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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; 483 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, Q4 2021

Institutional positions in Iridium Communications Inc. as of Dec 31, 2021. 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
309
+2 vs. Q3 2021
Shares held
115.5M
+1.16M (+1.0%) vs. Q3 2021
Total value
$4.76B
+$201.3M (+4.4%) vs. Q3 2021
New holders
44
108 more added
Sold out
42
95 more reduced

3 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 309 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: 483 institutions
Value heldQ4 2021: $4.76B
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 2026483$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, Q4 2021

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q3 2021.

Institutions holding IRDM in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Invesco Ltd.2,561,773$105.8M0.03%−247,922−8.8%Reduced
Nikko Asset Management Americas, Inc.4,277,548$166.9M0.88%−293,802−6.4%Reduced
State Street Corp4,168,667$172.1M0.01%+21,694+0.5%Added
Sumitomo Mitsui Trust Holdings, Inc.4,275,561$176.5M0.11%−292,503−6.4%Reduced
Capital International Investors7,695,776$317.8M0.07%+51,700+0.7%Added
ARK Investment Management LLCSuperinvestorARK Invest10,136,671$418.5M1.27%−1,836,031−15.3%Reduced
Vanguard Group Inc12,137,098$501.1M0.01%+63,615+0.5%Added
Bamco Inc13,401,739$553.4M1.18%+1,769,377+15.2%Added
BlackRock Inc.15,668,951$647.0M0.02%+2,214,094+16.5%Added
PKO Investment Management Joint-Stock Co0$00.00%−337,544−100.0%Sold out
Citadel Advisors LLC0$00.00%−101,889−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−80,259−100.0%Sold out
Prospera Financial Services Inc0$00.00%−46,739−100.0%Sold out
EAM Investors, LLC0$00.00%−45,942−100.0%Sold out
Cordatus Wealth Management LLC0$00.00%−45,311−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−34,156−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−31,966−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−28,555−100.0%Sold out
SEI Investments Co0$00.00%−22,817−100.0%Sold out
Paloma Partners Management Co0$00.00%−19,246−100.0%Sold out
Panagora Asset Management Inc0$00.00%−18,528−100.0%Sold out
Centiva Capital, LP0$00.00%−18,487−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−18,416−100.0%Sold out
Engineers Gate Manager LP0$00.00%−17,181−100.0%Sold out
Quinn Opportunity Partners LLC0$00.00%−17,000−100.0%Sold out
PEAK6 Investments LLC0$00.00%−15,310−100.0%Sold out
Verition Fund Management LLC0$00.00%−13,827−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−11,900−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−10,528−100.0%Sold out
Winton Group Ltd0$00.00%−9,354−100.0%Sold out
Clear Street Markets LLC0$00.00%−8,950−100.0%Sold out
Virtu Financial LLC0$00.00%−8,395−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−7,250−100.0%Sold out
Simplex Trading, LLC0$00.00%−6,510−100.0%Sold out
CIBC World Markets Inc.0$00.00%−6,313−100.0%Sold out
Scotia Capital Inc.0$00.00%−6,223−100.0%Sold out
Seven Eight Capital, LP0$00.00%−6,106−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−5,690−100.0%Sold out
Prudent Man Advisors, LLC0$00.00%−5,565−100.0%Sold out
Triasima Portfolio Management inc.0$00.00%−5,200−100.0%Sold out
Neo Ivy Capital Management0$00.00%−2,502−100.0%Sold out
Cutler Group LP0$00.00%−1,380−100.0%Sold out
Vaughan Nelson Investment Management, L.P.0$00.00%−1,016−100.0%Sold out
Albion Financial Group0$00.00%−1,000−100.0%Sold out
Meeder Asset Management Inc0$00.00%−418−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−324−100.0%Sold out
Pacitti Group Inc.0$00.00%−252−100.0%Sold out
Meridian Wealth Partners, LLC0$00.00%−41−100.0%Sold out
Kowal Investment Group, LLC0$00.00%−39−100.0%Sold out
TD Private Client Wealth LLC0$00.00%−28−100.0%Sold out
Gerber Kawasaki Wealth & Investment Management0$00.00%−1−100.0%Sold out
Marshall Wace North America L.P.––––Not filed
Berman Capital Advisors, LLC––––Not filed
Heritage Wealth Management, LLC––––Not filed