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Side-by-side financial comparison of IONIS PHARMACEUTICALS INC (IONS) and Knowles Corp (KN). Click either name above to swap in a different company.

IONIS PHARMACEUTICALS INC is the larger business by last-quarter revenue ($203.3M vs $153.1M, roughly 1.3× Knowles Corp). Knowles Corp runs the higher net margin — 6.3% vs -112.8%, a 119.2% gap on every dollar of revenue. On growth, Knowles Corp posted the faster year-over-year revenue change (22.7% vs -10.3%). Knowles Corp produced more free cash flow last quarter ($-3.1M vs $-159.0M). Over the past eight quarters, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% CAGR vs -13.5%).

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.

Knowles Corporation is a global leading designer and manufacturer of advanced micro-acoustic, audio processing, and precision component solutions. It serves core segments including consumer electronics, automotive, medical technology, and industrial markets, offering products such as MEMS microphones, hearing aid components, and edge audio processing ICs to worldwide clients.

IONS vs KN — Head-to-Head

Bigger by revenue
IONS
IONS
1.3× larger
IONS
$203.3M
$153.1M
KN
Growing faster (revenue YoY)
KN
KN
+33.0% gap
KN
22.7%
-10.3%
IONS
Higher net margin
KN
KN
119.2% more per $
KN
6.3%
-112.8%
IONS
More free cash flow
KN
KN
$155.9M more FCF
KN
$-3.1M
$-159.0M
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
-13.5%
KN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IONS
IONS
KN
KN
Revenue
$203.3M
$153.1M
Net Profit
$-229.4M
$9.7M
Gross Margin
96.1%
43.8%
Operating Margin
-105.5%
10.4%
Net Margin
-112.8%
6.3%
Revenue YoY
-10.3%
22.7%
Net Profit YoY
-119.8%
585.0%
EPS (diluted)
$-1.35
$0.13

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
KN
KN
Q1 26
$153.1M
Q4 25
$203.3M
$162.2M
Q3 25
$156.7M
$152.9M
Q2 25
$452.0M
$145.9M
Q1 25
$131.6M
$132.2M
Q4 24
$226.6M
$142.5M
Q3 24
$133.8M
$142.5M
Q2 24
$225.3M
$204.7M
Net Profit
IONS
IONS
KN
KN
Q1 26
$9.7M
Q4 25
$-229.4M
$21.0M
Q3 25
$-128.6M
$17.4M
Q2 25
$123.6M
$7.8M
Q1 25
$-146.9M
$-2.0M
Q4 24
$-104.3M
$18.5M
Q3 24
$-140.5M
$500.0K
Q2 24
$-66.3M
$-259.3M
Gross Margin
IONS
IONS
KN
KN
Q1 26
43.8%
Q4 25
96.1%
44.7%
Q3 25
98.5%
45.7%
Q2 25
99.1%
41.5%
Q1 25
98.9%
40.3%
Q4 24
98.3%
42.7%
Q3 24
99.2%
44.1%
Q2 24
98.2%
28.2%
Operating Margin
IONS
IONS
KN
KN
Q1 26
10.4%
Q4 25
-105.5%
15.9%
Q3 25
-102.2%
16.9%
Q2 25
30.9%
10.1%
Q1 25
-111.6%
3.0%
Q4 24
-48.9%
10.8%
Q3 24
-111.1%
13.1%
Q2 24
-29.3%
6.2%
Net Margin
IONS
IONS
KN
KN
Q1 26
6.3%
Q4 25
-112.8%
12.9%
Q3 25
-82.1%
11.4%
Q2 25
27.3%
5.3%
Q1 25
-111.6%
-1.5%
Q4 24
-46.1%
13.0%
Q3 24
-105.0%
0.4%
Q2 24
-29.4%
-126.7%
EPS (diluted)
IONS
IONS
KN
KN
Q1 26
$0.13
Q4 25
$-1.35
$0.23
Q3 25
$-0.80
$0.20
Q2 25
$0.70
$0.09
Q1 25
$-0.93
$-0.02
Q4 24
$-0.66
$0.20
Q3 24
$-0.95
$0.01
Q2 24
$-0.45
$-2.88

