Costco
COST
4,113 hedge funds and large institutions have $273B invested in Costco in 2025 Q4 according to their latest regulatory filings, with 432 funds opening new positions, 1,559 increasing their positions, 1,648 reducing their positions, and 175 closing their positions.
147% more first-time investments, than exits
New positions opened: 432 | Existing positions closed: 175
5.79% more ownership
Funds ownership: 66.95% → 72.74% (+5.8%)
5% more funds holding
Funds holding: 3,932 → 4,113 (+181)
1% less capital invested
Capital invested by funds: $274B → $273B (-$1.78B)
2% less call options, than puts
Call options by funds: $8.05B | Put options by funds: $8.25B
5% less repeat investments, than reductions
Existing positions increased: 1,559 | Existing positions reduced: 1,648
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 |
Corient Private Wealth
Miami,
Florida
|
+$5.74B |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$970M |
| 4 |
VC
Vestor Capital
Chicago,
Illinois
|
+$876M |
| 5 |
Renaissance Technologies
New York
|
+$616M |
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 |
N
Nuveen
Charlotte,
North Carolina
|
-$305M |
COST Hedge Fund Activity: Q4 2025 in Review
4,113 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Costco (COST) for Q4 2025, worth a combined $273B — down 0.65% from $274B a quarter earlier.
Buyers outnumbered sellers: 432 funds opened new COST positions and 175 closed out — a net gain of 257 holders — while 1,559 added to existing stakes and 1,648 trimmed.
The largest buyer was Invesco, adding an estimated $9.15B. The largest seller was Fidelity Investments, cutting an estimated $1.14B.
- 4,113 institutional investors held Costco (COST) as of Q4 2025, up from 3,932 in Q3 2025.
- Funds reported $273B of Costco stock for Q4 2025, down 0.65% quarter-over-quarter.
- 432 funds opened new Costco positions in Q4 2025 and 175 closed out, a net change of +257 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.