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 | $23.2M | Buy |
408,850
+43,375
| +12% | +$2.2M | ﹤0.01% | 1645 |
|
|
2025
Q4 | $18.2M | Buy |
365,475
+255,175
| +231% | +$13.3M | ﹤0.01% | 1700 |
|
|
2025
Q3 | $5.96M | Buy |
110,300
+95,975
| +670% | +$5.87M | ﹤0.01% | 3169 |
|
|
2025
Q2 | $963K | Buy |
14,325
+10,425
| +267% | +$922K | ﹤0.01% | 5689 |
|
|
2025
Q1 | $398K | Sell |
3,900
-9,150
| -70% | -$825K | ﹤0.01% | 7279 |
|
|
2024
Q4 | $1.18M | Buy |
13,050
+3,410
| +35% | +$309K | ﹤0.01% | 5064 |
|
|
2024
Q3 | $934K | Buy |
+9,640
| New | +$1.07M | ﹤0.01% | 6027 |
|
|
2022
Q2 | – | Sell |
-8,965
| Closed | -$2.39M | – | 10812 |
|
|
2022
Q1 | $2.39M | Sell |
8,965
-3,260
| -27% | -$956K | ﹤0.01% | 4402 |
|
|
2021
Q4 | $3.04M | Buy |
12,225
+5,945
| +95% | +$1.69M | ﹤0.01% | 3653 |
|
|
2021
Q3 | $2.2M | Buy |
6,280
+99
| +2% | +$32.7K | ﹤0.01% | 4285 |
|
|
2021
Q2 | $2.25M | Buy |
6,181
+899
| +17% | +$360K | ﹤0.01% | 4100 |
|
|
2021
Q1 | $2.5M | Buy |
5,282
+3,537
| +203% | +$1.87M | ﹤0.01% | 3605 |
|
|
2020
Q4 | $1.03M | Buy |
1,745
+657
| +60% | +$472K | ﹤0.01% | 4600 |
|
|
2020
Q3 | $947K | Buy |
1,088
+599
| +122% | +$563K | ﹤0.01% | 4180 |
|
|
2020
Q2 | $577K | Sell |
489
-1,004
| -67% | -$1.53M | ﹤0.01% | 4855 |
|
|
2020
Q1 | $3.6M | Buy |
1,493
+11
| +0.7% | +$24.7K | ﹤0.01% | 1448 |
|
|
2019
Q4 | $2.97M | Sell |
1,482
-5,206
| -78% | -$12.1M | ﹤0.01% | 1518 |
|
|
2019
Q3 | $17.4M | Buy |
6,688
+816
| +14% | +$2.2M | 0.03% | 396 |
|
|
2019
Q2 | $16.3M | Sell |
5,872
-2,584
| -31% | -$7.73M | 0.03% | 435 |
|
|
2019
Q1 | $26.7M | Sell |
8,456
-1,588
| -16% | -$5.75M | 0.04% | 327 |
|
|
2018
Q4 | $46.7M | Buy |
10,044
+1,591
| +19% | +$6.32M | 0.1% | 143 |
|
|
2018
Q3 | $27.2M | Buy |
8,453
+6,942
| +459% | +$24.1M | 0.05% | 253 |
|
|
2018
Q2 | $6.04M | Buy |
1,511
+575
| +61% | +$2.37M | 0.01% | 896 |
|
|
2018
Q1 | $4.18M | Buy |
936
+788
| +532% | +$3.3M | 0.01% | 1115 |
|
|
2017
Q4 | $671K | Sell |
148
-111
| -43% | -$553K | ﹤0.01% | 2835 |
|
|
2017
Q3 | $1.43M | Sell |
259
-55
| -18% | -$325K | ﹤0.01% | 1930 |
|
|
2017
Q2 | $1.96M | Sell |
314
-219
| -41% | -$1.43M | 0.01% | 1516 |
|
|
2017
Q1 | $3.65M | Sell |
533
-144
| -21% | -$1.05M | 0.02% | 915 |
|
|
2016
Q4 | $5.53M | Buy |
677
+153
| +29% | +$1.37M | 0.02% | 601 |
|
|
2016
Q3 | $4.85M | Sell |
524
-188
| -26% | -$1.78M | 0.02% | 607 |
|
|
2016
Q2 | $7.47M | Sell |
712
-132
| -16% | -$1.47M | 0.04% | 444 |
|
|
2016
Q1 | $9.78M | Buy |
844
+338
| +67% | +$4.76M | 0.05% | 306 |
|
|
2015
Q4 | $6.42M | Buy |
506
+64
| +14% | +$824K | 0.04% | 401 |
|
|
2015
Q3 | $7.12M | Buy |
442
+184
| +71% | +$2.65M | 0.04% | 352 |
|
|
2015
Q2 | $3.64M | Buy |
258
+70
| +37% | +$946K | 0.02% | 632 |
|
|
2015
Q1 | $2.7M | Sell |
188
-119
| -39% | -$1.76M | 0.02% | 683 |
|
|
2014
Q4 | $4.67M | Buy |
307
+70
| +30% | +$1.18M | 0.04% | 355 |
|
|
2014
Q3 | $4.29M | Buy |
237
+75
| +46% | +$1.37M | 0.04% | 324 |
|
|
2014
Q2 | $3.08M | Buy |
162
+96
| +145% | +$2.03M | 0.04% | 382 |
|
|
2014
Q1 | $1.49M | Buy |
66
+29
| +78% | +$705K | 0.02% | 705 |
|
|
2013
Q4 | $900K | Buy |
37
+10
| +37% | +$282K | 0.01% | 844 |
|
|
2013
Q3 | $894K | Sell |
27
-13
| -33% | -$444K | 0.01% | 1240 |
|
|
2013
Q2 | $1.6M | Buy |
+40
| New | +$1.6M | 0.03% | 560 |
|
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.