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ORBIMED ADVISORS LLC: ALNY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ORBIMED ADVISORS LLC on ALNY, newest first. How the timeline and the estimate are built.

ORBIMED ADVISORS LLC held 17,000 ALNY 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 17,000 shares
    Change vs previous 13F -102,000 shares

    0.1% of the 13F portfolio, value $5,117,510.

    13F-HR 0001172661-26-003740 filed by ORBIMED ADVISORS LLC
    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 119,000 shares
    Change vs previous 13F -169,800 shares

    0.86% of the 13F portfolio, value $39,373,530.

    13F-HR 0001172661-26-002369 filed by ORBIMED ADVISORS LLC
    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 288,800 shares
    Change vs previous 13F -12,800 shares

    2.35% of the 13F portfolio, value $114,841,320.

    13F-HR 0001172661-26-001119 filed by ORBIMED ADVISORS LLC
    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 301,600 shares
    Change vs previous 13F -40,300 shares

    3.3% of the 13F portfolio, value $137,529,600.

    13F-HR 0001172661-25-005047 filed by ORBIMED ADVISORS LLC
    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 341,900 shares
    Change vs previous 13F -4,200 shares

    2.8% of the 13F portfolio, value $111,490,171.

    13F-HR 0001172661-25-003514 filed by ORBIMED ADVISORS LLC
    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 346,100 shares
    Change vs previous 13F -69,500 shares

    2.24% of the 13F portfolio, value $93,453,922.

    13F-HR 0001172661-25-002355 filed by ORBIMED ADVISORS LLC
    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 415,600 shares
    Change vs previous 13F +165,300 shares

    2.03% of the 13F portfolio, value $97,794,836.

    13F-HR 0001172661-25-001136 filed by ORBIMED ADVISORS LLC
    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 250,300 shares
    Change vs previous 13F not available

    1.26% of the 13F portfolio, value $68,840,009.

    13F-HR 0001172661-24-005167 filed by ORBIMED ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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