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Side-by-side financial comparison of IONIS PHARMACEUTICALS INC (IONS) and 1ST SOURCE CORP (SRCE). Click either name above to swap in a different company.

IONIS PHARMACEUTICALS INC is the larger business by last-quarter revenue ($203.3M vs $113.1M, roughly 1.8× 1ST SOURCE CORP). 1ST SOURCE CORP runs the higher net margin — 35.3% vs -112.8%, a 148.1% gap on every dollar of revenue. On growth, 1ST SOURCE CORP posted the faster year-over-year revenue change (8.7% vs -10.3%). 1ST SOURCE CORP produced more free cash flow last quarter ($58.1M vs $-159.0M). Over the past eight quarters, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% CAGR vs 7.8%).

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.

1st Source Corporation is a financial services company headquartered in South Bend, Indiana. It operates 1st Source Bank, a bank with 81 branches in Indiana and Michigan. The bank's Specialty Finance Group provides financing for aircraft, trucks, and construction equipment. 1st Source Insurance provides insurance products and services.

IONS vs SRCE — Head-to-Head

Bigger by revenue
IONS
IONS
1.8× larger
IONS
$203.3M
$113.1M
SRCE
Growing faster (revenue YoY)
SRCE
SRCE
+19.0% gap
SRCE
8.7%
-10.3%
IONS
Higher net margin
SRCE
SRCE
148.1% more per $
SRCE
35.3%
-112.8%
IONS
More free cash flow
SRCE
SRCE
$217.1M more FCF
SRCE
$58.1M
$-159.0M
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
7.8%
SRCE

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IONS
IONS
SRCE
SRCE
Revenue
$203.3M
$113.1M
Net Profit
$-229.4M
$40.0M
Gross Margin
96.1%
Operating Margin
-105.5%
45.4%
Net Margin
-112.8%
35.3%
Revenue YoY
-10.3%
8.7%
Net Profit YoY
-119.8%
6.5%
EPS (diluted)
$-1.35
$1.63

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
SRCE
SRCE
Q1 26
$113.1M
Q4 25
$203.3M
$110.8M
Q3 25
$156.7M
$110.7M
Q2 25
$452.0M
$108.2M
Q1 25
$131.6M
$104.0M
Q4 24
$226.6M
$97.8M
Q3 24
$133.8M
$97.9M
Q2 24
$225.3M
$97.3M
Net Profit
IONS
IONS
SRCE
SRCE
Q1 26
$40.0M
Q4 25
$-229.4M
$41.1M
Q3 25
$-128.6M
$42.3M
Q2 25
$123.6M
$37.3M
Q1 25
$-146.9M
$37.5M
Q4 24
$-104.3M
$31.4M
Q3 24
$-140.5M
$34.9M
Q2 24
$-66.3M
$36.8M
Gross Margin
IONS
IONS
SRCE
SRCE
Q1 26
Q4 25
96.1%
Q3 25
98.5%
Q2 25
99.1%
Q1 25
98.9%
Q4 24
98.3%
Q3 24
99.2%
Q2 24
98.2%
Operating Margin
IONS
IONS
SRCE
SRCE
Q1 26
45.4%
Q4 25
-105.5%
Q3 25
-102.2%
49.7%
Q2 25
30.9%
44.5%
Q1 25
-111.6%
45.8%
Q4 24
-48.9%
Q3 24
-111.1%
46.3%
Q2 24
-29.3%
49.1%
Net Margin
IONS
IONS
SRCE
SRCE
Q1 26
35.3%
Q4 25
-112.8%
37.1%
Q3 25
-82.1%
38.2%
Q2 25
27.3%
34.5%
Q1 25
-111.6%
36.1%
Q4 24
-46.1%
32.1%
Q3 24
-105.0%
35.7%
Q2 24
-29.4%
37.8%
EPS (diluted)
IONS
IONS
SRCE
SRCE
Q1 26
$1.63
Q4 25
$-1.35
$1.67
Q3 25
$-0.80
$1.71
Q2 25
$0.70
$1.51
Q1 25
$-0.93
$1.52
Q4 24
$-0.66
$1.27
Q3 24
$-0.95
$1.41
Q2 24
$-0.45
$1.49

