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
2026
Q1 		$517K Buy
+16,700
New +$487K ﹤0.01% 7974
2020
Q4 		– Sell
-865
Closed -$156K – 8123
2020
Q3 		$156K Buy
+865
New +$160K ﹤0.01% 6582
2019
Q3 		– Sell
-815
Closed -$240K – 5769
2019
Q2 		$240K Buy
+815
New +$249K ﹤0.01% 4488
2019
Q1 		– Sell
-1,500
Closed -$619K – 5656
2018
Q4 		$619K Buy
1,500
+560
+60% +$194K ﹤0.01% 3189
2018
Q3 		$257K Sell
940
-2,345
-71% -$643K ﹤0.01% 4406
2018
Q2 		$964K Sell
3,285
-645
-16% -$200K ﹤0.01% 2788
2018
Q1 		$1.35M Buy
3,930
+1,040
+36% +$351K ﹤0.01% 2301
2017
Q4 		$1.01M Buy
2,890
+1,260
+77% +$458K ﹤0.01% 2330
2017
Q3 		$610K Sell
1,630
-1,720
-51% -$720K ﹤0.01% 2857
2017
Q2 		$1.41M Sell
3,350
-825
-20% -$363K ﹤0.01% 1839
2017
Q1 		$1.87M Buy
4,175
+2,135
+105% +$980K 0.01% 1434
2016
Q4 		$968K Buy
2,040
+350
+21% +$190K ﹤0.01% 2125
2016
Q3 		$974K Sell
1,690
-155
-8% -$94.8K ﹤0.01% 2008
2016
Q2 		$1.29M Sell
1,845
-1,970
-52% -$1.45M 0.01% 1716
2016
Q1 		$2.96M Buy
3,815
+2,840
+291% +$2.59M 0.02% 880
2015
Q4 		$766K Buy
+975
New +$747K ﹤0.01% 2024
2015
Q3 		– Sell
-640
Closed -$445K – 4161
2015
Q2 		$445K Buy
+640
New +$449K ﹤0.01% 2410
2015
Q1 		– Sell
-450
Closed -$356K – 3492
2014
Q4 		$356K Sell
450
-670
-60% -$596K ﹤0.01% 1746
2014
Q3 		$1.1M Sell
1,120
-190
-15% -$173K 0.01% 867
2014
Q2 		$1.13M Buy
+1,310
New +$1.25M 0.01% 833

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.