Balance Sheet & Financial Strength

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

Metric
IONS
IONS
KN
KN
Cash + ST InvestmentsLiquidity on hand
$2.7B
$41.0M
Total DebtLower is stronger
$1.8B
$131.0M
Stockholders' EquityBook value
$489.1M
$780.2M
Total Assets
$3.5B
$1.1B
Debt / EquityLower = less leverage
3.71×
0.17×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONS
IONS
KN
KN
Q1 26
$41.0M
Q4 25
$2.7B
$54.2M
Q3 25
$2.2B
$92.5M
Q2 25
$2.3B
$103.2M
Q1 25
$2.1B
$101.9M
Q4 24
$2.3B
$130.1M
Q3 24
$2.5B
$92.6M
Q2 24
$2.1B
$84.0M
Total Debt
IONS
IONS
KN
KN
Q1 26
$131.0M
Q4 25
$1.8B
$114.0M
Q3 25
$176.3M
Q2 25
$190.0M
Q1 25
$188.8M
Q4 24
$1.3B
$202.5M
Q3 24
$225.0M
Q2 24
$261.2M
Stockholders' Equity
IONS
IONS
KN
KN
Q1 26
$780.2M
Q4 25
$489.1M
$775.8M
Q3 25
$618.0M
$751.8M
Q2 25
$631.7M
$746.1M
Q1 25
$475.7M
$755.8M
Q4 24
$588.4M
$756.0M
Q3 24
$662.5M
$777.4M
Q2 24
$263.7M
$753.0M
Total Assets
IONS
IONS
KN
KN
Q1 26
$1.1B
Q4 25
$3.5B
$1.1B
Q3 25
$3.0B
$1.1B
Q2 25
$3.0B
$1.1B
Q1 25
$2.8B
$1.1B
Q4 24
$3.0B
$1.1B
Q3 24
$3.1B
$1.2B
Q2 24
$2.7B
$1.2B
Debt / Equity
IONS
IONS
KN
KN
Q1 26
0.17×
Q4 25
3.71×
0.15×
Q3 25
0.23×
Q2 25
0.25×
Q1 25
0.25×
Q4 24
2.13×
0.27×
Q3 24
0.29×
Q2 24
0.35×

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
KN
KN
Operating Cash FlowLast quarter
$-137.7M
$0
Free Cash FlowOCF − Capex
$-159.0M
$-3.1M
FCF MarginFCF / Revenue
-78.2%
-2.0%
Capex IntensityCapex / Revenue
10.5%
7.1%
Cash ConversionOCF / Net Profit
0.00×
TTM Free Cash FlowTrailing 4 quarters
$-320.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONS
IONS
KN
KN
Q1 26
$0
Q4 25
$-137.7M
Q3 25
$-131.4M
$29.1M
Q2 25
$151.3M
$36.4M
Q1 25
$-150.8M
$1.3M
Q4 24
$-116.1M
Q3 24
$-115.0M
$52.8M
Q2 24
$-119.9M
$24.9M
Free Cash Flow
IONS
IONS
KN
KN
Q1 26
$-3.1M
Q4 25
$-159.0M
Q3 25
$-136.7M
$21.4M
Q2 25
$139.0M
$31.3M
Q1 25
$-163.4M
$-2.7M
Q4 24
$-141.6M
Q3 24
$-124.0M
$49.1M
Q2 24
$-126.1M
$21.7M
FCF Margin
IONS
IONS
KN
KN
Q1 26
-2.0%
Q4 25
-78.2%
Q3 25
-87.2%
14.0%
Q2 25
30.8%
21.5%
Q1 25
-124.1%
-2.0%
Q4 24
-62.5%
Q3 24
-92.7%
34.5%
Q2 24
-56.0%
10.6%
Capex Intensity
IONS
IONS
KN
KN
Q1 26
7.1%
Q4 25
10.5%
9.4%
Q3 25
3.4%
5.0%
Q2 25
2.7%
3.5%
Q1 25
9.6%
3.0%
Q4 24
11.3%
2.3%
Q3 24
6.8%
2.6%
Q2 24
2.8%
1.6%
Cash Conversion
IONS
IONS
KN
KN
Q1 26
0.00×
Q4 25
Q3 25
1.67×
Q2 25
1.22×
4.67×
Q1 25
Q4 24
Q3 24
105.60×
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%

KN
KN

Segment breakdown not available.

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