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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.

13F holders, Q1 2025

Institutional positions in Iridium Communications Inc. as of Mar 31, 2025. 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
351
+5 vs. Q4 2024
Shares held
104.0M
+4.41M (+4.4%) vs. Q4 2024
Total value
$2.84B
−$48.9M (−1.7%) vs. Q4 2024
New holders
51
137 more added
Sold out
46
120 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 351 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 2025: $2.84B
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 2025

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q4 2024.

Institutions holding IRDM in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Twinbeech Capital LP277,022$7.57M0.14%+277,022New
Man Group plc279,122$7.63M0.02%+95,731+52.2%Added
Retirement Systems of Alabama283,870$7.76M0.03%−5,960−2.1%Reduced
Renaissance Technologies LLC296,699$8.11M0.01%+280,669+1,750.9%Added
Rhumbline Advisers299,969$8.20M0.01%−17,485−5.5%Reduced
Nordea Investment Management AB311,506$8.49M0.01%+62,904+25.3%Added
BNP Paribas Arbitrage, SA320,535$8.76M0.01%+107,362+50.4%Added
Trexquant Investment LP390,325$10.7M0.12%−50,858−11.5%Reduced
Qube Research & Technologies Ltd392,334$10.7M0.02%+43,448+12.5%Added
AQR Capital Management LLC410,476$11.1M0.01%−530,295−56.4%Reduced
Citadel Advisors LLC415,348$11.3M0.01%+116,585+39.0%Added
Legal & General Group Plc421,217$11.5M0.00%−3,206−0.8%Reduced
UBS Group AG493,197$13.5M0.00%+100,019+25.4%Added
Cubist Systematic Strategies, LLC507,355$13.9M0.18%+402,759+385.1%Added
Brown Advisory Inc510,292$13.9M0.02%−684−0.1%Reduced
UBS Asset Management Americas Inc539,566$14.7M0.00%+75,060+16.2%Added
Arrowstreet Capital, Limited Partnership548,381$15.0M0.01%+117,645+27.3%Added
Nuveen, LLC576,970$15.8M0.00%+576,970New
Voya Investment Management LLC633,796$17.3M0.02%+203,523+47.3%Added
Raymond James Financial Inc645,636$17.6M0.01%+38,698+6.4%Added
Bank of America Corp678,459$18.5M0.00%+434,539+178.1%Added
Invesco Ltd.718,843$19.6M0.00%+59,698+9.1%Added
JPMorgan Chase & Co738,824$20.2M0.00%+106,972+16.9%Added
Pinnacle Associates Ltd764,065$20.9M0.31%−31,186−3.9%Reduced
Anchor Capital Management Company, LLC775,917$21.2M21.20%+56,000+7.8%Added
FMR LLC812,490$22.2M0.00%−29,848−3.5%Reduced
Gotham Asset Management, LLC879,385$24.0M0.20%+175,992+25.0%Added
Select Equity Group, L.P.887,168$24.2M0.11%+135,980+18.1%Added
Norges Bank900,509$24.6M0.00%−72,600−7.5%Reduced
Barclays PLC919,968$25.1M0.01%−68,850−7.0%Reduced
Pacer Advisors, Inc.1,026,681$28.0M0.07%+285,104+38.4%Added
Charles Schwab Investment Management Inc1,082,279$29.6M0.01%−10,944−1.0%Reduced
Bank of New York Mellon Corp1,287,755$35.2M0.01%−9,921−0.8%Reduced
Millennium Management LLC1,447,889$39.6M0.04%+653,201+82.2%Added
ArrowMark Colorado Holdings LLC1,572,402$43.0M0.70%−515,651−24.7%Reduced
Northern Trust Corp1,719,684$47.0M0.01%−107,727−5.9%Reduced
Price T Rowe Associates Inc1,945,852$53.2M0.01%+234,813+13.7%Added
Geode Capital Management, LLC2,020,610$55.2M0.00%+13,889+0.7%Added
Schroder Investment Management Group2,120,845$58.4M0.06%−92,667−4.2%Reduced
Morgan Stanley2,188,488$59.8M0.00%+304,488+16.2%Added
American Century Companies Inc2,198,343$60.1M0.04%+462,501+26.6%Added
Dimensional Fund Advisors LP2,516,469$68.7M0.02%+454,403+22.0%Added
