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BLAIR WILLIAM & CO/IL: BIP position timeline

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

BLAIR WILLIAM & CO/IL held 71,751 BIP 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 71,751 shares
    Change vs previous 13F -10,083 shares

    0.01% of the 13F portfolio, value $2,618,200.

    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 81,834 shares
    Change vs previous 13F +7,716 shares

    0.01% of the 13F portfolio, value $2,955,846.

    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 74,118 shares
    Change vs previous 13F +1,426 shares

    0.01% of the 13F portfolio, value $2,574,844.

    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 72,692 shares
    Change vs previous 13F +779 shares

    0.01% of the 13F portfolio, value $2,390,853.

    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 71,913 shares
    Change vs previous 13F +38,657 shares

    0.01% of the 13F portfolio, value $2,409,098.

    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 33,256 shares
    Change vs previous 13F -1,614 shares

    <0.01% of the 13F portfolio, value $990,708.

    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 34,870 shares
    Change vs previous 13F +2,229 shares

    <0.01% of the 13F portfolio, value $1,108,512.

    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 32,641 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,143,736.

    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).