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Oil States International
OIS

Fund managers haven’t disclosed any holdings of OIS yet.

OIS Hedge Fund Activity: Q1 2026 in Review

215 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Oil States International (OIS) for Q1 2026, worth a combined $631M — up 83% from $345M a quarter earlier.

Buyers outnumbered sellers: 58 funds opened new OIS positions and 19 closed out — a net gain of 39 holders — while 76 added to existing stakes and 57 trimmed.

The largest buyer was Driehaus Capital Management, opening a new position worth an estimated $13.7M. The largest seller was Gendell Jeffrey L, cutting an estimated $13.1M.

  • 215 institutional investors held Oil States International (OIS) as of Q1 2026, up from 180 in Q4 2025.
  • Funds reported $631M of Oil States International stock for Q1 2026, up 83% quarter-over-quarter.
  • 58 funds opened new Oil States International positions in Q1 2026 and 19 closed out, a net change of +39 holders.
  • The largest Oil States International buyer in Q1 2026 was Driehaus Capital Management, an estimated $13.7M added.
  • The largest Oil States International seller in Q1 2026 was Gendell Jeffrey L, an estimated $13.1M sold.

Based on aggregated 13F filings for Q1 2026.