Vanguard Group Reduces Stake in Tidewater Inc.

Institutional investor sold over 290,000 shares of the oil and gas company in Q3 2025.

Mar. 3, 2026 at 12:15am

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Vanguard Group Inc., a major institutional investor, decreased its holdings in Tidewater Inc. (NYSE:TDW) by 5.7% in the third quarter of 2025, according to a recent SEC filing. Vanguard sold 291,258 shares, reducing its stake in the oil and gas company to 4,810,526 shares, or 9.72% ownership.

Why it matters

Tidewater is a leading provider of offshore marine support vessels to the energy industry, particularly oil and gas companies. Changes in major institutional ownership can signal shifts in market sentiment and future performance expectations for the company.

The details

Vanguard Group, one of the world's largest investment management firms, sold a portion of its Tidewater shares during the third quarter. The sale reduced Vanguard's overall stake in the company from 10.3% to 9.72%. Tidewater operates a diverse fleet of platform supply vessels, anchor handling tug supply vessels, crew boats and other specialized vessels to support offshore drilling, production and construction activities.

  • Vanguard Group sold 291,258 Tidewater shares in Q3 2025.

The players

Vanguard Group Inc.

A major global investment management firm that owns stakes in many publicly traded companies.

Tidewater Inc.

A leading provider of offshore marine support vessels to the oil and gas industry.

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The takeaway

The reduction in Vanguard's Tidewater holdings could signal a shift in market sentiment around the offshore energy services company, though the overall reasons behind the sale are unclear. Investors will likely watch for any further changes in major institutional ownership of Tidewater stock.