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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
NEWAS
851
N.E.W. Advisory Services
Wisconsin
$2.53K – – –
GFWA
852
Grey Fox Wealth Advisors
Delaware
$2.53K +$2.65K +30 New
CIA
853
Cape Investment Advisory
Georgia
$2.28K – – –
EWP
854
Elevation Wealth Partners
California
$2.19K +$2.3K +26 New
PG
855
Proffitt & Goodson
Tennessee
$2.19K +$2.3K +26 New
AP
856
Aspect Partners
Virginia
$2.19K +$2.3K +26 New
CFG
857
CKW Financial Group
Hawaii
$2K – – –
TFM
858
TFC Financial Management
Massachusetts
$1.94K – – –
BHWM
859
Bay Harbor Wealth Management
Maryland
$1.77K +$619 +7 +50%
SIC
860
Salem Investment Counselors
North Carolina
$1.69K – – –
AF
861
Advisornet Financial
Minnesota
$1.69K -$5.3K -60 -75%
TCB
862
Texas Capital Bancshares
Texas
$1.69K +$1.77K +20 New
NL
863
NVWM LLC
Pennsylvania
$1.6K – – –
1IA
864
1620 Investment Advisors
Massachusetts
$1.52K – – –
AT
865
Avalon Trust
New Mexico
$1.52K +$1.59K +18 New
PS
866
PayPay Securities
Japan
$1.46K +$442 +5 +42%
CAC
867
Core Alternative Capital
Georgia
$1.35K – – –
CFD
868
Creative Financial Designs
Indiana
$1.27K – – –
JSAM
869
J. Safra Asset Management
New York
$1.27K +$1.33K +15 New
RWM
870
Rialto Wealth Management
New York
$1.18K +$707 +8 +133%
WWA
871
Wealth Watch Advisors
Colorado
$1.1K -$265 -3 -19%
UCB
872
United Community Bank
South Carolina
$1.1K +$1.15K +13 New
WW
873
Winnow Wealth
Texas
$1.02K +$1.06K +12 New
CAL
874
Capital Advisors Ltd
Ohio
$1K – – –
GTAM
875
Global Trust Asset Management
Florida
$844 – – –
33 34
35
36 37

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.