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Disclosery

1832 Asset Management L.P.: ALNY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 1832 Asset Management L.P. on ALNY, newest first. How the timeline and the estimate are built.

1832 Asset Management L.P. held 0 ALNY shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -440,145 shares

    13F-HR 0001062993-26-002620 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 440,145 shares
    Change vs previous 13F -19,200 shares

    0.22% of the 13F portfolio, value $175,023,659.

    13F-HR 0001062993-26-000901 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 459,345 shares
    Change vs previous 13F +236,000 shares

    0.35% of the 13F portfolio, value $209,461,320.

    13F-HR 0001062993-25-016818 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 223,345 shares
    Change vs previous 13F +79,300 shares

    0.13% of the 13F portfolio, value $72,830,571.

    13F-HR 0001062993-25-014282 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 144,045 shares
    Change vs previous 13F +144,045 shares

    0.07% of the 13F portfolio, value $38,895,031.

    13F-HR 0001062993-25-009332 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    13F-HR 0001062993-24-018988 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.