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Oceaneering International OII · USD

Energy · US listing · 🇺🇸 United States

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34.85

+1.78%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.16.3m16.15%+345.5k31 Mar 2026
BlackRock Institutional Trust Company, N.A.14m13.85%+368.2k31 Dec 2025
The Vanguard Group, Inc.12.3m12.19%+187.7k31 Dec 2025
VANGUARD PORTFOLIO MANAGEMENT LLC7.6m7.48%+7.6m31 Mar 2026
Brown Advisory7.4m7.33%−275.3k31 Dec 2025
BROWN ADVISORY INC5.8m5.72%−1.6m31 Mar 2026
STATE STREET CORP5m4.97%+386.9k31 Mar 2026
State Street Investment Management (US)4.6m4.59%+215.4k31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC4.5m4.42%+4.5m31 Mar 2026
Morgan Stanley Institutional Investment Advisors LLC3.9m3.90%+3.9m31 Dec 2025
EARNEST Partners, LLC3.8m3.74%−225.1k31 Dec 2025
AMERICAN CENTURY COMPANIES INC3.8m3.72%+158.6k31 Mar 2026
EARNEST PARTNERS LLC3.7m3.64%−107.3k31 Mar 2026
American Century Investment Management, Inc.3.6m3.56%−34.8k31 Dec 2025
Dimensional Fund Advisors, L.P.3.5m3.43%+191.1k31 Dec 2025

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

6.9m

-0.0% on the period before. 9.8 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

40.6%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 30 Sept 20262,634 shares
  • 21 Sept 20262,517 shares
  • 18 Sept 2026112 shares
  • 17 Sept 2026563 shares
  • 16 Sept 20261,143 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.