Jane Street
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Jane Street’s T-Rex 2X Inverse Tesla Daily Target ETF TSLZ Stock Holding History

Jane Street’s Portfolio TSLZ Stock Details TSLZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$466K Buy
+29,358
New +$400K ﹤0.01% 8233
2025
Q1 		– Sell
-36,878
Closed -$1.84M – 10634
2024
Q4 		$1.84M Buy
36,878
+30,742
+501% +$4.11M ﹤0.01% 4267
2024
Q3 		$1.26M Buy
6,136
+5,621
+1,091% +$1.74M ﹤0.01% 5407
2024
Q2 		$252K Sell
515
-89
-15% -$62.6K ﹤0.01% 8069
2024
Q1 		$479K Buy
+604
New +$426K ﹤0.01% 6748

Other funds holding TSLZ

GFG
Genesis Financial Group Paramus, New Jersey $158M AUM
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
HT
Headlands Technologies Chicago, Illinois $878M AUM 44.8% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
BCM
Brookstone Capital Management Wheaton, Illinois $9.99B AUM 23.61% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
SRL
Scientech Research LLC Jersey City, New Jersey $120M AUM 73.62% 1-Year Est. Return
SG
StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return

Jane Street's TSLZ Position: Q1 2026 in Review

Jane Street opened a new position in T-Rex 2X Inverse Tesla Daily Target ETF (TSLZ) in Q1 2026: 29,358 shares worth $466K. The stake represents ﹤0.01% of the portfolio and ranks #8233 among its holdings. This is a return to the name: Jane Street previously reported a position in TSLZ as recently as Q4 2024.

Jane Street first reported a position in TSLZ in Q1 2024 and has held it in 5 quarters since. The position peaked at $1.84M in Q4 2024. 20 funds tracked by Wall St. Rank hold TSLZ as of Q1 2026.

  • Jane Street held 29,358 shares of T-Rex 2X Inverse Tesla Daily Target ETF worth $466K as of Q1 2026.
  • T-Rex 2X Inverse Tesla Daily Target ETF was a new Jane Street position in Q1 2026.
  • T-Rex 2X Inverse Tesla Daily Target ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8233 holding.
  • Jane Street first reported a position in T-Rex 2X Inverse Tesla Daily Target ETF in Q1 2024 and has held it in 5 quarters since.
  • Jane Street's T-Rex 2X Inverse Tesla Daily Target ETF position peaked at $1.84M in Q4 2024.
  • 20 funds tracked by Wall St. Rank held T-Rex 2X Inverse Tesla Daily Target ETF as of Q1 2026.

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