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Disclosery

ARCH Venture Management, LLC: BEAM position timeline

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

ARCH Venture Management, LLC held 4,540,132 BEAM 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 4,540,132 shares
    Change vs previous 13F 0 shares

    14.16% of the 13F portfolio, value $155,771,929.

    13F-HR 0001012975-26-000794 filed by ARCH Venture 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 4,540,132 shares
    Change vs previous 13F 0 shares

    15.98% of the 13F portfolio, value $108,191,346.

    13F-HR 0001012975-26-000461 filed by ARCH Venture 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 4,540,132 shares
    Change vs previous 13F 0 shares

    19.31% of the 13F portfolio, value $125,852,459.

    13F-HR 0001012975-26-000153 filed by ARCH Venture 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 4,540,132 shares
    Change vs previous 13F 0 shares

    22.38% of the 13F portfolio, value $110,189,004.

    13F-HR 0001012975-25-000787 filed by ARCH Venture 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 4,540,132 shares
    Change vs previous 13F 0 shares

    25.82% of the 13F portfolio, value $77,227,645.

    13F-HR 0001012975-25-000444 filed by ARCH Venture 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 4,540,132 shares
    Change vs previous 13F 0 shares

    43% of the 13F portfolio, value $88,668,778.

    13F-HR 0001012975-25-000245 filed by ARCH Venture Management, 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 4,540,132 shares
    Change vs previous 13F -294,521 shares

    48.91% of the 13F portfolio, value $112,595,274.

    13F-HR 0001012975-25-000089 filed by ARCH Venture Management, 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 4,834,653 shares
    Change vs previous 13F not available

    45.46% of the 13F portfolio, value $118,448,999.

    13F-HR 0001012975-24-000476 filed by ARCH Venture Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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