Equillium, INC Schedule 13G passive stakes

Affinity Asset Advisors, LLC and Michael Cho have reported a beneficial ownership of 4,100,000 shares, representing 6.5% of Equillium Inc.'s common stock as of June 30, 2026.

Adage Capital Management, L.P. and related entities have filed an amended Schedule 13G, confirming a beneficial ownership of 7.25% in Equillium, Inc., including shares issuable upon warrant exercise.

ADAR1 Capital Management and Daniel Schneeberger have filed a Schedule 13G reporting a 9.9% beneficial ownership stake in Equillium, Inc.

Decheng Capital and Xiangmin Cui have filed an amendment to their Schedule 13G, reporting a combined beneficial ownership of 8.9% in Equillium, Inc.

Aberdeen Group plc and abrdn Inc. have reported a combined beneficial ownership of 5.3% in Equillium, Inc. common stock as of April 1, 2026.

RA Capital Management and its affiliates have reported a 9.9% beneficial ownership stake in Equillium, Inc., primarily through shared voting and dispositive power.

Janus Henderson Group plc has reported a 9.99% beneficial ownership stake in Equillium, Inc., holding over 6 million common shares.

Janus Henderson Group plc has reported a significant 9.99% beneficial ownership stake in EQUILLIUM, INC., holding over 6 million shares.

ADAR1 Capital Management, its general partner, and Daniel Schneeberger have jointly reported a 9.9% beneficial ownership stake in Equillium, Inc. as of September 30, 2025.

Woodline Partners LP has reported a 5.9% beneficial ownership stake in Equillium, Inc., holding 3,508,771 shares of common stock.

Adage Capital Management, L.P. and its principals have reported a 9.99% beneficial ownership stake in Equillium, Inc., including shares from warrants.