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SHELTON CAPITAL MANAGEMENT: PRTA position timeline

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

SHELTON CAPITAL MANAGEMENT held 39,472 PRTA 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 39,472 shares
    Change vs previous 13F +39,472 shares

    0.01% of the 13F portfolio, value $386,431.

    13F-HR 0001999371-26-017998 filed by SHELTON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -15,279 shares

    13F-HR 0001999371-25-017880 filed by SHELTON CAPITAL MANAGEMENT
    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.

  3. period ended2025-06-30
    13F 15,279 shares
    Change vs previous 13F +46 shares

    <0.01% of the 13F portfolio, value $92,744.

    13F-HR 0001999371-25-011223 filed by SHELTON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 15,233 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $188,508.

    13F-HR 0001999371-25-006211 filed by SHELTON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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