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MILLENNIUM MANAGEMENT LLC: ALTO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MILLENNIUM MANAGEMENT LLC on ALTO, newest first. How the timeline and the estimate are built.

MILLENNIUM MANAGEMENT LLC held 173,360 ALTO 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 173,360 shares
    Change vs previous 13F -1,742,630 shares

    <0.01% of the 13F portfolio, value $988,152.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT LLC
    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 1,915,990 shares
    Change vs previous 13F +1,546,477 shares

    0.01% of the 13F portfolio, value $9,273,392.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT LLC
    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 369,513 shares
    Change vs previous 13F +357,467 shares

    <0.01% of the 13F portfolio, value $1,064,197.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM MANAGEMENT LLC
    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 12,046 shares
    Change vs previous 13F -267 shares

    <0.01% of the 13F portfolio, value $13,010.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM MANAGEMENT LLC
    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 12,313 shares
    Change vs previous 13F -9,194 shares

    <0.01% of the 13F portfolio, value $14,160.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT LLC
    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 21,507 shares
    Change vs previous 13F -10,188 shares

    <0.01% of the 13F portfolio, value $24,518.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT LLC
    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 31,695 shares
    Change vs previous 13F -252,132 shares

    <0.01% of the 13F portfolio, value $49,444.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT LLC
    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 283,827 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $456,961.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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