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
New York State Common Retirement Fund
151
New York State Common Retirement Fund
New York
$19.2M +$680K +7,700 +3%
TCG
152
Tremblant Capital Group
Florida
$19.1M +$2.3M +26,047 +13%
UB
153
UMB Bank
Missouri
$19M +$6.78M +76,720 +52%
IECM
154
Intrinsic Edge Capital Management
Illinois
$18.9M -$3.51M -39,687 -15%
Chevy Chase Trust
155
Chevy Chase Trust
Maryland
$18.5M -$360K -4,077 -2%
Public Employees Retirement Association of Colorado
156
Public Employees Retirement Association of Colorado
Colorado
$18.2M +$15.5M +174,864 +422%
NIM
157
NEOS Investment Management
Connecticut
$18.2M +$8.02M +90,758 +73%
NP
158
NS Partners
United Kingdom
$18.1M +$26.6K +301 +0.1%
NC
159
Nicholas Company
Wisconsin
$18.1M +$3.98K +45 +0%
Fidelity International
160
Fidelity International
Bermuda
$18.1M +$3.06M +34,626 +19%
FVWA
161
Foster Victor Wealth Advisors
South Carolina
$17.7M +$704K +7,963 +4%
Ohio Public Employees Retirement System (OPERS)
162
Ohio Public Employees Retirement System (OPERS)
Ohio
$17.5M +$254K +2,876 +1%
DB
163
Danske Bank
Denmark
$17.1M +$766K +8,668 +4%
National Bank of Canada
164
National Bank of Canada
Quebec, Canada
$17.1M -$18.8M -212,770 -51%
APG Asset Management
165
APG Asset Management
Netherlands
$16.9M +$548K +6,200 +3%
EAM
166
Erste Asset Management
Austria
$16.8M -$972K -11,000 -5%
Rafferty Asset Management
167
Rafferty Asset Management
New York
$16.7M -$337K -3,808 -2%
TRSOTSOK
168
Teachers Retirement System of the State of Kentucky
Kentucky
$16.6M – – –
CA
169
Clearstead Advisors
Ohio
$16.2M +$381K +4,310 +2%
CA
170
Cortland Associates
Missouri
$16.2M +$21K +238 +0.1%
Treasurer of the State of North Carolina
171
Treasurer of the State of North Carolina
North Carolina
$15.8M -$646K -7,314 -4%
CBU
172
CIBC Bancorp USA
Illinois
$15.6M +$16.4M +185,242 New
Asset Management One
173
Asset Management One
Japan
$15.4M +$300K +3,390 +2%
DekaBank Deutsche Girozentrale
174
DekaBank Deutsche Girozentrale
Germany
$15.3M – – –
FAM
175
Fred Alger Management
New York
$14.9M +$2.69M +30,411 +21%
5 6
7
8 9

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.