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Foresite Capital Management VI LLC: VSTM position timeline

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

Foresite Capital Management VI LLC held 3,146,631 VSTM 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 3,146,631 shares
    Change vs previous 13F 0 shares

    1.87% of the 13F portfolio, value $12,020,130.

    13F-HR 0001104659-26-097133 filed by Foresite Capital Management VI 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 3,146,631 shares
    Change vs previous 13F +11,511 shares

    3.62% of the 13F portfolio, value $16,677,144.

    13F-HR 0001104659-26-062467 filed by Foresite Capital Management VI 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 3,135,120 shares
    Change vs previous 13F +520,000 shares

    7.32% of the 13F portfolio, value $24,203,126.

    13F-HR 0001104659-26-015412 filed by Foresite Capital Management VI 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 2,615,120 shares
    Change vs previous 13F +1,338,600 shares

    8.92% of the 13F portfolio, value $23,091,510.

    13F-HR 0001104659-25-112509 filed by Foresite Capital Management VI 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 1,276,520 shares
    Change vs previous 13F not available

    2.98% of the 13F portfolio, value $5,297,558.

    13F-HR 0001104659-25-076821 filed by Foresite Capital Management VI LLC
    Filed (acceptance time not in the bulk data set), ingested

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