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CoStar Group

861 hedge funds and large institutions have $34.1B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 99 funds opening new positions, 347 increasing their positions, 315 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
861
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$180M
Puts
$97.5M
Net Calls
Net Calls Change

Top Buyers

1 +$320M
2 +$259M
3 +$114M
4
TP
Third Point
New York
+$89.2M
5
IAM
Ion Asset Management
Israel
+$82.7M
Name Holding Trade Value Shares
Change
Change in
Stake
GAM
576
Gotham Asset Management
New York
$375K
TA
577
Tectonic Advisors
Texas
$375K
NP
578
NorthRock Partners
Minnesota
$370K
CCG
579
Chatham Capital Group
Georgia
$366K
QIM
580
Quantitative Investment Management
Virginia
$366K
DAS
581
Diversify Advisory Services
Utah
$366K
PCP
582
Proficio Capital Partners
Massachusetts
$364K
PIM
583
Plato Investment Management
Australia
$358K
BMWM
584
Brown Miller Wealth Management
Virginia
$357K
PFBT
585
Parkside Financial Bank & Trust
Missouri
$356K
PCA
586
Pallas Capital Advisors
Massachusetts
$356K
TSW
587
Three Seasons Wealth
Utah
$354K
MSFS
588
Main Street Financial Solutions
Pennsylvania
$352K
PM
589
Pembroke Management
Quebec, Canada
$350K
FNBT
590
FineMark National Bank & Trust
Florida
$350K
AWM
591
Apollon Wealth Management
South Carolina
$348K
OTL
592
Oak Thistle LLC
New York
$347K
NS
593
NBC Securities
Alabama
$343K
FLPIM
594
F.L. Putnam Investment Management
Massachusetts
$341K
AA
595
Apriem Advisors
California
$338K
CWM
596
CCG Wealth Management
California
$335K
CI
597
Cigna Investments
Connecticut
$332K
HSA
598
HBK Sorce Advisory
Pennsylvania
$331K
SSWM
599
Strait & Sound Wealth Management
California
$331K
LNWWM
600
Laird Norton Wetherby Wealth Management
California
$326K