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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; 491 institutions reported holding it in 13F filings for Q2 2026, worth $5.01B in total; ARK Invest is the only superinvestor holding it.

Key figures

Market capClose on Nov 13, 2026
$4.87B
Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $19.6M in total
8
13F holdersQ2 2026, +111 vs. previous quarter
491
13F valueReported value at the end of Q2 2026
$5.01B
Superinvestors holdingAt the end of Q2 2026
1

Price chart

From SEC filings, in USD.

Revenue, FY2025
$871.7M
+4.9% year over year
Net income, FY2025
$114.4M
+1.4% year over year
Free cash flow, FY2025
$299.8M
−2.0% year over year
Revenue, Q3 FY2026
$245.7M
+8.3% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
3.03M
Shares sold short
Change
+95.8K
+3.3% vs. previous
Days to cover
4.40
At average daily volume

Superinvestors holding IRDM, Q2 2026

Go to the superinvestors tab

1 superinvestor reports holding Iridium Communications Inc. on Form 13F. Percentages are the stock's share of each portfolio.

ARK Invest

Cathie Wood

0.4%

Iridium Communications Inc.'s share of the portfolio

Shares
1,215,113
Value
$66.6M

Latest insider trades

See all insider trades

Open-market purchases and sales by Iridium Communications Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 16, 2026 (view filing)5:10 PM ETSep 151 dayLast Timothy JamesEVP, Sales & MarketingSSale−5.77K$46.35−$267.4K−6.4%84.1K after
Sep 4, 2026 (view filing)4:03 PM ETSep 31 dayLast Timothy JamesEVP, Sales & MarketingSSale−2.01K$47.36−$95.3K−2.2%89.9K after
Aug 19, 2026 (view filing)6:26 PM ETAug 17-182 daysFitzpatrick ThomasDirectorSSale−224.3K$50.15−$11.2M−83.8%43.3K after2 lots
Aug 19, 2026 (view filing)6:26 PM ETAug 172 daysLast Timothy JamesEVP, Sales & MarketingSSale−19.5K$50.34−$982.8K−17.3%93.4K after2 lots
Aug 19, 2026 (view filing)6:25 PM ETAug 172 daysKapalka TimothyCAO Iridium Satellite LLCSSale−13.5K$50.51−$680.5K−27.4%35.7K after
Aug 19, 2026 (view filing)6:25 PM ETAug 172 daysMcBride Suzanne E.Chief Operations OfficerSSale−85.5K$50.28−$4.30M−23.3%282.0K after
Aug 19, 2026 (view filing)6:25 PM ETAug 172 daysMorgan Kathleen A.Chief Legal OfficerSSale−33.2K$50.35−$1.67M−21.0%124.9K after2 lots
Aug 19, 2026 (view filing)6:25 PM ETAug 172 daysOlson Eric TDirectorSSale−8.00K$50.61−$404.9K−5.1%149.7K after
Apr 6, 2026 (view filing)Apr 2-64 daysKapalka TimothyCAO Iridium Satellite LLCSSale−5.83K$31.70−$184.9K−11.3%45.7K after2 lots10b5-1
Nov 3, 2025 (view filing)Oct 313 daysFitzpatrick ThomasDirectorSSale−20.8K$18.00−$375.1K−8.3%231.0K after

Top 10 13F holders, Q2 2026

See all 491 holders

The largest institutional positions in Iridium Communications Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding IRDM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.13,447,338$737.6M0.01%−492,280−3.5%Reduced
AQR Capital Management LLC6,847,072$374.3M0.13%+3,929,245+134.7%Added
Vanguard Portfolio Management LLC5,440,399$298.4M0.01%−651,350−10.7%Reduced
American Century Companies Inc4,856,440$266.4M0.12%+1,386,486+40.0%Added
State Street Corp4,733,714$259.6M0.01%−316,452−6.3%Reduced
Vanguard Capital Management LLC4,232,161$232.1M0.00%+120,836+2.9%Added
Silver Heights Capital Management Inc3,274,947$179.6M55.43%−1,870,532−36.4%Reduced
Gotham Asset Management, LLC2,514,317$137.9M0.32%−839,654−25.0%Reduced
Dimensional Fund Advisors LP2,357,845$129.3M0.02%+198,784+9.2%Added
Van Eck Associates Corp2,270,799$124.6M0.08%+766,171+50.9%Added

Holders of 5% or more of IRDM

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Iridium Communications Inc..

Largest holders of IRDM from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A12.50%13.1M shares+2.90 ppfrom 9.60%Feb 5, 20253 filingsJan 8, 2026SEC
Baralonco Ltd13D/A9.44%10.0M shares−0.09 ppfrom 9.53%Aug 26, 20217 filingsAug 4, 2026SEC
Vanguard Portfolio Management LLC13G5.81%6.10M sharesNewApr 29, 20261 filingApr 29, 2026SEC