Jane Street
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Jane Street’s ProShares Ultra Bloomberg Crude Oil UCO Stock Holding History

Jane Street’s Portfolio UCO Stock Details UCO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$922K Buy
+23,460
New +$651K ﹤0.01% 6696
2025
Q4 		– Sell
-34,100
Closed -$699K – 12431
2025
Q3 		$767K Buy
34,100
+5,662
+20% +$133K ﹤0.01% 6888
2025
Q2 		$637K Sell
28,438
-201,876
-88% -$4.44M ﹤0.01% 6490
2025
Q1 		$6.23M Buy
230,314
+12,272
+6% +$334K ﹤0.01% 2599
2024
Q4 		$6M Buy
218,042
+104,183
+92% +$2.77M ﹤0.01% 2441
2024
Q3 		$2.89M Buy
113,859
+28,312
+33% +$829K ﹤0.01% 3789
2024
Q2 		$2.87M Sell
85,547
-188,524
-69% -$6.12M ﹤0.01% 3887
2024
Q1 		$9.04M Sell
274,071
-539,003
-66% -$15.7M ﹤0.01% 1923
2023
Q4 		$21.2M Buy
813,074
+791,596
+3,686% +$23.9M 0.01% 1222
2023
Q3 		$758K Sell
21,478
-888,915
-98% -$27.5M ﹤0.01% 5590
2023
Q2 		$21.5M Buy
910,393
+552,850
+155% +$13.9M 0.01% 1140
2023
Q1 		$9.46M Sell
357,543
-633,624
-64% -$17.3M ﹤0.01% 1704
2022
Q4 		$30M Buy
991,167
+965,210
+3,718% +$29.1M 0.01% 757
2022
Q3 		$681K Sell
25,957
-5,902
-19% -$202K ﹤0.01% 6109
2022
Q2 		$1.33M Sell
31,859
-265,409
-89% -$11.7M ﹤0.01% 4946
2022
Q1 		$11.4M Sell
297,268
-142,552
-32% -$4.59M ﹤0.01% 1829
2021
Q4 		$9.54M Buy
439,820
+406,448
+1,218% +$9.01M ﹤0.01% 1937
2021
Q3 		$703K Sell
33,372
-2,948
-8% -$55K ﹤0.01% 6637
2021
Q2 		$710K Buy
+36,320
New +$593K ﹤0.01% 6563
2021
Q1 		– Sell
-1,065,772
Closed -$13.4M – 9612
2020
Q4 		$9.66M Sell
1,065,772
-2,169,132
-67% -$16.4M ﹤0.01% 1439
2020
Q3 		$23M Buy
3,234,904
+3,186,196
+6,541% +$24.5M 0.01% 697
2020
Q2 		$349K Sell
48,708
-172,882
-78% -$1.21M ﹤0.01% 5616
2020
Q1 		$2.2M Buy
221,590
+213,699
+2,708% +$16.3M ﹤0.01% 1928
2019
Q4 		$1.01M Buy
+7,891
New +$877K ﹤0.01% 2772
2019
Q2 		– Sell
-12,177
Closed -$1.62M – 5760
2019
Q1 		$1.64M Sell
12,177
-14,562
-54% -$1.69M ﹤0.01% 2239
2018
Q4 		$2.22M Sell
26,739
-43,538
-62% -$6.54M ﹤0.01% 1607
2018
Q3 		$15.8M Buy
70,277
+50,202
+250% +$9.82M 0.03% 404
2018
Q2 		$4.31M Sell
20,075
-30,395
-60% -$5.68M 0.01% 1177
2018
Q1 		$8.68M Buy
50,470
+46,607
+1,206% +$7.48M 0.02% 605
2017
Q4 		$566K Sell
3,863
-10,121
-72% -$1.27M ﹤0.01% 3022
2017
Q3 		$1.56M Sell
13,984
-80,157
-85% -$7.98M 0.01% 1839
2017
Q2 		$8.74M Buy
94,141
+4,954
+6% +$519K 0.03% 518
2017
Q1 		$10.6M Buy
89,187
+68,231
+326% +$8.84M 0.05% 366
2016
Q4 		$3.06M Sell
20,956
-54,680
-72% -$7.18M 0.01% 985
2016
Q3 		$9.81M Buy
75,636
+64,157
+559% +$7.89M 0.05% 318
2016
Q2 		$1.75M Buy
+11,479
New +$1.66M 0.01% 1408
2016
Q1 		– Sell
-78,066
Closed -$8.45M – 4668
2015
Q4 		$12.2M Buy
78,066
+69,652
+828% +$16.4M 0.08% 226
2015
Q3 		$2.38M Buy
8,414
+6,001
+249% +$1.98M 0.01% 838
2015
Q2 		$1.36M Sell
2,413
-500
-17% -$286K 0.01% 1292
2015
Q1 		$1.24M Buy
2,913
+1,563
+116% +$773K 0.01% 1212
2014
Q4 		$875K Buy
1,350
+408
+43% +$510K 0.01% 1116
2014
Q3 		$1.79M Buy
942
+811
+619% +$1.7M 0.02% 651
2014
Q2 		$320K Sell
131
-528
-80% -$1.2M ﹤0.01% 1791
2014
Q1 		$1.42M Buy
659
+508
+336% +$1.02M 0.02% 731
2013
Q4 		$304K Buy
+151
New +$300K ﹤0.01% 1639

Other funds holding UCO

Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $8.4B AUM 63.34% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
QFA
Quantum Financial Advisors El Segundo, California $1.01B AUM 23.7% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
SWM
Spire Wealth Management Mclean, Virginia $3.31B AUM 38.78% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Jane Street's UCO Position: Q1 2026 in Review

Jane Street opened a new position in ProShares Ultra Bloomberg Crude Oil (UCO) in Q1 2026: 23,460 shares worth $922K. The stake represents ﹤0.01% of the portfolio and ranks #6696 among its holdings. This is a return to the name: Jane Street previously reported a position in UCO as recently as Q3 2025.

Jane Street first reported a position in UCO in Q4 2013 and has held it in 45 quarters since. The position peaked at $30M in Q4 2022. 42 funds tracked by Wall St. Rank hold UCO as of Q1 2026.

  • Jane Street held 23,460 shares of ProShares Ultra Bloomberg Crude Oil worth $922K as of Q1 2026.
  • ProShares Ultra Bloomberg Crude Oil was a new Jane Street position in Q1 2026.
  • ProShares Ultra Bloomberg Crude Oil made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6696 holding.
  • Jane Street first reported a position in ProShares Ultra Bloomberg Crude Oil in Q4 2013 and has held it in 45 quarters since.
  • Jane Street's ProShares Ultra Bloomberg Crude Oil position peaked at $30M in Q4 2022.
  • 42 funds tracked by Wall St. Rank held ProShares Ultra Bloomberg Crude Oil as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.