Mariner
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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
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
CBU
CIBC Bancorp USA Chicago, Illinois $82.3B AUM
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
CIBC World Market
CIBC World Market Toronto, Ontario, Canada $62.3B AUM 44.64% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $11.7B AUM 87.29% 1-Year Est. Return

Mariner's USO Position: Q2 2026 in Review

Mariner reduced its United States Oil Fund (USO) stake by 41% in Q2 2026, selling an estimated $821K and leaving 8,950 shares worth $953K. The position accounts for ﹤0.01% of the portfolio, ranked #1987.

Mariner first reported a position in USO in Q2 2015 and has held it in 17 quarters since. The position peaked at $1.94M in Q1 2026. 173 funds tracked by Wall St. Rank hold USO as of Q2 2026.

  • Mariner held 8,950 shares of United States Oil Fund worth $953K as of Q2 2026.
  • Mariner sold 6,268 United States Oil Fund shares in Q2 2026, an estimated $821K.
  • United States Oil Fund made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1987 holding.
  • Mariner first reported a position in United States Oil Fund in Q2 2015 and has held it in 17 quarters since.
  • Mariner's United States Oil Fund position peaked at $1.94M in Q1 2026.
  • 173 funds tracked by Wall St. Rank held United States Oil Fund as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.