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MILLENNIUM MANAGEMENT LLC: IRDM position timeline

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

MILLENNIUM MANAGEMENT LLC held 153,205 IRDM 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 153,205 shares
    Change vs previous 13F -341,457 shares

    0.01% of the 13F portfolio, value $8,403,294.

    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 494,662 shares
    Change vs previous 13F -505,721 shares

    0.01% of the 13F portfolio, value $13,721,924.

    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 ended2024-09-30
    13F 1,000,383 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $30,461,662.

    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).