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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, Q4 2024

Institutional positions in Iridium Communications Inc. as of Dec 31, 2024. 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
349
−2 vs. Q3 2024
Shares held
100.2M
+2.58M (+2.6%) vs. Q3 2024
Total value
$2.91B
−$73.2M (−2.5%) vs. Q3 2024
New holders
48
131 more added
Sold out
50
125 more reduced

2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 349 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 heldQ4 2024: $2.91B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q3 2024.

Institutions holding IRDM in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Blair William & Co261,138$7.58M0.02%−29,813−10.2%Reduced
First Trust Advisors LP264,553$7.68M0.01%+75,621+40.0%Added
Point72 Asset Management, L.P.270,341$7.85M0.02%+198,788+277.8%Added
Retirement Systems of Alabama289,830$8.41M0.03%−5,376−1.8%Reduced
Citadel Advisors LLC298,763$8.67M0.01%−22,733−7.1%Reduced
Rhumbline Advisers317,454$9.21M0.01%−4,407−1.4%Reduced
Qube Research & Technologies Ltd348,886$10.1M0.02%−64,755−15.7%Reduced
UBS Group AG393,178$11.4M0.00%+166,125+73.2%Added
Legal & General Group Plc424,423$12.3M0.00%−15,708−3.6%Reduced
Voya Investment Management LLC430,273$12.5M0.01%+268,191+165.5%Added
Arrowstreet Capital, Limited Partnership430,736$12.5M0.01%−351,016−44.9%Reduced
Trexquant Investment LP441,183$12.8M0.15%+258,892+142.0%Added
UBS Asset Management Americas Inc464,506$13.5M0.00%−30,582−6.2%Reduced
D. E. Shaw & Co., Inc.469,682$13.6M0.01%−277,874−37.2%Reduced
Brown Advisory Inc510,976$14.8M0.02%−295−0.1%Reduced
Nuveen Asset Management, LLC590,023$17.1M0.00%+10,226+1.8%Added
Raymond James Financial Inc606,938$17.6M0.01%+606,938New
JPMorgan Chase & Co631,852$18.3M0.00%+10,195+1.6%Added
Invesco Ltd.659,145$19.1M0.00%+33,393+5.3%Added
Gotham Asset Management, LLC703,393$20.4M0.19%+65,349+10.2%Added
Anchor Capital Management Company, LLC719,917$20.9M18.06%00.0%Unchanged
Pacer Advisors, Inc.741,577$21.5M0.05%+29,821+4.2%Added
Select Equity Group, L.P.751,188$21.8M0.09%−227,306−23.2%Reduced
Millennium Management LLC794,688$23.1M0.02%−205,695−20.6%Reduced
Pinnacle Associates Ltd795,251$23.1M0.31%+78,910+11.0%Added
FMR LLC842,338$24.4M0.00%−100,042−10.6%Reduced
AQR Capital Management LLC940,771$27.3M0.04%−200,271−17.6%Reduced
Norges Bank973,109$28.2M0.00%−499,372−33.9%Reduced
Barclays PLC988,818$28.7M0.01%+131,917+15.4%Added
Charles Schwab Investment Management Inc1,093,223$31.7M0.01%+37,371+3.5%Added
Bank of New York Mellon Corp1,297,676$37.7M0.01%+275,775+27.0%Added
Victory Capital Management Inc1,599,504$46.4M0.05%−10,145−0.6%Reduced
Price T Rowe Associates Inc1,711,039$49.7M0.01%+291,196+20.5%Added
American Century Companies Inc1,735,842$50.4M0.03%+841,951+94.2%Added
Northern Trust Corp1,827,411$53.0M0.01%+280,269+18.1%Added
Morgan Stanley1,884,000$54.7M0.00%+419,344+28.6%Added
Geode Capital Management, LLC2,006,721$58.3M0.00%−79,157−3.8%Reduced
Dimensional Fund Advisors LP2,062,066$59.8M0.01%+149,606+7.8%Added
ArrowMark Colorado Holdings LLC2,088,053$60.6M0.81%+567,164+37.3%Added
Schroder Investment Management Group2,213,512$64.1M0.06%+683,777+44.7%Added
ARK Investment Management LLCSuperinvestorARK Invest2,507,715$72.8M0.61%+134,924+5.7%Added
Nikko Asset Management Americas, Inc.2,827,580$82.0M0.89%+329,915+13.2%Added
