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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 %
WP
326
Woodline Partners
California
$2.82M +$870K +10,984 +45%
SW
327
SlateStone Wealth
Florida
$2.78M +$446K +5,624 +19%
Axa
328
Axa
France
$2.7M +$173K +2,179 +7%
FG
329
Formula Growth
Quebec, Canada
$2.69M – – –
Allianz Asset Management
330
Allianz Asset Management
Germany
$2.68M -$349K -4,403 -12%
MSU
331
Mizuho Securities USA
New York
$2.67M -$405K -5,111 -13%
DADC
332
D.A. Davidson & Co
Montana
$2.64M +$342K +4,322 +15%
LRPA
333
L. Roy Papp & Associates
Arizona
$2.63M -$118K -1,492 -4%
NB
334
Norinchukin Bank
Japan
$2.62M +$822K +10,376 +46%
SI
335
Stephens Inc
Arkansas
$2.61M +$63.9K +807 +3%
Nordea Investment Management
336
Nordea Investment Management
Sweden
$2.61M +$9.09K +115 +0.3%
IIM
337
INTECH Investment Management
Florida
$2.61M +$892K +11,259 +52%
PA
338
Profund Advisors
Maryland
$2.55M -$389K -4,912 -13%
TAF
339
Tredje AP-fonden
Sweden
$2.54M – – –
BOC
340
Barbara Oil Co
Illinois
$2.54M – – –
AWM
341
AE Wealth Management
Kansas
$2.5M -$478K -6,038 -16%
ETC
342
Exchange Traded Concepts
Oklahoma
$2.49M +$52.6K +664 +2%
SC
343
Scotia Capital
Ontario, Canada
$2.48M +$40.9K +516 +2%
Commonwealth Equity Services
344
Commonwealth Equity Services
Massachusetts
$2.45M +$453K +5,714 +23%
BWG
345
Boomfish Wealth Group
Georgia
$2.42M +$27.7K +350 +1%
GIA
346
Gateway Investment Advisers
Ohio
$2.4M -$1.01M -12,766 -30%
BPC
347
Banque Pictet & Cie
Switzerland
$2.38M – – –
FDCDDQ
348
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.35M +$306K +3,860 +15%
CAPTRUST Financial Advisors
349
CAPTRUST Financial Advisors
North Carolina
$2.27M -$129K -1,629 -5%
KRS
350
Kentucky Retirement Systems
Kentucky
$2.25M +$14.7K +186 +0.7%
12 13
14
15 16