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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.

Q1 2026 vs. Q4 2025

How the institutions holding Iridium Communications Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of IRDM: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders3256382+63
Shares93.8M10.2M90.3M+6.72M (+8.0%)
Value$1.63B$177.4M$2.50B+$1.05B (+72.2%)

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (108)

Institutions that held Iridium Communications Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 108 by value.

Institutions new to IRDM in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Portfolio Management LLC6,091,749$169.0M0.01%
Vanguard Capital Management LLC4,111,325$114.0M0.00%
Vanguard Fiduciary Trust Co636,855$17.7M0.00%
Panagora Asset Management Inc529,520$14.7M0.06%
Robertson Opportunity Capital, LLC287,346$7.97M3.07%
CX Institutional272,787$7.57M0.23%
Morgens Waterfall Vintiadis & Co Inc154,000$4.27M5.26%
Renaissance Technologies LLC128,100$3.55M0.01%
Mariner, LLC117,695$3.26M0.00%
Oak Thistle LLC113,057$3.14M0.30%
Envestnet Asset Management Inc106,301$2.95M0.00%
Quadrature Capital Ltd89,685$2.49M0.03%
SIH Partners, LLLP75,691$2.10M0.06%
Edgestream Partners, L.P.75,082$2.08M0.07%
Skopos Labs, Inc.71,837$1.99M0.06%
Vanguard Investments Australia, Ltd.71,253$1.98M0.01%
Vanguard Asset Management, Ltd69,459$1.93M0.00%
Range Financial Group LLC68,634$1.90M0.64%
Cerity Partners LLC55,130$1.53M0.00%
Illinois Municipal Retirement Fund51,592$1.43M0.02%
Guidance Capital, Inc30,949$1.21M0.27%
Vanguard Global Advisers, LLC42,315$1.17M0.00%
South Dakota Investment Council41,500$1.15M0.02%
Ieq Capital, LLC41,420$1.15M0.01%
Harbor Capital Advisors, Inc.38,065$1.06M0.09%
Caisse de Depot Et Placement du Quebec35,600$987.5K0.00%
Davy Global Fund Management Ltd27,320$757.9K0.06%
First Citizens Bank & Trust Co25,728$713.7K0.02%
Envestnet Portfolio Solutions, Inc.24,795$687.8K0.00%
Nomura Asset Management International Inc.24,357$676.0K0.00%
Harvest Fund Management Co., Ltd24,198$671.0K0.03%
IFS Group,LLC22,128$613.8K0.55%
Royce & Associates LP20,912$580.1K0.01%
Groupe la Francaise20,438$567.0K0.01%
Corsair Capital Management, L.P.20,000$554.8K0.08%
Alps Advisors Inc19,920$552.6K0.00%
Boothbay Fund Management, LLC19,555$542.5K0.01%
Captrust Financial Advisors18,740$519.6K0.00%
Virginia Retirement Systems Et Al18,150$503.5K0.00%
Cambridge Investment Research Advisors, Inc.18,042$500.0K0.00%
Brighton Jones LLC15,564$431.7K0.01%
Oppenheimer & Co Inc15,297$424.3K0.01%
Nomura Holdings Inc15,000$416.1K0.00%
Krilogy Financial LLC9,575$415.7K0.01%
Merit Financial Group, LLC13,988$388.0K0.00%
Exchange Traded Concepts, LLC13,891$385.3K0.00%
Jain Global LLC13,704$380.1K0.00%
Corecam Pte. Ltd.12,026$333.6K0.14%
Resources Investment Advisors, LLC.11,621$322.4K0.00%
Chicago Partners Investment Group LLC7,557$305.3K0.01%
Colony Group, LLC10,823$300.2K0.00%
Values First Advisors, Inc.10,302$285.8K0.15%
Xponance, Inc.10,216$283.4K0.00%
CI Private Wealth, LLC10,007$277.6K0.00%
RMB Capital Management, LLC9,612$266.6K0.00%
Buckingham Strategic Partners9,457$262.3K0.00%
Integrated Wealth Concepts LLC9,190$254.9K0.00%
O'Shaughnessy Asset Management, LLC9,037$250.7K0.00%
Pekin Hardy Strauss, Inc.9,000$249.7K0.03%
HB Wealth Management, LLC8,989$249.4K0.00%
Sanctuary Advisors, LLC8,814$244.5K0.00%
Dynamic Technology Lab Private Ltd8,648$239.9K0.04%
QRG Capital Management, Inc.8,609$238.8K0.00%
Bull Harbor Capital LLC8,501$235.8K0.06%
Summit Global Investments8,421$234.0K0.01%
Rockefeller Capital Management L.P.8,307$230.4K0.00%
Independent Financial Group, LLC8,208$227.7K0.01%
Glenmede Trust Co NA8,127$225.4K0.00%
Baird Financial Group, Inc.8,003$222.0K0.00%
VestGen Advisors, LLC5,278$219.9K0.01%
Americana Partners, LLC7,792$216.2K0.01%
Claret Asset Management Corp7,618$211.0K0.03%
Kassira Wealth Management LLC7,261$201.4K0.19%
IFM Investors Pty Ltd5,700$158.1K0.00%
Trask Adam Roland3,836$106.4K0.10%
Bokf, NA3,000$83.2K0.00%
Toth Financial Advisory Corp1,221$33.9K0.00%
Innovative Asset Advisors Group, LLC1,037$28.8K0.02%
RWM Asset Management, LLC920$25.5K0.00%
Wealth Preservation Advisors, LLC652$18.1K0.02%
Marshall Investment Management, LLC532$14.8K0.01%
Golden State Equity Partners450$12.5K0.00%
Elequin Capital LP436$12.1K0.00%
Acumen Wealth Advisors, LLC348$9.65K0.00%
Activest Wealth Management324$8.99K0.00%
Hurley Capital, LLC271$7.52K0.00%
Valued Wealth Advisors LLC216$5.99K0.00%
Highline Wealth Partners LLC199$5.52K0.00%
Optiver Holding B.V.169$4.69K0.00%
Independence Bank of Kentucky150$4.16K0.00%
True Wealth Design, LLC89$2.47K0.00%
ZRC Wealth Management, LLC88$2.44K0.00%
CVA Family Office, LLC85$2.36K0.00%
Investors Portfolio Services LLC43$1.87K0.00%
Sunbelt Securities, Inc.67$1.86K0.00%
JPL Wealth Management, LLC50$1.39K0.00%
Kilter Group LLC50$1.39K0.00%
Fortitude Family Office, LLC45$1.25K0.00%
Spire Wealth Management29$8040.00%
Atlantic Union Bankshares Corp24$6660.00%

