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

13F holders, Q1 2026

Institutional positions in Iridium Communications Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
382
+63 vs. Q4 2025
Shares held
90.3M
+6.72M (+8.0%) vs. Q4 2025
Total value
$2.50B
+$1.05B (+72.2%) vs. Q4 2025
New holders
108
123 more added
Sold out
45
102 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IRDM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 382 institutions
Q1 2021: 301 institutionsQ2 2021: 279 institutionsQ3 2021: 310 institutionsQ4 2021: 309 institutionsQ1 2022: 311 institutionsQ2 2022: 310 institutionsQ3 2022: 330 institutionsQ4 2022: 365 institutionsQ1 2023: 373 institutionsQ2 2023: 392 institutionsQ3 2023: 361 institutionsQ4 2023: 347 institutionsQ1 2024: 330 institutionsQ2 2024: 344 institutionsQ3 2024: 353 institutionsQ4 2024: 349 institutionsQ1 2025: 351 institutionsQ2 2025: 332 institutionsQ3 2025: 324 institutionsQ4 2025: 325 institutionsQ1 2026: 382 institutionsQ2 2026: 484 institutions
Value heldQ1 2026: $2.50B
Q1 2021: $4.48BQ2 2021: $4.52BQ3 2021: $4.56BQ4 2021: $4.76BQ1 2022: $4.41BQ2 2022: $4.09BQ3 2022: $4.73BQ4 2022: $5.37BQ1 2023: $6.54BQ2 2023: $6.40BQ3 2023: $4.64BQ4 2023: $4.25BQ1 2024: $2.71BQ2 2024: $2.70BQ3 2024: $3.00BQ4 2024: $2.91BQ1 2025: $2.84BQ2 2025: $3.06BQ3 2025: $1.79BQ4 2025: $1.63BQ1 2026: $2.50BQ2 2026: $5.01B
Institutions holding IRDM and their total value by quarter
QuarterHoldersValue
Q2 2026484$5.01B
Q1 2026382$2.50B
Q4 2025325$1.63B
Q3 2025324$1.79B
Q2 2025332$3.06B
Q1 2025351$2.84B
Q4 2024349$2.91B
Q3 2024353$3.00B
Q2 2024344$2.70B
Q1 2024330$2.71B
Q4 2023347$4.25B
Q3 2023361$4.64B
Q2 2023392$6.40B
Q1 2023373$6.54B
Q4 2022365$5.37B
Q3 2022330$4.73B
Q2 2022310$4.09B
Q1 2022311$4.41B
Q4 2021309$4.76B
Q3 2021310$4.56B
Q2 2021279$4.52B
Q1 2021301$4.48B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q4 2025.

