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BLAIR WILLIAM & CO/IL: PSX position timeline

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

BLAIR WILLIAM & CO/IL held 204,103 PSX 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 204,103 shares
    Change vs previous 13F -2,821 shares

    0.09% of the 13F portfolio, value $34,503,603.

    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 206,924 shares
    Change vs previous 13F +3,850 shares

    0.11% of the 13F portfolio, value $37,697,351.

    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 203,074 shares
    Change vs previous 13F -14,298 shares

    0.07% of the 13F portfolio, value $26,204,640.

    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 217,372 shares
    Change vs previous 13F +15,651 shares

    0.08% of the 13F portfolio, value $29,566,892.

    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 201,721 shares
    Change vs previous 13F +18,900 shares

    0.07% of the 13F portfolio, value $24,065,292.

    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 182,821 shares
    Change vs previous 13F +12,224 shares

    0.07% of the 13F portfolio, value $22,574,724.

    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 170,597 shares
    Change vs previous 13F -29,938 shares

    0.06% of the 13F portfolio, value $19,436,064.

    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 200,535 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $26,360,366.

    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).