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CoStar Group
CSGP

Overview Fund Activity

857 hedge funds and large institutions have $34.1B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 347 increasing their positions, 313 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
857
Holders Change
+12
Holders Change %
+1.42%
% of All Funds
11.49%
Holding in Top 10
26
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+13.04%
% of All Funds
0.35%
New
97
Increased
347
Reduced
313
Closed
74
Calls
$180M
Puts
$97.5M
Net Calls
+$82.6M
Net Calls Change
-$135M

Top Buyers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
$324M
2
Viking Global Investors
Viking Global Investors
Connecticut
$259M
3
Franklin Resources
Franklin Resources
California
$277M
4
TP
Third Point
New York
$248M
5
IAM
Ion Asset Management
Israel
$94.1M

Top Sellers

1
TCIM
TOMS Capital Investment Management
New York
$0
2
BlackRock
BlackRock
New York
$2.82B
3
MMA
Mizuho Markets Americas
New York
$471M
4
Ameriprise
Ameriprise
Minnesota
$86.7M
5
Macquarie Group
Macquarie Group
Australia
$389M
Name Holding Trade Value Shares
Change 		Shares
Change %
OSAM
301
O'Shaughnessy Asset Management
Connecticut
$3.51M +$583K +7,248 +20%
LTAS
302
Linden Thomas Advisory Services
North Carolina
$3.48M -$50.6K -629 -1%
KIA
303
Knollwood Investment Advisory
Maryland
$3.37M – – –
Public Employees Retirement Association of Colorado
304
Public Employees Retirement Association of Colorado
Colorado
$3.33M – – –
ERSOT
305
Employees Retirement System of Texas
Texas
$3.33M +$273K +3,401 +9%
FFA
306
First Foundation Advisors
California
$3.31M -$1.03M -12,869 -24%
Creative Planning
307
Creative Planning
Kansas
$3.28M -$1M -12,459 -23%
VPIM
308
Vanguard Personalized Indexing Management
California
$3.27M -$163K -2,025 -5%
DKCM
309
Davidson Kahn Capital Management
California
$3.24M +$18.3K +227 +0.6%
Osaic Holdings
310
Osaic Holdings
Arizona
$3.24M +$2.14M +27,251 +194%
GIA
311
Gateway Investment Advisers
Ohio
$3.24M +$801K +9,962 +33%
Axa
312
Axa
France
$3.2M +$462K +5,749 +17%
Bank of Nova Scotia
313
Bank of Nova Scotia
Ontario, Canada
$3.15M -$375K -4,665 -11%
UM
314
UniSuper Management
Australia
$3.13M -$48.2K -600 -2%
NAAA
315
New Age Alpha Advisors
New York
$3.03M -$956K -11,885 -24%
SW
316
SlateStone Wealth
Florida
$3.02M +$206K +2,566 +7%
Wealthfront Advisers
317
Wealthfront Advisers
California
$2.97M -$1.03M -12,866 -26%
ETC
318
Exchange Traded Concepts
Oklahoma
$2.97M +$436K +5,417 +17%
OPERF
319
Oregon Public Employees Retirement Fund
Oregon
$2.93M +$24.1K +300 +0.8%
PA
320
Profund Advisors
Maryland
$2.92M +$340K +4,224 +13%
Cambridge Investment Research Advisors
321
Cambridge Investment Research Advisors
Iowa
$2.92M -$149K -1,849 -5%
Nordea Investment Management
322
Nordea Investment Management
Sweden
$2.91M +$253K +3,133 +9%
OAC
323
OMERS Administration Corp
Ontario, Canada
$2.89M – – –
SW
324
SVB Wealth
Massachusetts
$2.85M -$171K -2,129 -6%
NB
325
Norinchukin Bank
Japan
$2.84M +$184K +2,292 +7%
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