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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; 484 institutions reported holding it in 13F filings for Q2 2026, worth $5.01B in total; ARK Invest is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Iridium Communications Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of IRDM: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders3323324−5
Shares101.5M540.9K101.5M+532.3K (+0.5%)
Value$3.06B$16.3M$1.79B−$1.26B (−41.3%)

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (62)

Institutions that held Iridium Communications Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to IRDM in Q3 2025
InstitutionSharesValue% of portfolio
M&G Plc680,857$11.6M0.06%
Tudor Investment Corp Et Al660,934$11.5M0.07%
Voloridge Investment Management, LLC380,303$6.64M0.02%
Balyasny Asset Management LLC293,366$5.12M0.01%
Worldquant Millennium Advisors LLC170,747$2.98M0.01%
Amundi126,760$2.54M0.00%
Twinbeech Capital LP140,311$2.45M0.10%
Bridgewater Associates, LP116,726$2.04M0.01%
XTX Topco Ltd107,834$1.88M0.10%
PDT Partners, LLC90,226$1.58M0.10%
Virtu Financial LLC72,619$1.27M0.07%
Wedge Capital Management L L P66,549$1.16M0.02%
Gilder Gagnon Howe & Co LLC63,772$1.11M0.01%
Oak Thistle LLC61,500$1.07M0.16%
New Century Financial Group, LLC56,663$989.3K1.76%
Dynamic Technology Lab Private Ltd52,304$913.0K0.15%
Icon Advisers Inc51,567$900.4K0.20%
Lecap Asset Management Ltd51,157$893.2K0.31%
Numerai GP LLC34,262$598.2K0.08%
Marex Group plc33,643$587.4K0.01%
Bayesian Capital Management, LP31,800$555.2K0.11%
Campbell & CO Investment Adviser LLC31,703$553.5K0.04%
Boothbay Fund Management, LLC31,697$553.4K0.01%
Axq Capital, LP29,911$522.2K0.20%
DRW Securities, LLC26,808$479.6K0.02%
IMC-Chicago, LLC25,309$441.9K0.01%
Horizon Investments, LLC23,217$405.4K0.01%
Headlands Technologies LLC22,036$384.7K0.03%
Quantbot Technologies LP22,006$384.2K0.01%
IFS Group,LLC16,728$295.1K0.26%
Simplex Trading, LLC15,516$270.0K0.01%
Prelude Capital Management, LLC14,455$252.4K0.02%
Bayforest Capital Ltd14,199$247.9K0.12%
EntryPoint Capital, LLC13,687$239.0K0.09%
Polymer Capital Management (US) LLC12,227$213.5K0.03%
CBOE Vest Financial, LLC11,316$197.6K0.00%
Summit Trail Advisors, LLC10,774$188.1K0.00%
Caxton Associates LLP10,567$184.5K0.01%
Envestnet Asset Management Inc10,088$176.1K0.00%
LSV Asset Management9,800$171.0K0.00%
Vestcor Inc9,194$161.0K0.00%
Advisory Services Network, LLC2,727$47.6K0.00%
Aster Capital Management (DIFC) Ltd2,654$46.3K0.02%
CIBC Private Wealth Group, LLC1,854$32.4K0.00%
Groupe la Francaise1,500$22.1K0.00%
Pinnacle Holdings, LLC1,051$18.4K0.01%
Hillsdale Investment Management Inc.700$12.2K0.00%
Quadrant Capital Group LLC689$12.0K0.00%
Pin Oak Investment Advisors Inc255$4.45K0.00%
Root Financial Partners, LLC219$3.82K0.00%
Quent Capital, LLC103$1.80K0.00%
NBC Securities, Inc.100$1.75K0.00%
TD Private Client Wealth LLC100$1.75K0.00%
First Horizon Corp91$1.59K0.00%
Rockefeller Capital Management L.P.77$1.35K0.00%
Wealthspire Advisors, LLC58$1.01K0.00%
Halbert Hargrove Global Advisors, LLC31$5420.00%
Caitong International Asset Management Co., Ltd19$3320.00%
Retirement Wealth Solutions LLC10$1750.00%
Transamerica Financial Advisors, Inc.8$1400.00%
MV Capital Management, Inc.7$1230.00%
Cloud Capital Management, LLC14$00.00%

