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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
BlackRock Inc.15,668,951$647.0M0.02%+2,214,094+16.5%Added
Bamco Inc13,401,739$553.4M1.18%+1,769,377+15.2%Added
Vanguard Group Inc12,137,098$501.1M0.01%+63,615+0.5%Added
ARK Investment Management LLCSuperinvestorARK Invest10,136,671$418.5M1.27%−1,836,031−15.3%Reduced
Capital International Investors7,695,776$317.8M0.07%+51,700+0.7%Added
Sumitomo Mitsui Trust Holdings, Inc.4,275,561$176.5M0.11%−292,503−6.4%Reduced
State Street Corp4,168,667$172.1M0.01%+21,694+0.5%Added
Nikko Asset Management Americas, Inc.4,277,548$166.9M0.88%−293,802−6.4%Reduced
Invesco Ltd.2,561,773$105.8M0.03%−247,922−8.8%Reduced
Dimensional Fund Advisors LP2,544,323$105.1M0.03%−184,699−6.8%Reduced
Silver Heights Capital Management Inc2,427,811$100.2M37.37%+38,575+1.6%Added
Geode Capital Management, LLC2,255,676$93.1M0.01%−5,414−0.2%Reduced
Van Berkom & Associates Inc.2,139,365$88.3M2.61%+122,314+6.1%Added
Goldman Sachs Group Inc2,121,541$87.6M0.02%−36,275−1.7%Reduced
Northern Trust Corp2,025,079$83.6M0.01%−31,128−1.5%Reduced
Clearbridge Investments, LLC1,861,438$76.9M0.05%+1,785+0.1%Added
Capital World Investors1,563,868$64.6M0.01%00.0%Unchanged
Bank of New York Mellon Corp1,272,062$52.5M0.01%−26,283−2.0%Reduced
Select Equity Group, L.P.1,208,248$49.9M0.15%+134,545+12.5%Added
Morgan Stanley1,085,219$44.8M0.01%+8,070+0.7%Added
Charles Schwab Investment Management Inc1,059,476$43.7M0.01%+27,656+2.7%Added
Pinnacle Associates Ltd985,274$40.7M0.70%−5,189−0.5%Reduced
Price T Rowe Associates Inc904,355$37.3M0.00%−4,041−0.4%Reduced
Nuveen Asset Management, LLC761,612$30.4M0.01%−34,861−4.4%Reduced
Dudley & Shanley, Inc.678,285$28.0M4.85%−16,960−2.4%Reduced
Brown Advisory Inc569,114$23.5M0.03%+55,932+10.9%Added
Legal & General Group Plc474,637$19.6M0.01%−10,567−2.2%Reduced
Principal Financial Group Inc458,065$18.9M0.01%−8,889−1.9%Reduced
Parametric Portfolio Associates LLC450,492$18.6M0.01%−89,135−16.5%Reduced
FMR LLC441,830$18.2M0.00%−41,298−8.5%Reduced
Norges Bank441,601$18.2M0.00%+43,300+10.9%Added
JPMorgan Chase & Co425,372$17.6M0.00%+86,478+25.5%Added
Blair William & Co405,337$16.7M0.05%−6,339−1.5%Reduced
Man Group plc363,967$15.0M0.05%+65,332+21.9%Added
Bank of America Corp355,415$14.7M0.00%+121,637+52.0%Added
Rhumbline Advisers355,319$14.7M0.02%+3,123+0.9%Added
American Century Companies Inc344,162$14.2M0.01%+87,143+33.9%Added
D. E. Shaw & Co., Inc.340,945$14.1M0.02%−128,507−27.4%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna308,918$13.0M3.81%−159,000−34.0%Reduced
Gamco Investors, Inc. Et Al311,600$12.9M0.11%−9,000−2.8%Reduced
Alliancebernstein L.P.300,200$12.4M0.00%+936+0.3%Added
American International Group, Inc.284,936$11.8M0.06%−5,480−1.9%Reduced
Voya Investment Management LLC277,276$11.4M0.02%+2,746+1.0%Added
California Public Employees Retirement System261,310$10.8M0.01%−5,004−1.9%Reduced
Swiss National Bank261,300$10.8M0.01%−4,200−1.6%Reduced
Renaissance Technologies LLC250,699$10.4M0.01%+168,900+206.5%Added
Raymond James & Associates234,005$9.66M0.01%−807−0.3%Reduced
Ameriprise Financial Inc226,350$9.35M0.00%+23,770+11.7%Added
Manufacturers Life Insurance Company, The206,739$8.54M0.01%−3,322−1.6%Reduced
