Abcellera Biologics (ABCL)Baker Bros. Advisors LP added to its stake +2.75M shares

30.3M

Shares reported · +2.75M vs prior quarter

0.61%

Disclosed portfolio weight

$106M

Reported value

Holdings as of

Mar 31, 2026

Filed

May 15, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. May 11, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors

What came next

1. Jun 1, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On June 1, 2026, the Board of Directors (the "Board") of AbCellera Biologics Inc. (the "Company") appointed Victor Sandor as a new director. Dr. Sandor will serve until the Company’s next annual meeting of shareholders and until his successor is duly elected and qualified, or until his earlier resignation or removal.”
2. Jun 30, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On June 30, 2026, the Board of Directors (the "Board") of AbCellera Biologics Inc. (the "Company") appointed Lynn Seely, M.D as a new Class III director. Dr. Seely will serve until the Company’s 2029 annual meeting of shareholders and until her successor is duly elected and qualified, or until her earlier resignation or removal..”
3. Aug 5, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
4. Aug 12, 2026Company filing · Form 8-K · Material agreement, Other newsSigned an important agreement, and reported other company news

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Abcellera Biologics

For Abcellera Biologics, OQRO holds 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ABCL page.

How this filing works

• SEC Form 13F

Other disclosures at Abcellera Biologics

• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRNov 14, 2025
• SEC Form 13F-HRAug 14, 2025
• SEC Form 4Mar 11, 2025
• SEC Form 4Mar 10, 2025
• SEC Form 4Mar 7, 2025

Everything OQRO holds on this company is on its ABCL page.