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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, Q2 2025

Institutional positions in Iridium Communications Inc. as of Jun 30, 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
332
−17 vs. Q1 2025
Shares held
101.5M
−2.52M (−2.4%) vs. Q1 2025
Total value
$3.06B
+$220.3M (+7.8%) vs. Q1 2025
New holders
49
110 more added
Sold out
66
144 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 332 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 heldQ2 2025: $3.06B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q1 2025.

Institutions holding IRDM in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Engineers Gate Manager LP35,302$1.07M0.01%−133,054−79.0%Reduced
Police & Firemen's Retirement System of New Jersey35,998$1.09M0.01%−4,953−12.1%Reduced
D. E. Shaw & Co., Inc.36,013$1.09M0.00%−182,850−83.5%Reduced
Yousif Capital Management, LLC36,202$1.09M0.01%−1,084−2.9%Reduced
Graham Capital Management, L.P.36,269$1.09M0.03%+3,695+11.3%Added
Gilliland Jeter Wealth Management LLC36,561$1.10M0.36%+2,250+6.6%Added
Russell Investments Group, Ltd.36,746$1.11M0.00%+5,867+19.0%Added
State of Tennessee, Treasury Department36,943$1.11M0.00%00.0%Unchanged
Trexquant Investment LP37,672$1.14M0.01%−352,653−90.3%Reduced
Weiss Asset Management LP38,052$1.15M0.02%+38,052New
Brookwood Investment Group LLC38,614$1.16M0.19%+38,614New
Ensign Peak Advisors, Inc38,819$1.17M0.00%−2,700−6.5%Reduced
Two Sigma Advisers, LP39,800$1.20M0.00%+11,600+41.1%Added
Stifel Financial Corp39,815$1.20M0.00%+23,535+144.6%Added
Caption Management, LLC40,000$1.21M0.11%+24,000+150.0%Added
Teachers Retirement System of the State of Kentucky40,307$1.22M0.01%00.0%Unchanged
National Bank of Canada42,867$1.29M0.00%+2,002+4.9%Added
Advisors Asset Management, Inc.42,996$1.30M0.02%+25,412+144.5%Added
Allen Wealth Management, LLC43,609$1.32M0.92%+3,019+7.4%Added
Treasurer of the State of North Carolina44,311$1.34M0.00%−7,092−13.8%Reduced
Janus Henderson Group PLC44,739$1.35M0.00%−3,278−6.8%Reduced
Gabelli Funds LLC45,000$1.36M0.01%+22,000+95.7%Added
WealthTrust Axiom LLC45,359$1.37M0.40%−4,697−9.4%Reduced
CWM Advisors, LLC45,489$1.37M0.15%+2,719+6.4%Added
Amalgamated Bank48,860$1.47M0.01%−1,231−2.5%Reduced
Riverwater Partners LLC49,261$1.49M0.70%00.0%Unchanged
Pathstone Holdings, LLC50,025$1.51M0.01%−12,272−19.7%Reduced
New York State Common Retirement Fund50,202$1.51M0.00%−7,000−12.2%Reduced
Castle Rock Wealth Management, LLC50,024$1.60M0.37%+4,331+9.5%Added
Mutual of America Capital Management LLC53,790$1.62M0.02%−2,229−4.0%Reduced
Virginia Retirement Systems Et Al56,100$1.69M0.01%+100+0.2%Added
MetLife Investment Management58,360$1.76M0.01%−2,585−4.2%Reduced
NFJ Investment Group, LLC58,592$1.77M0.06%−365−0.6%Reduced
LPL Financial LLC58,665$1.77M0.00%+10,946+22.9%Added
Holocene Advisors, LP60,279$1.82M0.00%−9,279−13.3%Reduced
Susquehanna International Group, LLP63,244$1.91M0.00%+37,785+148.4%Added
Dark Forest Capital Management LP64,274$1.94M0.08%−260.0%Reduced
Intech Investment Management LLC66,921$2.02M0.02%+473+0.7%Added
Macquarie Group Ltd70,757$2.13M0.00%−18,152−20.4%Reduced
Citigroup Inc73,341$2.21M0.00%+35,565+94.1%Added
Skylands Capital, LLC73,400$2.21M0.32%−300−0.4%Reduced
State of New Jersey Common Pension Fund D73,774$2.23M0.01%+12,224+19.9%Added
Manufacturers Life Insurance Company, The78,808$2.38M0.00%−4,670−5.6%Reduced
Great West Life Assurance Co80,430$2.43M0.00%−2,533−3.1%Reduced
HSBC Holdings PLC83,601$2.53M0.00%−46,804−35.9%Reduced
