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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 141 funds opening new positions, 371 increasing their positions, 258 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
845
Holders Change
+53
Holders Change %
+6.69%
% 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
141
Increased
371
Reduced
258
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M

Top Buyers

1
MMA
1
Mizuho Markets Americas
New York
$586M
2
Morgan Stanley
2
Morgan Stanley
New York
$627M
3
TCIM
3
TOMS Capital Investment Management
New York
$278M
4
UBS Group
4
UBS Group
Switzerland
$376M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$5.42B

Top Sellers

1
Macquarie Group
1
Macquarie Group
Australia
$489M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$0
3
Goldman Sachs
3
Goldman Sachs
New York
$214M
4
SCM
4
Spyglass Capital Management
California
$39.3M
5
Canada Pension Plan Investment Board
5
Canada Pension Plan Investment Board
Ontario, Canada
$37M
Name Holding Trade Value Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$240M +$16.9M +213,082 +8%
Brown Advisory
27
Brown Advisory
Maryland
$239M -$28.3M -357,374 -11%
William Blair & Company
28
William Blair & Company
Illinois
$230M -$38.9M -490,433 -14%
Goldman Sachs
29
Goldman Sachs
New York
$214M -$57.8M -729,594 -21%
UBS AM
30
UBS AM
Illinois
$202M -$7.67M -96,763 -4%
Ameriprise
31
Ameriprise
Minnesota
$200M -$17.9M -225,435 -8%
JPMorgan Chase & Co
32
JPMorgan Chase & Co
New York
$197M +$106M +1,332,813 +116%
BNP Paribas Asset Management
33
BNP Paribas Asset Management
France
$197M +$4.5M +56,748 +2%
Mackenzie Financial
34
Mackenzie Financial
Ontario, Canada
$195M -$37.4M -472,205 -16%
Legal & General Group
35
Legal & General Group
United Kingdom
$189M +$5.98M +75,522 +3%
DDC
36
DF Dent & Co
Maryland
$188M -$7.08M -89,418 -4%
RC
37
RGM Capital
Florida
$176M +$1.71M +21,564 +1%
Dimensional Fund Advisors
38
Dimensional Fund Advisors
Texas
$170M +$11.8M +149,035 +7%
Fayez Sarofim & Co
39
Fayez Sarofim & Co
Texas
$170M +$8.1M +102,277 +5%
Franklin Resources
40
Franklin Resources
California
$160M -$17.2M -216,945 -10%
TP
41
Third Point
New York
$156M +$156M +1,975,000 New
RP
42
Riverbridge Partners
Minnesota
$148M -$6.14M -77,538 -4%
BMO
43
Beck Mack & Oliver
New York
$143M +$8.33M +105,194 +6%
Envestnet Asset Management
44
Envestnet Asset Management
Illinois
$141M -$2.1M -26,550 -1%
CIBC Private Wealth Group
45
CIBC Private Wealth Group
Georgia
$134M +$110M +1,497,912 +455%
BNP Paribas Financial Markets
46
BNP Paribas Financial Markets
France
$132M +$60.3M +761,431 +85%
Fidelity Investments
47
Fidelity Investments
Massachusetts
$130M +$37.8M +476,633 +41%
Federated Hermes
48
Federated Hermes
Pennsylvania
$116M -$22.6M -285,558 -16%
HL
49
Harding Loevner
New Jersey
$114M -$19.7M -248,581 -15%
Royal Bank of Canada
50
Royal Bank of Canada
Ontario, Canada
$110M -$5.49M -69,259 -5%
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