Mariner’s United States Oil Fund USO Stock Holding History

Mariner’s Portfolio USO Stock Details USO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-1,250	Closed	-$2K	–	897
2018 Q3	$2K	Buy	+1,250	New	+$144K	﹤0.01%	807
2017 Q2	–	Sell	-2,938	Closed	-$12K	–	564
2017 Q1	$12K	Buy	+2,938	New	+$260K	﹤0.01%	587

Other funds holding USO

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

CBU

CIBC Bancorp USA Chicago, Illinois $74.4B AUM

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Quadrature Capital London, United Kingdom $8.4B AUM 63.34% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Mariner's USO Position: Q1 2026 in Review

Mariner increased its United States Oil Fund (USO) stake by 74% in Q1 2026, buying an estimated $573K and bringing the position to 15,218 shares worth $1.94M. The position accounts for ﹤0.01% of the portfolio, ranked #1534.

Mariner first reported a position in USO in Q2 2015 and has held it in 16 quarters since. 190 funds tracked by Wall St. Rank hold USO as of Q1 2026.

Mariner held 15,218 shares of United States Oil Fund worth $1.94M as of Q1 2026.
Mariner bought 6,470 United States Oil Fund shares in Q1 2026, an estimated $573K.
United States Oil Fund made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1534 holding.
Mariner first reported a position in United States Oil Fund in Q2 2015 and has held it in 16 quarters since.
190 funds tracked by Wall St. Rank held United States Oil Fund as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.