Stock Ownership/CSGP

CoStar Group (CSGP): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in CSGP · Real Estate. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
34
13F filers
Aggregate Value
$1.6B
Across holders
Last Price
$32.84
2026-08-24
Sector
Real Estate
GICS
Quarterly fund activity27 increased7 reduced4 exited
Full exits: TIGER GLOBAL MANAGEMENT LLC, TCW GROUP INC, Select Equity Group, L.P., Corvex Management LP
Institutional Holders of CSGP
↗
34 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager13.15M$372.5M23.2%0.3%Reduced+$319.4MQ2 2026
AKRE CAPITAL MANAGEMENT LLC
CIK 0001112520
Institutional Manager11.70M$331.3M20.6%6.5%Added+$38.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund8.45M$239.2M14.9%0.1%Added+$237.8MQ2 2026
EdgePoint Investment Group Inc.
CIK 0001481669
Hedge Fund5.95M$168.5M10.5%1.3%Added—Q2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund3.22M$91.1M5.7%0.1%Added—Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund1.54M$43.7M2.7%0.2%Added+$6.0MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.44M$40.8M2.5%0.0%Added+$35.4MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.38M$39.1M2.4%0.0%Added+$37.9MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.30M$36.8M2.3%0.0%Added+$35.6MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.10M$31.3M1.9%0.0%Added+$29.7MQ2 2026
BAILLIE GIFFORD & COReduced
Institutional Manager
$372.5M· 23.2% of total· 0.3% port· 13.15M sh· +$319.4M QoQ· Q2 2026
AKRE CAPITAL MANAGEMENT LLCAdded
Institutional Manager
$331.3M· 20.6% of total· 6.5% port· 11.70M sh· +$38.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$239.2M· 14.9% of total· 0.1% port· 8.45M sh· +$237.8M QoQ· Q2 2026
EdgePoint Investment Group Inc.Added
Hedge Fund
$168.5M· 10.5% of total· 1.3% port· 5.95M sh· — QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$91.1M· 5.7% of total· 0.1% port· 3.22M sh· — QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$43.7M· 2.7% of total· 0.2% port· 1.54M sh· +$6.0M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$40.8M· 2.5% of total· 0.0% port· 1.44M sh· +$35.4M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$39.1M· 2.4% of total· 0.0% port· 1.38M sh· +$37.9M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$36.8M· 2.3% of total· 0.0% port· 1.30M sh· +$35.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$31.3M· 1.9% of total· 0.0% port· 1.10M sh· +$29.7M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$29.5M· 1.8% of total· 0.0% port· 1.04M sh· $-305.2M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$26.1M· 1.6% of total· 0.0% port· 921K sh· +$26.1M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Added
Institutional Manager
$23.3M· 1.4% of total· 0.0% port· 822K sh· +$510K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$21.2M· 1.3% of total· 0.0% port· 747K sh· +$19.8M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$21.0M· 1.3% of total· 0.0% port· 742K sh· +$20.9M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$18.0M· 1.1% of total· 0.0% port· 636K sh· +$5.4M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$17.8M· 1.1% of total· 0.0% port· 627K sh· +$14.0M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$13.0M· 0.8% of total· 0.1% port· 459K sh· — QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$10.3M· 0.6% of total· 0.0% port· 364K sh· $-402K QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$6.1M· 0.4% of total· 0.0% port· 216K sh· +$3.5M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$4.4M· 0.3% of total· 0.0% port· 155K sh· $-6.3M QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$4.0M· 0.3% of total· 0.1% port· 143K sh· +$1.7M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$3.8M· 0.2% of total· 0.0% port· 133K sh· +$1.5M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$3.7M· 0.2% of total· 0.0% port· 131K sh· +$3.0M QoQ· Q2 2026
Lighthouse Investment Partners, LLCReduced
Hedge Fund
$3.5M· 0.2% of total· 0.1% port· 122K sh· $-2.7M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$2.5M· 0.2% of total· 0.0% port· 90K sh· +$192K QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$696K· 0.0% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$674K· 0.0% of total· 0.0% port· 24K sh· +$438K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$529K· 0.0% of total· 0.0% port· 19K sh· — QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$400K· 0.0% of total· 0.0% port· 14K sh· $-155K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$346K· 0.0% of total· 0.0% port· 12K sh· +$77K QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$265K· 0.0% of total· 0.0% port· 9K sh· $-94K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$236K· 0.0% of total· 0.0% port· 8K sh· $-258K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$19K· 0.0% of total· 0.0% port· 656 sh· — QoQ· Q2 2026
1–10 of 34
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