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First Light Asset Management, LLC: MASS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of First Light Asset Management, LLC on MASS, newest first. How the timeline and the estimate are built.

First Light Asset Management, LLC held 6,282,804 MASS 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 6,282,804 shares
    Change vs previous 13F +210,241 shares

    3.32% of the 13F portfolio, value $54,660,395.

    13F-HR 0001999371-26-018014 filed by First Light Asset Management, 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 6,072,563 shares
    Change vs previous 13F +1,236,377 shares

    3.33% of the 13F portfolio, value $37,164,086.

    13F-HR 0001999371-26-010896 filed by First Light Asset Management, 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 4,836,186 shares
    Change vs previous 13F +2,325,690 shares

    1.94% of the 13F portfolio, value $25,389,977.

    13F-HR 0001999371-26-003511 filed by First Light Asset Management, 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 2,510,496 shares
    Change vs previous 13F +1,442,883 shares

    2.07% of the 13F portfolio, value $21,991,945.

    13F-HR 0001999371-25-017920 filed by First Light Asset Management, 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 1,067,613 shares
    Change vs previous 13F -633,482 shares

    0.99% of the 13F portfolio, value $7,612,081.

    13F-HR 0001999371-25-011375 filed by First Light Asset Management, 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 1,701,095 shares
    Change vs previous 13F not available

    0.87% of the 13F portfolio, value $7,620,906.

    13F-HR 0001999371-25-006243 filed by First Light Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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