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Disclosery

ARCH Venture Management, LLC: MAZE position timeline

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

ARCH Venture Management, LLC held 4,120,053 MAZE 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 4,120,053 shares
    Change vs previous 13F 0 shares

    11.18% of the 13F portfolio, value $122,983,582.

    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 4,120,053 shares
    Change vs previous 13F 0 shares

    18.16% of the 13F portfolio, value $122,983,582.

    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 4,120,053 shares
    Change vs previous 13F 0 shares

    26.19% of the 13F portfolio, value $170,693,796.

    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 4,120,053 shares
    Change vs previous 13F 0 shares

    21.7% of the 13F portfolio, value $106,832,974.

    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 4,120,053 shares
    Change vs previous 13F 0 shares

    16.91% of the 13F portfolio, value $50,594,251.

    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 4,120,053 shares
    Change vs previous 13F not available

    22% of the 13F portfolio, value $45,361,784.

    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).