Jim Simons
MSTU

Jim Simons’s T-Rex 2X Long MSTR Daily Target ETF MSTU Stock Holding History

Jim Simons’s Portfolio MSTU Stock Details MSTU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.6M Buy
+377,600
New +$2.46M ﹤0.01% 2010
2025
Q4 		– Sell
-28,000
Closed -$1.3M – 3880
2025
Q3 		$1.3M Sell
28,000
-10,590
-27% -$725K ﹤0.01% 2345
2025
Q2 		$3.34M Buy
+38,590
New +$2.92M ﹤0.01% 1776

Other funds holding MSTU

Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
CWM
Centric Wealth Management Chicago, Illinois $643M AUM 21% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
DS
DRW Securities Chicago, Illinois $7.21B AUM 20.54% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return

Jim Simons's MSTU Position: Q1 2026 in Review

Jim Simons opened a new position in T-Rex 2X Long MSTR Daily Target ETF (MSTU) in Q1 2026: 377,600 shares worth $1.6M. The stake represents ﹤0.01% of the portfolio and ranks #2010 among its holdings. This is a return to the name: Jim Simons previously reported a position in MSTU as recently as Q3 2025.

Jim Simons first reported a position in MSTU in Q2 2025 and has held it in 3 quarters since. The position peaked at $3.34M in Q2 2025. 33 funds tracked by Wall St. Rank hold MSTU as of Q1 2026.

  • Jim Simons held 377,600 shares of T-Rex 2X Long MSTR Daily Target ETF worth $1.6M as of Q1 2026.
  • T-Rex 2X Long MSTR Daily Target ETF was a new Jim Simons position in Q1 2026.
  • T-Rex 2X Long MSTR Daily Target ETF made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2010 holding.
  • Jim Simons first reported a position in T-Rex 2X Long MSTR Daily Target ETF in Q2 2025 and has held it in 3 quarters since.
  • Jim Simons's T-Rex 2X Long MSTR Daily Target ETF position peaked at $3.34M in Q2 2025.
  • 33 funds tracked by Wall St. Rank held T-Rex 2X Long MSTR Daily Target ETF as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.