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RENAISSANCE TECHNOLOGIES LLC: PROK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RENAISSANCE TECHNOLOGIES LLC on PROK, newest first. How the timeline and the estimate are built.

RENAISSANCE TECHNOLOGIES LLC held 1,099,400 PROK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,099,400 shares
    Change vs previous 13F -151,394 shares

    <0.01% of the 13F portfolio, value $2,242,776.

    13F-HR 0001037389-26-000059 filed by RENAISSANCE TECHNOLOGIES LLC
    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 1,250,794 shares
    Change vs previous 13F +355,089 shares

    <0.01% of the 13F portfolio, value $2,238,921.

    13F-HR 0001037389-26-000033 filed by RENAISSANCE TECHNOLOGIES LLC
    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 895,705 shares
    Change vs previous 13F +763,705 shares

    <0.01% of the 13F portfolio, value $2,006,379.

    13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    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 132,000 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $319,440.

    13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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