Jane Street’s ProShares UltraPro Short Russell2000 SRTY Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $332K | Buy |
+8,360
| New | +$307K | ﹤0.01% | 9002 |
|
|
2025
Q4 | – | Sell |
-6,122
| Closed | -$288K | – | 12324 |
|
|
2025
Q3 | $288K | Buy |
+6,122
| New | +$349K | ﹤0.01% | 8979 |
|
|
2025
Q2 | – | Sell |
-3,026
| Closed | -$269K | – | 10830 |
|
|
2025
Q1 | $299K | Sell |
3,026
-4,766
| -61% | -$381K | ﹤0.01% | 7799 |
|
|
2024
Q4 | $586K | Sell |
7,792
-2,401
| -24% | -$173K | ﹤0.01% | 6443 |
|
|
2024
Q3 | $815K | Buy |
10,193
+2,946
| +41% | +$273K | ﹤0.01% | 6280 |
|
|
2024
Q2 | $806K | Sell |
7,247
-6,643
| -48% | -$760K | ﹤0.01% | 6194 |
|
|
2024
Q1 | $1.41M | Buy |
+13,890
| New | +$1.7M | ﹤0.01% | 4770 |
|
|
2023
Q4 | – | Sell |
-16,226
| Closed | -$3.08M | – | 9775 |
|
|
2023
Q3 | $3.08M | Buy |
+16,226
| New | +$2.62M | ﹤0.01% | 3331 |
|
|
2023
Q2 | – | Sell |
-12,927
| Closed | -$2.49M | – | 9527 |
|
|
2023
Q1 | $2.49M | Buy |
12,927
+1,057
| +9% | +$194K | ﹤0.01% | 3451 |
|
|
2022
Q4 | $2.57M | Buy |
11,870
+6,438
| +119% | +$1.39M | ﹤0.01% | 3458 |
|
|
2022
Q3 | $1.54M | Sell |
5,432
-5,690
| -51% | -$1.29M | ﹤0.01% | 4631 |
|
|
2022
Q2 | $3.21M | Buy |
11,122
+7,386
| +198% | +$1.84M | ﹤0.01% | 3331 |
|
|
2022
Q1 | $712K | Buy |
3,736
+1,476
| +65% | +$307K | ﹤0.01% | 6813 |
|
|
2021
Q4 | $380K | Buy |
2,260
+1,568
| +227% | +$266K | ﹤0.01% | 7746 |
|
|
2021
Q3 | $134K | Buy |
+692
| New | +$133K | ﹤0.01% | 9133 |
|
|
2021
Q1 | – | Sell |
-450
| Closed | -$109K | – | 9573 |
|
|
2020
Q4 | $157K | Buy |
+450
| New | +$243K | ﹤0.01% | 7062 |
|
|
2020
Q2 | – | Sell |
-69
| Closed | -$120K | – | 7566 |
|
|
2020
Q1 | $210K | Buy |
+69
| New | +$170K | ﹤0.01% | 4601 |
|
|
2019
Q4 | – | Sell |
-97
| Closed | -$235K | – | 5711 |
|
|
2019
Q3 | $235K | Sell |
97
-300
| -76% | -$732K | ﹤0.01% | 4454 |
|
|
2019
Q2 | $930K | Sell |
397
-194
| -33% | -$480K | ﹤0.01% | 2793 |
|
|
2019
Q1 | $1.51M | Buy |
591
+510
| +630% | +$1.42M | ﹤0.01% | 2337 |
|
|
2018
Q4 | $320K | Buy |
+81
| New | +$251K | ﹤0.01% | 3992 |
|
|
2018
Q3 | – | Sell |
-184
| Closed | -$406K | – | 5678 |
|
|
2018
Q2 | $450K | Buy |
184
+63
| +52% | +$168K | ﹤0.01% | 3695 |
|
|
2018
Q1 | $379K | Buy |
+121
| New | +$371K | ﹤0.01% | 3778 |
|
|
2016
Q4 | – | Sell |
-61
| Closed | -$396K | – | 4589 |
|
|
2016
Q3 | $432K | Buy |
61
+36
| +144% | +$280K | ﹤0.01% | 2925 |
|
|
2016
Q2 | $237K | Buy |
+25
| New | +$261K | ﹤0.01% | 3571 |
|
|
2015
Q3 | – | Sell |
-43
| Closed | -$489K | – | 4117 |
|
|
2015
Q2 | $435K | Buy |
+43
| New | +$438K | ﹤0.01% | 2433 |
|
Other funds holding SRTY
RCM
SCM
JF
NL
GS
TSS
Jane Street's SRTY Position: Q1 2026 in Review
Jane Street opened a new position in ProShares UltraPro Short Russell2000 (SRTY) in Q1 2026: 8,360 shares worth $332K. The stake represents ﹤0.01% of the portfolio and ranks #9002 among its holdings. This is a return to the name: Jane Street previously reported a position in SRTY as recently as Q3 2025.
Jane Street first reported a position in SRTY in Q2 2015 and has held it in 26 quarters since. The position peaked at $3.21M in Q2 2022. 17 funds tracked by Wall St. Rank hold SRTY as of Q1 2026.
- Jane Street held 8,360 shares of ProShares UltraPro Short Russell2000 worth $332K as of Q1 2026.
- ProShares UltraPro Short Russell2000 was a new Jane Street position in Q1 2026.
- ProShares UltraPro Short Russell2000 made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9002 holding.
- Jane Street first reported a position in ProShares UltraPro Short Russell2000 in Q2 2015 and has held it in 26 quarters since.
- Jane Street's ProShares UltraPro Short Russell2000 position peaked at $3.21M in Q2 2022.
- 17 funds tracked by Wall St. Rank held ProShares UltraPro Short Russell2000 as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.