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ARCH Venture Management, LLC: RAPP position timeline

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

ARCH Venture Management, LLC held 3,728,738 RAPP 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 3,728,738 shares
    Change vs previous 13F 0 shares

    14.12% of the 13F portfolio, value $155,376,512.

    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 3,728,738 shares
    Change vs previous 13F 0 shares

    17.23% of the 13F portfolio, value $116,672,212.

    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 3,728,738 shares
    Change vs previous 13F 0 shares

    17.36% of the 13F portfolio, value $113,129,911.

    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 3,728,738 shares
    Change vs previous 13F 0 shares

    22.49% of the 13F portfolio, value $110,743,519.

    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 3,728,738 shares
    Change vs previous 13F 0 shares

    14.19% of the 13F portfolio, value $42,433,038.

    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 3,728,738 shares
    Change vs previous 13F 0 shares

    18.21% of the 13F portfolio, value $37,548,392.

    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 3,728,738 shares
    Change vs previous 13F 0 shares

    28.73% of the 13F portfolio, value $66,147,812.

    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 3,728,738 shares
    Change vs previous 13F not available

    29.31% of the 13F portfolio, value $76,364,554.

    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).