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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
Canada Pension Plan Investment Board
101
Canada Pension Plan Investment Board
Ontario, Canada
$37M -$50.4M -662,172 -59%
ICP
102
Ironvine Capital Partners
Nebraska
$36.3M -$666K -8,753 -2%
YL
103
YCG LLC
Texas
$35.4M -$125K -1,638 -0.4%
LPL Financial
104
LPL Financial
California
$35.4M +$1.05M +13,781 +3%
Bank of Montreal
105
Bank of Montreal
Ontario, Canada
$35.1M -$7.72M -101,468 -19%
FCM
106
Frontier Capital Management
Massachusetts
$34.8M +$3.41M +44,809 +11%
CCP
107
Caden Capital Partners
California
$34.6M +$3.76M +49,411 +13%
Russell Investments Group
108
Russell Investments Group
United Kingdom
$33.7M +$8.57M +112,665 +36%
Royal London Asset Management
109
Royal London Asset Management
United Kingdom
$33M +$1.12M +14,688 +4%
State Board of Administration of Florida Retirement System
110
State Board of Administration of Florida Retirement System
Florida
$32.4M -$217K -2,848 -0.7%
VG
111
Visualize Group
New York
$32M +$14M +183,700 +83%
GCM
112
Geneva Capital Management
Wisconsin
$31.9M +$954K +12,534 +3%
ClearBridge Investments
113
ClearBridge Investments
New York
$31.5M -$794K -10,432 -3%
NC
114
NZS Capital
Colorado
$31.4M -$2.83M -37,192 -9%
NSGL
115
No Street GP LP
California
$31.3M +$3.04M +40,000 +11%
TCP
116
ThornTree Capital Partners
Massachusetts
$31.2M -$5.34M -70,152 -15%
Canada Life
117
Canada Life
Manitoba, Canada
$31M +$86.2K +1,133 +0.3%
Adage Capital Partners
118
Adage Capital Partners
Massachusetts
$30.5M +$10.1M +133,052 +53%
Nomura Holdings
119
Nomura Holdings
Japan
$28.8M +$22.1M +290,445 +400%
Ninety One (UK)
120
Ninety One (UK)
United Kingdom
$28.3M -$2.7M -35,491 -9%
Mirae Asset Global ETFs Holdings
121
Mirae Asset Global ETFs Holdings
Hong Kong
$28.2M +$2.71M +35,621 +11%
GIM
122
Granahan Investment Management
Massachusetts
$27.5M -$800K -10,513 -3%
National Bank of Canada
123
National Bank of Canada
Quebec, Canada
$27.1M +$6.22M +81,760 +31%
Victory Capital Management
124
Victory Capital Management
Texas
$26.7M -$24.2M -318,590 -49%
MFWM
125
Motley Fool Wealth Management
Virginia
$26.2M -$2.2M -28,864 -8%