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CoStar Group
CSGP

Overview Fund Activity

845 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 372 increasing their positions, 258 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
845
Holders Change
+52
Holders Change %
+6.56%
% of All Funds
11.48%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.31%
New
140
Increased
372
Reduced
258
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M

Top Buyers

1
MMA
Mizuho Markets Americas
New York
+$586M
2
Morgan Stanley
Morgan Stanley
New York
+$283M
3
TCIM
TOMS Capital Investment Management
New York
+$278M
4
UBS Group
UBS Group
Switzerland
+$256M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$215M

Top Sellers

1
Macquarie Group
Macquarie Group
Australia
-$91.1M
2
Viking Global Investors
Viking Global Investors
Connecticut
-$83.2M
3
Goldman Sachs
Goldman Sachs
New York
-$57.8M
4
SCM
Spyglass Capital Management
California
-$57.5M
5
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
-$52.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
Balyasny Asset Management
601
Balyasny Asset Management
Illinois
$302K – – –
FHA
602
First Horizon Advisors
Tennessee
$297K +$14.2K +179 +5%
FT
603
Fiduciary Trust
Massachusetts
$294K -$21.9K -276 -7%
DT
604
Diversified Trust
Tennessee
$293K -$6.89K -87 -2%
LCM
605
Landscape Capital Management
New Jersey
$293K +$293K +3,700 New
KP
606
Keel Point
Alabama
$285K +$51.3K +647 +22%
PCA
607
Pallas Capital Advisors
Massachusetts
$283K -$230K -2,909 -45%
WMA
608
Wealth Management Associates
New Jersey
$281K +$24.4K +308 +10%
SPS
609
Susquehanna Portfolio Strategies
Pennsylvania
$280K +$280K +3,530 New
SC
610
Shay Capital
New York
$277K +$277K +3,500 New
VA
611
VestGen Advisors
Illinois
$271K +$271K +3,421 New
GSWM
612
Golden State Wealth Management
California
$268K +$15.8K +200 +6%
IWM
613
IHT Wealth Management
Illinois
$266K +$8.72K +110 +3%
HP
614
HT Partners
Connecticut
$265K – – –
GAM
615
Generali Asset Management
Italy
$263K +$475 +6 +0.2%
RI
616
Ridgewood Investments
New Jersey
$262K -$9.51K -120 -4%
AIP
617
Arrowpoint Investment Partners
Singapore
$261K +$261K +3,300 New
FRA
618
Frank Rimerman Advisors
California
$260K +$260K +3,277 New
Group One Trading
619
Group One Trading
Illinois
$259K -$287K -3,622 -53%
DFCM
620
Dark Forest Capital Management
Puerto Rico
$257K +$257K +3,246 New
SAM
621
Strive Asset Management
Ohio
$257K -$36.8K -465 -13%
CFG
622
Cooper Financial Group
California
$257K +$257K +3,239 New
C
623
Certuity
Florida
$256K +$256K +3,228 New
ASN
624
Advisory Services Network
Georgia
$255K +$255K +3,224 New
PW
625
PUREfi Wealth
Massachusetts
$255K +$255K +3,221 New
23 24
25
26 27