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
Q2 		$11.5M Buy
347,700
+128,400
+59% +$5.52M ﹤0.01% 2693
2026
Q1 		$8.62M Buy
219,300
+110,800
+102% +$3.08M ﹤0.01% 2727
2025
Q4 		$2.1M Sell
108,500
-106,600
-50% -$2.19M ﹤0.01% 4729
2025
Q3 		$4.84M Buy
215,100
+75,800
+54% +$1.78M ﹤0.01% 3469
2025
Q2 		$3.12M Sell
139,300
-5,400
-4% -$119K ﹤0.01% 3696
2025
Q1 		$3.92M Sell
144,700
-42,600
-23% -$1.16M ﹤0.01% 3295
2024
Q4 		$5.15M Sell
187,300
-294,700
-61% -$7.83M ﹤0.01% 2615
2024
Q3 		$12.3M Buy
+482,000
New +$14.1M ﹤0.01% 1701
2022
Q2 		– Sell
-351,200
Closed -$13.5M – 10926
2022
Q1 		$13.5M Buy
351,200
+157,200
+81% +$5.07M ﹤0.01% 1634
2021
Q4 		$4.21M Sell
194,000
-32,400
-14% -$718K ﹤0.01% 3121
2021
Q3 		$4.77M Sell
226,400
-24,400
-10% -$455K ﹤0.01% 2817
2021
Q2 		$4.91M Sell
250,800
-67,200
-21% -$1.1M ﹤0.01% 2664
2021
Q1 		$4.2M Sell
318,000
-623,216
-66% -$7.83M ﹤0.01% 2665
2020
Q4 		$8.53M Sell
941,216
-1,288,608
-58% -$9.73M ﹤0.01% 1563
2020
Q3 		$15.9M Buy
2,229,824
+1,478,976
+197% +$11.4M 0.01% 906
2020
Q2 		$5.38M Buy
750,848
+632,784
+536% +$4.43M ﹤0.01% 1766
2020
Q1 		$1.17M Buy
118,064
+31,312
+36% +$2.39M ﹤0.01% 2611
2019
Q4 		$11.1M Buy
86,752
+18,576
+27% +$2.06M 0.02% 594
2019
Q3 		$6.91M Buy
68,176
+24,544
+56% +$2.75M 0.01% 777
2019
Q2 		$5.27M Buy
43,632
+28,512
+189% +$3.8M 0.01% 1009
2019
Q1 		$2.04M Buy
15,120
+8,112
+116% +$939K ﹤0.01% 2012
2018
Q4 		$583K Buy
7,008
+3,616
+107% +$544K ﹤0.01% 3272
2018
Q3 		$762K Buy
3,392
+688
+25% +$135K ﹤0.01% 3098
2018
Q2 		$581K Sell
2,704
-7,792
-74% -$1.46M ﹤0.01% 3427
2018
Q1 		$1.8M Sell
10,496
-14,432
-58% -$2.32M ﹤0.01% 1973
2017
Q4 		$3.65M Sell
24,928
-1,800
-7% -$226K 0.01% 1078
2017
Q3 		$2.98M Buy
26,728
+23,248
+668% +$2.31M 0.01% 1255
2017
Q2 		$323K Sell
3,480
-44,952
-93% -$4.71M ﹤0.01% 3528
2017
Q1 		$5.76M Buy
48,432
+38,664
+396% +$5.01M 0.03% 632
2016
Q4 		$1.43M Sell
9,768
-5,688
-37% -$747K 0.01% 1648
2016
Q3 		$2M Sell
15,456
-6,200
-29% -$762K 0.01% 1205
2016
Q2 		$3.31M Buy
21,656
+3,288
+18% +$476K 0.02% 869
2016
Q1 		$2.04M Sell
18,368
-4,538
-20% -$491K 0.01% 1159
2015
Q4 		$3.59M Buy
22,906
+7,885
+52% +$1.86M 0.02% 665
2015
Q3 		$4.26M Buy
15,021
+14,418
+2,391% +$4.76M 0.03% 517
2015
Q2 		$341K Sell
603
-5,275
-90% -$3.02M ﹤0.01% 2673
2015
Q1 		$2.5M Buy
5,878
+4,403
+299% +$2.18M 0.02% 731
2014
Q4 		$956K Buy
1,475
+1,078
+272% +$1.35M 0.01% 1060
2014
Q3 		$752K Buy
+397
New +$835K 0.01% 1121
2014
Q2 		– Sell
-677
Closed -$1.46M – 3136
2014
Q1 		$1.46M Buy
+677
New +$1.36M 0.02% 719
2013
Q4 		– Sell
-118
Closed -$257K – 2909
2013
Q3 		$257K Sell
118
-706
-86% -$1.61M ﹤0.01% 2215
2013
Q2 		$1.55M Buy
+824
New +$1.51M 0.03% 581

Other funds holding UCO

Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $11.7B AUM 87.29% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
QFA
Quantum Financial Advisors El Segundo, California $1.01B AUM 23.7% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Jane Street's UCO Position: Q2 2026 in Review

Jane Street sold out of ProShares Ultra Bloomberg Crude Oil (UCO) in Q2 2026, closing a stake of 23,460 shares — an estimated $1.01M sold.

Jane Street first reported a position in UCO in Q4 2013 and held it in 45 quarters. The position peaked at $30M in Q4 2022. 35 funds tracked by Wall St. Rank hold UCO as of Q2 2026.

  • Jane Street reported no remaining ProShares Ultra Bloomberg Crude Oil position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 23,460 ProShares Ultra Bloomberg Crude Oil shares in Q2 2026, an estimated $1.01M.
  • Jane Street first reported a position in ProShares Ultra Bloomberg Crude Oil in Q4 2013 and held it in 45 quarters.
  • Jane Street's ProShares Ultra Bloomberg Crude Oil position peaked at $30M in Q4 2022.
  • 35 funds tracked by Wall St. Rank held ProShares Ultra Bloomberg Crude Oil as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.