Raymond James Financial Services Advisors, Inc.203,502$8.40M0.02%+3,517+1.8%Added
UBS Group AG196,067$8.10M0.00%+69,005+54.3%Added
Guggenheim Capital LLC190,515$7.87M0.04%+43,412+29.5%Added
Barclays PLC187,776$7.75M0.00%+46,855+33.2%Added
Wells Fargo & Company178,188$7.36M0.00%+25,082+16.4%Added
UBS Asset Management Americas Inc173,886$7.18M0.00%+16,336+10.4%Added
Retirement Systems of Alabama173,116$7.15M0.02%+2,285+1.3%Added
California State Teachers Retirement System164,646$6.80M0.01%+2,441+1.5%Added
WealthTrust Axiom LLC153,779$6.35M2.03%−21,591−12.3%Reduced
ClariVest Asset Management LLC144,834$5.98M0.18%+41,241+39.8%Added
Stifel Financial Corp142,432$5.88M0.01%+282+0.2%Added
Millennium Management LLC127,994$5.29M0.01%+127,994New
Penserra Capital Management LLC126,904$5.24M0.11%−73−0.1%Reduced
Allianz Asset Management GmbH121,619$5.02M0.00%−1,195−1.0%Reduced
Mutual of America Capital Management LLC118,237$4.88M0.05%+2,079+1.8%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys114,422$4.72M0.05%+243+0.2%Added
Susquehanna Fundamental Investments, LLC108,612$4.49M0.12%+108,612New
Credit Suisse AG106,736$4.41M0.00%−16,011−13.0%Reduced
BNP Paribas Arbitrage, SA106,251$4.39M0.01%+30,845+40.9%Added
First Trust Advisors LP106,113$4.38M0.00%+41,389+63.9%Added
Rockefeller Capital Management L.P.105,838$4.37M0.02%+17,972+20.5%Added
MetLife Investment Management104,618$4.32M0.04%+684+0.7%Added
Texas Permanent School Fund95,731$3.95M0.05%−1,866−1.9%Reduced
La Financiere de L'Echiquier91,000$3.76M0.13%+34,204+60.2%Added
Amalgamated Bank90,352$3.73M0.03%+536+0.6%Added
Deutsche Bank AG89,099$3.68M0.00%−47,008−34.5%Reduced
Russell Investments Group, Ltd.88,985$3.67M0.01%−2,597−2.8%Reduced
Alberta Investment Management Corp87,100$3.60M0.02%−26,300−23.2%Reduced
Advisors Asset Management, Inc.86,343$3.57M0.05%+9,381+12.2%Added
New York State Common Retirement Fund86,190$3.56M0.00%+2,686+3.2%Added
New York State Teachers Retirement System84,123$3.47M0.01%+15,198+22.1%Added
Cetera Advisor Networks LLC76,741$3.17M0.04%+916+1.2%Added
Macquarie Group Ltd76,323$3.15M0.00%+53,526+234.8%Added
Ancora Advisors, LLC75,351$3.11M0.07%−3,990−5.0%Reduced
Strong Tower Advisory Services71,089$2.94M1.56%+160.0%Added
Gabelli Funds LLC71,000$2.93M0.02%−4,000−5.3%Reduced
Two Sigma Advisers, LP70,300$2.90M0.01%+37,900+117.0%Added
State of New Jersey Common Pension Fund D70,251$2.90M0.01%+2,534+3.7%Added
Riggs Asset Managment Co. Inc.68,774$2.84M0.77%+2,980+4.5%Added
Eaton Vance Management68,127$2.81M0.00%+1,761+2.7%Added
Yousif Capital Management, LLC67,369$2.78M0.03%+67,369New
NN Investment Partners Holdings N.V.67,162$2.77M0.01%+2,395+3.7%Added
Great West Life Assurance Co65,996$2.72M0.01%+4,827+7.9%Added
HSBC Holdings PLC65,596$2.72M0.00%+43,129+192.0%Added
Capital Fund Management S.A.64,353$2.66M0.07%+22,118+52.4%Added
Citigroup Inc64,315$2.66M0.00%+21,025+48.6%Added
Fernwood Investment Management, LLC61,375$2.53M0.83%00.0%Unchanged
Squarepoint Ops LLC59,613$2.46M0.01%−7,403−11.0%Reduced
Janney Montgomery Scott LLC58,360$2.41M0.01%+541+0.9%Added
Capital International Inc56,508$2.33M0.02%00.0%Unchanged
Natixis Advisors, L.P.50,884$2.10M0.01%+1,566+3.2%Added