Sold out (67)

Institutions that held Iridium Communications Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of IRDM in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Van Berkom & Associates Inc.2,863,178$86.4M
ArrowMark Colorado Holdings LLC1,296,544$39.1M
Acadian Asset Management LLC300,714$9.06M
HRT Financial LP202,938$6.12M
Public Sector Pension Investment Board202,501$6.11M
California Public Employees Retirement System195,045$5.88M
La Banque Postale Asset Management SA182,071$5.49M
Point72 Asset Management, L.P.136,311$4.11M
Aquatic Capital Management LLC133,362$4.02M
Graphene Investments SAS115,300$3.48M
Private Advisor Group, LLC109,974$3.32M
Los Angeles Capital Management LLC95,185$2.87M
Virginia Retirement Systems Et Al56,100$1.69M
Castle Rock Wealth Management, LLC50,024$1.60M
Riverwater Partners LLC49,261$1.49M
Gabelli Funds LLC45,000$1.36M
Allen Wealth Management, LLC43,609$1.32M
Caption Management, LLC40,000$1.21M
Brookwood Investment Group LLC38,614$1.16M
Fox Run Management, L.L.C.30,930$933.2K
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna22,423$676.5K
Jump Financial, LLC19,106$576.4K
Ilex Capital Partners (UK) LLP18,363$554.0K
Jain Global LLC15,913$480.1K
Readystate Asset Management LP15,303$461.7K
Integrated Advisors Network LLC15,221$459.2K
Diversified Trust Co14,111$425.7K
Alps Advisors Inc13,159$397.0K
Jaffetilchin Investment Partners, LLC13,011$392.6K
Jefferies Financial Group Inc.12,160$366.9K
Natixis Advisors, L.P.12,007$362.0K
Harbour Capital Advisors, LLC11,105$350.0K
Connor, Clark & Lunn Investment Management Ltd.11,173$337.1K
Cambridge Investment Research Advisors, Inc.11,167$337.0K
Point72 Asia (Singapore) Pte. Ltd.10,915$329.3K
Capstone Investment Advisors, LLC10,728$323.7K
Truist Financial Corp10,499$316.8K
Blueshift Asset Management, LLC9,756$294.3K
JustInvest LLC9,158$276.3K
Gamco Investors, Inc. Et Al8,600$259.5K
Independent Financial Group, LLC8,208$247.6K
QRG Capital Management, Inc.8,013$241.7K
Wealth Enhancement Advisory Services, LLC7,406$235.5K
Claret Asset Management Corp7,742$234.0K
Vident Advisory, LLC7,441$224.5K
Inspire Advisors, LLC6,707$202.4K
Whalen Wealth Management Inc.6,666$201.1K
Connable Office Inc6,659$200.9K
Financiere des Professionnels - Fonds d,investissement inc.5,169$155.9K
Johnson Financial Group, Inc.2,317$69.9K
Harvest Fund Management Co., Ltd2,216$67.0K
Spire Wealth Management1,000$30.2K
Skopos Labs, Inc.770$23.2K
Thurston, Springer, Miller, Herd & Titak, Inc.74$2.23K
Moisand Fitzgerald Tamayo, LLC48$1.45K
Twin Peaks Wealth Advisors, LLC52$1.29K
Asset Dedication, LLC40$1.21K
Sierra Ocean, LLC33$996
Assetmark, Inc30$905
Northwest Capital Management Inc25$754
Whipplewood Advisors, LLC16$483
Kilter Group LLC15$453
SJS Investment Consulting Inc.9$272
HFM Investment Advisors, LLC8$241
Essential Partners LLC2$60
Stephens Consulting, LLC1$31
True Wealth Design, LLC1$31

Not filed for Q3 2025 yet (3)

Institutions that held Iridium Communications Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRDM in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank540,176$16.3M
First Horizon Advisors, Inc.744$22.4K
Parkworth Wealth Management, Inc.3$91