Ken Griffin’s Tempus AI TEM Stock Holding History

Ken Griffin’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	$86.3M	Buy	1,907,900 +208,600	+12%	+$11.9M	0.01%	918
2025 Q4	$100M	Buy	1,699,300 +444,700	+35%	+$34.8M	0.02%	865
2025 Q3	$101M	Sell	1,254,600 -456,600	-27%	-$32M	0.02%	836
2025 Q2	$109M	Buy	1,711,200 +831,500	+95%	+$47.7M	0.02%	714
2025 Q1	$42.4M	Buy	879,700 +810,600	+1,173%	+$43.8M	0.01%	1272
2024 Q4	$2.33M	Sell	69,100 -182,900	-73%	-$9.04M	﹤0.01%	5316
2024 Q3	$14.3M	Buy	252,000 +146,100	+138%	+$6.83M	﹤0.01%	2436
2024 Q2	$3.71M	Buy	+105,900	New	+$3.25M	﹤0.01%	4229

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 $1.81T AUM 41.13% 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

Ken Griffin's TEM Position: Q1 2026 in Review

Ken Griffin reduced its Tempus AI (TEM) stake by 33% in Q1 2026, selling an estimated $17.1M and leaving 601,305 shares worth $27.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1959.

Ken Griffin first reported a position in TEM in Q2 2024 and has held it in 7 quarters since. The position peaked at $53.3M in Q4 2025. 425 funds tracked by Wall St. Rank hold TEM as of Q1 2026.

Ken Griffin held 601,305 shares of Tempus AI worth $27.2M as of Q1 2026.
Ken Griffin sold 301,265 Tempus AI shares in Q1 2026, an estimated $17.1M.
Tempus AI made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #1959 holding.
Ken Griffin first reported a position in Tempus AI in Q2 2024 and has held it in 7 quarters since.
Ken Griffin's Tempus AI position peaked at $53.3M in Q4 2025.
425 funds tracked by Wall St. Rank held Tempus AI as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.