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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, Q3 2023

Institutional positions in Iridium Communications Inc. as of Sep 30, 2023. 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
361
−30 vs. Q2 2023
Shares held
101.2M
−1.94M (−1.9%) vs. Q2 2023
Total value
$4.64B
−$1.76B (−27.5%) vs. Q2 2023
New holders
37
115 more added
Sold out
67
161 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 361 institutions
Q1 2021: 301 institutionsQ2 2021: 279 institutionsQ3 2021: 310 institutionsQ4 2021: 309 institutionsQ1 2022: 311 institutionsQ2 2022: 310 institutionsQ3 2022: 331 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 heldQ3 2023: $4.64B
Q1 2021: $4.48BQ2 2021: $4.52BQ3 2021: $4.56BQ4 2021: $4.77BQ1 2022: $4.41BQ2 2022: $4.09BQ3 2022: $4.73BQ4 2022: $5.37BQ1 2023: $6.60BQ2 2023: $6.40BQ3 2023: $4.64BQ4 2023: $4.31BQ1 2024: $2.82BQ2 2024: $2.72BQ3 2024: $3.02BQ4 2024: $2.91BQ1 2025: $2.86BQ2 2025: $3.07BQ3 2025: $1.80BQ4 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$1.80B
Q2 2025332$3.07B
Q1 2025351$2.86B
Q4 2024349$2.91B
Q3 2024353$3.02B
Q2 2024344$2.72B
Q1 2024330$2.82B
Q4 2023347$4.31B
Q3 2023361$4.64B
Q2 2023392$6.40B
Q1 2023373$6.60B
Q4 2022365$5.37B
Q3 2022331$4.73B
Q2 2022310$4.09B
Q1 2022311$4.41B
Q4 2021309$4.77B
Q3 2021310$4.56B
Q2 2021279$4.52B
Q1 2021301$4.48B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q2 2023.

Institutions holding IRDM in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bamco Inc14,583,317$663.4M1.93%+58,818+0.4%Added
Vanguard Group Inc11,986,114$545.2M0.01%−33,382−0.3%Reduced
BlackRock Inc.11,626,387$528.9M0.02%+11,565+0.1%Added
Capital International Investors7,884,007$358.6M0.09%+148,751+1.9%Added
State Street Corp4,025,221$183.1M0.01%−4,142−0.1%Reduced
Silver Heights Capital Management Inc2,441,719$111.1M44.30%+13,395+0.6%Added
Clearbridge Investments, LLC2,169,539$98.7M0.09%+105,454+5.1%Added
Van Berkom & Associates Inc.2,059,088$93.7M3.05%+751,595+57.5%Added
Geode Capital Management, LLC1,990,215$90.6M0.01%−1,398−0.1%Reduced
Dimensional Fund Advisors LP1,985,903$90.3M0.03%−66,210−3.2%Reduced
ARK Investment Management LLCSuperinvestorARK Invest1,924,779$87.6M0.67%+376,733+24.3%Added
Invesco Ltd.1,708,009$77.7M0.02%−276,910−14.0%Reduced
Northern Trust Corp1,583,291$72.0M0.01%+202,702+14.7%Added
Capital World Investors1,563,868$71.1M0.01%00.0%Unchanged
Morgan Stanley1,372,056$62.4M0.01%−34,869−2.5%Reduced
Millennium Management LLC1,368,353$62.2M0.06%+156,506+12.9%Added
Norges Bank1,286,600$58.5M0.01%+4,037+0.3%Added
ArrowMark Colorado Holdings LLC1,270,942$57.8M0.70%+575,635+82.8%Added
Price T Rowe Associates Inc1,262,834$57.4M0.01%+62,296+5.2%Added
Charles Schwab Investment Management Inc1,242,570$56.5M0.02%+6,584+0.5%Added
Sumitomo Mitsui Trust Holdings, Inc.1,203,573$54.8M0.04%+267,676+28.6%Added
Nikko Asset Management Americas, Inc.1,203,573$54.7M0.65%+267,676+28.6%Added
Bank of New York Mellon Corp1,155,864$52.6M0.01%−36,169−3.0%Reduced
Nuveen Asset Management, LLC858,026$39.0M0.01%+151,163+21.4%Added
Man Group plc–$36.5M0.11%––
Macquarie Group Ltd725,953$33.0M0.04%+84,309+13.1%Added
Pinnacle Associates Ltd715,133$32.5M0.60%−19,111−2.6%Reduced
Blair William & Co594,853$27.1M0.10%+151,206+34.1%Added
Legal & General Group Plc568,197$25.8M0.01%−2,158−0.4%Reduced
Dudley & Shanley, Inc.564,565$25.7M4.86%+45,000+8.7%Added
D. E. Shaw & Co., Inc.554,094$25.2M0.04%−319,408−36.6%Reduced
Brown Advisory Inc515,016$23.4M0.04%00.0%Unchanged
Principal Financial Group Inc489,703$22.3M0.02%−3,262−0.7%Reduced
Susquehanna International Group, LLP443,709$20.2M0.03%−363,422−45.0%Reduced
Citadel Advisors LLC435,234$19.8M0.02%−567,531−56.6%Reduced
Renaissance Technologies LLC418,799$19.1M0.03%−20,100−4.6%Reduced
JPMorgan Chase & Co388,504$17.7M0.00%−78,284−16.8%Reduced
Rhumbline Advisers384,636$17.5M0.02%−4,341−1.1%Reduced
Select Equity Group, L.P.378,325$17.2M0.07%+15,974+4.4%Added
