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CoStar Group
CSGP
CSGP
791 hedge funds and large institutions have $16.4B invested in CoStar Group in 2026 Q1 according to their latest regulatory filings, with 125 funds opening new positions, 307 increasing their positions, 276 reducing their positions, and 164 closing their positions.
New
Increased
Maintained
Reduced
Closed
262% more call options, than puts
Call options by funds: $142M | Put options by funds: $39.3M
11% more repeat investments, than reductions
Existing positions increased: 307 | Existing positions reduced: 276
0.54% less ownership
Funds ownership: 97.52% → 96.98% (-0.54%)
7% less funds holding
Funds holding: 846 → 791 (-55)
24% less first-time investments, than exits
New positions opened: 125 | Existing positions closed: 164
41% less capital invested
Capital invested by funds: $27.8B → $16.4B (-$11.3B)
59% less funds holding in top 10
Funds holding in top 10: 17 → 7 (-10)
Holders
791
Holders Change
-55
Holders Change %
-6.5%
% of All Funds
9.74%
Holding in Top 10
7
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-58.82%
% of All Funds
0.09%
New
125
Increased
307
Reduced
276
Closed
164
Calls
$142M
Puts
$39.3M
Net Calls
+$103M
Net Calls Change
+$7.38M
Top Buyers
| 1 |
Polen Capital Management
Boca Raton,
Florida
|
+$400M |
| 2 |
Goldman Sachs
New York
|
+$286M |
| 3 |
D.E. Shaw & Co
New York
|
+$261M |
| 4 |
Capital International Investors
Los Angeles,
California
|
+$243M |
| 5 |
VanEck Associates
New York
|
+$178M |
Top Sellers
| 1 |
VVP
Vulcan Value Partners
Birmingham,
Alabama
|
-$302M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$233M |
| 3 |
MMA
Mizuho Markets Americas
New York
|
-$216M |
| 4 |
TP
Third Point
New York
|
-$213M |
| 5 |
BAMCO Inc
New York
|
-$166M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
SA
951
Seneschal Advisors
Tacoma,
Washington
| – | -$269 | -4 | Closed |
|
|
LWMI
952
Legacy Wealth Management (Idaho)
Boise,
Idaho
| – | -$202 | -3 | Closed |
|
|
OC
953
Optima Capital
Beaverton,
Oregon
| – | -$202 | -3 | Closed |
|
954
Parallax Volatility Advisers
San Francisco,
California
| – | -$134 | -2 | Closed |
|
|
WW
955
Winnow Wealth
Waco,
Texas
| – | -$68 | -1 | Closed |
|