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Livermore
Livermore
ZHEN

Iridium Communications Inc.

IRDM
Exchange
Nasdaq
Industry
Communications Services, NEC
SEC CIK
0001418819

In the last 90 days, Iridium Communications Inc. insiders filed 0 open-market purchases and 8 sales; 483 institutions reported holding it in 13F filings for Q2 2026, worth $5.01B in total; ARK Invest is the only superinvestor holding it.

Superinvestors holding IRDM, Q2 2026

1 superinvestor reports holding Iridium Communications Inc. on Form 13F, worth $66.6M in total. Weight is Iridium Communications Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.

See all superinvestors
Superinvestors holding IRDM in Q2 2026
Superinvestor% of portfolioSharesValuevs. previous quarter
ARK InvestCathie Wood0.4%1,215,113$66.6MReduced−29.6%

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of IRDM each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−29.6%)

  2. Q1 2026

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−39.4%)

  3. Q4 2025

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−56.1%)

  4. Q3 2025

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+21.7%)

  5. Q2 2025

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+9.0%)

  6. Q1 2025

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+95.1%)

  7. Q4 2024

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+5.7%)

  8. Q3 2024

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−5.9%)

  9. Q2 2024

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−2.0%)
    Sold out
    Maverick Capital

  10. Q1 2024

    2 superinvestors holding at quarter end

    New
    Maverick Capital
    Added
    ARK Invest (+18.4%)

  11. Q4 2023

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+12.9%)

  12. Q3 2023

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+24.3%)

  13. Q2 2023

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+6.6%)

  14. Q1 2023

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−2.8%)

  15. Q4 2022

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−15.5%)

  16. Q3 2022

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−19.5%)

  17. Q2 2022

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−6.7%)

  18. Q1 2022

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−76.8%)

  19. Q4 2021

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−15.3%)

  20. Q3 2021

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−11.9%)

  21. Q2 2021

    1 superinvestor holding at quarter end

    Added
    ARK Invest (+31.3%)
    Sold out
    Maverick Capital