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CoStar Group, Inc. 2025-2026 Proxy Voting Records

Compiled from SEC Form N-PX filings and CoStar Group, Inc.’s Form 8-K, filed 2026-06-25 (Item 5.07 on EDGAR). Page generated 02 October 2026.

  • 16Reported items
  • 737Asset managers
  • 8,603Fund votes
  • 2026-06-23Meeting date

Proxy season: 2023-2024 2024-2025 2025-2026

Explore CoStar Group, Inc. in the interactive database Compare manager voting policies

Official 2025-2026 meeting results reported by CoStar Group, Inc.

These tallies are CoStar Group, Inc.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed 2026-06-25 (Item 5.07, “Submission of Matters to a Vote of Security Holders”). They cover every share voted at the meeting, not just the funds that file Form N-PX.

CoStar Group, Inc. — official shareholder meeting results, meeting held 2026-06-23
Ballot itemForAgainst AbstainWithheldBroker non-votesOutcome
Elect Director: Louise S. Sams 339,006,36621,916,539137,272 --9,772,170 Majority: yes
Elect Director: Andrew C. Florance 359,034,8771,924,104101,196 --9,772,170 Majority: yes
Elect Director: John L. Berisford 354,126,1376,332,305601,735 --9,772,170 Majority: yes
Elect Director: Angelique G. Brunner 354,456,9986,495,209107,970 --9,772,170 Majority: yes
Elect Director: Rachel C. Glaser 357,314,1322,366,0721,379,973 --9,772,170 Majority: yes
Elect Director: John W. Hill 353,842,9976,744,956472,224 --9,772,170 Majority: yes
Elect Director: Christine M. McCarthy 357,893,0331,785,1741,381,970 --9,772,170 Majority: yes
Elect Director: Robert W. Musslewhite 342,052,45718,894,048113,672 --9,772,170 Majority: yes
Proposal 2: The appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified upon the following vote: 351,556,36518,902,666373,316 ---- Majority: yes
Proposal 3: The advisory resolution to approve the Company's executive compensation was approved upon the following vote: 257,665,608103,277,424117,145 --9,772,170 Majority: yes
Proposal 4: The 2026 ESPP was approved upon the following vote: 359,953,752779,358327,067 --9,772,170 Majority: yes

Source: CoStar Group, Inc., Form 8-K, filed with the SEC on 2026-06-25 — read the filing on EDGAR.

How asset managers voted at the CoStar Group, Inc. 2025-2026 meeting

Each item below shows how the 737 asset managers that disclosed a CoStar Group, Inc. vote in their SEC Form N-PX filings actually voted. Share totals are the shares those managers' funds voted, summed across every fund they report. These are reported items, not a count of the ballot: fund filings describe one ballot item in different words. Two descriptions are shown as one item only on evidence — the same text (or one cut short of the other), the same director nominee, or a match to the same row of CoStar Group, Inc.’s own Form 8-K tally — never because they merely read alike. A description that could not be joined that way is listed on its own, so one ballot item can appear more than once.

1. Proposal to approve, on an advisory basis, the Company's executive compensation.

SECTION 14A SAY-ON-PAY VOTESMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 10 wordings of this item as funds reported it.

71% Majority: yes · of votes cast

FOR 71%AGAINST 29%
FOR: 257,665,608AGAINST: 103,277,424

CoStar Group, Inc.’s own tally for this item (“Proposal 3: The advisory resolution to approve the Company's executive compensation was approved upon the following vote:”): 257,665,608 for, 103,277,424 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 63% for, 25% against (88% of the company cast a for/against vote).

The 702 asset managers below cast 70% of the shares they voted on this item FOR. Fund share totals are not shown for this item: fund-reported shares overlap across filings (an adviser and the funds it manages can each report the same shares), and here their sum exceeds the company's reported shares outstanding.

