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Granahan Investment Management, LLC: ZYME position timeline

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

Granahan Investment Management, LLC held 336,157 ZYME 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 336,157 shares
    Change vs previous 13F +85,384 shares

    0.31% of the 13F portfolio, value $8,787,144.

    13F-HR 0001398344-26-014483 filed by Granahan Investment 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 250,773 shares
    Change vs previous 13F +26,365 shares

    0.3% of the 13F portfolio, value $6,279,356.

    13F-HR 0001398344-26-009220 filed by Granahan Investment 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 224,408 shares
    Change vs previous 13F -120,923 shares

    0.25% of the 13F portfolio, value $5,908,663.

    13F-HR 0001398344-26-003202 filed by Granahan Investment 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 345,331 shares
    Change vs previous 13F -35,452 shares

    0.24% of the 13F portfolio, value $5,898,253.

    13F-HR 0001398344-25-020897 filed by Granahan Investment 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 380,783 shares
    Change vs previous 13F -26,806 shares

    0.19% of the 13F portfolio, value $4,778,827.

    13F-HR 0001398344-25-015412 filed by Granahan Investment 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 407,589 shares
    Change vs previous 13F -3,531 shares

    0.24% of the 13F portfolio, value $4,854,385.

    13F-HR 0001398344-25-009461 filed by Granahan Investment 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 411,120 shares
    Change vs previous 13F -202,383 shares

    0.25% of the 13F portfolio, value $6,018,797.

    13F-HR 0001398344-25-002765 filed by Granahan Investment 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 613,503 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $7,699,463.

    13F-HR 0001398344-24-020730 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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