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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 %
VIS
676
Vega Investment Solutions
France
$106K +$106K +1,337 New
RIL
677
Rothschild Investment LLC
Illinois
$105K +$10.2K +129 +11%
HIIFS
678
Harel Insurance Investments & Financial Services
Israel
$104K +$68.5K +868 +193%
AssetMark Inc
679
AssetMark Inc
California
$104K -$156K -1,969 -60%
HWM
680
HighMark Wealth Management
Minnesota
$103K -$1.03K -13 -1%
TPCW
681
TD Private Client Wealth
New York
$103K -$10.6K -134 -9%
Loomis, Sayles & Company
682
Loomis, Sayles & Company
Massachusetts
$102K +$16.2K +205 +19%
AWM
683
Abound Wealth Management
Tennessee
$99.3K -$2.22K -28 -2%
FFA
684
Farther Finance Advisors
California
$95.8K +$28.5K +360 +42%
VCM
685
Versant Capital Management
Arizona
$94.6K +$76.3K +963 +417%
SIM
686
Sentry Investment Management
Wisconsin
$89K -$26.6K -351 -23%
EWA
687
EverSource Wealth Advisors
Alabama
$85.3K -$130K -1,641 -60%
TCM
688
TruNorth Capital Management
Michigan
$79.5K +$79.5K +1,003 New
FWM
689
Focused Wealth Management
New York
$79.2K +$79.2K +1,000 New
CTC
690
Central Trust Company
Missouri
$77.8K – – –
Belvedere Trading
691
Belvedere Trading
Illinois
$77.5K +$77.5K +978 New
CH
692
Cromwell Holdings
Wyoming
$76.8K +$76.8K +969 New
CFO
693
CVA Family Office
Colorado
$66.8K +$14.7K +186 +28%
WA
694
WPG Advisers
Maryland
$61.2K -$13.5K -171 -18%
PC
695
Promus Capital
Illinois
$60.1K – – –
CPBTD
696
Central Pacific Bank - Trust Division
Hawaii
$54.5K – – –
SWM
697
Spire Wealth Management
Virginia
$54.1K -$34.1K -431 -39%
TLCM
698
Twin Lakes Capital Management
California
$53.8K +$53.8K +679 New
SS
699
SBI Securities
Japan
$51.7K +$17.9K +226 +53%
HIA
700
HFM Investment Advisors
New Jersey
$50.8K +$50.8K +641 New
26 27
28
29 30