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Side-by-side financial comparison of IONIS PHARMACEUTICALS INC (IONS) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

IONIS PHARMACEUTICALS INC is the larger business by last-quarter revenue ($203.3M vs $162.6M, roughly 1.3× Ribbon Communications Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs -112.8%, a 167.6% gap on every dollar of revenue. On growth, IONIS PHARMACEUTICALS INC posted the faster year-over-year revenue change (-10.3% vs -10.3%). Over the past eight quarters, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% CAGR vs -8.1%).

Ionis Pharmaceuticals, Inc. is a biotechnology company that specializes in discovering and developing antisense therapy, as well as RNA interference and CRISPR therapeutics. The company was founded in 1989 is based in Carlsbad, California. The company was previously known as Isis Pharmaceuticals until December 2015.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

IONS vs RBBN — Head-to-Head

Bigger by revenue
IONS
IONS
1.3× larger
IONS
$203.3M
$162.6M
RBBN
Growing faster (revenue YoY)
IONS
IONS
+0.0% gap
IONS
-10.3%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
167.6% more per $
RBBN
54.8%
-112.8%
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
-8.1%
RBBN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IONS
IONS
RBBN
RBBN
Revenue
$203.3M
$162.6M
Net Profit
$-229.4M
$89.1M
Gross Margin
96.1%
42.9%
Operating Margin
-105.5%
Net Margin
-112.8%
54.8%
Revenue YoY
-10.3%
-10.3%
Net Profit YoY
-119.8%
EPS (diluted)
$-1.35
$0.50

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.

Revenue
IONS
IONS
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$203.3M
$227.3M
Q3 25
$156.7M
$215.4M
Q2 25
$452.0M
$220.6M
Q1 25
$131.6M
$181.3M
Q4 24
$226.6M
$251.4M
Q3 24
$133.8M
$210.2M
Q2 24
$225.3M
$192.6M
Net Profit
IONS
IONS
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$-229.4M
Q3 25
$-128.6M
$-12.1M
Q2 25
$123.6M
$-11.1M
Q1 25
$-146.9M
$-26.2M
Q4 24
$-104.3M
Q3 24
$-140.5M
$-13.4M
Q2 24
$-66.3M
$-16.8M
Gross Margin
IONS
IONS
RBBN
RBBN
Q1 26
42.9%
Q4 25
96.1%
53.3%
Q3 25
98.5%
50.1%
Q2 25
99.1%
49.6%
Q1 25
98.9%
45.4%
Q4 24
98.3%
55.7%
Q3 24
99.2%
52.1%
Q2 24
98.2%
50.8%
Operating Margin
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
-105.5%
4.1%
Q3 25
-102.2%
1.3%
Q2 25
30.9%
1.9%
Q1 25
-111.6%
-10.8%
Q4 24
-48.9%
13.2%
Q3 24
-111.1%
-0.4%
Q2 24
-29.3%
-1.0%
Net Margin
IONS
IONS
RBBN
RBBN
Q1 26
54.8%
Q4 25
-112.8%
Q3 25
-82.1%
-5.6%
Q2 25
27.3%
-5.0%
Q1 25
-111.6%
-14.5%
Q4 24
-46.1%
Q3 24
-105.0%
-6.4%
Q2 24
-29.4%
-8.7%
EPS (diluted)
IONS
IONS
RBBN
RBBN
Q1 26
$0.50
Q4 25
$-1.35
$0.50
Q3 25
$-0.80
$-0.07
Q2 25
$0.70
$-0.06
Q1 25
$-0.93
$-0.15
Q4 24
$-0.66
$0.05
Q3 24
$-0.95
$-0.08
Q2 24
$-0.45
$-0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
IONS
IONS
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$2.7B
$67.6M
Total DebtLower is stronger
$1.8B
Stockholders' EquityBook value
$489.1M
$419.1M
Total Assets
$3.5B
Debt / EquityLower = less leverage
3.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONS
IONS
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$2.7B
$96.4M
Q3 25
$2.2B
$74.8M
Q2 25
$2.3B
$60.5M
Q1 25
$2.1B
$71.2M
Q4 24
$2.3B
$87.8M
Q3 24
$2.5B
$37.2M
Q2 24
$2.1B
$64.6M
Total Debt
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
$1.8B
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$1.3B
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
IONS
IONS
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$489.1M
$449.0M
Q3 25
$618.0M
$360.1M
Q2 25
$631.7M
$370.4M
Q1 25
$475.7M
$381.8M
Q4 24
$588.4M
$404.6M
Q3 24
$662.5M
$395.5M
Q2 24
$263.7M
$405.0M
Total Assets
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
$3.5B
$1.2B
Q3 25
$3.0B
$1.1B
Q2 25
$3.0B
$1.1B
Q1 25
$2.8B
$1.1B
Q4 24
$3.0B
$1.2B
Q3 24
$3.1B
$1.1B
Q2 24
$2.7B
$1.1B
Debt / Equity
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
3.71×
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
2.13×
0.86×
Q3 24
0.88×
Q2 24
0.86×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
IONS
IONS
RBBN
RBBN
Operating Cash FlowLast quarter
$-137.7M
Free Cash FlowOCF − Capex
$-159.0M
FCF MarginFCF / Revenue
-78.2%
Capex IntensityCapex / Revenue
10.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-320.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
$-137.7M
$29.2M
Q3 25
$-131.4M
$26.5M
Q2 25
$151.3M
$-795.0K
Q1 25
$-150.8M
$-3.5M
Q4 24
$-116.1M
$61.8M
Q3 24
$-115.0M
$-14.8M
Q2 24
$-119.9M
$-9.8M
Free Cash Flow
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
$-159.0M
$27.3M
Q3 25
$-136.7M
$21.0M
Q2 25
$139.0M
$-6.5M
Q1 25
$-163.4M
$-15.7M
Q4 24
$-141.6M
$53.8M
Q3 24
$-124.0M
$-23.7M
Q2 24
$-126.1M
$-12.9M
FCF Margin
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
-78.2%
12.0%
Q3 25
-87.2%
9.7%
Q2 25
30.8%
-2.9%
Q1 25
-124.1%
-8.7%
Q4 24
-62.5%
21.4%
Q3 24
-92.7%
-11.3%
Q2 24
-56.0%
-6.7%
Capex Intensity
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
10.5%
0.9%
Q3 25
3.4%
2.6%
Q2 25
2.7%
2.6%
Q1 25
9.6%
6.7%
Q4 24
11.3%
3.2%
Q3 24
6.8%
4.2%
Q2 24
2.8%
1.6%
Cash Conversion
IONS
IONS
RBBN
RBBN
Q1 26
Q4 25
Q3 25
Q2 25
1.22×
Q1 25
Q4 24
Q3 24
Q2 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

IONS
IONS

Products$58.0M29%
Spinraza Royalties$54.0M27%
Collaborative Agreement Revenue$52.4M26%
Wainus Royalties$16.0M8%
Wainua Joint Development Revenue$9.6M5%
Other Commercial$7.6M4%
Other Royalties$5.7M3%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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