7 institutions reported holding $17.3M of WEYERHAEUSER CO (WY-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($9.3M), SIMPLEX TRADING, LLC ($4.0M), GROUP ONE TRADING LLC ($3.2M), DV Trading LLC ($428,526), Davis Asset Management, L.P. ($414,186). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $9.3M | 389,900 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $4.0M | 165,900 | Added |
| 3 | GROUP ONE TRADING LLC | $3.2M | 132,500 | Added |
| 4 | DV Trading LLC | $428,526 | 17,900 | New |
| 5 | Davis Asset Management, L.P. | $414,186 | 17,301 | Hold |
| 6 | CenterStar Asset Management, LLC | $0 | 0 | Exited |
| 7 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30