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Disclosery

Charles Schwab Trust Co: PROK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Charles Schwab Trust Co on PROK, newest first. How the timeline and the estimate are built.

Charles Schwab Trust Co held 781,729 PROK 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 781,729 shares
    Change vs previous 13F +153,958 shares

    <0.01% of the 13F portfolio, value $1,594,727.

    13F-HR 0001752724-26-000057 filed by CHARLES SCHWAB INVESTMENT 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 627,771 shares
    Change vs previous 13F +4,661 shares

    <0.01% of the 13F portfolio, value $1,123,710.

    13F-HR 0001752724-26-000037 filed by CHARLES SCHWAB INVESTMENT 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 623,110 shares
    Change vs previous 13F -29,981 shares

    <0.01% of the 13F portfolio, value $1,395,766.

    13F-HR 0001752724-26-000003 filed by CHARLES SCHWAB INVESTMENT 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 653,091 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,580,480.

    13F-HR 0001752724-25-215019 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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