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Atlas Venture Life Science Advisors, LLC: DYN 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 DYN, newest first. How the timeline and the estimate are built.

Atlas Venture Life Science Advisors, LLC held 6,800,099 DYN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,800,099 shares
    Change vs previous 13F -2,330,366 shares

    17.14% of the 13F portfolio, value $151,030,199.

    13F-HR 0001104659-26-095933 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).

  2. period ended2026-03-31
    13F 9,130,465 shares
    Change vs previous 13F 0 shares

    20.95% of the 13F portfolio, value $165,535,330.

    13F-HR 0001104659-26-061232 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 ended2025-12-31
    13F 9,130,465 shares
    Change vs previous 13F 0 shares

    20.64% of the 13F portfolio, value $178,591,895.

    13F-HR 0001104659-26-014463 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 ended2025-09-30
    13F 9,130,465 shares
    Change vs previous 13F 0 shares

    15.35% of the 13F portfolio, value $115,500,382.

    13F-HR 0001104659-25-111321 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).

  5. period ended2025-06-30
    13F 9,130,465 shares
    Change vs previous 13F 0 shares

    13.12% of the 13F portfolio, value $86,922,027.

    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).

  6. period ended2025-03-31
    13F 9,130,465 shares
    Change vs previous 13F +1,111,111 shares

    18.3% of the 13F portfolio, value $95,504,664.

    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).

  7. period ended2024-12-31
    13F 8,019,354 shares
    Change vs previous 13F -782 shares

    23.05% of the 13F portfolio, value $188,935,980.

    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).

  8. period ended2024-09-30
    13F 8,020,136 shares
    Change vs previous 13F not available

    26.71% of the 13F portfolio, value $288,083,285.

    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).