We are live on ! Find out more
CSGP icon

CoStar Group
CSGP

903 hedge funds and large institutions have $34.9B invested in CoStar Group in 2025 Q3 according to their latest regulatory filings, with 108 funds opening new positions, 361 increasing their positions, 314 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed

144% more call options, than puts

Call options by funds: $199M | Put options by funds: $81.5M

71% more first-time investments, than exits

New positions opened: 108 | Existing positions closed: 63

15% more repeat investments, than reductions

Existing positions increased: 361 | Existing positions reduced: 314

4% more funds holding

Funds holding: 871 → 903 (+32)

2% more capital invested

Capital invested by funds: $34.2B → $34.9B (+$698M)

3.07% less ownership

Funds ownership: 100.7% → 97.63% (-3.1%)

4% less funds holding in top 10

Funds holding in top 10: 26 → 25 (-1)

Holders
903
Holders Change
+32
Holders Change %
+3.67%
% of All Funds
11.85%
Holding in Top 10
25
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-3.85%
% of All Funds
0.33%
New
108
Increased
361
Reduced
314
Closed
63
Calls
$199M
Puts
$81.5M
Net Calls
+$117M
Net Calls Change
+$34.8M

Top Buyers

1
N
Nuveen
North Carolina
+$214M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$193M
3
Citadel Advisors
Citadel Advisors
Florida
+$150M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$107M
5
Morgan Stanley
Morgan Stanley
New York
+$100M

Top Sellers

1
Capital International Investors
Capital International Investors
California
-$710M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$264M
3
Bank of America
Bank of America
North Carolina
-$126M
4
Viking Global Investors
Viking Global Investors
Connecticut
-$121M
5
SCM
SG Capital Management
Illinois
-$74.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
TA
926
Tectonic Advisors
Texas
– -$375K -4,662 Closed
QIM
927
Quantitative Investment Management
Virginia
– -$366K -4,556 Closed
VSQM
928
V-Square Quantitative Management
Illinois
– -$308K -3,831 Closed
Holocene Advisors
929
Holocene Advisors
New York
– -$308K -3,829 Closed
IC
930
Iconiq Capital
California
– -$283K -3,526 Closed
VA
931
VestGen Advisors
Illinois
– -$277K -3,441 Closed
MPM
932
MBB Public Markets
Illinois
– -$263K -3,266 Closed
FI
933
FWG Investments
Kentucky
– -$235K -2,920 Closed
TAM
934
Tocqueville Asset Management
New York
– -$232K -2,883 Closed
EC
935
EntryPoint Capital
New York
– -$228K -2,831 Closed
ET
936
Entropy Technologies
New York
– -$214K -2,661 Closed
ACA
937
Aptus Capital Advisors
Alabama
– -$205K -2,553 Closed
TSS
938
Two Sigma Securities
New York
– -$205K -2,545 Closed
CNBOF
939
City National Bank of Florida
Florida
– -$204K -2,534 Closed
SW
940
Simplicity Wealth
New Jersey
– -$204K -2,534 Closed
FW
941
FullCircle Wealth
Texas
– -$213K -2,195 Closed
GM
942
GeoWealth Management
Illinois
– -$96.7K -1,203 Closed
TPWA
943
Twin Peaks Wealth Advisors
California
– -$67.7K -765 Closed
Optiver Holding
944
Optiver Holding
Netherlands
– -$37.9K -472 Closed
NC
945
NewSquare Capital
Pennsylvania
– -$33K -411 Closed
OWA
946
Opal Wealth Advisors
New York
– -$26.3K -327 Closed
BCM
947
Boreal Capital Management
Florida
– -$13.7K -170 Closed
RAM
948
Riggs Asset Management
Pennsylvania
– -$10.3K -128 Closed
WA
949
Whipplewood Advisors
Colorado
– -$7.96K -99 Closed
CWA
950
Carolina Wealth Advisors
South Carolina
– -$7.88K -98 Closed
35 36 37
38
39

CSGP Hedge Fund Activity: Q3 2025 in Review

903 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in CoStar Group (CSGP) for Q3 2025, worth a combined $34.9B — up 2% from $34.2B a quarter earlier.

Buyers outnumbered sellers: 108 funds opened new CSGP positions and 63 closed out — a net gain of 45 holders — while 361 added to existing stakes and 314 trimmed.

The largest buyer was Nuveen, adding an estimated $214M. The largest seller was Capital International Investors, cutting an estimated $710M.

  • 903 institutional investors held CoStar Group (CSGP) as of Q3 2025, up from 871 in Q2 2025.
  • Funds reported $34.9B of CoStar Group stock for Q3 2025, up 2% quarter-over-quarter.
  • 108 funds opened new CoStar Group positions in Q3 2025 and 63 closed out, a net change of +45 holders.
  • The largest CoStar Group buyer in Q3 2025 was Nuveen, an estimated $214M added.
  • The largest CoStar Group seller in Q3 2025 was Capital International Investors, an estimated $710M sold.

Based on aggregated 13F filings for Q3 2025.