Jim Simons’s Shoulder Innovations Inc SI Stock Holding History

Jim Simons’s Portfolio SI Stock Details SI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-12,300	Closed	-$176K	–	3797
2025 Q4	$176K	Buy	+12,300	New	+$168K	﹤0.01%	2910

Other funds holding SI

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

SAM

Sectoral Asset Management Montreal, Quebec, Canada $121M AUM 73.47% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

TCM

TimesSquare Capital Management New York $6.8B AUM 45.85% 1-Year Est. Return

Roubaix Capital Denver, Colorado $279M AUM 54.84% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

SCM

Sio Capital Management New York $697M AUM 79.73% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jim Simons's SI Position: Q1 2026 in Review

Jim Simons sold out of Shoulder Innovations Inc (SI) in Q1 2026, closing a stake of 12,300 shares — an estimated $176K sold.

Jim Simons first reported a position in SI in Q4 2025 and held it in 1 quarter. The position peaked at $176K in Q4 2025. 58 funds tracked by Wall St. Rank hold SI as of Q1 2026.

Jim Simons reported no remaining Shoulder Innovations Inc position as of Q1 2026 after selling out during the quarter.
Jim Simons sold 12,300 Shoulder Innovations Inc shares in Q1 2026, an estimated $176K.
Jim Simons first reported a position in Shoulder Innovations Inc in Q4 2025 and held it in 1 quarter.
Jim Simons's Shoulder Innovations Inc position peaked at $176K in Q4 2025.
58 funds tracked by Wall St. Rank held Shoulder Innovations Inc as of Q1 2026.

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