Costco
COST
4,018 hedge funds and large institutions have $302B invested in Costco in 2025 Q2 according to their latest regulatory filings, with 211 funds opening new positions, 1,750 increasing their positions, 1,519 reducing their positions, and 96 closing their positions.
120% more first-time investments, than exits
New positions opened: 211 | Existing positions closed: 96
15% more repeat investments, than reductions
Existing positions increased: 1,750 | Existing positions reduced: 1,519
13% more capital inflows, than outflows
Capital inflows: $10.3B | Capital outflows: $9.14B
2% more funds holding
Funds holding: 3,958 → 4,018 (+60)
0.17% more ownership
Funds ownership: 68.76% → 68.94% (+0.17%)
10% less funds holding in top 10
Funds holding in top 10: 358 → 321 (-37)
25% less call options, than puts
Call options by funds: $6.82B | Put options by funds: $9.1B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$707M |
| 2 |
BlackRock
New York
|
+$648M |
| 3 |
Two Sigma Advisers
New York
|
+$402M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$382M |
| 5 |
Squarepoint
New York
|
+$291M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$1.03B |
| 2 |
Bank of New York Mellon
New York
|
-$731M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$470M |
| 4 |
Corient Private Wealth
Miami,
Florida
|
-$378M |
| 5 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$375M |
COST Hedge Fund Activity: Q2 2025 in Review
4,018 of the 7,630 institutional investors tracked by Wall St. Rank reported a position in Costco (COST) for Q2 2025, worth a combined $302B — up 4.8% from $288B a quarter earlier.
Buyers outnumbered sellers: 211 funds opened new COST positions and 96 closed out — a net gain of 115 holders — while 1,750 added to existing stakes and 1,519 trimmed.
The largest buyer was Vanguard Group, adding an estimated $707M. The largest seller was AllianceBernstein, cutting an estimated $1.03B.
- 4,018 institutional investors held Costco (COST) as of Q2 2025, up from 3,958 in Q1 2025.
- Funds reported $302B of Costco stock for Q2 2025, up 4.8% quarter-over-quarter.
- 211 funds opened new Costco positions in Q2 2025 and 96 closed out, a net change of +115 holders.
- The largest Costco buyer in Q2 2025 was Vanguard Group, an estimated $707M added.
- The largest Costco seller in Q2 2025 was AllianceBernstein, an estimated $1.03B sold.
Based on aggregated 13F filings for Q2 2025.