Institutions holding IRDM in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Innovative Asset Advisors Group, LLC1,037$28.8K0.02%+1,037New
Harbor Investment Advisory, LLC1,000$27.7K0.00%00.0%Unchanged
Ancora Advisors, LLC966$26.8K0.00%+231+31.4%Added
RWM Asset Management, LLC920$25.5K0.00%+920New
Signaturefd, LLC789$21.9K0.00%+256+48.0%Added
Wealth Preservation Advisors, LLC652$18.1K0.02%+652New
National Bank of Canada633$17.6K0.00%−86−12.0%Reduced
SJS Investment Consulting Inc.619$17.2K0.00%+371+149.6%Added
Hazlett, Burt & Watson, Inc.600$17.0K0.01%00.0%Unchanged
Federation des caisses Desjardins du Quebec580$16.1K0.00%+140+31.8%Added
Marshall Investment Management, LLC532$14.8K0.01%+532New
Golden State Equity Partners450$12.5K0.00%+450New
Elequin Capital LP436$12.1K0.00%+436New
IFP Advisors, Inc414$11.5K0.00%+99+31.4%Added
Ameriflex Group, Inc.400$11.1K0.01%00.0%Unchanged
Versant Capital Management, Inc385$10.7K0.00%+45+13.2%Added
Smartleaf Asset Management LLC371$9.95K0.00%+225+154.1%Added
Acumen Wealth Advisors, LLC348$9.65K0.00%+348New
Activest Wealth Management324$8.99K0.00%+324New
Advisory Services Network, LLC313$8.68K0.00%−20,596−98.5%Reduced
TD Waterhouse Canada Inc.300$8.56K0.00%00.0%Unchanged
Hurley Capital, LLC271$7.52K0.00%+271New
Pin Oak Investment Advisors Inc255$7.00K0.00%00.0%Unchanged
Smithfield Trust Co225$7.00K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC244$6.77K0.00%+243+24,300.0%Added
Sittner & Nelson, LLC235$6.52K0.00%+135+135.0%Added
Valued Wealth Advisors LLC216$5.99K0.00%+216New
Basecamp Wealth Advisors LLC210$5.83K0.00%+46+28.0%Added
Geneos Wealth Management Inc.201$5.58K0.00%+1+0.5%Added
Harbour Investments, Inc.200$5.55K0.00%00.0%Unchanged
Highline Wealth Partners LLC199$5.52K0.00%+199New
Red Tortoise LLC181$5.02K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC170$4.72K0.00%00.0%Unchanged
Optiver Holding B.V.169$4.69K0.00%+169New
Prestige Wealth Management Group LLC161$4.47K0.00%00.0%Unchanged
Byrne Asset Management LLC155$4.30K0.00%−5−3.1%Reduced
Independence Bank of Kentucky150$4.16K0.00%+150New
Capital Advisors, Ltd. LLC152$4.00K0.00%+149+4,966.7%Added
Federated Hermes, Inc.121$3.36K0.00%−32−20.9%Reduced
SHP Wealth Management116$3.22K0.00%+85+274.2%Added
Quent Capital, LLC114$3.16K0.00%+46+67.6%Added
Strategic Wealth Partners, Ltd.105$2.91K0.00%00.0%Unchanged
Financial Management Professionals, Inc.104$2.89K0.00%00.0%Unchanged
NBC Securities, Inc.101$2.81K0.00%+1+1.0%Added
Massmutual Trust Co FSB101$2.80K0.00%00.0%Unchanged
Sfam, LLC100$2.77K0.00%00.0%Unchanged
Torren Management, LLC93$2.59K0.00%−1,233−93.0%Reduced
True Wealth Design, LLC89$2.47K0.00%+89New
Sachetta, LLC88$2.44K0.00%00.0%Unchanged
ZRC Wealth Management, LLC88$2.44K0.00%+88New
Northwestern Mutual Wealth Management Co86$2.39K0.00%00.0%Unchanged
CVA Family Office, LLC85$2.36K0.00%+85New
Natixis77$2.14K0.00%−52,098−99.9%Reduced
Investors Portfolio Services LLC43$1.87K0.00%+43New
Sunbelt Securities, Inc.67$1.86K0.00%+67New
Retirement Wealth Solutions LLC62$1.72K0.00%+4+6.9%Added
Financial Consulate, Inc51$1.42K0.00%+25+96.2%Added
JPL Wealth Management, LLC50$1.39K0.00%+50New
Kilter Group LLC50$1.39K0.00%+50New
Farmers & Merchants Investments Inc45$1.25K0.00%00.0%Unchanged
Fortitude Family Office, LLC45$1.25K0.00%+45New
Huntington National Bank30$8320.00%00.0%Unchanged
Spire Wealth Management29$8040.00%+29New
Atlantic Union Bankshares Corp24$6660.00%+24New
International Assets Investment Management, LLC20$5700.00%−300−93.8%Reduced
JFS Wealth Advisors, LLC20$5550.00%00.0%Unchanged
Ankerstar Wealth, LLC18$4990.00%+1+5.9%Added
Wealth Enhancement Trust Services, Inc.18$4990.00%+18New
Gilpin Wealth Management, LLC16$4440.00%+7+77.8%Added
Bogart Wealth, LLC11$3050.00%+11New
Cromwell Holdings LLC11$3050.00%+11New
Transamerica Financial Advisors, Inc.8$2210.00%00.0%Unchanged
MV Capital Management, Inc.6$1670.00%00.0%Unchanged
Rialto Wealth Management, LLC6$1670.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC6$1660.00%+4+200.0%Added
Vermillion Wealth Management, Inc.4$1110.00%+4New
DiNuzzo Private Wealth, Inc.3$840.00%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC3$840.00%+3New
Twin Peaks Wealth Advisors, LLC3$830.00%+3New
Dunhill Financial, LLC1$500.00%−1−50.0%Reduced
Raffa Wealth Management, LLC1$280.00%+1New
Curio Wealth, LLC1$280.00%+1New
Voloridge Investment Management, LLC0$00.00%−812,037−100.0%Sold out
Trexquant Investment LP0$00.00%−531,620−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−506,601−100.0%Sold out
Maxi Investments CY Ltd0$00.00%−424,000−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−353,826−100.0%Sold out
Crossmark Global Holdings, Inc.0$00.00%−291,486−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−248,011−100.0%Sold out
Bamco Inc0$00.00%−200,000−100.0%Sold out
Squarepoint Ops LLC0$00.00%−153,756−100.0%Sold out
Engineers Gate Manager LP0$00.00%−151,605−100.0%Sold out
Redwood Investment Management, LLC0$00.00%−138,991−100.0%Sold out
Jane Street Group, LLC0$00.00%−103,282−100.0%Sold out
Weiss Asset Management LP0$00.00%−96,497−100.0%Sold out
Verition Fund Management LLC0$00.00%−84,442−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−63,650−100.0%Sold out
IMC-Chicago, LLC0$00.00%−63,051−100.0%Sold out
VARCOV Co.0$00.00%−54,471−100.0%Sold out
RD Finance Ltd0$00.00%−51,150−100.0%Sold out