Jane Street
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Jane Street’s ProShares UltraShort Russell2000 TWM Stock Holding History

Jane Street’s Portfolio TWM Stock Details TWM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q2 		– Sell
-3,700
Closed -$265K – 10915
2022
Q1 		$265K Sell
3,700
-8,460
-70% -$635K ﹤0.01% 8590
2021
Q4 		$787K Sell
12,160
-160
-1% -$10.3K ﹤0.01% 6398
2021
Q3 		$863K Buy
12,320
+9,235
+299% +$645K ﹤0.01% 6207
2021
Q2 		$205K Buy
3,085
+845
+38% +$59.4K ﹤0.01% 8781
2021
Q1 		$166K Sell
2,240
-4,600
-67% -$363K ﹤0.01% 8399
2020
Q4 		$685K Sell
6,840
-8,765
-56% -$1.16M ﹤0.01% 5262
2020
Q3 		$2.81M Sell
15,605
-2,200
-12% -$407K ﹤0.01% 2526
2020
Q2 		$3.69M Buy
17,805
+17,250
+3,108% +$4.73M ﹤0.01% 2232
2020
Q1 		$217K Buy
+555
New +$173K ﹤0.01% 4567
2018
Q3 		– Sell
-2,750
Closed -$807K – 5715
2018
Q2 		$807K Buy
2,750
+655
+31% +$203K ﹤0.01% 3015
2018
Q1 		$720K Buy
2,095
+535
+34% +$181K ﹤0.01% 3051
2017
Q4 		$545K Buy
+1,560
New +$567K ﹤0.01% 3070
2016
Q4 		– Sell
-3,435
Closed -$1.98M – 4634
2016
Q3 		$1.98M Sell
3,435
-9,415
-73% -$5.76M 0.01% 1216
2016
Q2 		$8.95M Sell
12,850
-8,760
-41% -$6.47M 0.04% 374
2016
Q1 		$16.8M Buy
21,610
+14,715
+213% +$13.4M 0.09% 192
2015
Q4 		$5.42M Buy
6,895
+340
+5% +$261K 0.03% 457
2015
Q3 		$5.69M Buy
6,555
+5,310
+427% +$4.03M 0.04% 413
2015
Q2 		$866K Sell
1,245
-2,690
-68% -$1.89M 0.01% 1706
2015
Q1 		$2.8M Sell
3,935
-10,625
-73% -$8.19M 0.02% 665
2014
Q4 		$11.5M Sell
14,560
-1,390
-9% -$1.24M 0.09% 172
2014
Q3 		$15.7M Buy
15,950
+15,121
+1,824% +$13.8M 0.16% 105
2014
Q2 		$713K Buy
829
+285
+52% +$271K 0.01% 1143
2014
Q1 		$499K Buy
544
+245
+82% +$233K 0.01% 1566
2013
Q4 		$288K Sell
299
-970
-76% -$1.04M ﹤0.01% 1688
2013
Q3 		$1.47M Buy
1,269
+723
+132% +$904K 0.02% 777
2013
Q2 		$789K Buy
+546
New +$829K 0.01% 1076

Other funds holding TWM

TF
Trek Financial Scottsdale, Arizona $1.88B AUM 41.21% 1-Year Est. Return
HIM
Hillsdale Investment Management Toronto, Ontario, Canada $3.68B AUM 62.12% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
GS
GTS Securities New York $2.83B AUM 21.76% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $38.8B AUM 21.88% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
Squarepoint
Squarepoint New York $85.1B AUM 20.93% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return

Jane Street's TWM Position: Q1 2026 in Review

Jane Street increased its ProShares UltraShort Russell2000 (TWM) stake by 13% in Q1 2026, buying an estimated $77.2K and bringing the position to 23,398 shares worth $725K. The position accounts for ﹤0.01% of the portfolio, ranked #7202.

Jane Street first reported a position in TWM in Q3 2013 and has held it in 35 quarters since. The position peaked at $3.52M in Q3 2024. 17 funds tracked by Wall St. Rank hold TWM as of Q1 2026.

  • Jane Street held 23,398 shares of ProShares UltraShort Russell2000 worth $725K as of Q1 2026.
  • Jane Street bought 2,648 ProShares UltraShort Russell2000 shares in Q1 2026, an estimated $77.2K.
  • ProShares UltraShort Russell2000 made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7202 holding.
  • Jane Street first reported a position in ProShares UltraShort Russell2000 in Q3 2013 and has held it in 35 quarters since.
  • Jane Street's ProShares UltraShort Russell2000 position peaked at $3.52M in Q3 2024.
  • 17 funds tracked by Wall St. Rank held ProShares UltraShort Russell2000 as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.