IQST vs IRDM: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. IQST and IRDM share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined IQST and IRDM exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

iQSTEL is a multinational technology holding company that operates through a set of subsidiaries. Its historical core is telecommunications: carrying international voice and data traffic between operators, a high-volume but very low-margin business that drives most of its reported revenue. On top of that base the company has been assembling and promoting a portfolio of higher-margin digital services, including fintech and payments (helped by its 2025 GlobeTopper acquisition), cybersecurity, artificial intelligence services, and digital health. Management describes the company as reaching an inflection point, transitioning from a telecom operator into a scalable commercialization platform for these digital services.

Full IQST guide

Iridium Communications operates a constellation of 66 active low-earth-orbit satellites (plus in-orbit spares) that provides voice and data coverage across the entire planet, including the poles and oceans where terrestrial and geostationary networks fall short. Revenue comes from recurring satellite service (about 72% of the total), plus equipment sales, engineering, and support. Commercial IoT and a long-running U.S. government airtime contract are the backbone of the subscriber base, which reached roughly 2.56 million billable subscribers in early 2026. The U.S. government generated about 29% of 2025 revenue.

Full IRDM guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• IQST drivers: Digital services mix shift; Acquisition-driven scale.
• IRDM drivers: Pending Rocket Lab acquisition; Recurring service revenue and IoT.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The biggest risk is profitability: gross margins are very thin because most revenue comes from low-margin telecom, and the company has hovered near breakeven or reported operating losses even as revenue surged, so scale alone may not produce profit. For IRDM, the dominant risk is deal risk: a pending acquisition can be delayed, repriced, or fail regulatory review, and the stock could fall back toward standalone value if the transaction breaks.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick IQST if you believe its drivers more; IRDM if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the IQST and IRDM guides.

IQST. Figures are approximate and tied to the asOf date; verify live numbers before acting. iQSTEL grows revenue quickly but on very thin margins, so headline growth can overstate underlying economic progress, and adjusted EBITDA excludes items that still affect reported results. Share count can change materially through financing and preferred-share conversions, which affects per-share value, so check the latest filings for updated revenue, margin, cash, and share-count figures before drawing conclusions.

IRDM. Iridium trades near the pending Rocket Lab deal value, with a market cap around $5.3 billion against roughly $875 million of annual revenue and about $440-490 million of EBITDA. Trailing valuation multiples (P/E near 50, EV/EBITDA around 16) look rich for a low-growth operator, which is part of why the market has anchored to the takeover terms. Net leverage of about 3.4 times EBITDA and roughly $1.76 billion of debt are relevant to the enterprise value.

Headline figures (approximate, Jul 2026): IQST shows revenue growth Very strong, up roughly 70 percent year over year in the most recent quarter, with management crediting mostly organic growth plus acquisitions, gross margin Thin, in the low-single-digit range, reflecting the low-margin telecom core, adjusted ebitda Around breakeven, with management framing it as progress toward profitability, operating result Modest operating loss despite the revenue surge; IRDM shows revenue (2025 / ttm) ~$875M, q1 2026 revenue ~$219M (up ~2% YoY), service revenue share ~72% of total, 2026 oebitda guidance ~$480-490M.

IQST and IRDM are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined IQST and IRDM exposure against your real portfolio. It is not an investment adviser.