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BlackRock, Inc.: IRDM position timeline

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

BlackRock, Inc. held 13,447,338 IRDM shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 13,447,338 shares
    Change vs previous 13F -492,280 shares

    0.01% of the 13F portfolio, value $737,586,517.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 13,939,618 shares
    Change vs previous 13F +2,144,033 shares

    0.01% of the 13F portfolio, value $386,684,998.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 11,795,585 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $359,175,568.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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