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Disclosery

ARK Investment Management LLC: IRDM position timeline

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

ARK Investment Management LLC held 1,215,113 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 1,215,113 shares
    Change vs previous 13F -511,689 shares

    0.43% of the 13F portfolio, value $66,648,948.

    13F-HR 0001104659-26-096910 filed by ARK Investment 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 1,726,802 shares
    Change vs previous 13F -1,123,804 shares

    0.37% of the 13F portfolio, value $47,901,487.

    13F-HR 0001104659-26-059240 filed by ARK Investment 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 2,850,606 shares
    Change vs previous 13F -3,639,502 shares

    0.33% of the 13F portfolio, value $49,543,532.

    13F-HR 0001104659-26-013538 filed by ARK Investment 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 6,490,108 shares
    Change vs previous 13F +1,156,580 shares

    0.67% of the 13F portfolio, value $113,317,286.

    13F-HR 0001104659-25-110217 filed by ARK Investment 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 5,333,528 shares
    Change vs previous 13F +441,851 shares

    1.18% of the 13F portfolio, value $160,912,540.

    13F-HR 0001104659-25-072098 filed by ARK Investment 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 4,891,677 shares
    Change vs previous 13F +2,383,962 shares

    1.34% of the 13F portfolio, value $133,640,616.

    13F-HR 0001104659-25-045396 filed by ARK Investment 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 2,507,715 shares
    Change vs previous 13F +134,924 shares

    0.61% of the 13F portfolio, value $72,773,889.

    13F-HR 0001104659-25-009155 filed by ARK Investment 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 2,372,791 shares
    Change vs previous 13F not available

    0.66% of the 13F portfolio, value $72,251,486.

    13F-HR 0001104659-24-113006 filed by ARK Investment Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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