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BLAIR WILLIAM & CO/IL: PH position timeline

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

BLAIR WILLIAM & CO/IL held 28,197 PH 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 28,197 shares
    Change vs previous 13F +625 shares

    0.07% of the 13F portfolio, value $27,580,479.

    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 27,572 shares
    Change vs previous 13F -5,896 shares

    0.07% of the 13F portfolio, value $24,683,517.

    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 33,468 shares
    Change vs previous 13F +885 shares

    0.08% of the 13F portfolio, value $29,416,673.

    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 32,583 shares
    Change vs previous 13F +6,144 shares

    0.07% of the 13F portfolio, value $24,703,137.

    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 26,439 shares
    Change vs previous 13F +3,983 shares

    0.05% of the 13F portfolio, value $18,466,990.

    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 22,456 shares
    Change vs previous 13F -232 shares

    0.04% of the 13F portfolio, value $13,649,738.

    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 22,688 shares
    Change vs previous 13F -2,327 shares

    0.04% of the 13F portfolio, value $14,430,506.

    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 25,015 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $15,804,940.

    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).