Jim Simons’s Tempus AI TEM Stock Holding History

Jim Simons’s Portfolio TEM Stock Details TEM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-88,800	Closed	-$5.24M	–	3767
2025 Q4	$5.24M	Sell	88,800 -355,500	-80%	-$27.8M	0.01%	1276
2025 Q3	$35.9M	Buy	+444,300	New	+$31.1M	0.05%	468

Other funds holding TEM

AIM

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

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

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

GWMR

GC Wealth Management RIA Cambridge, Massachusetts $1.73B AUM 16.14% 1-Year Est. Return

SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

NAMA

Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return

Jim Simons's TEM Position: Q1 2026 in Review

Jim Simons sold out of Tempus AI (TEM) in Q1 2026, closing a stake of 88,800 shares — an estimated $5.24M sold.

Jim Simons first reported a position in TEM in Q3 2025 and held it in 2 quarters. The position peaked at $35.9M in Q3 2025. 425 funds tracked by Wall St. Rank hold TEM as of Q1 2026.

Jim Simons reported no remaining Tempus AI position as of Q1 2026 after selling out during the quarter.
Jim Simons sold 88,800 Tempus AI shares in Q1 2026, an estimated $5.24M.
Jim Simons first reported a position in Tempus AI in Q3 2025 and held it in 2 quarters.
Jim Simons's Tempus AI position peaked at $35.9M in Q3 2025.
425 funds tracked by Wall St. Rank held Tempus AI as of Q1 2026.

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