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Disclosery

Prosight Management, LP: ALNY position timeline

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

Prosight Management, LP held 98,080 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 98,080 shares
    Change vs previous 13F +22,080 shares

    5.09% of the 13F portfolio, value $29,525,022.

    13F-HR 0001420506-26-001799 filed by Prosight Management, 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 76,000 shares
    Change vs previous 13F +58,891 shares

    4.12% of the 13F portfolio, value $25,146,120.

    13F-HR 0001420506-26-001036 filed by Prosight Management, 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 17,109 shares
    Change vs previous 13F not available

    1.41% of the 13F portfolio, value $6,803,394.

    13F-HR 0001420506-26-000422 filed by Prosight Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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