FOR 70%AGAINST 30%
FOR: 69.9%AGAINST: 30.0%ABSTAIN: 0.0%SPLIT: 0.1%NOT VOTED: 0.0%
Largest asset managers voting on “Proposal to approve, on an advisory basis, the Company's executive compensation.” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard76,610,092160,219 10For
Capital Group333,15931,002,878 00Against
Invesco30,46730,755,539 00Against
BlackRock28,258,376656,172 00For
Fidelity11,362,2415,164,095 00For
BAMCO INC /NY/15,890,5220 00For
Janus Henderson14,981,8740 00For
PRINCIPAL GLOBAL INVESTORS13,755,7080 00For
GEODE CAPITAL MANAGEMENT, LLC12,455,5960 00For
State Street189,63311,320,862 00Against
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
POLEN CAPITAL MANAGEMENT LLC9,851,9678,198 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
BAILLIE GIFFORD OVERSEAS LTD6,764,5680 00For
Charles Schwab7,5075,630,061 00Against
JANUS INVESTMENT FUND5,532,2680 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
Capital Research Global Investors04,137,443 00Against
AMCAP FUND03,901,295 00Against
Amundi03,339,714 00Against
BAILLIE GIFFORD & CO LTD3,311,6690 00For
BNP Paribas Asset Management Holding S.A.03,203,779 00Against
VAN ECK ASSOCIATES CORP03,170,329 00Against
VanEck ETF Trust03,161,005 00Against

Showing the 25 largest of 702 asset managers. See all 702 in the interactive database.

2. Proposal for the election of directors: Andrew C. Florance

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 6 wordings of this item as funds reported it.

99.4% Majority: yes · of votes cast

FOR 99.4%
FOR: 359,034,877AGAINST: 1,924,104

CoStar Group, Inc.’s own tally for this item (“Elect Director: Andrew C. Florance”): 359,034,877 for, 1,924,104 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 88% for, 0.5% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 99.9% of the shares they voted on this item FOR (206,998,592 for, 72,620 against).

FOR 99.9%
FOR: 206,998,592 (100.0%)AGAINST: 72,620 (0.0%)ABSTAIN: 13,767 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: Andrew C. Florance” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,67123 00For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,410,60672,518 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

3. Proposal for the election of directors: Angelique G. Brunner

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 6 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 354,456,998AGAINST: 6,495,209

CoStar Group, Inc.’s own tally for this item (“Elect Director: Angelique G. Brunner”): 354,456,998 for, 6,495,209 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 87% for, 2% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 98% of the shares they voted on this item FOR (203,188,234 for, 3,882,978 against).

FOR 98%
FOR: 203,188,234 (98.1%)AGAINST: 3,882,978 (1.9%)ABSTAIN: 13,768 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: Angelique G. Brunner” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,62767 10For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity11,223,7782,572,565 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes01,297,915 00Against
TIAA1,147,0770 00For
Equitable850,9979,960 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

4. Proposal for the election of directors: Christine M. McCarthy

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 7 wordings of this item as funds reported it.

99.5% Majority: yes · of votes cast

FOR 99.5%
FOR: 357,893,033AGAINST: 1,785,174

CoStar Group, Inc.’s own tally for this item (“Elect Director: Christine M. McCarthy”): 357,893,033 for, 1,785,174 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 88% for, 0.5% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 99.9% of the shares they voted on this item FOR (206,952,020 for, 119,174 against).

FOR 99.9%
FOR: 206,952,020 (99.9%)AGAINST: 119,174 (0.1%)ABSTAIN: 13,767 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: Christine M. McCarthy” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,65818 00For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

5. Proposal for the election of directors: John L. Berisford

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 7 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 354,126,137AGAINST: 6,332,305

CoStar Group, Inc.’s own tally for this item (“Elect Director: John L. Berisford”): 354,126,137 for, 6,332,305 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 87% for, 2% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 98% of the shares they voted on this item FOR (203,188,231 for, 3,882,974 against).

FOR 98%
FOR: 203,188,231 (98.1%)AGAINST: 3,882,974 (1.9%)ABSTAIN: 13,774 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: John L. Berisford” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,62463 70For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity11,223,7782,572,565 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes01,297,915 00Against
TIAA1,147,0770 00For
Equitable850,9979,960 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

6. Proposal for the election of directors: John W. Hill

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 6 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 353,842,997AGAINST: 6,744,956

CoStar Group, Inc.’s own tally for this item (“Elect Director: John W. Hill”): 353,842,997 for, 6,744,956 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 87% for, 2% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 99.9% of the shares they voted on this item FOR (207,053,233 for, 17,974 against).

FOR 99.9%
FOR: 207,053,233 (100.0%)AGAINST: 17,974 (0.0%)ABSTAIN: 13,772 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: John W. Hill” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,60485 50For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,01152 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

7. Proposal for the election of directors: Louise S. Sams

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 6 wordings of this item as funds reported it.

