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Side-by-side financial comparison of Iridium Communications Inc. (IRDM) and TANDEM DIABETES CARE INC (TNDM). Click either name above to swap in a different company.
TANDEM DIABETES CARE INC is the larger business by last-quarter revenue ($247.2M vs $219.1M, roughly 1.1× Iridium Communications Inc.). Iridium Communications Inc. runs the higher net margin — 9.9% vs -8.2%, a 18.1% gap on every dollar of revenue. On growth, TANDEM DIABETES CARE INC posted the faster year-over-year revenue change (5.5% vs 1.9%). Over the past eight quarters, TANDEM DIABETES CARE INC's revenue compounded faster (5.5% CAGR vs 4.4%).
Iridium Communications Inc. is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium operates the Iridium satellite constellation, a system of 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. Iridium Satellites are used for worldwide voice and data communication from handheld satellite phones, satellite messenger communication devices and integrated transceivers, as well as for two-way satellite messaging se...
Tandem Diabetes Care, Inc. is an American medical device manufacturer based in San Diego, California. The company develops medical technologies for the treatment of diabetes and specifically insulin infusion therapy.
IRDM vs TNDM — Head-to-Head
Income Statement — Q1 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $219.1M | $247.2M |
| Net Profit | $21.6M | $-20.4M |
| Gross Margin | — | 55.3% |
| Operating Margin | 23.2% | 37.6% |
| Net Margin | 9.9% | -8.2% |
| Revenue YoY | 1.9% | 5.5% |
| Net Profit YoY | — | — |
| EPS (diluted) | — | $-0.30 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | $219.1M | $247.2M | ||
| Q4 25 | $212.9M | $290.4M | ||
| Q3 25 | $226.9M | $249.3M | ||
| Q2 25 | $216.9M | $240.7M | ||
| Q1 25 | $214.9M | $234.4M | ||
| Q4 24 | $213.0M | $282.6M | ||
| Q3 24 | $212.8M | $244.0M | ||
| Q2 24 | $201.1M | $221.9M |
| Q1 26 | $21.6M | $-20.4M | ||
| Q4 25 | $24.9M | $-589.0K | ||
| Q3 25 | $37.1M | $-21.2M | ||
| Q2 25 | $22.0M | $-52.4M | ||
| Q1 25 | $30.4M | $-130.6M | ||
| Q4 24 | $36.3M | $755.0K | ||
| Q3 24 | $24.4M | $-23.3M | ||
| Q2 24 | $32.3M | $-30.8M |
| Q1 26 | — | 55.3% | ||
| Q4 25 | — | 57.7% | ||
| Q3 25 | — | 53.9% | ||
| Q2 25 | — | 52.3% | ||
| Q1 25 | — | 50.5% | ||
| Q4 24 | — | 55.7% | ||
| Q3 24 | — | 51.1% | ||
| Q2 24 | — | 50.8% |
| Q1 26 | 23.2% | 37.6% | ||
| Q4 25 | 25.9% | 2.9% | ||
| Q3 25 | 30.9% | -9.2% | ||
| Q2 25 | 23.2% | -21.5% | ||
| Q1 25 | 28.1% | -51.6% | ||
| Q4 24 | 24.5% | -0.2% | ||
| Q3 24 | 25.8% | -10.7% | ||
| Q2 24 | 21.7% | -13.9% |
| Q1 26 | 9.9% | -8.2% | ||
| Q4 25 | 11.7% | -0.2% | ||
| Q3 25 | 16.4% | -8.5% | ||
| Q2 25 | 10.1% | -21.8% | ||
| Q1 25 | 14.2% | -55.7% | ||
| Q4 24 | 17.1% | 0.3% | ||
| Q3 24 | 11.5% | -9.5% | ||
| Q2 24 | 16.1% | -13.9% |
| Q1 26 | — | $-0.30 | ||
| Q4 25 | $0.24 | $0.02 | ||
| Q3 25 | $0.35 | $-0.31 | ||
| Q2 25 | $0.20 | $-0.78 | ||
| Q1 25 | $0.27 | $-1.97 | ||
| Q4 24 | $0.30 | $0.00 | ||
| Q3 24 | $0.21 | $-0.35 | ||
| Q2 24 | $0.27 | $-0.47 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | — | $570.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | — | $132.4M |
| Total Assets | — | $1.2B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $570.3M | ||
| Q4 25 | $96.5M | $292.7M | ||
| Q3 25 | $88.5M | $319.1M | ||
| Q2 25 | $79.3M | $315.4M | ||
| Q1 25 | $50.9M | $368.6M | ||
| Q4 24 | $93.5M | $438.3M | ||
| Q3 24 | $159.6M | $473.3M | ||
| Q2 24 | $63.5M | $452.4M |
| Q1 26 | — | — | ||
| Q4 25 | $1.8B | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $1.8B | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
| Q1 26 | — | $132.4M | ||
| Q4 25 | $462.6M | $155.2M | ||
| Q3 25 | $450.5M | $133.0M | ||
| Q2 25 | $473.6M | $133.3M | ||
| Q1 25 | $518.4M | $155.3M | ||
| Q4 24 | $576.6M | $263.1M | ||
| Q3 24 | $663.8M | $237.7M | ||
| Q2 24 | $786.7M | $233.9M |
| Q1 26 | — | $1.2B | ||
| Q4 25 | $2.5B | $881.1M | ||
| Q3 25 | $2.6B | $874.7M | ||
| Q2 25 | $2.6B | $875.7M | ||
| Q1 25 | $2.6B | $922.1M | ||
| Q4 24 | $2.7B | $967.7M | ||
| Q3 24 | $2.8B | $957.7M | ||
| Q2 24 | $2.7B | $937.5M |
| Q1 26 | — | — | ||
| Q4 25 | 3.80× | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 3.05× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
IRDM
| Voice and data | $57.4M | 26% |
| IoT data (2) | $46.0M | 21% |
| Government | $39.5M | 18% |
| Government service revenue (5) | $27.6M | 13% |
| Subscriber equipment | $20.2M | 9% |
| Hosted payload and other data service (4) | $14.8M | 7% |
| Broadband (3) | $12.2M | 6% |
| Commercial | $1.3M | 1% |
TNDM
Segment breakdown not available.