Sumitomo Mitsui Trust Holdings, Inc.2,829,052$82.1M0.06%+320,506+12.8%Added
Van Berkom & Associates Inc.3,171,950$92.0M2.73%−358,567−10.2%Reduced
Silver Heights Capital Management Inc3,715,471$107.8M47.95%−9,796−0.3%Reduced
State Street Corp4,383,449$127.2M0.01%+113,566+2.7%Added
Bamco Inc10,769,377$312.5M0.81%−349,408−3.1%Reduced
Vanguard Group Inc10,811,584$313.8M0.01%−178,769−1.6%Reduced
BlackRock, Inc.12,705,830$368.7M0.01%+910,245+7.7%Added
Jacobs Levy Equity Management, Inc0$00.00%−798,675−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−197,452−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−107,319−100.0%Sold out
Twinbeech Capital LP0$00.00%−69,989−100.0%Sold out
Numerai GP LLC0$00.00%−67,679−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−51,765−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−48,656−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−30,026−100.0%Sold out
Simplex Trading, LLC0$00.00%−22,903−100.0%Sold out
Axxcess Wealth Management, LLC0$00.00%−22,467−100.0%Sold out
Southport Management, L.L.C.0$00.00%−20,000−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−18,700−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−18,516−100.0%Sold out
Meeder Asset Management Inc0$00.00%−13,365−100.0%Sold out
Sciencast Management LP0$00.00%−12,899−100.0%Sold out
Headlands Technologies LLC0$00.00%−12,652−100.0%Sold out
Bridges Investment Management Inc0$00.00%−11,494−100.0%Sold out
nVerses Capital, LLC0$00.00%−9,800−100.0%Sold out
Nebula Research & Development LLC0$00.00%−9,006−100.0%Sold out
Scientech Research LLC0$00.00%−8,372−100.0%Sold out
Paloma Partners Management Co0$00.00%−8,039−100.0%Sold out
Institute for Wealth Management, LLC.0$00.00%−7,922−100.0%Sold out
Pallas Capital Advisors LLC0$00.00%−7,861−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−7,051−100.0%Sold out
Maryland State Retirement & Pension System0$00.00%−6,844−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−5,916−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−3,464−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−2,400−100.0%Sold out
Group One Trading, L.P.0$00.00%−2,379−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−1,867−100.0%Sold out
Baldwin Brothers Inc0$00.00%−1,600−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−1,000−100.0%Sold out
Ci Investments Inc.0$00.00%−788−100.0%Sold out
Northwest Financial Advisors0$00.00%−620−100.0%Sold out
Riggs Asset Managment Co. Inc.0$00.00%−546−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−440−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−211−100.0%Sold out
Creative Financial Designs Inc0$00.00%−200−100.0%Sold out
NBC Securities, Inc.0$00.00%−224−100.0%Sold out
DT Investment Partners, LLC0$00.00%−125−100.0%Sold out
Brown, Lisle/Cummings, Inc.0$00.00%−125−100.0%Sold out
Sunbelt Securities, Inc.0$00.00%−103−100.0%Sold out
Liberty One Investment Management, LLC0$00.00%−91−100.0%Sold out
Ashton Thomas Securities, LLC0$00.00%−41−100.0%Sold out
Carolinas Wealth Consulting LLC0$00.00%−32−100.0%Sold out
Sachetta, LLC0$00.00%−31−100.0%Sold out
Voisard Asset Management Group, Inc.0$00.00%−16−100.0%Sold out
Claris Advisors, LLC0$00.00%−6−100.0%Sold out
SJS Investment Consulting Inc.0$00.00%−4−100.0%Sold out
HighMark Wealth Management LLC0$00.00%−1−100.0%Sold out
Raymond James & Associates––––Not filed