Jane Street
SRTY icon

Jane Street’s ProShares UltraPro Short Russell2000 SRTY Stock Holding History

Jane Street’s Portfolio SRTY Stock Details SRTY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-6,800
Closed -$270K – 13057
2026
Q1 		$270K Buy
+6,800
New +$249K ﹤0.01% 9453
2022
Q2 		– Sell
-1,635
Closed -$312K – 10821
2022
Q1 		$312K Sell
1,635
-1,065
-39% -$221K ﹤0.01% 8337
2021
Q4 		$454K Buy
2,700
+505
+23% +$85.8K ﹤0.01% 7446
2021
Q3 		$424K Buy
2,195
+595
+37% +$115K ﹤0.01% 7588
2021
Q2 		$287K Buy
1,600
+538
+51% +$106K ﹤0.01% 8221
2021
Q1 		$227K Buy
+1,062
New +$256K ﹤0.01% 8102
2020
Q4 		– Sell
-584
Closed -$502K – 8084
2020
Q3 		$502K Buy
+584
New +$526K ﹤0.01% 5150
2019
Q3 		– Sell
-172
Closed -$402K – 5717
2019
Q2 		$402K Buy
172
+39
+29% +$96.5K ﹤0.01% 3855
2019
Q1 		$339K Buy
+133
New +$370K ﹤0.01% 4120
2018
Q4 		– Sell
-180
Closed -$395K – 5672
2018
Q3 		$395K Sell
180
-8
-4% -$17.7K ﹤0.01% 3896
2018
Q2 		$461K Buy
188
+61
+48% +$162K ﹤0.01% 3663
2018
Q1 		$396K Sell
127
-2,118
-94% -$6.5M ﹤0.01% 3729
2017
Q4 		$7.26M Buy
2,245
+75
+3% +$258K 0.02% 655
2017
Q3 		$7.81M Buy
+2,170
New +$9.28M 0.03% 615
2016
Q3 		– Sell
-57
Closed -$535K – 4507
2016
Q2 		$535K Buy
57
+1
+2% +$10.4K ﹤0.01% 2701
2016
Q1 		$627K Buy
+56
New +$813K ﹤0.01% 2358

Other funds holding SRTY

JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.5B AUM 33.95% 1-Year Est. Return
GS
GTS Securities Miami, Florida $4.75B AUM 41.97% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

Jane Street's SRTY Position: Q2 2026 in Review

Jane Street sold out of ProShares UltraPro Short Russell2000 (SRTY) in Q2 2026, closing a stake of 8,360 shares — an estimated $228K sold.

Jane Street first reported a position in SRTY in Q2 2015 and held it in 26 quarters. The position peaked at $3.21M in Q2 2022. 17 funds tracked by Wall St. Rank hold SRTY as of Q2 2026.

  • Jane Street reported no remaining ProShares UltraPro Short Russell2000 position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 8,360 ProShares UltraPro Short Russell2000 shares in Q2 2026, an estimated $228K.
  • Jane Street first reported a position in ProShares UltraPro Short Russell2000 in Q2 2015 and held it in 26 quarters.
  • 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 Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.