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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 %
P
301
Pitcairn
Pennsylvania
$3.58M +$14.1K +178 +0.4%
LTAS
302
Linden Thomas Advisory Services
North Carolina
$3.48M +$74.9K +945 +2%
Bank of Nova Scotia
303
Bank of Nova Scotia
Ontario, Canada
$3.48M -$493K -6,228 -12%
Citadel Advisors
304
Citadel Advisors
Florida
$3.45M -$13.1M -164,734 -79%
VPIM
305
Vanguard Personalized Indexing Management
California
$3.38M +$856K +10,807 +34%
TPSF
306
Texas Permanent School Fund
Texas
$3.36M +$3.36M +45,320 New
II
307
Inspire Investing
Idaho
$3.36M -$786K -9,920 -19%
Pacer Advisors
308
Pacer Advisors
Pennsylvania
$3.32M -$1.07M -13,446 -24%
KIA
309
Knollwood Investment Advisory
Maryland
$3.32M – – –
Public Employees Retirement Association of Colorado
310
Public Employees Retirement Association of Colorado
Colorado
$3.28M – – –
EMPI
311
Elo Mutual Pension Insurance
Finland
$3.27M +$126K +1,586 +4%
LFM
312
LGT Fund Management
Liechtenstein
$3.24M +$1.31M +16,490 +67%
DKCM
313
Davidson Kahn Capital Management
California
$3.18M +$521K +6,578 +20%
BCI
314
Brinker Capital Investments
Pennsylvania
$3.17M +$492K +6,206 +18%
OPS
315
Orion Portfolio Solutions
Nebraska
$3.17M +$492K +6,206 +18%
UM
316
UniSuper Management
Australia
$3.14M +$28.2K +356 +0.9%
DZ Bank
317
DZ Bank
Germany
$3.13M +$1.25M +15,722 +66%
Cambridge Investment Research Advisors
318
Cambridge Investment Research Advisors
Iowa
$3.02M +$178K +2,241 +6%
ERSOT
319
Employees Retirement System of Texas
Texas
$3.01M +$3.01M +37,971 New
OC
320
Oppenheimer & Co
New York
$3M +$66.7K +842 +2%
SW
321
SVB Wealth
Massachusetts
$2.98M -$1.95M -24,566 -40%
OIAM
322
OFI Invest Asset Management
France
$2.93M – – –
OSAM
323
O'Shaughnessy Asset Management
Connecticut
$2.88M +$1.44M +18,217 +100%
OPERF
324
Oregon Public Employees Retirement Fund
Oregon
$2.86M +$80.8K +1,020 +3%
OAC
325
OMERS Administration Corp
Ontario, Canada
$2.85M +$412K +5,206 +17%
11 12
13
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