OIIOceaneering International, Inc.

$44.81+84% 1Y

Who owns OII

372 institutions reported holding OII for 2026Q2, together 103% of the company, more than the 361 a quarter earlier.

372

Institutions reporting a position · as of 2026Q2 · up from 361 the quarter before

Shares held by institutions
104.0M

Shares held by institutions · 103% of the company · long US equity positions only, as reported on Form 13F

Reported value
$4.21B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
43%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
67
Positions exited
57
Added to
129
Reduced
103
Top 10 holdersof the company
60%
Shares sold shortsettled Sep 15, 2026
7.5M
Short interestof shares outstanding
7.5%
Days to coverat the average daily volume
9.1
Change in the short positionsince the Aug 31, 2026 count
+17%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2372104.0M$4.21B
2026Q1361101.4M$3.59B
2025Q431199.9M$2.40B
2025Q329895.3M$2.36B
2025Q228595.5M$1.98B
2025Q128395.8M$2.09B
2024Q428399.7M$2.60B
2024Q3256100.3M$2.49B
2024Q223199.6M$2.36B
2024Q122995.5M$2.25B
2023Q423394.0M$2.00B
2023Q324092.7M$2.38B
2023Q222293.9M$1.76B
2023Q122794.9M$1.67B
2022Q420693.2M$1.63B
2022Q319991.2M$726M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.16.4M16%$665M
VANGUARD GROUP INC13.3M13%$539M
STATE STREET CORP5.0M5.0%$202M
BROWN ADVISORY INC5.0M4.9%$201M
AMERICAN CENTURY COMPANIES INC4.0M4.0%$163M
EARNEST PARTNERS LLC3.5M3.5%$144M
DIMENSIONAL FUND ADVISORS LP3.5M3.5%$144M
Neuberger Berman Group LLC3.2M3.2%$131M
Morgan Stanley Institutional Investment Advisors LLC3.1M3.0%$124M
FRANKLIN RESOURCES INC3.1M3.0%$124M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20267.5M7.5%9.1
Aug 31, 20266.5M6.4%6.4
Aug 14, 20266.2M6.1%8.8
Jul 31, 20266.0M6.0%4.3
Jul 15, 20266.6M6.5%7.6
Jun 30, 20266.0M6.0%3.6
Jun 15, 20265.6M5.5%7.0
May 29, 20265.2M5.2%6.2
May 15, 20264.5M4.4%4.4
Apr 30, 20265.5M5.4%3.8
Apr 15, 20264.5M4.5%4.6
Mar 31, 20264.7M4.6%4.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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