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Portolan Capital Management, LLC: KTOS position timeline

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

Portolan Capital Management, LLC held 65,221 KTOS 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 65,221 shares
    Change vs previous 13F -194,590 shares

    0.12% of the 13F portfolio, value $3,251,919.

    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 259,811 shares
    Change vs previous 13F -34,195 shares

    0.97% of the 13F portfolio, value $18,319,274.

    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 294,006 shares
    Change vs previous 13F -302,100 shares

    1.2% of the 13F portfolio, value $22,317,995.

    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 596,106 shares
    Change vs previous 13F -732,317 shares

    2.95% of the 13F portfolio, value $54,466,205.

    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 1,328,423 shares
    Change vs previous 13F -132,307 shares

    3.87% of the 13F portfolio, value $61,705,248.

    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 1,460,730 shares
    Change vs previous 13F +112,653 shares

    3.3% of the 13F portfolio, value $43,369,074.

    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 1,348,077 shares
    Change vs previous 13F -428,663 shares

    2.39% of the 13F portfolio, value $35,562,271.

    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 1,776,740 shares
    Change vs previous 13F not available

    3% of the 13F portfolio, value $41,398,042.

    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).