Voya Investment Management LLC335,908$15.3M0.02%−156,430−31.8%Reduced
Putnam Investments LLC319,573$14.5M0.02%+45,941+16.8%Added
Retirement Systems of Alabama307,540$14.0M0.07%−6,137−2.0%Reduced
FMR LLC301,966$13.7M0.00%−46,421−13.3%Reduced
Jane Street Group, LLC286,825$13.0M0.02%+91,975+47.2%Added
Raymond James & Associates284,976$13.0M0.01%−39,705−12.2%Reduced
UBS Asset Management Americas Inc276,014$12.6M0.01%+54,308+24.5%Added
Bank of America Corp275,677$12.5M0.00%−42,394−13.3%Reduced
Squarepoint Ops LLC267,841$12.2M0.06%+196,893+277.5%Added
Voloridge Investment Management, LLC267,195$12.2M0.06%+172,626+182.5%Added
Arrowstreet Capital, Limited Partnership253,699$11.5M0.01%−5,332−2.1%Reduced
Swiss National Bank249,200$11.3M0.01%+1,100+0.4%Added
Braun Stacey Associates Inc248,124$11.3M0.55%−49,055−16.5%Reduced
Twinbeech Capital LP243,604$11.1M0.21%+160,182+192.0%Added
California Public Employees Retirement System240,243$10.9M0.01%−13,435−5.3%Reduced
Nicholas Investment Partners, LP239,673$10.9M0.81%−19,949−7.7%Reduced
Bank of Montreal218,785$10.4M0.01%−362,860−62.4%Reduced
Deutsche Bank AG224,912$10.2M0.01%−29,062−11.4%Reduced
Raymond James Financial Services Advisors, Inc.222,541$10.1M0.02%−34,516−13.4%Reduced
HRT Financial LP215,632$9.81M0.10%−64,131−22.9%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys204,938$9.32M0.08%−29,394−12.5%Reduced
Ceredex Value Advisors LLC191,250$8.70M0.15%+191,250New
Bessemer Group Inc189,154$8.61M0.02%+79,013+71.7%Added
State of Wisconsin Investment Board182,627$8.31M0.03%+25,345+16.1%Added
American International Group, Inc.177,224$8.06M0.05%−13,828−7.2%Reduced
Credit Suisse AG172,628$7.85M0.01%+2,988+1.8%Added
Connor, Clark & Lunn Investment Management Ltd.170,929$7.78M0.04%+36,020+26.7%Added
Alliancebernstein L.P.162,148$7.38M0.00%−6,725−4.0%Reduced
Ameriprise Financial Inc161,439$7.34M0.00%−11,577−6.7%Reduced
Goldman Sachs Group Inc136,755$6.22M0.00%−125,990−48.0%Reduced
Tudor Investment Corp Et Al134,696$6.13M0.09%+134,696New
Marshall Wace, LLP129,526$5.89M0.01%+108,326+511.0%Added
California State Teachers Retirement System127,981$5.82M0.01%−14,108−9.9%Reduced
Engineers Gate Manager LP126,176$5.74M0.21%−6,807−5.1%Reduced
New York State Common Retirement Fund122,122$5.56M0.01%−78,767−39.2%Reduced
New York State Teachers Retirement System118,041$5.37M0.01%+3,215+2.8%Added
Picton Mahoney Asset Management117,607$5.35M0.25%+13,586+13.1%Added
Two Sigma Investments, LP110,963$5.05M0.01%+96,463+665.3%Added
Baird Financial Group, Inc.110,181$5.01M0.01%+8,501+8.4%Added
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna109,943$5.00M2.68%+1,510+1.4%Added
UBS Group AG107,402$4.89M0.00%−2,301−2.1%Reduced
Trexquant Investment LP107,354$4.88M0.12%+84,377+367.2%Added
Texas Permanent School Fund106,204$4.83M0.05%−4,670−4.2%Reduced
Assenagon Asset Management S.A.105,645$4.81M0.02%−270,118−71.9%Reduced
Manufacturers Life Insurance Company, The105,001$4.78M0.00%+11,006+11.7%Added
Jump Financial, LLC102,901$4.68M0.17%+94,141+1,074.7%Added
Envestnet Asset Management Inc93,194$4.24M0.00%+2,027+2.2%Added
Cetera Advisor Networks LLC92,114$4.19M0.03%−1,270−1.4%Reduced
Amalgamated Bank91,072$4.14M0.04%+1,303+1.5%Added
WealthTrust Axiom LLC87,066$3.96M1.42%−9,712−10.0%Reduced
Vident Advisory, LLC82,282$3.74M0.12%+82,282New
First Trust Advisors LP81,591$3.71M0.00%−64,717−44.2%Reduced
Mutual of America Capital Management LLC81,333$3.70M0.05%−10,059−11.0%Reduced
Axiom Investors LLC80,240$3.65M0.05%−47,855−37.4%Reduced
Canada Pension Plan Investment Board78,300$3.56M0.01%+78,300New
State of Tennessee, Treasury Department78,040$3.55M0.01%+12,480+19.0%Added
MetLife Investment Management76,517$3.48M0.03%−3,782−4.7%Reduced
Qube Research & Technologies Ltd72,897$3.32M0.01%+58,412+403.3%Added
Alaska Permanent Fund Corp72,177$3.28M0.06%+72,177New
Great West Life Assurance Co70,051$3.19M0.01%+1,142+1.7%Added
Barclays PLC68,926$3.14M0.00%−20,926−23.3%Reduced