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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 %
IUHSA
351
Itau Unibanco Holding S.A.
Brazil
$2.22M +$2.22M +27,993 New
MFS
352
Mirabella Financial Services
United Kingdom
$2.16M +$1.31M +16,449 +153%
MNBTD
353
Moody National Bank Trust Division
Texas
$2.14M +$179K +2,259 +9%
MCC
354
Malaga Cove Capital
California
$2.08M +$8.16K +103 +0.4%
HFM
355
Harvest Fund Management
China
$2.05M +$141K +1,780 +7%
HIMCH
356
Hartford Investment Management Co (HIMCO)
Connecticut
$2.04M +$41K +518 +2%
A
357
Allianz
Germany
$2.02M – – –
VCA
358
Verdence Capital Advisors
Maryland
$2.02M +$237K +2,989 +13%
N
359
Natixis
France
$2M +$42.8K +541 +2%
Simplex Trading
360
Simplex Trading
Illinois
$2M +$2M +25,214 New
WF
361
WoodTrust Financial
Wisconsin
$2M +$1.14M +14,365 +133%
QCM
362
QRG Capital Management
Illinois
$1.99M +$231K +2,914 +13%
PS
363
Principal Securities
Iowa
$1.98M – – –
FBT
364
First Bank & Trust
South Dakota
$1.96M +$308K +3,893 +19%
Holocene Advisors
365
Holocene Advisors
New York
$1.95M -$7.11M -89,739 -79%
DEA
366
DoubleLine ETF Adviser
Florida
$1.94M -$386K -4,869 -17%
MSK
367
Melissa S. Kampmann
$1.9M +$458K +5,775 +32%
BEI
368
Benjamin Edwards Inc
Missouri
$1.89M +$216K +2,732 +13%
SLI
369
Sumitomo Life Insurance
Japan
$1.89M -$12.4K -156 -0.6%
GIBU
370
Gulf International Bank (UK)
United Kingdom
$1.89M -$647K -8,171 -26%
PWG
371
Portside Wealth Group
Utah
$1.88M -$30.2K -381 -2%
LIP
372
Liontrust Investment Partners
United Kingdom
$1.84M +$104K +1,313 +6%
HA
373
Harbor Advisors
Florida
$1.79M – – –
IWA
374
Icon Wealth Advisors
Texas
$1.78M -$154K -1,940 -8%
BOSSRA
375
B.O.S.S. Retirement Advisors
Utah
$1.77M -$128K -1,611 -7%
13 14
15
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