3 institutions reported holding $35.8M of TIDEWATER INC NEW (TDW.WSA) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($16.3M), GROUP ONE TRADING LLC ($15.0M), SIMPLEX TRADING, LLC ($4.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $16.3M | 194,600 | Added |
| 2 | GROUP ONE TRADING LLC | $15.0M | 179,900 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $4.5M | 53,700 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31