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 | $759K | Buy |
+19,100
| New | +$701K | ﹤0.01% | 7103 |
|
|
2025
Q3 | – | Sell |
-6,000
| Closed | -$411K | – | 11723 |
|
|
2025
Q2 | $411K | Buy |
6,000
+3,700
| +161% | +$329K | ﹤0.01% | 7300 |
|
|
2025
Q1 | $228K | Buy |
+2,300
| New | +$184K | ﹤0.01% | 8260 |
|
|
2024
Q4 | – | Sell |
-2,875
| Closed | -$230K | – | 10532 |
|
|
2024
Q3 | $230K | Buy |
+2,875
| New | +$266K | ﹤0.01% | 8441 |
|
|
2022
Q2 | – | Sell |
-6,400
| Closed | -$1.22M | – | 10820 |
|
|
2022
Q1 | $1.22M | Sell |
6,400
-21,010
| -77% | -$4.37M | ﹤0.01% | 5728 |
|
|
2021
Q4 | $4.61M | Buy |
27,410
+4,435
| +19% | +$754K | ﹤0.01% | 2990 |
|
|
2021
Q3 | $4.43M | Buy |
22,975
+11,948
| +108% | +$2.3M | ﹤0.01% | 2932 |
|
|
2021
Q2 | $1.98M | Sell |
11,027
-9,336
| -46% | -$1.84M | ﹤0.01% | 4353 |
|
|
2021
Q1 | $4.36M | Buy |
20,363
+19,438
| +2,101% | +$4.69M | ﹤0.01% | 2598 |
|
|
2020
Q4 | $322K | Sell |
925
-3,158
| -77% | -$1.7M | ﹤0.01% | 6300 |
|
|
2020
Q3 | $3.51M | Buy |
4,083
+576
| +16% | +$518K | ﹤0.01% | 2251 |
|
|
2020
Q2 | $3.77M | Buy |
+3,507
| New | +$6.08M | ﹤0.01% | 2200 |
|
|
2019
Q3 | – | Sell |
-174
| Closed | -$407K | – | 5716 |
|
|
2019
Q2 | $407K | Sell |
174
-13
| -7% | -$32.2K | ﹤0.01% | 3839 |
|
|
2019
Q1 | $477K | Buy |
+187
| New | +$520K | ﹤0.01% | 3736 |
|
|
2017
Q4 | – | Sell |
-222
| Closed | -$799K | – | 5144 |
|
|
2017
Q3 | $799K | Buy |
222
+155
| +231% | +$663K | ﹤0.01% | 2538 |
|
|
2017
Q2 | $290K | Sell |
67
-216
| -76% | -$1,000K | ﹤0.01% | 3627 |
|
|
2017
Q1 | $1.35M | Sell |
283
-37
| -12% | -$184K | 0.01% | 1744 |
|
|
2016
Q4 | $1.68M | Buy |
320
+19
| +6% | +$123K | 0.01% | 1482 |
|
|
2016
Q3 | $2.13M | Sell |
301
-139
| -32% | -$1.08M | 0.01% | 1154 |
|
|
2016
Q2 | $4.17M | Buy |
+440
| New | +$4.59M | 0.02% | 730 |
|
|
2016
Q1 | – | Sell |
-20
| Closed | -$232K | – | 4611 |
|
|
2015
Q4 | $232K | Buy |
20
+4
| +25% | +$45.4K | ﹤0.01% | 3408 |
|
|
2015
Q3 | $217K | Buy |
+16
| New | +$182K | ﹤0.01% | 3112 |
|
|
2015
Q2 | – | Sell |
-23
| Closed | -$243K | – | 4017 |
|
|
2015
Q1 | $243K | Buy |
23
+6
| +35% | +$70.9K | ﹤0.01% | 2707 |
|
|
2014
Q4 | $204K | Sell |
17
-54
| -76% | -$801K | ﹤0.01% | 2214 |
|
|
2014
Q3 | $1.24M | Buy |
+71
| New | +$1.1M | 0.01% | 818 |
|
|
2014
Q1 | – | Sell |
-12
| Closed | -$205K | – | 3045 |
|
|
2013
Q4 | $205K | Buy |
12
+4
| +50% | +$80.8K | ﹤0.01% | 2003 |
|
|
2013
Q3 | $183K | Sell |
8
-2
| -20% | -$51.4K | ﹤0.01% | 2445 |
|
|
2013
Q2 | $305K | Buy |
+10
| New | +$347K | 0.01% | 1869 |
|
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.