State Board of Administration of Florida Retirement System86,976$2.62M0.00%−770−0.9%Reduced
Verition Fund Management LLC91,772$2.77M0.02%−46,095−33.4%Reduced
Botty Investors LLC93,609$2.82M0.83%+93,609New
Los Angeles Capital Management LLC95,185$2.87M0.01%−90,473−48.7%Reduced
Paralel Advisors LLC97,791$2.95M0.12%+1,814+1.9%Added
California State Teachers Retirement System97,834$2.95M0.00%−904−0.9%Reduced
Capital Fund Management S.A.97,841$2.95M0.03%−26,447−21.3%Reduced
Private Advisor Group, LLC109,974$3.32M0.02%−9,902−8.3%Reduced
Thrivent Financial for Lutherans113,884$3.44M0.01%−520.0%Reduced
New York State Teachers Retirement System114,354$3.45M0.01%−700−0.6%Reduced
Graphene Investments SAS115,300$3.48M2.27%+115,300New
Victory Capital Management Inc114,148$3.49M0.00%+80,182+236.1%Added
Agf Management Ltd116,182$3.51M0.02%+30,108+35.0%Added
Goldman Sachs Group Inc125,071$3.77M0.00%−107,160−46.1%Reduced
Royal Bank of Canada125,186$3.78M0.00%+76,861+159.1%Added
Ameriprise Financial Inc128,489$3.88M0.00%−24,950−16.3%Reduced
Aquatic Capital Management LLC133,362$4.02M0.08%+17,168+14.8%Added
Point72 Asset Management, L.P.136,311$4.11M0.01%−54,492−28.6%Reduced
BNP Paribas Arbitrage, SA140,471$4.24M0.00%−180,064−56.2%Reduced
Alliancebernstein L.P.144,493$4.36M0.00%−38,522−21.0%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.151,419$4.57M0.00%+26,029+20.8%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys165,450$4.99M0.03%−17,442−9.5%Reduced
Davy Global Fund Management Ltd168,794$5.09M0.45%+87,529+107.7%Added
Two Sigma Investments, LP171,619$5.18M0.01%+110,182+179.3%Added
State of Wisconsin Investment Board172,111$5.19M0.01%+1,054+0.6%Added
La Banque Postale Asset Management SA182,071$5.49M0.08%+32,777+22.0%Added
Swiss National Bank186,900$5.64M0.00%−11,600−5.8%Reduced
SEI Investments Co189,064$5.70M0.01%+33,793+21.8%Added
California Public Employees Retirement System195,045$5.88M0.00%+1,932+1.0%Added
Blair William & Co199,611$6.02M0.02%−4,350−2.1%Reduced
Public Sector Pension Investment Board202,501$6.11M0.03%+202,501New
HRT Financial LP202,938$6.12M0.03%+50,315+33.0%Added
AQR Capital Management LLC206,523$6.17M0.01%−203,953−49.7%Reduced
Principal Financial Group Inc244,910$7.39M0.00%−6,109−2.4%Reduced
Robertson Opportunity Capital, LLC283,346$8.55M3.17%+95,100+50.5%Added
First Trust Advisors LP283,580$8.56M0.01%+33,734+13.5%Added
Retirement Systems of Alabama283,596$8.56M0.03%−274−0.1%Reduced
Crossmark Global Holdings, Inc.284,374$8.58M0.14%+59,610+26.5%Added
Rhumbline Advisers285,761$8.62M0.01%−14,208−4.7%Reduced
Acadian Asset Management LLC300,714$9.06M0.02%+125,896+72.0%Added
Nordea Investment Management AB314,769$9.47M0.01%+3,263+1.0%Added
Van Eck Associates Corp331,935$10.0M0.01%+69,453+26.5%Added
Legal & General Group Plc345,492$10.4M0.00%−75,725−18.0%Reduced
Jane Street Group, LLC351,584$10.6M0.02%+112,230+46.9%Added
Jupiter Asset Management Ltd355,002$10.7M0.09%+97,313+37.8%Added
Nuveen, LLC372,390$11.2M0.00%−204,580−35.5%Reduced
Arrowstreet Capital, Limited Partnership377,571$11.4M0.01%−170,810−31.1%Reduced
Penserra Capital Management LLC416,561$12.6M0.18%+324,428+352.1%Added
Brown Advisory Inc512,877$15.5M0.02%+2,585+0.5%Added
Norges Bank540,176$16.3M0.00%−360,333−40.0%Reduced
JPMorgan Chase & Co562,371$17.0M0.00%−176,453−23.9%Reduced
Pinnacle Associates Ltd582,863$17.6M0.25%−181,202−23.7%Reduced
Raymond James Financial Inc601,214$18.1M0.01%−44,422−6.9%Reduced
Man Group plc616,592$18.6M0.04%+337,470+120.9%Added
UBS Asset Management Americas Inc652,344$19.7M0.00%+112,778+20.9%Added