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Alyeska Investment Group, L.P.: AON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Alyeska Investment Group, L.P. on AON, newest first. How the timeline and the estimate are built.

Alyeska Investment Group, L.P. held 42,695 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 42,695 shares
    Change vs previous 13F -19,035 shares

    0.04% of the 13F portfolio, value $14,161,505.

    13F-HR 0001172661-26-003737 filed by Alyeska Investment Group, L.P.
    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 61,730 shares
    Change vs previous 13F -4,915 shares

    0.06% of the 13F portfolio, value $19,925,209.

    13F-HR 0001172661-26-002284 filed by Alyeska Investment Group, L.P.
    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 66,645 shares
    Change vs previous 13F -181,332 shares

    0.07% of the 13F portfolio, value $23,517,688.

    13F-HR 0001172661-26-000737 filed by Alyeska Investment Group, L.P.
    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 247,977 shares
    Change vs previous 13F -128,737 shares

    0.27% of the 13F portfolio, value $88,423,639.

    13F-HR 0001172661-25-005150 filed by Alyeska Investment Group, L.P.
    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 376,714 shares
    Change vs previous 13F +376,714 shares

    0.48% of the 13F portfolio, value $134,396,487.

    13F-HR 0001172661-25-003461 filed by Alyeska Investment Group, L.P.
    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 0 shares
    Change vs previous 13F -165,734 shares

    13F-HR 0001172661-25-002312 filed by Alyeska Investment Group, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 165,734 shares
    Change vs previous 13F +162,669 shares

    0.22% of the 13F portfolio, value $59,525,023.

    13F-HR 0001172661-25-001146 filed by Alyeska Investment Group, L.P.
    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 3,065 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,060,459.

    13F-HR 0001172661-24-005186 filed by Alyeska Investment Group, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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