3 institutions reported holding $20.5M of TIDEWATER INC NEW (TDW.WSA) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($9.2M), IMC-Chicago, LLC ($8.4M), SIMPLEX TRADING, LLC ($2.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $9.2M | 138,800 | Trimmed |
| 2 | IMC-Chicago, LLC | $8.4M | 125,900 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $2.8M | 42,300 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30