94% Majority: yes · of votes cast

FOR 94%
FOR: 339,006,366AGAINST: 21,916,539

CoStar Group, Inc.’s own tally for this item (“Elect Director: Louise S. Sams”): 339,006,366 for, 21,916,539 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 83% for, 5% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 92% of the shares they voted on this item FOR (191,536,876 for, 15,534,333 against).

FOR 92%8%
FOR: 191,536,876 (92.5%)AGAINST: 15,534,333 (7.5%)ABSTAIN: 13,768 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: Louise S. Sams” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,61180 10For
Capital Group015,324,489 00Against
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

8. Proposal for the election of directors: Rachel C. Glaser

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 6 wordings of this item as funds reported it.

99.3% Majority: yes · of votes cast

FOR 99.3%
FOR: 357,314,132AGAINST: 2,366,072

CoStar Group, Inc.’s own tally for this item (“Elect Director: Rachel C. Glaser”): 357,314,132 for, 2,366,072 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 88% for, 0.6% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 99.9% of the shares they voted on this item FOR (206,952,015 for, 119,179 against).

FOR 99.9%
FOR: 206,952,015 (99.9%)AGAINST: 119,179 (0.1%)ABSTAIN: 13,785 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: Rachel C. Glaser” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,65323 180For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

9. Proposal for the election of directors: Robert W. Musslewhite

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 6 wordings of this item as funds reported it.

95% Majority: yes · of votes cast

FOR 95%
FOR: 342,052,457AGAINST: 18,894,048

CoStar Group, Inc.’s own tally for this item (“Elect Director: Robert W. Musslewhite”): 342,052,457 for, 18,894,048 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 84% for, 5% against (88% of the company cast a for/against vote).

The 155 asset managers below cast 97% of the shares they voted on this item FOR (200,406,840 for, 6,664,372 against).

FOR 97%
FOR: 200,406,840 (96.8%)AGAINST: 6,664,372 (3.2%)ABSTAIN: 13,768 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal for the election of directors: Robert W. Musslewhite” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,469225 10For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity11,223,7782,572,565 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab4,9132,781,236 00Against
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes01,297,915 00Against
TIAA1,147,0770 00For
Equitable850,9979,960 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

10. Proposal to approve the CoStar Group, Inc. 2026 Employee Stock Purchase Plan.

COMPENSATION

Meeting held 2026-06-23.

Combines 3 wordings of this item as funds reported it.

99.8% fund support · no official result

FOR 99.8%

The 155 asset managers below cast 99.8% of the shares they voted on this item FOR (206,552,134 for, 402,609 against).

FOR: 206,552,134 (99.8%)AGAINST: 402,609 (0.2%)ABSTAIN: 3 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal to approve the CoStar Group, Inc. 2026 Employee Stock Purchase Plan.” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,508,68210 30For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,483,1240 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,0630 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 155 asset managers. See all 155 in the interactive database.

11. Proposal to ratify the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for 2026.

AUDIT-RELATEDMajority of the votes cast: yes

Meeting held 2026-06-23.

Combines 3 wordings of this item as funds reported it.

95% Majority: yes · of votes cast

FOR 95%
FOR: 351,556,365AGAINST: 18,902,666

CoStar Group, Inc.’s own tally for this item (“Proposal 2: The appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified upon the following vote:”): 351,556,365 for, 18,902,666 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 86% for, 5% against (91% of the company cast a for/against vote).

The 154 asset managers below cast 99.9% of the shares they voted on this item FOR (206,902,962 for, 103,602 against).

FOR 99.9%
FOR: 206,902,962 (99.9%)AGAINST: 103,602 (0.1%)ABSTAIN: 13,770 (0.0%)NOT VOTED: 544 (0.0%)
Largest asset managers voting on “Proposal to ratify the appointment of Ernst & Young LLP as the Company's independent registered public account” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard72,451,23457,458 30For
Capital Group15,324,4890 00For
Invesco14,954,5520 00For
BlackRock14,480,2992,825 00For
Fidelity13,796,3430 00For
BARON SELECT FUNDS10,613,3530 00For
Principal10,189,3270 00For
PROFESSIONALLY MANAGED PORTFOLIOS6,835,8210 00For
JANUS INVESTMENT FUND5,532,2680 00For
State Street5,256,01152 00For
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)4,462,5110 00For
AMCAP FUND3,901,2950 00For
VanEck ETF Trust3,161,0050 00For
Charles Schwab2,786,1490 00For
FundVantage Trust2,057,0140 00For
Waddell & Reed1,651,8870 00For
MFS1,316,9810 00For
Federated Hermes1,297,9150 00For
TIAA1,147,0770 00For
Equitable860,9570 00For
Transamerica836,0700 00For
First Trust824,4890 00For
Lincoln Financial739,2650 00For
Jackson National670,0840 00For
Manager Directed Portfolios652,7020 00For

Showing the 25 largest of 154 asset managers. See all 154 in the interactive database.

