United States Oil Fund

USO

Market cap $2.25B

USO Hedge Fund Activity: Q1 2026 in Review

190 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in United States Oil Fund (USO) for Q1 2026, worth a combined $1.89B — up 726% from $229M a quarter earlier.

Buyers outnumbered sellers: 83 funds opened new USO positions and 29 closed out — a net gain of 54 holders — while 43 added to existing stakes and 29 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $458M. The largest seller was Harvest Fund Management, cutting an estimated $6.9M.

• 190 institutional investors held United States Oil Fund (USO) as of Q1 2026, up from 141 in Q4 2025.
• Funds reported $1.89B of United States Oil Fund stock for Q1 2026, up 726% quarter-over-quarter.
• 83 funds opened new United States Oil Fund positions in Q1 2026 and 29 closed out, a net change of +54 holders.
• The largest United States Oil Fund buyer in Q1 2026 was Goldman Sachs, an estimated $458M added.
• The largest United States Oil Fund seller in Q1 2026 was Harvest Fund Management, an estimated $6.9M sold.

Based on aggregated 13F filings for Q1 2026.