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BAKER BROS. ADVISORS LP: ABCL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BAKER BROS. ADVISORS LP on ABCL, newest first. How the timeline and the estimate are built.

BAKER BROS. ADVISORS LP held 33,012,138 ABCL shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 33,012,138 shares
    Change vs previous 13F +2,736,200 shares

    1.3% of the 13F portfolio, value $259,145,283.

    13F-HR 0001104659-26-097191 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 30,275,938 shares
    Change vs previous 13F +2,750,298 shares

    0.61% of the 13F portfolio, value $105,663,024.

    13F-HR 0001104659-26-062547 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 27,525,640 shares
    Change vs previous 13F 0 shares

    0.55% of the 13F portfolio, value $94,137,689.

    13F-HR 0001104659-26-016374 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 27,525,640 shares
    Change vs previous 13F 0 shares

    1% of the 13F portfolio, value $138,453,969.

    13F-HR 0001104659-25-112595 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 27,525,640 shares
    Change vs previous 13F 0 shares

    0.92% of the 13F portfolio, value $94,412,945.

    13F-HR 0001104659-25-078573 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 27,525,640 shares
    Change vs previous 13F 0 shares

    0.68% of the 13F portfolio, value $61,382,177.

    13F-HR 0001104659-25-049518 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 27,525,640 shares
    Change vs previous 13F 0 shares

    0.86% of the 13F portfolio, value $80,650,125.

    13F-HR 0001104659-25-014085 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 27,525,640 shares
    Change vs previous 13F not available

    0.74% of the 13F portfolio, value $71,566,664.

    13F-HR 0001104659-24-118899 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).