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CoStar Group

847 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 373 increasing their positions, 260 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
847
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$337M
Puts
$119M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$5.42B
2
$2.97B
3
$1.51B
4
$1.51B
5
$1.39B
6
$1.16B
7
$953M
8
$738M
9
$668M
10
$627M
11
$586M
12
$524M
13
$523M
14
$509M
15
$489M
16
$486M
17
$438M
18
$383M
19
$376M
20
$341M
21
$319M
22
$278M
23
$271M
24
$259M
25
$257M