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CoStar Group
CSGP

Overview Fund Activity

845 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 372 increasing their positions, 258 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
845
Holders Change
+52
Holders Change %
+6.56%
% 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
140
Increased
372
Reduced
258
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M

Top Buyers

1
MMA
Mizuho Markets Americas
New York
+$586M
2
Morgan Stanley
Morgan Stanley
New York
+$283M
3
TCIM
TOMS Capital Investment Management
New York
+$278M
4
UBS Group
UBS Group
Switzerland
+$256M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$215M

Top Sellers

1
Macquarie Group
Macquarie Group
Australia
-$91.1M
2
Viking Global Investors
Viking Global Investors
Connecticut
-$83.2M
3
Goldman Sachs
Goldman Sachs
New York
-$57.8M
4
SCM
Spyglass Capital Management
California
-$57.5M
5
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
-$52.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
SC
426
Sapient Capital
Indiana
$1.18M -$17.1K -216 -1%
ECM
427
EagleClaw Capital Management
Massachusetts
$1.14M -$91.1K -1,150 -7%
DCM
428
Davis Capital Management
Florida
$1.14M +$77.7K +981 +7%
GBT
429
Grove Bank & Trust
Florida
$1.12M +$27.6K +348 +3%
LA
430
Legacy Advisors
Pennsylvania
$1.12M -$10.5K -133 -0.9%
Osaic Holdings
431
Osaic Holdings
Arizona
$1.11M -$93.8K -1,184 -8%
RWB
432
RMR Wealth Builders
New Jersey
$1.1M -$1.98K -25 -0.2%
CPIG
433
Chicago Partners Investment Group
Illinois
$1.09M +$33K +438 +3%
BF
434
BOK Financial
Oklahoma
$1.09M -$130K -1,640 -11%
CT
435
Chicago Trust
Illinois
$1.07M -$122K -1,545 -10%
TMAM
436
Tokio Marine Asset Management
Japan
$1.07M +$109K +1,380 +11%
NMIMC
437
Northwestern Mutual Investment Management Company
Wisconsin
$1.06M +$30.7K +387 +3%
BB
438
Bell Bank
North Dakota
$1.06M -$356K -4,489 -25%
GC
439
Guidance Capital
Kentucky
$1.06M +$121K +1,552 +13%
AI
440
ArchPoint Investors
Florida
$1.04M +$1.04M +13,174 New
PWAM
441
Papamarkou Wellner Asset Management
New York
$1.04M -$2.38K -30 -0.2%
BAMF
442
BI Asset Management Fondsmaeglerselskab
Denmark
$1.04M -$460K -5,801 -31%
SSG
443
Summit Securities Group
New York
$1.03M +$708K +8,935 +220%
YC
444
Yarbrough Capital
Tennessee
$1.01M -$1.99M -25,140 -66%
RCG
445
Regatta Capital Group
California
$1,000K +$23.8K +301 +2%
ECM
446
Everence Capital Management
Indiana
$982K -$153K -1,930 -13%
EOJOAM
447
E. Ohman J:or Asset Management
Sweden
$975K – – –
KRSITF
448
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$957K +$957K +12,074 New
Wolverine Trading
449
Wolverine Trading
Illinois
$953K -$760K -9,588 -44%
CB
450
Commerce Bank
Missouri
$946K -$214K -2,707 -18%
16 17
18
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