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Atlas Venture Life Science Advisors, LLC: SPRO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Atlas Venture Life Science Advisors, LLC on SPRO, newest first. How the timeline and the estimate are built.

Atlas Venture Life Science Advisors, LLC held 0 SPRO shares at 2025-06-30 per its 13F-HR filed 2025-08-12.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -305,255 shares

    13F-HR 0001104659-25-076898 filed by Atlas Venture Life Science Advisors, LLC
    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 ended2025-03-31
    13F 305,255 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $219,784.

    13F-HR 0001104659-25-048527 filed by Atlas Venture Life Science 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 ended2024-12-31
    13F 305,255 shares
    Change vs previous 13F -97,630 shares

    0.04% of the 13F portfolio, value $314,413.

    13F-HR 0001104659-25-010152 filed by Atlas Venture Life Science 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 ended2024-09-30
    13F 402,885 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $539,866.

    13F-HR 0001104659-24-116967 filed by Atlas Venture Life Science Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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