Skip to content
Disclosery

Portolan Capital Management, LLC: BIO position timeline

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

Portolan Capital Management, LLC held 42,620 BIO 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 42,620 shares
    Change vs previous 13F +28,447 shares

    0.47% of the 13F portfolio, value $12,513,658.

    13F-HR 0001104659-26-096980 filed by Portolan Capital 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 14,173 shares
    Change vs previous 13F -19,986 shares

    0.21% of the 13F portfolio, value $3,950,724.

    13F-HR 0001104659-26-062488 filed by Portolan Capital 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 34,159 shares
    Change vs previous 13F -12,281 shares

    0.55% of the 13F portfolio, value $10,349,835.

    13F-HR 0001104659-26-016304 filed by Portolan Capital 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 46,440 shares
    Change vs previous 13F -16,344 shares

    0.7% of the 13F portfolio, value $13,021,312.

    13F-HR 0001104659-25-111284 filed by Portolan Capital 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 62,784 shares
    Change vs previous 13F +41,044 shares

    0.95% of the 13F portfolio, value $15,151,035.

    13F-HR 0001104659-25-077571 filed by Portolan Capital 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 21,740 shares
    Change vs previous 13F -8,846 shares

    0.4% of the 13F portfolio, value $5,294,994.

    13F-HR 0001104659-25-049320 filed by Portolan Capital 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 30,586 shares
    Change vs previous 13F +8,686 shares

    0.68% of the 13F portfolio, value $10,047,807.

    13F-HR 0001104659-25-012988 filed by Portolan Capital 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 21,900 shares
    Change vs previous 13F not available

    0.53% of the 13F portfolio, value $7,327,302.

    13F-HR 0001104659-24-118686 filed by Portolan Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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