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CSGP · Costar Group, Inc. · Shareholders & Ownership

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$29.85 -2.16 (-6.75%) Q3 2026 earnings call transcript
Market Cap
$12.97B
Shares
405.20M
Volume · Oct 27 6.9M Avg daily vol (3M) 6.58M

Every disclosed holder of CSGP in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns CSGP

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 413,270,511 101.99%
Insiders (Forms 3, 4, 5) 5,347,761 1.32%
13D/G-only blocks 0 0.00%
Remaining 13,420,684 -3.31%
Registered funds (N-PORT, not summed) 212,692,351 52.49%

Shares outstanding: 405,197,588, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of CSGP

# Holder Shares
1
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
37,914,844
2
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
33,813,969
2.1
iShares Core S&P 500 ETF
Fund S000004310 · Registered fund · Jun 30, 2026
iShares Trust, not summed
5,616,586
2.2
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,659,481
2.3
iShares U.S. Real Estate ETF
Fund S000004328 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,410,038
2.4
iShares MSCI USA Quality Factor ETF
Fund S000041444 · Registered fund · Jul 31, 2026
iShares Trust, not summed
1,249,698
2.5
iShares Future AI & Tech ETF
Fund S000062201 · Registered fund · Jun 30, 2026
iShares Trust, not summed
954,190
3
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
26,683,792
4
BAMCO INC /NY/
13F CIK 1017918 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
21,626,763
4.1
BAMCO INC /NY/
13G CIK 1017918 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
21,626,763
4.2
Baron Partners Fund
Fund S000000588 · Registered fund · Jun 30, 2026
BARON SELECT FUNDS, not summed
15,703,171
4.3
BARON ASSET FUND
Fund S000000582 · Registered fund · Jun 30, 2026
BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND), not summed
1,854,901
4.4
Baron Focused Growth Fund
Fund S000022521 · Registered fund · Jun 30, 2026
BARON SELECT FUNDS, not summed
1,255,784
5
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
18,410,876
5.1
State Street(R) Real Estate Select Sector SPDR(R) ETF
Fund S000051152 · Registered fund · Jun 30, 2026
SELECT SECTOR SPDR TRUST, not summed
3,421,839
5.2
State Street(R) SPDR(R) Portfolio S&P 500(R) ETF
Fund S000006983 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
973,946
5.3
State Street(R) SPDR(R) Portfolio S&P 500(R) Value ETF
Fund S000006985 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
496,780
5.4
State Street Equity 500 Index II Portfolio
Fund S000046029 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
148,000
5.5
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
82,473
6
Capital International Investors
13F CIK 1562230 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
16,643,016
7
VANGUARD REAL ESTATE INDEX FUND
Fund S000002924 · Registered fund · Jul 31, 2026
VANGUARD SPECIALIZED FUNDS, not summed
15,894,241
8
BAILLIE GIFFORD & CO
13F CIK 1088875 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
13,154,165
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
12,965,607
10
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
12,166,469
11
AKRE CAPITAL MANAGEMENT LLC
13F CIK 1112520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
11,699,396
12
VANGUARD 500 INDEX FUND
Fund S000002839 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
10,575,691
13
POLEN CAPITAL MANAGEMENT LLC
13F CIK 1034524 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
8,759,314
13.1
Polen Growth Fund
Fund S000029264 · Registered fund · Jul 31, 2026
FundVantage Trust, not summed
1,529,904
13.2
Polen Focus Growth ETF
Fund S000093102 · Registered fund · Jul 31, 2026
FundVantage Trust, not summed
70,946
13.3
Polen Global Growth Fund
Fund S000047882 · Registered fund · Jul 31, 2026
FundVantage Trust, not summed
46,590
14
Akre Focus ETF
Fund S000089351 · Registered fund · Jul 31, 2026
Professionally Managed Portfolios, not summed
8,491,693
15
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
8,445,474
15.1
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
807,351
15.2
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
191,627
15.3
AQR Multi-Asset Fund
Fund S000029959 · Registered fund · Jun 30, 2026
AQR Funds, not summed
30,461
15.4
AQR Large Cap Momentum Style Fund
Fund S000025643 · Registered fund · Mar 31, 2026
AQR Funds, not summed
20,700
15.5
AQR Large Cap Multi-Style Fund
Fund S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
20,700
16
Akre Focus Fund
Fund S000026760 · Registered fund · Jul 31, 2025
Professionally Managed Portfolios, not summed
8,337,746
17
Jupiter Topco LLC
13F CIK 2146052 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
7,832,860
17.1
Janus Henderson VIT Enterprise Portfolio
Fund S000010396 · Registered fund · Jun 30, 2026
Janus Aspen Series, not summed
467,597
18
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,808,377
18.1
Invesco S&P 500 Equal Weight ETF
Fund S000060812 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
5,443,191
18.2
Invesco Equally-Weighted S&P 500 Fund
Fund S000027817 · Registered fund · May 31, 2026
AIM Counselor Series Trust (Invesco Counselor Series Trust), not summed
296,525
18.3
Invesco S&P 500 Equal Weight Real Estate ETF
Fund S000060788 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
94,859
18.4
Invesco MSCI USA ETF
Fund S000058746 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
73,479
18.5
Invesco NASDAQ Internet ETF
Fund S000012109 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
61,102
19
EdgePoint Investment Group Inc.
13F CIK 1481669 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,950,002
20
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
5,949,912
21
VANGUARD U.S. GROWTH FUND
Fund S000004444 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
5,541,323
22
Janus Henderson Enterprise Fund
Fund S000010490 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
5,532,268
23
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,485,870
23.1
Global Strategist Portfolio
Fund S000004124 · Registered fund · Jun 30, 2026
MORGAN STANLEY INSTITUTIONAL FUND TRUST, not summed
1,368
