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MILLENNIUM MANAGEMENT LLC: ALRM position timeline

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

MILLENNIUM MANAGEMENT LLC held 191,877 ALRM 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 191,877 shares
    Change vs previous 13F +93,170 shares

    0.01% of the 13F portfolio, value $8,964,493.

    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 98,707 shares
    Change vs previous 13F -136,052 shares

    <0.01% of the 13F portfolio, value $4,263,155.

    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 234,759 shares
    Change vs previous 13F -1,247 shares

    0.01% of the 13F portfolio, value $11,977,404.

    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 236,006 shares
    Change vs previous 13F +124,911 shares

    0.01% of the 13F portfolio, value $12,527,198.

    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 111,095 shares
    Change vs previous 13F +3,209 shares

    0.01% of the 13F portfolio, value $6,284,644.

    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 107,886 shares
    Change vs previous 13F -106,029 shares

    0.01% of the 13F portfolio, value $6,003,856.

    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 213,915 shares
    Change vs previous 13F -68,592 shares

    0.01% of the 13F portfolio, value $13,006,032.

    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 282,507 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $15,444,658.

    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).