Question 1

Who owns CSGP?

Accepted Answer

COSTAR GROUP INC (CSGP) is held by 276 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VANGUARD PORTFOLIO MANAGEMENT LLC as of Q1 2026.

Question 2

Are institutions buying or selling CSGP?

Accepted Answer

In Q1 2026, 156 institutions opened or increased positions in COSTAR GROUP INC while 143 reduced or exited — a net buying quarter.

Question 3

What is the Smart Money Verdict on CSGP?

Accepted Answer

HoldingsIntel scores COSTAR GROUP INC across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 4 of the 4 carrying data for CSGP. In Q1 2026, the institutional leg showed net inflows: 156 buying versus 143 selling.

Question 4

How many hedge funds hold CSGP?

Accepted Answer

276 institutional investors report holding COSTAR GROUP INC (CSGP) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into CSGP?

Accepted Answer

As of Q1 2026, tracked institutions in COSTAR GROUP INC show 156 buyers versus 143 sellers — net inflows.

Question 6

Are Congress members and hedge funds both buying CSGP?

Accepted Answer

Yes — in the latest quarter, 4 members of Congress and 156 institutional investors bought COSTAR GROUP INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	38.2M	$1.5B	0.1%	-39.31%	44
BlackRock, Inc.	Decreased	33.8M(-0.5%)	$1.4B	0.0%	-60.68%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	27.4M	$1.1B	0.0%	-39.31%	44
STATE STREET CORP	Increased	18.7M(+0.1%)	$752.4M	0.0%	-67.04%	32
PRINCIPAL FINANCIAL GROUP INC	Increased	17.7M(+0.7%)	$713.9M	0.4%	-64.02%	38
BAMCO INC /NY/	Decreased	16.3M(-16.3%)	$658.1M	2.0%	-63.44%	0
Capital International Investors	Increased	15.5M(+43.1%)	$625.8M	0.1%	-55.69%	51
BAILLIE GIFFORD & CO	Increased	13.6M(+5.2%)	$549.1M	0.6%	-62.23%	47
POLEN CAPITAL MANAGEMENT LLC	Increased	12.6M(+157.0%)	$507.1M	3.5%	-49.95%	93
GEODE CAPITAL MANAGEMENT, LLC	Increased	12.4M(+2.2%)	$500.4M	0.0%	-62.99%	32
AKRE CAPITAL MANAGEMENT LLC	Increased	10.3M(+7.6%)	$417.4M	6.8%	-63.16%	68
GOLDMAN SACHS GROUP INC	Increased	9.2M(+146.4%)	$373M	0.0%	-49.56%	50
Janus Henderson Group Ltd.	Increased	7.7M(+3.4%)	$311.6M	0.1%	-63.86%	38
Invesco Ltd.	Increased	7.1M(+32.5%)	$287.9M	0.0%	-59.11%	39
DED. E. Shaw & Co., Inc.	Increased	5.9M(+552.6%)	$238.4M	0.1%	-43.94%	59
MORGAN STANLEY	Increased	5.4M(+2.3%)	$218.3M	0.0%	-62.96%	31
Capital Research Global Investors	Decreased	4.4M(-21.4%)	$176.4M	0.0%	-63.82%	0
BANK OF AMERICA CORP /DE/	Increased	3.6M(+1.8%)	$143.9M	0.0%	-61.87%	31
NORTHERN TRUST CORP	Decreased	3.4M(-1.0%)	$138.5M	0.0%	-62.89%	0
Amundi	Decreased	3.3M(-20.3%)	$132.3M	0.0%	-61.85%	0

COSTAR GROUP INC

Smart Money Verdict

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COSTAR GROUP INC

Smart Money Verdict

Who's Trading

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Other Real Estate stocks held by institutions