12. Advisory Vote to Ratify Named Executive Officers' Compensation

SECTION 14A SAY-ON-PAY VOTESMajority of the votes cast: yes

Meeting held 2026-06-23.

71% Majority: yes · of votes cast

FOR 71%AGAINST 29%
FOR: 257,665,608AGAINST: 103,277,424

CoStar Group, Inc.’s own tally for this item (“Proposal 3: The advisory resolution to approve the Company's executive compensation was approved upon the following vote:”): 257,665,608 for, 103,277,424 against, per its Form 8-K filed 2026-06-25 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 63% for, 25% against (88% of the company cast a for/against vote).

The 19 asset managers below cast 32% of the shares they voted on this item FOR (509,621 for, 1,087,608 against).

FOR 32%AGAINST 68%
FOR: 509,621 (31.9%)AGAINST: 1,087,608 (68.1%)
Largest asset managers voting on “Advisory Vote to Ratify Named Executive Officers' Compensation” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
APG Asset Management US Inc.0849,636 00Against
Ninety One UK Ltd321,5870 00For
LOUISBOURG INVESTMENTS INC.0153,607 00Against
NORDEA INVESTMENT MANAGEMENT AB87,2790 00For
Empower70,6600 00For
Cardano Risk Management B.V.064,646 00Against
MIROVA019,554 00Against
Metzler Asset Management GmbH9,8310 00For
Wilshire Advisors LLC7,9850 00For
Osmosis Investment Management UK Ltd7,7950 00For
OARSMAN CAPITAL, INC.3,1010 00For
Triton Financial Group Inc5800 00For
Plato Investment Management Ltd5400 00For
Empirical Financial Services, LLC d.b.a. Empirical Wealth Ma0165 00Against
Granahan Investment Management, LLC1080 00For
TD Waterhouse Canada Inc.950 00For
Purpose Unlimited Inc.300 00For
Coyle Financial Counsel LLC220 00For
Convergence Investment Partners, LLC80 00For

13. Proposal to approve, on an advisory basis, the Company's executive compensation.

SECTION 14A SAY-ON-PAY VOTESMajority of the votes cast: yes

Meeting held 2025-06-26 (outside the 2025-2026 season's 1 July to 30 June window; reported in this season's filings).

Combines 3 wordings of this item as funds reported it.

53.8% Majority: yes · of votes cast

FOR 53.8%AGAINST 46.2%
FOR: 202,754,871AGAINST: 174,302,322

CoStar Group, Inc.’s own tally for this item (“Proposal 3: The advisory resolution to approve the Company's executive compensation was approved upon the following vote:”): 202,754,871 for, 174,302,322 against, per its Form 8-K filed 2025-06-27 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 408,355,715 outstanding shares: 49.7% for, 43% against (92% of the company cast a for/against vote).

The 5 asset managers below cast 2% of the shares they voted on this item FOR (306 for, 19,994 against).

AGAINST 98%
FOR: 306 (1.5%)AGAINST: 19,994 (98.5%)
Largest asset managers voting on “Proposal to approve, on an advisory basis, the Company's executive compensation.” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Investment Management Corp of Ontario013,794 00Against
OSSIAM06,100 00Against
OSBORNE PARTNERS CAPITAL MANAGEMENT, LLC2500 00For
FIRST UNITED BANK & TRUST0100 00Against
Hodges Capital Management Inc.560 00For

14. Proposal to approve, on an advisory basis, the Company's executive compensation.

SECTION 14A SAY-ON-PAY VOTES

Reported under meeting date 2026-04-27; no official results on file for that date.

0% fund support · no official result

AGAINST 100%

The 2 asset managers below cast 0% of the shares they voted on this item FOR (0 for, 25,715 against).