23.2
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
735
23.3
E*TRADE No Fee Large Cap Index Fund
Fund S000090720 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
541
23.4
Global Strategist Portfolio
Fund S000004181 · Registered fund · Jun 30, 2026
MORGAN STANLEY VARIABLE INSURANCE FUND INC., not summed
181
23.5
Permanence Portfolio
Fund S000068163 · Registered fund · Jun 30, 2026
MORGAN STANLEY INSTITUTIONAL FUND INC, not summed
78
24
American Funds Fundamental Investors
Fund S000009227 · Registered fund · Jun 30, 2026
American Funds Fundamental Investors, not summed
5,469,000
25
Meritage Group LP
13F CIK 1427119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,394,164
26
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,129,484
26.1
Goldman Sachs S&P 500 Premium Income ETF
Fund S000081511 · Registered fund · Jun 30, 2026
Goldman Sachs ETF Trust, not summed
38,711
26.2
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund S000075322 · Registered fund · Aug 31, 2026
Goldman Sachs ETF Trust II, not summed
13,733
26.3
Goldman Sachs Strategic Factor Allocation Fund
Fund S000054057 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
5,984
26.4
Goldman Sachs JUST U.S. Large Cap Equity ETF
Fund S000061377 · Registered fund · Aug 31, 2026
Goldman Sachs ETF Trust, not summed
5,574
26.5
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
4,048
27
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
4,939,994
28
Growth Fund of America
Fund S000009228 · Registered fund · May 31, 2026
Growth Fund of America, not summed
4,823,033
29
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
4,683,646
30
FEDERATED HERMES, INC.
13F CIK 1056288 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,426,727
31
VANGUARD MID-CAP INDEX FUND
Fund S000002844 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
4,424,985
32
VANGUARD GROWTH INDEX FUND
Fund S000002842 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
4,310,388
33
Capital Research Global Investors
13F CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,193,733
34
AMCAP Fund
Fund S000008817 · Registered fund · May 31, 2026
AMCAP Fund, not summed
3,901,295
35
PRINCIPAL FINANCIAL GROUP INC
13F CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
3,790,794
35.1
MidCap Account
Fund S000007662 · Registered fund · Jun 30, 2026
Principal Variable Contract Funds, Inc, not summed
208,625
35.2
Diversified Real Asset Fund
Fund S000028139 · Registered fund · Aug 31, 2026
Principal Funds, Inc, not summed
110,908
35.3
LargeCap S&P 500 Index Fund
Fund S000007016 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
84,164
35.4
LargeCap Value Fund III
Fund S000007122 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
75,697
35.5
LargeCap S&P 500 Index Account
Fund S000007660 · Registered fund · Jun 30, 2026
Principal Variable Contract Funds, Inc, not summed
15,394
36
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,448,839
36.1
Stock Index Fund
Fund S000001247 · Registered fund · Jun 30, 2026
Northern Funds, not summed
101,422
36.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
5,846
36.3
FlexShares STOXX US ESG Select Index Fund
Fund S000054498 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
1,500
37
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,218,369
38
BNP PARIBAS ASSET MANAGEMENT Holding S.A.
13F CIK 1520354 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
3,136,727
39
Amundi
13F CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
3,135,933
40
VAN ECK ASSOCIATES CORP
13F CIK 869178 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,078,903
40.1
VanEck Morningstar Wide Moat ETF
Fund S000036713 · Registered fund · Jun 30, 2026
VanEck ETF Trust, not summed
2,903,108
40.2
VanEck Morningstar Wide Moat Fund
Fund S000059554 · Registered fund · Jun 30, 2026
VanEck Funds, not summed
9,002
41
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,983,969
41.1
MFS Mid Cap Value Fund
Fund S000002499 · Registered fund · Jun 30, 2026
MFS SERIES TRUST XI, not summed
1,832,669
41.2
MFS Core Equity Fund
Fund S000000763 · Registered fund · Aug 31, 2026
MFS SERIES TRUST I, not summed
569,070
41.3
MFS Mid Cap Value Portfolio
Fund S000018843 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
69,413
41.4
MFS Core Equity Portfolio
Fund S000002656 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST II, not summed
17,684
41.5
MFS Active Mid Cap ETF
Fund S000094824 · Registered fund · Aug 31, 2026
MFS Active Exchange Traded Funds Trust, not summed
8,454
42
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,962,442
42.1
Schwab S&P 500 Index Fund
Fund S000005911 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
925,428
42.2
Schwab U.S. Large-Cap ETF
Fund S000026632 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
434,176
42.3
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
395,460
42.4
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
255,687
42.5
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
254,506
43
Growth Fund
Fund S000008791 · Registered fund · Jun 30, 2026
AMERICAN FUNDS INSURANCE SERIES, not summed
2,858,168
44
VANGUARD REAL ESTATE II INDEX FUND
Fund S000059086 · Registered fund · Jul 31, 2026
VANGUARD FIXED INCOME SECURITIES FUNDS, not summed
2,802,697
45
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,735,102
46
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,704,177
47
Spyglass Capital Management LLC
13F CIK 1654344 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,694,697
47.1
Spyglass Growth Fund
Fund S000060175 · Registered fund · Jun 30, 2026
Manager Directed Portfolios, not summed
1,450,018
48
Federated Hermes MDT Mid Cap Growth Fund
Fund S000009733 · Registered fund · Jul 31, 2026
Federated Hermes Equity Funds, not summed
2,647,001
49
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,521,571
50
CANADA PENSION PLAN INVESTMENT BOARD
13F CIK 1283718 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
2,481,641

77 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 1,057 holders

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Key facts CIK 1057352 CUSIP 22160N109 13F (30d) 171 filings 154 filers Visit website Investor relations