Jane Street’s Tempus AI TEM Stock Holding History

Jane Street’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	$82.8M	Buy	1,428,847 +759,993	+114%	+$38.1M	0.01%	1055
2026 Q1	$30.2M	Buy	668,854 +444,124	+198%	+$25.2M	﹤0.01%	1433
2025 Q4	$13.3M	Sell	224,730 -279,045	-55%	-$21.8M	﹤0.01%	1994
2025 Q3	$40.7M	Buy	503,775 +290,632	+136%	+$20.4M	0.01%	1076
2025 Q2	$13.5M	Hold	213,143	–	–	﹤0.01%	1820
2025 Q1	$10.3M	Buy	213,143 +107,654	+102%	+$5.81M	﹤0.01%	1964
2024 Q4	$3.56M	Buy	105,489 +86,060	+443%	+$4.26M	﹤0.01%	3159
2024 Q3	$1.1M	Sell	19,429 -94,689	-83%	-$4.43M	﹤0.01%	5690
2024 Q2	$3.99M	Buy	+114,118	New	+$3.5M	﹤0.01%	3323

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

Jane Street's TEM Position: Q2 2026 in Review

Jane Street increased its Tempus AI (TEM) stake by 114% in Q2 2026, buying an estimated $38.1M and bringing the position to 1,428,847 shares worth $82.8M. The position accounts for 0.01% of the portfolio, ranked #1055.

Jane Street first reported a position in TEM in Q2 2024 and has held it in 9 quarters since. 488 funds tracked by Wall St. Rank hold TEM as of Q2 2026.

Jane Street held 1,428,847 shares of Tempus AI worth $82.8M as of Q2 2026.
Jane Street bought 759,993 Tempus AI shares in Q2 2026, an estimated $38.1M.
Tempus AI made up 0.01% of Jane Street's portfolio in Q2 2026, its #1055 holding.
Jane Street first reported a position in Tempus AI in Q2 2024 and has held it in 9 quarters since.
488 funds tracked by Wall St. Rank held Tempus AI as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.