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Oceaneering
Fund managers haven’t disclosed any holdings of OII yet.
OII Hedge Fund Activity: Q1 2026 in Review
366 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Oceaneering (OII) for Q1 2026, worth a combined $3.61B — up 50% from $2.41B a quarter earlier.
Buyers outnumbered sellers: 90 funds opened new OII positions and 32 closed out — a net gain of 58 holders — while 131 added to existing stakes and 104 trimmed.
The largest buyer was Barrow, Hanley, Mewhinney & Strauss, opening a new position worth an estimated $46M. The largest seller was Brown Advisory, cutting an estimated $53M.
- 366 institutional investors held Oceaneering (OII) as of Q1 2026, up from 313 in Q4 2025.
- Funds reported $3.61B of Oceaneering stock for Q1 2026, up 50% quarter-over-quarter.
- 90 funds opened new Oceaneering positions in Q1 2026 and 32 closed out, a net change of +58 holders.
- The largest Oceaneering buyer in Q1 2026 was Barrow, Hanley, Mewhinney & Strauss, an estimated $46M added.
- The largest Oceaneering seller in Q1 2026 was Brown Advisory, an estimated $53M sold.
Based on aggregated 13F filings for Q1 2026.