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HARVEY CAPITAL MANAGEMENT INC: ARGX position timeline

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

HARVEY CAPITAL MANAGEMENT INC held 4,346 ARGX shares at 2026-06-30 per its 13F-HR/A filed 2026-08-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 4,346 shares
    Change vs previous 13F -155 shares

    0.83% of the 13F portfolio, value $4,032,088.

    13F-HR/A 0001119032-26-000009 filed by HARVEY 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 4,501 shares
    Change vs previous 13F +4,501 shares

    0.75% of the 13F portfolio, value $3,286,855.

    13F-HR 0001119032-26-000004 filed by HARVEY 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 ended2025-06-30
    13F 0 shares
    Change vs previous 13F -11,075 shares

    13F-HR 0001119032-25-000011 filed by HARVEY CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-03-31
    13F 11,075 shares
    Change vs previous 13F -486 shares

    1.72% of the 13F portfolio, value $6,554,905.

    13F-HR 0001119032-25-000004 filed by HARVEY 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 ended2024-12-31
    13F 11,561 shares
    Change vs previous 13F -2,533 shares

    1.67% of the 13F portfolio, value $7,110,015.

    13F-HR 0001119032-25-000002 filed by HARVEY 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 ended2024-09-30
    13F 14,094 shares
    Change vs previous 13F not available

    1.91% of the 13F portfolio, value $7,640,076.

    13F-HR 0001119032-24-000013 filed by HARVEY CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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