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 | $6.34M | Buy |
111,800
+26,140
| +31% | +$1.32M | ﹤0.01% | 3153 |
|
|
2025
Q4 | $4.26M | Buy |
85,660
+57,200
| +201% | +$2.97M | ﹤0.01% | 3482 |
|
|
2025
Q3 | $1.54M | Buy |
28,460
+8,550
| +43% | +$523K | ﹤0.01% | 5426 |
|
|
2025
Q2 | $1.34M | Sell |
19,910
-20,425
| -51% | -$1.81M | ﹤0.01% | 5092 |
|
|
2025
Q1 | $4.12M | Buy |
40,335
+20,875
| +107% | +$1.88M | ﹤0.01% | 3221 |
|
|
2024
Q4 | $1.75M | Sell |
19,460
-350
| -2% | -$31.7K | ﹤0.01% | 4351 |
|
|
2024
Q3 | $1.92M | Buy |
+19,810
| New | +$2.19M | ﹤0.01% | 4557 |
|
|
2022
Q2 | – | Sell |
-13,615
| Closed | -$3.63M | – | 10811 |
|
|
2022
Q1 | $3.63M | Buy |
13,615
+5,555
| +69% | +$1.63M | ﹤0.01% | 3589 |
|
|
2021
Q4 | $2.01M | Sell |
8,060
-68,655
| -89% | -$19.5M | ﹤0.01% | 4487 |
|
|
2021
Q3 | $26.9M | Buy |
76,715
+69,910
| +1,027% | +$23.1M | 0.01% | 936 |
|
|
2021
Q2 | $2.48M | Sell |
6,805
-622
| -8% | -$249K | ﹤0.01% | 3911 |
|
|
2021
Q1 | $3.52M | Buy |
7,427
+1,443
| +24% | +$764K | ﹤0.01% | 2953 |
|
|
2020
Q4 | $3.54M | Sell |
5,984
-10,624
| -64% | -$7.63M | ﹤0.01% | 2576 |
|
|
2020
Q3 | $14.4M | Sell |
16,608
-3,488
| -17% | -$3.28M | 0.01% | 952 |
|
|
2020
Q2 | $23.7M | Buy |
20,096
+13,831
| +221% | +$21.1M | 0.02% | 666 |
|
|
2020
Q1 | $15.1M | Buy |
6,265
+5,423
| +644% | +$12.2M | 0.01% | 560 |
|
|
2019
Q4 | $1.69M | Sell |
842
-2,609
| -76% | -$6.09M | ﹤0.01% | 2143 |
|
|
2019
Q3 | $8.97M | Buy |
3,451
+3,057
| +776% | +$8.25M | 0.01% | 650 |
|
|
2019
Q2 | $1.1M | Sell |
394
-1,203
| -75% | -$3.6M | ﹤0.01% | 2580 |
|
|
2019
Q1 | $5.04M | Buy |
1,597
+316
| +25% | +$1.14M | 0.01% | 1144 |
|
|
2018
Q4 | $5.96M | Sell |
1,281
-330
| -20% | -$1.31M | 0.01% | 834 |
|
|
2018
Q3 | $5.19M | Sell |
1,611
-268
| -14% | -$931K | 0.01% | 1005 |
|
|
2018
Q2 | $7.52M | Buy |
1,879
+1,314
| +233% | +$5.41M | 0.02% | 770 |
|
|
2018
Q1 | $2.52M | Sell |
565
-2,285
| -80% | -$9.56M | 0.01% | 1594 |
|
|
2017
Q4 | $13M | Buy |
2,850
+15
| +0.5% | +$74.8K | 0.04% | 415 |
|
|
2017
Q3 | $15.6M | Buy |
2,835
+1,424
| +101% | +$8.41M | 0.05% | 346 |
|
|
2017
Q2 | $8.83M | Buy |
1,411
+1,284
| +1,011% | +$8.37M | 0.03% | 508 |
|
|
2017
Q1 | $868K | Sell |
127
-77
| -38% | -$560K | ﹤0.01% | 2227 |
|
|
2016
Q4 | $1.67M | Sell |
204
-539
| -73% | -$4.83M | 0.01% | 1489 |
|
|
2016
Q3 | $6.88M | Sell |
743
-123
| -14% | -$1.17M | 0.03% | 441 |
|
|
2016
Q2 | $9.09M | Sell |
866
-1,075
| -55% | -$12M | 0.05% | 371 |
|
|
2016
Q1 | $22.5M | Sell |
1,941
-4,238
| -69% | -$59.7M | 0.13% | 152 |
|
|
2015
Q4 | $78.4M | Buy |
6,179
+1,753
| +40% | +$22.6M | 0.49% | 34 |
|
|
2015
Q3 | $71.3M | Buy |
4,426
+3,577
| +421% | +$51.6M | 0.45% | 36 |
|
|
2015
Q2 | $12M | Buy |
849
+473
| +126% | +$6.39M | 0.08% | 203 |
|
|
2015
Q1 | $5.41M | Sell |
376
-880
| -70% | -$13M | 0.04% | 374 |
|
|
2014
Q4 | $19.1M | Sell |
1,256
-450
| -26% | -$7.58M | 0.14% | 107 |
|
|
2014
Q3 | $31M | Buy |
1,706
+535
| +46% | +$9.81M | 0.32% | 55 |
|
|
2014
Q2 | $22.3M | Buy |
1,171
+954
| +440% | +$20.2M | 0.28% | 68 |
|
|
2014
Q1 | $4.88M | Buy |
217
+82
| +61% | +$1.99M | 0.05% | 248 |
|
|
2013
Q4 | $3.24M | Buy |
135
+31
| +30% | +$873K | 0.05% | 299 |
|
|
2013
Q3 | $3.44M | Buy |
104
+90
| +643% | +$3.07M | 0.04% | 343 |
|
|
2013
Q2 | $564K | Buy |
+14
| New | +$561K | 0.01% | 1336 |
|
Other funds holding SPXU
T2I
RAM
HF
JF
MWM
TRCT
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.