Van Berkom & Associates Inc.2,885,345$78.8M2.53%−286,605−9.0%Reduced
Silver Heights Capital Management Inc3,726,863$101.8M46.26%+11,392+0.3%Added
Nikko Asset Management Americas, Inc.3,889,045$106.2M1.37%+1,061,465+37.5%Added
Sumitomo Mitsui Trust Holdings, Inc.3,893,145$106.4M0.08%+1,064,093+37.6%Added
State Street Corp4,455,603$121.7M0.01%+72,154+1.6%Added
ARK Investment Management LLCSuperinvestorARK Invest4,891,677$133.6M1.34%+2,383,962+95.1%Added
Bamco Inc9,271,284$253.3M0.74%−1,498,093−13.9%Reduced
Vanguard Group Inc9,837,714$268.8M0.00%−973,870−9.0%Reduced
BlackRock, Inc.11,522,163$314.8M0.01%−1,183,667−9.3%Reduced
Proequities, Inc.0$00.00%−2−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−206,774−100.0%Sold out
Winton Group Ltd0$00.00%−160,291−100.0%Sold out
Weiss Asset Management LP0$00.00%−153,070−100.0%Sold out
Alberta Investment Management Corp0$00.00%−96,160−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−64,935−100.0%Sold out
Walleye Capital LLC0$00.00%−40,128−100.0%Sold out
Quantbot Technologies LP0$00.00%−33,454−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−32,793−100.0%Sold out
Advisors Preferred, LLC0$00.00%−28,601−100.0%Sold out
Main Management ETF Advisors, LLC0$00.00%−27,768−100.0%Sold out
Ieq Capital, LLC0$00.00%−18,540−100.0%Sold out
Savant Capital, LLC0$00.00%−17,471−100.0%Sold out
Fieldview Capital Management, LLC0$00.00%−16,673−100.0%Sold out
Nomura Holdings Inc0$00.00%−15,106−100.0%Sold out
Congress Wealth Management LLC0$00.00%−15,100−100.0%Sold out
Diversified Trust Co0$00.00%−13,293−100.0%Sold out
IFM Investors Pty Ltd0$00.00%−12,922−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−12,821−100.0%Sold out
Main Street Financial Solutions, LLC0$00.00%−11,724−100.0%Sold out
Connable Office Inc0$00.00%−11,559−100.0%Sold out
Jaffetilchin Investment Partners, LLC0$00.00%−10,788−100.0%Sold out
Virtu Financial LLC0$00.00%−10,341−100.0%Sold out
Zacks Investment Management0$00.00%−9,756−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−9,699−100.0%Sold out
Total Wealth Planning & Management, Inc.0$00.00%−9,418−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−8,875−100.0%Sold out
Cornercap Investment Counsel Inc0$00.00%−8,476−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−7,749−100.0%Sold out
Captrust Financial Advisors0$00.00%−7,589−100.0%Sold out
Walleye Trading LLC0$00.00%−7,444−100.0%Sold out
Claret Asset Management Corp0$00.00%−7,300−100.0%Sold out
Quantessence Capital LLC0$00.00%−7,233−100.0%Sold out
Inspire Advisors, LLC0$00.00%−7,224−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−7,073−100.0%Sold out
Natixis0$00.00%−5,054−100.0%Sold out
ORG Partners LLC0$00.00%−3,967−100.0%Sold out
Annis Gardner Whiting Capital Advisors, LLC0$00.00%−282−100.0%Sold out
POM Investment Strategies, LLC0$00.00%−206−100.0%Sold out
LGT Financial Advisors LLC0$00.00%−99−100.0%Sold out
Colonial Trust Co0$00.00%−84−100.0%Sold out
WealthTrak Capital Management LLC0$00.00%−10−100.0%Sold out
Transce3nd, LLC0$00.00%−9−100.0%Sold out
Old Second National Bank of Aurora0$00.00%−9−100.0%Sold out
Kohmann Bosshard Financial Services, LLC0$00.00%−6−100.0%Sold out
Modus Advisors, LLC0$00.00%−6−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Chesapeake Capital Corp––––Not filed
Global Retirement Partners, LLC––––Not filed