Tidewater Inc
TDW- Exchange
- NYSE
- Industry
- Water Transportation
- SEC CIK
- 0000098222
In the last 90 days, Tidewater Inc insiders filed 0 open-market purchases and 5 sales; 362 institutions reported holding it in 13F filings for Q2 2026, worth $3.82B in total; no superinvestor holds it.
Holders of 5% or more of TDW
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Tidewater Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 13.60%7.14M shares | – | Feb 5, 20251 filing | Feb 5, 2025 | SEC |
| Price T Rowe Associates Inc | 13G/A | 6.50%3.21M shares | −2.40 ppfrom 8.90% | Feb 16, 20219 filings | May 15, 2026 | SEC |
| Neuberger Berman Group LLC | 13G | 5.80%3.04M shares | – | Feb 12, 20243 filings | Feb 4, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.38%2.67M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Robotti Robert | 13D | 5.00%2.60M shares | – | Dec 20, 20216 filings | Dec 20, 2024 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
46 Schedule 13D and 13G filings on Tidewater Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 202610:07 AM ET | Price T Rowe Associates Inc | 13G/A | 6.50%3.21M shares | −2.40 ppfrom 8.90% | Mar 31, 2026 | SEC |
| Apr 29, 20263:50 PM ET | Vanguard Portfolio Management LLC | 13G | 5.38%2.67M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20261:34 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Nov 14, 202512:19 PM ET | Price T Rowe Associates Inc | 13G/A | 8.90%4.42M shares | +1.30 ppfrom 7.60% | Sep 30, 2025 | SEC |
| May 14, 202510:45 AM ET | Price T Rowe Associates Inc | 13G | 7.60%3.90M shares | – | Mar 31, 2025 | SEC |
| Feb 12, 20259:22 AM ET | FMR LLCand 1 other | 13G/A | 4.70%2.48M shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 13.60%7.14M shares | – | Dec 31, 2024 | SEC |
| Feb 4, 20253:12 PM ET | Neuberger Berman Group LLCand 1 other | 13G | 5.80%3.04M shares | – | Dec 31, 2024 | SEC |
| Dec 20, 20249:57 PM ET | Robotti Robertand 8 others | 13D | 5.00%2.60M shares | – | Dec 13, 2024 | SEC |
| Nov 14, 2024 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Nov 12, 2024 | FMR LLC | 13GOld format | – | New | – | SEC |
| Oct 4, 2024 | Neuberger Berman Group LLC | 13G/AOld format | – | – | – | SEC |
| Jul 10, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jul 8, 20244:32 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jun 25, 2024 | Millennium Management LLC | 13GOld format | – | New | – | SEC |
| May 21, 2024 | Robotti Robert | 13D/AOld format | – | – | – | SEC |
| Mar 8, 2024 | Robotti Robert | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2024 | Neuberger Berman Group LLC | 13GOld format | – | New | – | SEC |
| Jan 29, 20243:26 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Sep 11, 2023 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 14, 20237:50 AM ET | American International Group, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Moerus Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 31, 20235:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Nov 14, 2022 | Robotti Robert | 13D/AOld format | – | – | – | SEC |
| Nov 10, 2022 | Third Avenue Management LLC | 13G/AOld format | – | – | – | SEC |
| Aug 15, 2022 | Robotti Robert | 13D/AOld format | – | – | – | SEC |
| Mar 11, 20222:13 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 20223:51 PM ET | American International Group, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Moerus Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Third Avenue Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 20225:05 PM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Dec 20, 2021 | Robotti Robert | 13D/AOld format | – | – | – | SEC |
| May 4, 2021 | Ravenswood Investment Co L.P. | 13D/AOld format | – | – | – | SEC |
| Mar 12, 2021 | Ravenswood Investment Co L.P. | 13D/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Moerus Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 12, 20217:30 PM ET | American International Group, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Third Avenue Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13GOld format | – | New | – | SEC |
| Feb 1, 20218:17 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
1 notice from officers, directors and other affiliates planning to sell Tidewater Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Jun 30, 20235:18 PM ET | Rigdon Larry TDirector | 10.0K | $554.4K | Jun 30, 2023 | Charles Schwab Corporation | SEC |