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

OLN Hedge Fund Activity: Q1 2026 in Review

417 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Olin (OLN) for Q1 2026, worth a combined $3.34B — up 51% from $2.21B a quarter earlier.

Buyers outnumbered sellers: 109 funds opened new OLN positions and 58 closed out — a net gain of 51 holders — while 147 added to existing stakes and 86 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $58.4M. The largest seller was Orbis Allan Gray, exiting entirely with an estimated $79.2M sold.

  • 417 institutional investors held Olin (OLN) as of Q1 2026, up from 377 in Q4 2025.
  • Funds reported $3.34B of Olin stock for Q1 2026, up 51% quarter-over-quarter.
  • 109 funds opened new Olin positions in Q1 2026 and 58 closed out, a net change of +51 holders.
  • The largest Olin buyer in Q1 2026 was Goldman Sachs, an estimated $58.4M added.
  • The largest Olin seller in Q1 2026 was Orbis Allan Gray, an estimated $79.2M sold.

Based on aggregated 13F filings for Q1 2026.