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Tidewater TDW

US equityMarket cap rank #2251Oil & Gas Equipment & Services
$83.93 +$1.51 (+1.83%)
Market closed · Oct 6, 12:20 am ET · Last extended-hours $83.93 0.00%
Open$82.25
Prev close$82.42
Day range$81.69 – $85.29
Volume689.9K
Market cap$4.18B
P/E (TTM)17.0
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership121.3%-3.29 pts vs. prior quarter
Institutions holding430-3 vs. prior quarter
Insider trades (recent)23 buys / 27 sellsNet selling
Short interest12.18% of floatDays to cover 8.8 · as of 15 Sep 2026
Short-sale volume share26.0%5-day average of daily volume

Short-sale volume as % of daily volume

16%22%29%35%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$3.71M (5 inflow days, 15 outflow days).

The five largest holders on file together own 39.6% of shares outstanding.

Largest holders

  • BlackRock15.18%
  • T. Rowe Price Group, Inc.7.40%
  • Robotti & Company, Incorporated5.84%
  • Neuberger Berman Investment Advisers LLC5.63%
  • Vanguard Portfolio Management, LLC5.55%
  • Vanguard Capital Management, LLC4.59%
  • Dimensional Fund Advisors4.18%
  • State Street Global Advisors4.08%

By investor type

  • Mutual Fund99.37%
  • Hedge Fund8.57%
  • Public Company4.93%
  • VC/PE Fund3.28%
  • Insurance Company2.00%
  • Private Company1.77%
  • Individual/Insider1.69%
  • Government Pension Fund0.95%

Reported short interest has fallen from 12.73% to 12.18% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 6,062,043 12.2% 8.8
31 Aug 2026 6,092,225 12.2% 11.7
14 Aug 2026 6,458,973 13.0% 8.1
31 Jul 2026 6,463,672 13.0% 12.1
15 Jul 2026 6,293,878 12.7% 8.0
30 Jun 2026 6,332,256 12.7% 5.9

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