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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 %
AI
276
Atria Investments
North Carolina
$4.57M +$473K +5,885 +12%
A
277
Allianz
Germany
$4.51M +$2.46M +30,540 +120%
QCM
278
Qsemble Capital Management
New York
$4.36M +$4.36M +54,196 New
Janney Montgomery Scott
279
Janney Montgomery Scott
Pennsylvania
$4.33M -$573K -7,129 -12%
MOACM
280
Mutual of America Capital Management
New York
$4.33M -$50.5K -628 -1%
LSERS
281
Louisiana State Employees Retirement System
Louisiana
$4.28M +$40.2K +500 +0.9%
Schroder Investment Management Group
282
Schroder Investment Management Group
United Kingdom
$4.13M -$199K -2,481 -5%
SFA
283
Sequoia Financial Advisors
Ohio
$4.07M +$362K +4,506 +10%
EMPI
284
Elo Mutual Pension Insurance
Finland
$4.04M +$718K +8,932 +22%
YCM
285
Yousif Capital Management
Michigan
$4.01M +$10.5K +130 +0.3%
Susquehanna International Group
286
Susquehanna International Group
Pennsylvania
$3.96M -$12.9M -160,246 -76%
SCM
287
Shelton Capital Management
Colorado
$3.92M – – –
Mariner
288
Mariner
Kansas
$3.88M -$95.4K -1,186 -2%
O
289
Ossiam
France
$3.83M +$3.13M +38,956 +447%
SOADOR
290
State of Alaska Department of Revenue
Alaska
$3.81M -$157K -1,955 -4%
OC
291
Oppenheimer & Co
New York
$3.8M +$757K +9,419 +25%
IGAM
292
iA Global Asset Management
Quebec, Canada
$3.76M +$127K +1,581 +4%
Pathstone Holdings
293
Pathstone Holdings
New Jersey
$3.74M +$83K +1,032 +2%
SEEDPG
294
S.E.E.D. Planning Group
New York
$3.73M -$113K -1,410 -3%
HighTower Advisors
295
HighTower Advisors
Illinois
$3.72M -$505K -6,286 -12%
WP
296
Woodline Partners
California
$3.67M +$806K +10,031 +28%
LA
297
LBP AM
France
$3.63M -$7.59M -94,348 -68%
BIA
298
Baer Investment Advisory
California
$3.62M -$250K -3,407 -6%
Verition Fund Management
299
Verition Fund Management
Connecticut
$3.61M -$9.91M -123,251 -73%
II
300
Inspire Investing
Idaho
$3.54M +$132K +1,637 +4%
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