AGAINST: 25,715 (100.0%)
Largest asset managers voting on “Proposal to approve, on an advisory basis, the Company's executive compensation.” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
SCHRODER INVESTMENT MANAGEMENT GROUP024,915 00Against
Spinnaker ETF Series0800 00Against

15. Proposal to approve, on an advisory basis, the Company's executive compensation.

SECTION 14A SAY-ON-PAY VOTES

Reported under meeting date 2026-06-18; no official results on file for that date.

Combines 2 wordings of this item as funds reported it.

100% fund support · no official result

FOR 100%

The 2 asset managers below cast 100% of the shares they voted on this item FOR (1,447 for, 0 against).

FOR: 1,447 (100.0%)
Largest asset managers voting on “Proposal to approve, on an advisory basis, the Company's executive compensation.” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Quarry LP1,1910 00For
Alpha Omega Wealth Management LLC2560 00For

16. Approve Qualified Employee Stock Purchase Plan

COMPENSATION

Meeting held 2026-06-23.

100% fund support · no official result

FOR 100%

The 2 asset managers below cast 100% of the shares they voted on this item FOR (73,761 for, 0 against).

FOR: 73,761 (100.0%)
Largest asset managers voting on “Approve Qualified Employee Stock Purchase Plan” at CoStar Group, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Empower70,6600 00For
OARSMAN CAPITAL, INC.3,1010 00For

Largest CoStar Group, Inc. shareholders voting in 2025-2026

Ranked by the number of CoStar Group, Inc. shares each manager voted on the most widely held ballot item of the 2025-2026 meeting, shown as a share of the 408,355,715 shares outstanding at the time of that meeting.

Top CoStar Group, Inc. shareholders by shares voted, 2025-2026
#Asset manager % of shares outstanding
1Vanguard 18.80%
2Capital Group 7.67%
3Invesco 7.54%
4BlackRock 7.08%
5Fidelity 4.05%
6BAMCO INC /NY/ 3.89%
7Janus Henderson 3.67%
8PRINCIPAL GLOBAL INVESTORS 3.37%
9GEODE CAPITAL MANAGEMENT, LLC 3.05%
10State Street 2.91%

Reported CoStar Group, Inc. ownership

Positions disclosed to the SEC on Schedules 13D and 13G, Form 13F and the company’s own proxy statement (DEF 14A).

CoStar Group, Inc. beneficial owners on record for the 2025-2026 proxy season
Holder % outstanding Disclosure
Vanguard Group 17.17% 13F
Vanguard Portfolio Management 9.38% 13G
BlackRock 8.28% 13F
State Street 4.57% 13F
Geode Capital 3.05% 13F
Goldman Sachs 2.27% 13F
Invesco 1.75% 13F
D.E. Shaw 1.45% 13F
Morgan Stanley 1.30% 13F
Northern Trust 0.84% 13F

Percentages above are of 408,355,715 shares outstanding, as reported by CoStar Group, Inc. on its Form 10-Q dated 2026-04-27 (see the filing on EDGAR). This is the count contemporaneous with the 2025-2026 meeting, so the percentages are the ones that were true then, not ones restated against today’s share count.

About this page

Every figure above is derived from filings made with the US Securities and Exchange Commission: Form N-PX, in which registered investment companies and institutional managers disclose how they voted every proxy, and Form 8-K Item 5.07, in which the company reports its own meeting results. Shares outstanding are taken from CoStar Group, Inc.’s 10-Q dated 2026-04-27. This page is a static snapshot rebuilt weekly on 02 October 2026; a live search always shows the current data.

At CoStar Group, Inc.'s shareholder meeting held 2026-06-23, in the 2025-2026 proxy season, 737 asset managers reported how they voted in their SEC Form N-PX filings, covering 8,603 separate fund positions. Their filings are grouped here into 16 reported items; because filers word the same ballot item differently, that can be more than the number of items on the ballot. On the most widely held item on that ballot — Proposal to approve, on an advisory basis, the Company's executive compensation. — FOR was 71% of the votes cast (FOR divided by FOR plus AGAINST, the conventional basis for proxy support; abstentions, broker non-votes and unvoted shares are excluded because none of them took a side), which is more than half. Whether the item was approved is for the filing to say; that statement has not been read for this item. Source: CoStar Group, Inc.'s Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on 2026-06-25.

CoStar Group, Inc. proxy season coverage: 2023-2024 · 2024-2025 · 2025-2026 (this page).