William Blair & Company’s Tempus AI TEM Stock Holding History

William Blair & Company’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 Q2	$5.02M	Sell	86,638 -1,683	-2%	-$84.4K	0.01%	519
2026 Q1	$3.99M	Buy	88,321 +7,124	+9%	+$405K	0.01%	555
2025 Q4	$4.79M	Buy	81,197 +10,256	+14%	+$802K	0.01%	527
2025 Q3	$5.73M	Buy	70,941 +3,304	+5%	+$231K	0.02%	491
2025 Q2	$4.3M	Buy	67,637 +35,303	+109%	+$2.02M	0.01%	536
2025 Q1	$1.56M	Buy	32,334 +25,495	+373%	+$1.38M	﹤0.01%	771
2024 Q4	$231K	Sell	6,839 -6,475	-49%	-$320K	﹤0.01%	1390
2024 Q3	$754K	Buy	+13,314	New	+$622K	﹤0.01%	989

Other funds holding TEM

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 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

SoftBank Group Tokyo, Japan $18.2B AUM 177.65% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

NAMA

Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

William Blair & Company's TEM Position: Q2 2026 in Review

William Blair & Company reduced its Tempus AI (TEM) stake by 1.9% in Q2 2026, selling an estimated $84.4K and leaving 86,638 shares worth $5.02M. The position accounts for 0.01% of the portfolio, ranked #519.

William Blair & Company first reported a position in TEM in Q3 2024 and has held it in 8 quarters since. The position peaked at $5.73M in Q3 2025. 488 funds tracked by Wall St. Rank hold TEM as of Q2 2026.

William Blair & Company held 86,638 shares of Tempus AI worth $5.02M as of Q2 2026.
William Blair & Company sold 1,683 Tempus AI shares in Q2 2026, an estimated $84.4K.
Tempus AI made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #519 holding.
William Blair & Company first reported a position in Tempus AI in Q3 2024 and has held it in 8 quarters since.
William Blair & Company's Tempus AI position peaked at $5.73M in Q3 2025.
488 funds tracked by Wall St. Rank held Tempus AI as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.