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AMERICAN CAPITAL MANAGEMENT INC: PRLB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMERICAN CAPITAL MANAGEMENT INC on PRLB, newest first. How the timeline and the estimate are built.

AMERICAN CAPITAL MANAGEMENT INC held 619,845 PRLB 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 619,845 shares
    Change vs previous 13F -7,860 shares

    2.27% of the 13F portfolio, value $50,523,566.

    13F-HR 0001104659-26-097334 filed by AMERICAN CAPITAL MANAGEMENT INC
    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 627,705 shares
    Change vs previous 13F -3,606 shares

    1.92% of the 13F portfolio, value $35,791,739.

    13F-HR 0001104659-26-062771 filed by AMERICAN CAPITAL MANAGEMENT INC
    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 631,311 shares
    Change vs previous 13F +352,015 shares

    1.41% of the 13F portfolio, value $31,938,023.

    13F-HR 0001104659-26-016553 filed by AMERICAN CAPITAL MANAGEMENT INC
    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 279,296 shares
    Change vs previous 13F +225,269 shares

    0.56% of the 13F portfolio, value $13,973,179.

    13F-HR 0001104659-25-112700 filed by AMERICAN CAPITAL MANAGEMENT INC
    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 54,027 shares
    Change vs previous 13F +3,915 shares

    0.09% of the 13F portfolio, value $2,163,241.

    13F-HR 0001104659-25-078772 filed by AMERICAN CAPITAL MANAGEMENT INC
    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 50,112 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $1,755,924.

    13F-HR 0001104659-25-049586 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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