Tidewater Inc. (TDW) ownership: Top institutional holder: BlackRock, Inc. ($605.30M). Insider activity: Net Seller (9 buys, 11 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 7244738.00 | $605.30M | 2026-03-31 |
| NEUBERGER BERMAN GROUP LLC | 3271371.00 | $273.32M | 2026-03-31 |
| ROBOTTI ROBERT | 2920689.00 | $244.02M | 2026-03-31 |
| VANGUARD GROUP INC | 4785489.00 | $241.72M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2626645.00 | $219.46M | 2026-03-31 |
| STATE STREET CORP | 1948425.00 | $162.79M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1942871.00 | $162.33M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 1838769.00 | $153.62M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.