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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.

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
Norges Bank
1
Norges Bank
Norway
$0
2
Macquarie Group
2
Macquarie Group
Australia
$489M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$0
4
Goldman Sachs
4
Goldman Sachs
New York
$214M
5
SCM
5
Spyglass Capital Management
California
$39.3M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$5.42B 68,426,711 +2,709,320 +4%
BlackRock
2
BlackRock
New York
$2.97B 37,457,618 -658,076 -2%
BAMCO Inc
3
BAMCO Inc
New York
$1.51B 19,032,522 -171,042 -0.9%
Principal Financial Group
4
Principal Financial Group
Iowa
$1.51B 19,007,873 -178,402 -0.9%
State Street
5
State Street
Massachusetts
$1.39B 17,574,429 +542,553 +3%
Capital International Investors
6
Capital International Investors
California
$1.16B 14,669,837 +637,474 +5%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$953M 12,067,436 +591,681 +5%
ACM
8
AKRE Capital Management
Virginia
$738M 9,313,592 -288 -0%
Baillie Gifford & Co
9
Baillie Gifford & Co
United Kingdom
$668M 8,436,199 +524,601 +7%
Morgan Stanley
10
Morgan Stanley
New York
$627M 7,910,143 +3,569,880 +82%
MMA
11
Mizuho Markets Americas
New York
$586M 7,401,273 +7,401,273 New
Massachusetts Financial Services
12
Massachusetts Financial Services
Massachusetts
$524M 6,619,472 -474,271 -7%
Polen Capital Management
13
Polen Capital Management
Florida
$523M 6,601,800 +104,612 +2%
T. Rowe Price Investment Management
14
T. Rowe Price Investment Management
Maryland
$509M 6,418,209 +2,314 +0%
Macquarie Group
15
Macquarie Group
Australia
$489M 6,176,880 -1,150,187 -16%
Bank of America
16
Bank of America
North Carolina
$486M 6,139,226 +2,566,144 +72%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$438M 5,533,767 -11,302 -0.2%
VVP
18
Vulcan Value Partners
Alabama
$383M 4,833,477 -265,961 -5%
UBS Group
19
UBS Group
Switzerland
$376M 4,739,479 +3,234,275 +215%
Invesco
20
Invesco
Georgia
$341M 4,305,556 +70,561 +2%
Northern Trust
21
Northern Trust
Illinois
$319M 4,027,534 +34,210 +0.9%
TCIM
22
TOMS Capital Investment Management
New York
$278M 3,508,000 +3,508,000 New
Capital Research Global Investors
23
Capital Research Global Investors
California
$271M 3,420,692 +14,874 +0.4%
Amundi
24
Amundi
France
$259M 3,396,393 +585,853 +21%
Tiger Global Management
25
Tiger Global Management
New York
$257M 3,245,109 – –
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