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BLAIR WILLIAM & CO/IL: PEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on PEN, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 1,769 PEN shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,769 shares
    Change vs previous 13F -37 shares

    <0.01% of the 13F portfolio, value $558,562.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 1,806 shares
    Change vs previous 13F -6,504 shares

    <0.01% of the 13F portfolio, value $593,036.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 8,310 shares
    Change vs previous 13F +202 shares

    0.01% of the 13F portfolio, value $2,583,662.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 8,108 shares
    Change vs previous 13F -2,456 shares

    0.01% of the 13F portfolio, value $2,053,919.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 10,564 shares
    Change vs previous 13F +4,042 shares

    0.01% of the 13F portfolio, value $2,711,039.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 6,522 shares
    Change vs previous 13F +2,782 shares

    0.01% of the 13F portfolio, value $1,744,048.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 3,740 shares
    Change vs previous 13F -5,140 shares

    <0.01% of the 13F portfolio, value $888,175.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 8,880 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,725,473.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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