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TDW · Tidewater Inc

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Market Cap
$4.61B
Shares
49.76M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 366
Total Value: $3,885,185,740
Total Shares: 58,310,067
Showing 1–100 of 378 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 366 13F filers · Δ vs Mar 31, 2026
Top Holder
13.0%
Sep 2023 → Jun 2026 · range 9.1% – 13.7%
−0.6 pts
Top 5
33.8%
Sep 2023 → Jun 2026 · range 33.8% – 44.5%
−2.2 pts
Top 10
49.8%
Sep 2023 → Jun 2026 · range 49.8% – 58.3%
−2.2 pts
HHI
382
Sep 2023 → Jun 2026 · range 382 – 501
Broadly held−24

Quarterly Activity

vs Mar 31, 2026
New
55
Increased
125
Decreased
127
Sold Out
59
Unchanged
59
Holder count: -4
Institutional value: -13.1%
Shares held: +9.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 378
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 98222 CUSIP 88642R109 13F (30d) 285 filings 279 filers Visit website