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BLAIR WILLIAM & CO/IL: HASI position timeline

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

BLAIR WILLIAM & CO/IL held 15,899 HASI 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 15,899 shares
    Change vs previous 13F -13,505 shares

    <0.01% of the 13F portfolio, value $620,861.

    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 29,404 shares
    Change vs previous 13F +1,257 shares

    <0.01% of the 13F portfolio, value $1,080,586.

    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 28,147 shares
    Change vs previous 13F +3,915 shares

    <0.01% of the 13F portfolio, value $884,669.

    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 24,232 shares
    Change vs previous 13F +10,003 shares

    <0.01% of the 13F portfolio, value $743,927.

    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 14,229 shares
    Change vs previous 13F -3,543 shares

    <0.01% of the 13F portfolio, value $382,195.

    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 17,772 shares
    Change vs previous 13F +3,907 shares

    <0.01% of the 13F portfolio, value $519,657.

    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 13,865 shares
    Change vs previous 13F +2,868 shares

    <0.01% of the 13F portfolio, value $372,002.

    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 10,997 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $379,071.

    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).