Sold out (45)

Institutions that held Iridium Communications Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of IRDM in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Voloridge Investment Management, LLC812,037$14.1M
Trexquant Investment LP531,620$9.24M
Qube Research & Technologies Ltd506,601$8.80M
Maxi Investments CY Ltd424,000$7.37M
Two Sigma Advisers, LP353,826$6.15M
Crossmark Global Holdings, Inc.291,486$5.07M
Dark Forest Capital Management LP248,011$4.31M
Bamco Inc200,000$3.48M
Squarepoint Ops LLC153,756$2.67M
Engineers Gate Manager LP151,605$2.63M
Redwood Investment Management, LLC138,991$2.42M
Jane Street Group, LLC103,282$1.80M
Weiss Asset Management LP96,497$1.68M
Verition Fund Management LLC84,442$1.47M
Gilder Gagnon Howe & Co LLC63,650$1.11M
IMC-Chicago, LLC63,051$1.10M
VARCOV Co.54,471$946.7K
RD Finance Ltd51,150$889.0K
Brevan Howard Capital Management LP41,248$716.9K
EntryPoint Capital, LLC28,508$495.5K
Lecap Asset Management Ltd27,681$481.1K
Skylands Capital, LLC26,800$465.8K
Versor Investments LP25,485$442.9K
BBR Partners, LLC22,809$396.4K
PharVision Advisers, LLC21,298$370.2K
Y-Intercept (Hong Kong) Ltd21,122$367.1K
Quest Partners LLC19,709$342.5K
Campbell & CO Investment Adviser LLC19,196$333.6K
Bayforest Capital Ltd19,144$332.7K
Headlands Technologies LLC16,848$292.8K
J. Goldman & Co LP15,000$260.7K
Swiss Life Asset Management Ltd13,461$234.0K
Diversified Trust Co12,729$221.2K
Wexford Capital LP5,339$92.8K
Kestra Advisory Services, LLC1,528$26.6K
SageView Advisory Group, LLC808$14.0K
Danske Bank A/S500$8.69K
Larson Financial Group LLC311$5.41K
Clarity Asset Management, Inc.101$1.75K
Flagship Harbor Advisors, LLC50$869
Concord Wealth Partners28$487
Kerr Financial Planning Corp13$247
Signature Equity Partners, LLC13$226
Clearstead Advisors, LLC8$140
Rachor Investment Advisory Services, LLC6$105

Not filed for Q1 2026 yet (6)

Institutions that held Iridium Communications Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRDM in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc10,157,227$176.5M
Comerica Bank41,608$723.1K
Sherbrooke Park Advisers LLC10,006$173.9K
Global Retirement Partners, LLC833$14.5K
CIBC Private Wealth Group, LLC207$3.60K
ORG Partners LLC45$782