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Disclosery

STRS OHIO: PTEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STRS OHIO on PTEN, newest first. How the timeline and the estimate are built.

STRS OHIO held 343,000 PTEN shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 343,000 shares
    Change vs previous 13F +20,900 shares

    0.01% of the 13F portfolio, value $3,148,740.

    13F-HR 0000820478-26-000014 filed by STRS OHIO
    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 322,100 shares
    Change vs previous 13F +184,600 shares

    0.01% of the 13F portfolio, value $3,488,343.

    13F-HR 0000820478-26-000008 filed by STRS OHIO
    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 137,500 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $840,125.

    13F-HR 0000820478-26-000006 filed by STRS OHIO
    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 137,500 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $712,250.

    13F-HR 0000820478-25-000020 filed by STRS OHIO
    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 137,500 shares
    Change vs previous 13F +9,700 shares

    <0.01% of the 13F portfolio, value $815,375.

    13F-HR 0000820478-25-000016 filed by STRS OHIO
    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 127,800 shares
    Change vs previous 13F +109,200 shares

    <0.01% of the 13F portfolio, value $1,050,516.

    13F-HR 0000820478-25-000013 filed by STRS OHIO
    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 18,600 shares
    Change vs previous 13F +4,400 shares

    <0.01% of the 13F portfolio, value $153,636.

    13F-HR 0000820478-25-000014 filed by STRS OHIO
    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 14,200 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $108,630.

    13F-HR 0000820478-24-000016 filed by STRS OHIO
    Filed (acceptance time not in the bulk data set), ingested

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