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

IONIS PHARMACEUTICALS INC is the larger business by last-quarter revenue ($203.3M vs $142.3M, roughly 1.4× Summit Midstream Corp). Summit Midstream Corp runs the higher net margin — -5.1% vs -112.8%, a 107.7% gap on every dollar of revenue. Summit Midstream Corp produced more free cash flow last quarter ($34.5M vs $-159.0M).

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.

Summit Midstream Corp is a North American midstream energy firm serving upstream oil and gas producers. It runs natural gas and crude gathering pipelines, compression facilities, and produced water handling services, with assets across key US onshore resource basins.

IONS vs SMC — Head-to-Head

Bigger by revenue
IONS
IONS
1.4× larger
IONS
$203.3M
$142.3M
SMC
Higher net margin
SMC
SMC
107.7% more per $
SMC
-5.1%
-112.8%
IONS
More free cash flow
SMC
SMC
$193.5M more FCF
SMC
$34.5M
$-159.0M
IONS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IONS
IONS
SMC
SMC
Revenue
$203.3M
$142.3M
Net Profit
$-229.4M
$-7.3M
Gross Margin
96.1%
72.1%
Operating Margin
-105.5%
-5.5%
Net Margin
-112.8%
-5.1%
Revenue YoY
-10.3%
Net Profit YoY
-119.8%
EPS (diluted)
$-1.35
$-0.66

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
SMC
SMC
Q4 25
$203.3M
$142.3M
Q3 25
$156.7M
$146.9M
Q2 25
$452.0M
$140.2M
Q1 25
$131.6M
$132.7M
Q4 24
$226.6M
Q3 24
$133.8M
$102.4M
Q2 24
$225.3M
Q1 24
$119.5M
Net Profit
IONS
IONS
SMC
SMC
Q4 25
$-229.4M
$-7.3M
Q3 25
$-128.6M
$-1.6M
Q2 25
$123.6M
$-8.0M
Q1 25
$-146.9M
$2.0M
Q4 24
$-104.3M
Q3 24
$-140.5M
$-204.9M
Q2 24
$-66.3M
Q1 24
$-142.8M
Gross Margin
IONS
IONS
SMC
SMC
Q4 25
96.1%
72.1%
Q3 25
98.5%
74.0%
Q2 25
99.1%
74.4%
Q1 25
98.9%
73.3%
Q4 24
98.3%
Q3 24
99.2%
72.4%
Q2 24
98.2%
Q1 24
98.2%
Operating Margin
IONS
IONS
SMC
SMC
Q4 25
-105.5%
-5.5%
Q3 25
-102.2%
3.8%
Q2 25
30.9%
-3.6%
Q1 25
-111.6%
3.7%
Q4 24
-48.9%
Q3 24
-111.1%
-53.7%
Q2 24
-29.3%
Q1 24
-125.1%
Net Margin
IONS
IONS
SMC
SMC
Q4 25
-112.8%
-5.1%
Q3 25
-82.1%
-1.1%
Q2 25
27.3%
-5.7%
Q1 25
-111.6%
1.5%
Q4 24
-46.1%
Q3 24
-105.0%
-200.1%
Q2 24
-29.4%
Q1 24
-119.5%
EPS (diluted)
IONS
IONS
SMC
SMC
Q4 25
$-1.35
$-0.66
Q3 25
$-0.80
$-0.13
Q2 25
$0.70
$-0.66
Q1 25
$-0.93
$-0.16
Q4 24
$-0.66
Q3 24
$-0.95
$-19.25
Q2 24
$-0.45
Q1 24
$-0.98

Balance Sheet & Financial Strength

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

Metric
IONS
IONS
SMC
SMC
Cash + ST InvestmentsLiquidity on hand
$2.7B
$9.3M
Total DebtLower is stronger
$1.8B
$1.0B
Stockholders' EquityBook value
$489.1M
$546.2M
Total Assets
$3.5B
$2.4B
Debt / EquityLower = less leverage
3.71×
1.91×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONS
IONS
SMC
SMC
Q4 25
$2.7B
$9.3M
Q3 25
$2.2B
$24.6M
Q2 25
$2.3B
$20.9M
Q1 25
$2.1B
$26.2M
Q4 24
$2.3B
Q3 24
$2.5B
$17.8M
Q2 24
$2.1B
Q1 24
$2.2B
Total Debt
IONS
IONS
SMC
SMC
Q4 25
$1.8B
$1.0B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.3B
Q3 24
$957.0M
Q2 24
Q1 24
Stockholders' Equity
IONS
IONS
SMC
SMC
Q4 25
$489.1M
$546.2M
Q3 25
$618.0M
$551.9M
Q2 25
$631.7M
$552.0M
Q1 25
$475.7M
$558.1M
Q4 24
$588.4M
Q3 24
$662.5M
$651.5M
Q2 24
$263.7M
Q1 24
$296.5M
Total Assets
IONS
IONS
SMC
SMC
Q4 25
$3.5B
$2.4B
Q3 25
$3.0B
$2.4B
Q2 25
$3.0B
$2.4B
Q1 25
$2.8B
$2.4B
Q4 24
$3.0B
Q3 24
$3.1B
$2.0B
Q2 24
$2.7B
Q1 24
$2.8B
Debt / Equity
IONS
IONS
SMC
SMC
Q4 25
3.71×
1.91×
Q3 25
1.96×
Q2 25
1.95×
Q1 25
1.94×
Q4 24
2.13×
Q3 24
1.47×
Q2 24
Q1 24

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
SMC
SMC
Operating Cash FlowLast quarter
$-137.7M
$53.7M
Free Cash FlowOCF − Capex
$-159.0M
$34.5M
FCF MarginFCF / Revenue
-78.2%
24.3%
Capex IntensityCapex / Revenue
10.5%
13.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-320.0M
$44.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONS
IONS
SMC
SMC
Q4 25
$-137.7M
$53.7M
Q3 25
$-131.4M
$26.7M
Q2 25
$151.3M
$37.2M
Q1 25
$-150.8M
$16.0M
Q4 24
$-116.1M
Q3 24
$-115.0M
Q2 24
$-119.9M
Q1 24
$-149.9M
Free Cash Flow
IONS
IONS
SMC
SMC
Q4 25
$-159.0M
$34.5M
Q3 25
$-136.7M
$3.8M
Q2 25
$139.0M
$10.8M
Q1 25
$-163.4M
$-4.6M
Q4 24
$-141.6M
Q3 24
$-124.0M
Q2 24
$-126.1M
Q1 24
$-154.4M
FCF Margin
IONS
IONS
SMC
SMC
Q4 25
-78.2%
24.3%
Q3 25
-87.2%
2.6%
Q2 25
30.8%
7.7%
Q1 25
-124.1%
-3.4%
Q4 24
-62.5%
Q3 24
-92.7%
Q2 24
-56.0%
Q1 24
-129.2%
Capex Intensity
IONS
IONS
SMC
SMC
Q4 25
10.5%
13.4%
Q3 25
3.4%
15.6%
Q2 25
2.7%
18.8%
Q1 25
9.6%
15.5%
Q4 24
11.3%
Q3 24
6.8%
Q2 24
2.8%
Q1 24
3.8%
Cash Conversion
IONS
IONS
SMC
SMC
Q4 25
Q3 25
Q2 25
1.22×
Q1 25
7.89×
Q4 24
Q3 24
Q2 24
Q1 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%

SMC
SMC

Rockies Segment$86.2M61%
Mid Con Barnett Shale Segment$39.4M28%
Piceance Basin Segment$15.8M11%

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