We are live on ! Find out more
CSGP icon

CoStar Group

856 hedge funds and large institutions have $34B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 376 increasing their positions, 264 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

183% more call options, than puts

Call options by funds: $337M | Put options by funds: $119M

85% more first-time investments, than exits

New positions opened: 139 | Existing positions closed: 75

44% more funds holding in top 10

Funds holding in top 10: 1623 (+7)

42% more repeat investments, than reductions

Existing positions increased: 376 | Existing positions reduced: 264

18% more capital invested

Capital invested by funds: $28.9B → $34B (+$5.08B)

7% more funds holding

Funds holding: 803856 (+53)

3.29% more ownership

Funds ownership: 98.4%101.68% (+3.3%)

Holders
856
Holders Change
+53
Holders Change %
+6.6%
% 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
139
Increased
376
Reduced
264
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
126
Millennium Management
New York
$25.8M -$8.29M -109,022 -25%
New York State Teachers Retirement System (NYSTRS)
127
New York State Teachers Retirement System (NYSTRS)
New York
$25.4M -$773K -10,157 -3%
KCM
128
Kornitzer Capital Management
Kansas
$24.6M -$16.4K -215 -0.1%
SFI
129
Susquehanna Fundamental Investments
Pennsylvania
$24.5M +$21.8M +287,065 +1,294%
FGP
130
Freestone Grove Partners
California
$24.3M +$23.3M +306,621 New
Asset Management One
131
Asset Management One
Japan
$23.8M +$967K +12,706 +4%
Stifel Financial
132
Stifel Financial
Missouri
$23.5M +$1.58M +20,729 +8%
TCM
133
Tran Capital Management
California
$22.9M +$22M +288,760 New
ACM
134
Ashford Capital Management
Delaware
$22.7M -$2.39M -31,378 -10%
LIP
135
Landmark Investment Partners
Florida
$22.4M +$18.7M +245,247 +650%
OAM
136
Oppenheimer Asset Management
New York
$22.2M +$656K +8,619 +3%
BFS
137
Baskin Financial Services
Ontario, Canada
$22.2M +$139K +1,821 +0.7%
First Trust Advisors
138
First Trust Advisors
Illinois
$22M -$2.32M -30,471 -10%
Manulife (Manufacturers Life Insurance)
139
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$21.9M +$1.1M +14,454 +6%
RL
140
Ruffer LLP
United Kingdom
$21.4M +$8.23M +108,233 +67%
GC
141
Gillson Capital
Illinois
$21.3M +$3.78M +49,633 +23%
AAM
142
Aureus Asset Management
Massachusetts
$20.6M +$813K +10,688 +4%
Universal-Beteiligungs- und Servicegesellschaft
143
Universal-Beteiligungs- und Servicegesellschaft
Germany
$20.5M -$578K -7,592 -3%
Korea Investment Corp
144
Korea Investment Corp
South Korea
$20.3M -$1.84M -24,191 -9%
Swedbank
145
Swedbank
Sweden
$19.8M
Aberdeen Group
146
Aberdeen Group
United Kingdom
$19.6M +$9.91M +130,277 +110%
GGHC
147
Gilder Gagnon Howe & Co
New York
$19.5M +$6.07M +79,763 +48%
State of Wisconsin Investment Board
148
State of Wisconsin Investment Board
Wisconsin
$18.8M +$977K +12,845 +6%
Prudential Financial
149
Prudential Financial
New Jersey
$17.9M +$408K +5,361 +2%
Chevy Chase Trust
150
Chevy Chase Trust
Maryland
$17.5M +$257K +3,378 +2%