Jane Street’s Alumis Inc ALMS Stock Holding History

Jane Street’s Portfolio ALMS Stock Details ALMS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-173,833	Closed	-$4.35M	–	13271
2025 Q4	$1.7M	Buy	173,833 +146,724	+541%	+$1.02M	﹤0.01%	5125
2025 Q3	$108K	Sell	27,109 -83,935	-76%	-$346K	﹤0.01%	10105
2025 Q2	$333K	Buy	111,044 +92,953	+514%	+$439K	﹤0.01%	7678
2025 Q1	$111K	Buy	+18,091	New	+$105K	﹤0.01%	8758
2024 Q3	–	Sell	-10,155	Closed	-$135K	–	10589
2024 Q2	$135K	Buy	+10,155	New	+$135K	﹤0.01%	8624

Other funds holding ALMS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return

FCMV

Foresite Capital Management V Larkspur, California $271M AUM 309.87% 1-Year Est. Return

venBio Partners San Francisco, California $281M AUM 261.03% 1-Year Est. Return

FCMV

Foresite Capital Management VI Larkspur, California $460M AUM 261.77% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

CAM

Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return

Nextech Invest Zurich, Switzerland $1.42B AUM 304.47% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Jane Street's ALMS Position: Q1 2026 in Review

Jane Street sold out of Alumis Inc (ALMS) in Q1 2026, closing a stake of 173,833 shares — an estimated $4.35M sold.

Jane Street first reported a position in ALMS in Q2 2024 and held it in 5 quarters. The position peaked at $1.7M in Q4 2025. 195 funds tracked by Wall St. Rank hold ALMS as of Q1 2026.

Jane Street reported no remaining Alumis Inc position as of Q1 2026 after selling out during the quarter.
Jane Street sold 173,833 Alumis Inc shares in Q1 2026, an estimated $4.35M.
Jane Street first reported a position in Alumis Inc in Q2 2024 and held it in 5 quarters.
Jane Street's Alumis Inc position peaked at $1.7M in Q4 2025.
195 funds tracked by Wall St. Rank held Alumis Inc as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.