Balance Sheet & Financial Strength

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

Metric
IONS
IONS
SRCE
SRCE
Cash + ST InvestmentsLiquidity on hand
$2.7B
Total DebtLower is stronger
$1.8B
Stockholders' EquityBook value
$489.1M
$1.3B
Total Assets
$3.5B
$9.1B
Debt / EquityLower = less leverage
3.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONS
IONS
SRCE
SRCE
Q1 26
Q4 25
$2.7B
Q3 25
$2.2B
Q2 25
$2.3B
Q1 25
$2.1B
Q4 24
$2.3B
Q3 24
$2.5B
Q2 24
$2.1B
Total Debt
IONS
IONS
SRCE
SRCE
Q1 26
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
$1.3B
Q3 24
Q2 24
Stockholders' Equity
IONS
IONS
SRCE
SRCE
Q1 26
$1.3B
Q4 25
$489.1M
$1.3B
Q3 25
$618.0M
$1.2B
Q2 25
$631.7M
$1.2B
Q1 25
$475.7M
$1.2B
Q4 24
$588.4M
$1.1B
Q3 24
$662.5M
$1.1B
Q2 24
$263.7M
$1.0B
Total Assets
IONS
IONS
SRCE
SRCE
Q1 26
$9.1B
Q4 25
$3.5B
$9.1B
Q3 25
$3.0B
$9.1B
Q2 25
$3.0B
$9.1B
Q1 25
$2.8B
$9.0B
Q4 24
$3.0B
$8.9B
Q3 24
$3.1B
$8.8B
Q2 24
$2.7B
$8.9B
Debt / Equity
IONS
IONS
SRCE
SRCE
Q1 26
Q4 25
3.71×
Q3 25
Q2 25
Q1 25
Q4 24
2.13×
Q3 24
Q2 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
SRCE
SRCE
Operating Cash FlowLast quarter
$-137.7M
$59.1M
Free Cash FlowOCF − Capex
$-159.0M
$58.1M
FCF MarginFCF / Revenue
-78.2%
51.4%
Capex IntensityCapex / Revenue
10.5%
0.9%
Cash ConversionOCF / Net Profit
1.48×
TTM Free Cash FlowTrailing 4 quarters
$-320.0M
$361.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONS
IONS
SRCE
SRCE
Q1 26
$59.1M
Q4 25
$-137.7M
$223.1M
Q3 25
$-131.4M
$51.0M
Q2 25
$151.3M
$44.9M
Q1 25
$-150.8M
$71.8M
Q4 24
$-116.1M
$193.9M
Q3 24
$-115.0M
$68.4M
Q2 24
$-119.9M
$50.0M
Free Cash Flow
IONS
IONS
SRCE
SRCE
Q1 26
$58.1M
Q4 25
$-159.0M
$213.0M
Q3 25
$-136.7M
$47.3M
Q2 25
$139.0M
$43.0M
Q1 25
$-163.4M
$69.3M
Q4 24
$-141.6M
$181.5M
Q3 24
$-124.0M
$66.7M
Q2 24
$-126.1M
$46.4M
FCF Margin
IONS
IONS
SRCE
SRCE
Q1 26
51.4%
Q4 25
-78.2%
192.2%
Q3 25
-87.2%
42.7%
Q2 25
30.8%
39.8%
Q1 25
-124.1%
66.6%
Q4 24
-62.5%
185.5%
Q3 24
-92.7%
68.1%
Q2 24
-56.0%
47.7%
Capex Intensity
IONS
IONS
SRCE
SRCE
Q1 26
0.9%
Q4 25
10.5%
9.1%
Q3 25
3.4%
3.4%
Q2 25
2.7%
1.7%
Q1 25
9.6%
2.4%
Q4 24
11.3%
12.6%
Q3 24
6.8%
1.7%
Q2 24
2.8%
3.7%
Cash Conversion
IONS
IONS
SRCE
SRCE
Q1 26
1.48×
Q4 25
5.42×
Q3 25
1.21×
Q2 25
1.22×
1.20×
Q1 25
1.91×
Q4 24
6.17×
Q3 24
1.96×
Q2 24
1.36×

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%

SRCE
SRCE

Segment breakdown not available.

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