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Yorktown Management & Research Co Inc: SPXC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Yorktown Management & Research Co Inc on SPXC, newest first. How the timeline and the estimate are built.

Yorktown Management & Research Co Inc held 4,250 SPXC shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,250 shares
    Change vs previous 13F +1,550 shares

    0.64% of the 13F portfolio, value $1,041,973.

    13F-HR 0001193125-26-313433 filed by Yorktown Management & Research Co 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 2,700 shares
    Change vs previous 13F 0 shares

    0.45% of the 13F portfolio, value $539,838.

    13F-HR 0001193125-26-162911 filed by Yorktown Management & Research Co 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 2,700 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $540,162.

    13F-HR 0001193125-26-020430 filed by Yorktown Management & Research Co 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 2,700 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $504,306.

    13F-HR 0001193125-25-255399 filed by Yorktown Management & Research Co 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 2,700 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $452,736.

    13F-HR 0000950123-25-006929 filed by Yorktown Management & Research Co 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 2,700 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $347,706.

    13F-HR 0000950123-25-003639 filed by Yorktown Management & Research Co Inc
    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 2,700 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $392,904.

    13F-HR 0000950123-25-000592 filed by Yorktown Management & Research Co Inc
    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 2,700 shares
    Change vs previous 13F not available

    0.44% of the 13F portfolio, value $430,542.

    13F-HR 0000950123-24-009915 filed by Yorktown Management & Research Co Inc
    Filed (acceptance time not in the bulk data set), ingested

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