IRDM — Deck

Iridium Communications · IRDM · NASDAQ

Iridium runs a 66-satellite low-Earth-orbit network providing voice, IoT, government, and aviation safety connectivity in places terrestrial wireless cannot reach, collecting wholesale fees from roughly 520 distribution partners worldwide.

$39
Price
$4.1B
Market cap
$872M
Revenue (FY25)
51%
EBITDA margin
Re-listed via SPAC in 2009 after the original Iridium's 1999 bankruptcy; ran from $7 in 2016 to a $63 peak in April 2023, crashed to $16 by November 2025, then doubled back to $39 on spectrum-deal buzz.
2 · The setup

A satellite cash machine that just rallied 119% on someone else's M&A — straight into a binary contract cliff.

  • The rally is narrative, not numbers. IRDM is +119% YTD to $39 after Amazon agreed to buy Globalstar in early April, a deal that repriced L/S-band spectrum optionality and put Iridium into the M&A spotlight. Q1 2026 EPS missed by 28% ($0.20 vs $0.27 consensus) and the stock now trades above the $35 post-Q1 consensus price target.
  • The contract cliff is dated and central. The $110.5M/yr Department of War EMSS contract — 13% of revenue, fixed-price — expires September 2026. The FY25 10-K elevated EMSS into its own paragraph for the first time, named SpaceX directly, and warned renewal is not guaranteed 'on as favorable terms or at all.'
  • The per-share machine has been switched off. Iridium spent $1.27B retiring 20% of float between 2021 and 2025 against just $300M of cumulative net income. The buyback was paused in October 2025 to preserve dry powder for 'transformational M&A' — the dollar lever that bulls cite is on hold.
The Amazon deal was Globalstar's. The rally was Iridium's.
3 · The cash engine

Capex-light harvest phase: 51% EBITDA margins on a constellation that's already paid for.

$872M
Revenue FY25 +5% YoY
51.2%
EBITDA margin record since 2020
$300M
Free cash flow 34% FCF margin
3.7×
Net debt / EBITDA buybacks, not losses

Iridium spent roughly $3B between 2010 and 2018 rebuilding its NEXT constellation; capex has since collapsed below $100M/yr, and management extended satellite life from 12.5 to 17.5 years in late 2023 — pushing the next major spend wave from ~2027 to ~2031. Operating leverage cuts both ways: 3% service-revenue growth printed +18% operating income in 2025, but FY26 guidance now points to flat-to-+2% revenue and EBITDA contraction to $480–490M.

4 · The September cliff

One contract, $110M a year, renegotiating in five months at the worst buyer-leverage posture Iridium has ever faced.

  • The asset. The Department of War operates a dedicated gateway physically wired only to Iridium's network — switching cost is 'measured in years and billions.' Government revenue grew from 25% of total in 2023 to 29% in 2025; a $85.8M five-year Space Force ground-modernization contract landed in December 2025.
  • The risk. EMSS expires September 2026 with one six-month extension. The buyer suddenly holds substitutes it has never held before: SpaceX acquired EchoStar's S-band rights, Apple-Globalstar is scaling D2D emergency SOS, and the Amazon-Globalstar deal repriced L/S-band optionality this April.
  • The signal. A six-month bridge — instead of a multi-year renewal — is itself the negative tell. The bull case needs a flat-or-up renewal at $110.5M+ with a 5-year term; anything less reprices the entire forward FCF stack.
$110.5M a year, every year, until it isn't.
5 · The narrative reset

The 2030 plan that drove the 2023 re-rating has quietly been withdrawn.

What was promised. The September 2023 Investor Day anchored on $1B of service revenue by 2030, $3B of capital return through 2030, and capex of $40–60M/yr. The Qualcomm Snapdragon Satellite partnership announced January 2023 was meant to be the consumer direct-to-device engine.

What broke. Qualcomm cancelled in November 2023. Service revenue grew 3% in 2025 versus the 5–7% guide. In Q3 2025 management formally withdrew the $1B-by-2030 target after SpaceX bought EchoStar's S-band, replacing it with a smaller $1.5–1.8B cumulative FCF anchor through 2030. Capex through-2029 has walked from $40M to $90–100M/yr.

What's left. Four pillars — IoT, PNT, national security, aviation safety. PNT, the headline forward pillar, did about $10M of revenue in 2025 against a $100M-by-2030 commitment; the new CFO called it 'premature' to include in the 2026 outlook. The forward story now needs spectrum monetization or M&A to do the lifting growth was supposed to.

The 2030 target wasn't missed — it was withdrawn.
6 · For & against

Lean cautious — the spectrum re-rating has been collected before the contract risk has resolved.

  • For. $300M of FCF on a $4.1B market cap is a 7.3% yield, with capex contractually near $100M/yr through 2031 after the satellite-life extension to 17.5 years. The constellation is paid for and the engine works.
  • For. Operating margin hit a record 27.1% in FY25, up from 6.1% in FY20 and 15.1% in FY23. The fixed-cost LEO network is a one-way ratchet on incremental subscribers until proven otherwise — and CEO Desch's $41M direct stake (39× base salary) keeps capital allocation aligned.
  • Against. EMSS — 13% of revenue at $110.5M/yr fixed-price — renegotiates in September 2026 against the most substitutable narrowband options the buyer has ever held. The FY25 10-K's own language: renewal not guaranteed 'on as favorable terms or at all.'
  • Against. The 2030 plan is dead, the buyback is paused, and at $39 the stock already trades above the $35 post-Q1 consensus price target. PNT is at $10M against a $100M target. The bull asymmetry has been arbitraged away by the spring rally.
My view — wait for Q2 OEBITDA on July 24 and the Q3/Q4 EMSS language. A clean EMSS renewal at $110.5M+ with a 5-year term flips the lean to constructive.

Watchlist to re-rate: Q2 2026 OEBITDA on July 24 — does it reverse the Q1 −5% YoY decline. EMSS contract language in the Q3 or Q4 print — multi-year renewal versus six-month bridge. Capital allocation reset at year-end 2026 — buyback restart at materially-higher prices versus an announced acquisition deploying the paused capital.