Jane Street’s ProShares UltraPro Short S&P 500 SPXU Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$5.56M Buy
97,969
+69,743
+247% +$3.53M ﹤0.01% 3356
2025
Q4
$1.4M Buy
+28,226
New +$1.47M ﹤0.01% 5449
2025
Q2
Sell
-79,797
Closed -$7.06M 10819
2025
Q1
$8.15M Buy
79,797
+60,647
+317% +$5.47M ﹤0.01% 2255
2024
Q4
$1.73M Sell
19,150
-494
-3% -$44.8K ﹤0.01% 4386
2024
Q3
$1.9M Sell
19,644
-6,710
-25% -$742K ﹤0.01% 4578
2024
Q2
$3.04M Buy
26,354
+20,355
+339% +$2.67M ﹤0.01% 3784
2024
Q1
$775K Buy
5,999
+3,076
+105% +$469K ﹤0.01% 5881
2023
Q4
$503K Sell
2,923
-15,107
-84% -$3.24M ﹤0.01% 6743
2023
Q3
$4.31M Buy
18,030
+4,743
+36% +$1.01M ﹤0.01% 2823
2023
Q2
$2.83M Buy
13,287
+12,192
+1,113% +$3.09M ﹤0.01% 3600
2023
Q1
$295K Sell
1,095
-10,628
-91% -$3.15M ﹤0.01% 7225
2022
Q4
$3.96M Sell
11,723
-18,091
-61% -$6.28M ﹤0.01% 2806
2022
Q3
$13.4M Buy
29,814
+28,437
+2,065% +$9.75M 0.01% 1433
2022
Q2
$557K Sell
1,377
-8,245
-86% -$2.84M ﹤0.01% 6535
2022
Q1
$2.57M Buy
9,622
+1,814
+23% +$532K ﹤0.01% 4266
2021
Q4
$1.94M Buy
+7,808
New +$2.22M ﹤0.01% 4553
2021
Q3
Sell
-1,215
Closed -$401K 10683
2021
Q2
$442K Buy
+1,215
New +$487K ﹤0.01% 7471
2021
Q1
Sell
-280
Closed -$148K 9567
2020
Q4
$166K Buy
+280
New +$201K ﹤0.01% 7037
2020
Q3
Sell
-321
Closed -$302K 7876
2020
Q2
$379K Sell
321
-3,878
-92% -$5.91M ﹤0.01% 5489
2020
Q1
$10.1M Buy
4,199
+2,781
+196% +$6.25M 0.01% 763
2019
Q4
$2.84M Buy
+1,418
New +$3.31M ﹤0.01% 1560
2019
Q3
Sell
-860
Closed -$2.32M 5711
2019
Q2
$2.39M Buy
+860
New +$2.57M ﹤0.01% 1720
2018
Q4
Sell
-226
Closed -$898K 5663
2018
Q3
$729K Sell
226
-22
-9% -$76.4K ﹤0.01% 3150
2018
Q2
$991K Buy
+248
New +$1.02M ﹤0.01% 2749
2018
Q1
Sell
-100
Closed -$419K 5361
2017
Q4
$456K Buy
+100
New +$498K ﹤0.01% 3288
2017
Q3
Sell
-225
Closed -$1.33M 5028
2017
Q2
$1.41M Buy
225
+121
+116% +$789K ﹤0.01% 1842
2017
Q1
$716K Buy
104
+11
+12% +$79.9K ﹤0.01% 2473
2016
Q4
$763K Sell
93
-69
-43% -$618K ﹤0.01% 2383
2016
Q3
$1.5M Buy
162
+108
+200% +$1.02M 0.01% 1501
2016
Q2
$562K Buy
+54
New +$603K ﹤0.01% 2643
2016
Q1
Sell
-42
Closed -$592K 4610
2015
Q4
$533K Sell
42
-103
-71% -$1.33M ﹤0.01% 2413
2015
Q3
$2.33M Buy
145
+103
+245% +$1.49M 0.01% 855
2015
Q2
$594K Sell
42
-49
-54% -$662K ﹤0.01% 2109
2015
Q1
$1.32M Buy
91
+77
+550% +$1.14M 0.01% 1158
2014
Q4
$213K Sell
14
-10
-42% -$168K ﹤0.01% 2173
2014
Q3
$442K Buy
+24
New +$440K ﹤0.01% 1550
2013
Q3
Sell
-136
Closed -$4.64M 3085
2013
Q2
$5.4M Buy
+136
New +$5.45M 0.09% 161

Other funds holding SPXU

Jane Street's SPXU Position: Q1 2026 in Review

Jane Street increased its ProShares UltraPro Short S&P 500 (SPXU) stake by 247% in Q1 2026, buying an estimated $3.53M and bringing the position to 97,969 shares worth $5.56M. The position accounts for ﹤0.01% of the portfolio, ranked #3356.

Jane Street first reported a position in SPXU in Q2 2013 and has held it in 37 quarters since. The position peaked at $13.4M in Q3 2022. 44 funds tracked by Wall St. Rank hold SPXU as of Q1 2026.

  • Jane Street held 97,969 shares of ProShares UltraPro Short S&P 500 worth $5.56M as of Q1 2026.
  • Jane Street bought 69,743 ProShares UltraPro Short S&P 500 shares in Q1 2026, an estimated $3.53M.
  • ProShares UltraPro Short S&P 500 made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #3356 holding.
  • Jane Street first reported a position in ProShares UltraPro Short S&P 500 in Q2 2013 and has held it in 37 quarters since.
  • Jane Street's ProShares UltraPro Short S&P 500 position peaked at $13.4M in Q3 2022.
  • 44 funds tracked by Wall St. Rank held ProShares UltraPro Short S&P 500 as of Q1 2026.

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