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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
Westfield Capital Management
251
Westfield Capital Management
Massachusetts
$5.95M
SAM
252
Storebrand Asset Management
Norway
$5.93M -$4.39M -57,667 -44%
UIM
253
USS Investment Management
United Kingdom
$5.84M -$8.98K -118 -0.2%
Neuberger Berman Group
254
Neuberger Berman Group
New York
$5.73M -$186K -2,443 -3%
SO
255
STRS Ohio
Ohio
$5.63M -$3.42M -45,000 -39%
TC
256
Tsai Capital
New York
$5.52M +$652K +8,569 +14%
SW
257
Solidarity Wealth
Utah
$5.48M +$2.38M +31,290 +83%
US Bancorp
258
US Bancorp
Minnesota
$5.47M -$48.8K -642 -0.9%
SAM
259
Shell Asset Management
Netherlands
$5.46M -$163K -2,141 -3%
URS
260
Utah Retirement Systems
Utah
$5.44M +$117K +1,538 +2%
American Century Companies
261
American Century Companies
Missouri
$5.41M +$523K +6,873 +11%
VanEck Associates
262
VanEck Associates
New York
$5.4M -$124K -1,630 -2%
TAMH
263
Taikang Asset Management (HK)
Hong Kong
$5.29M
DC
264
Davenport & Co
Virginia
$5.28M -$435K -5,721 -8%
FAF
265
Fjarde Ap-fonden
Sweden
$5.26M -$1.17M -15,400 -19%
BZWA
266
Blue Zone Wealth Advisors
California
$5.26M +$508K +6,683 +11%
OAM
267
OP Asset Management
$5.15M +$4.95M +65,061 New
PIM
268
Platinum Investment Management
Australia
$5.15M -$380K -5,000 -7%
RFC
269
Regions Financial Corp
Alabama
$5.06M -$276K -3,627 -5%
HCM
270
Hahn Capital Management
California
$5.01M -$448K -5,891 -9%
AAIS
271
ABN AMRO Investment Solutions
$5M +$1.79M +23,589 +60%
BIA
272
Baer Investment Advisory
California
$4.94M +$23.3K +306 +0.6%
MFAM
273
Motley Fool Asset Management
Virginia
$4.91M -$1.62M -21,259 -26%
Teacher Retirement System of Texas
274
Teacher Retirement System of Texas
Texas
$4.88M +$4.39M +57,760 +1,506%
Janney Montgomery Scott
275
Janney Montgomery Scott
Pennsylvania
$4.83M +$4.64M +61,031 New