Costco
COST
4,137 hedge funds and large institutions have $272B invested in Costco in 2025 Q4 according to their latest regulatory filings, with 447 funds opening new positions, 1,562 increasing their positions, 1,653 reducing their positions, and 177 closing their positions.
153% more first-time investments, than exits
New positions opened: 447 | Existing positions closed: 177
5% more funds holding
Funds holding: 3,941 → 4,137 (+196)
4.14% more ownership
Funds ownership: 66.95% → 71.09% (+4.1%)
1% less capital invested
Capital invested by funds: $274B → $272B (-$2.61B)
2% less call options, than puts
Call options by funds: $8.05B | Put options by funds: $8.25B
6% less repeat investments, than reductions
Existing positions increased: 1,562 | Existing positions reduced: 1,653
20% less funds holding in top 10
Funds holding in top 10: 235 → 187 (-48)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$9.15B |
| 2 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$970M |
| 3 |
Renaissance Technologies
New York
|
+$616M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$523M |
| 5 |
BNP Paribas Financial Markets
Paris,
France
|
+$519M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$1.14B |
| 2 |
Goldman Sachs
New York
|
-$996M |
| 3 |
Amundi
Paris,
France
|
-$563M |
| 4 |
Jennison Associates
New York
|
-$541M |
| 5 |
Nuveen
Charlotte,
North Carolina
|
-$305M |
COST Hedge Fund Activity: Q4 2025 in Review
4,137 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in Costco (COST) for Q4 2025, worth a combined $272B — down 0.95% from $274B a quarter earlier.
Buyers outnumbered sellers: 447 funds opened new COST positions and 177 closed out — a net gain of 270 holders — while 1,562 added to existing stakes and 1,653 trimmed.
The largest buyer was Invesco, adding an estimated $9.15B. The largest seller was Fidelity Investments, cutting an estimated $1.14B.
- 4,137 institutional investors held Costco (COST) as of Q4 2025, up from 3,941 in Q3 2025.
- Funds reported $272B of Costco stock for Q4 2025, down 0.95% quarter-over-quarter.
- 447 funds opened new Costco positions in Q4 2025 and 177 closed out, a net change of +270 holders.
- The largest Costco buyer in Q4 2025 was Invesco, an estimated $9.15B added.
- The largest Costco seller in Q4 2025 was Fidelity Investments, an estimated $1.14B sold.
Based on aggregated 13F filings for Q4 2025.