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Side-by-side financial comparison of Enact Holdings, Inc. (ACT) and IONIS PHARMACEUTICALS INC (IONS). Click either name above to swap in a different company.

Enact Holdings, Inc. is the larger business by last-quarter revenue ($312.7M vs $203.3M, roughly 1.5× IONIS PHARMACEUTICALS INC). On growth, Enact Holdings, Inc. posted the faster year-over-year revenue change (3.6% vs -10.3%). Over the past eight quarters, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% CAGR vs 3.6%).

Enact Holdings, Inc. is a leading U.S.-based private mortgage insurance provider. It delivers risk mitigation solutions to residential mortgage lenders, banks, and credit unions, enabling borrowers with smaller down payments to access affordable home financing, and supports sustainable homeownership for diverse consumer groups across the United States.

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.

ACT vs IONS — Head-to-Head

Bigger by revenue
ACT
ACT
1.5× larger
ACT
$312.7M
$203.3M
IONS
Growing faster (revenue YoY)
ACT
ACT
+13.9% gap
ACT
3.6%
-10.3%
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
3.6%
ACT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ACT
ACT
IONS
IONS
Revenue
$312.7M
$203.3M
Net Profit
$-229.4M
Gross Margin
96.1%
Operating Margin
71.3%
-105.5%
Net Margin
-112.8%
Revenue YoY
3.6%
-10.3%
Net Profit YoY
-119.8%
EPS (diluted)
$1.23
$-1.35

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
ACT
ACT
IONS
IONS
Q4 25
$312.7M
$203.3M
Q3 25
$311.5M
$156.7M
Q2 25
$304.9M
$452.0M
Q1 25
$306.8M
$131.6M
Q4 24
$301.8M
$226.6M
Q3 24
$309.6M
$133.8M
Q2 24
$298.8M
$225.3M
Q1 24
$291.6M
$119.5M
Net Profit
ACT
ACT
IONS
IONS
Q4 25
$-229.4M
Q3 25
$-128.6M
Q2 25
$123.6M
Q1 25
$-146.9M
Q4 24
$-104.3M
Q3 24
$-140.5M
Q2 24
$-66.3M
Q1 24
$-142.8M
Gross Margin
ACT
ACT
IONS
IONS
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%
Q1 24
98.2%
Operating Margin
ACT
ACT
IONS
IONS
Q4 25
71.3%
-105.5%
Q3 25
67.4%
-102.2%
Q2 25
70.4%
30.9%
Q1 25
68.9%
-111.6%
Q4 24
68.9%
-48.9%
Q3 24
74.1%
-111.1%
Q2 24
78.6%
-29.3%
Q1 24
70.6%
-125.1%
Net Margin
ACT
ACT
IONS
IONS
Q4 25
-112.8%
Q3 25
-82.1%
Q2 25
27.3%
Q1 25
-111.6%
Q4 24
-46.1%
Q3 24
-105.0%
Q2 24
-29.4%
Q1 24
-119.5%
EPS (diluted)
ACT
ACT
IONS
IONS
Q4 25
$1.23
$-1.35
Q3 25
$1.10
$-0.80
Q2 25
$1.11
$0.70
Q1 25
$1.08
$-0.93
Q4 24
$1.05
$-0.66
Q3 24
$1.15
$-0.95
Q2 24
$1.16
$-0.45
Q1 24
$1.01
$-0.98

Balance Sheet & Financial Strength

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

Metric
ACT
ACT
IONS
IONS
Cash + ST InvestmentsLiquidity on hand
$582.5M
$2.7B
Total DebtLower is stronger
$744.5M
$1.8B
Stockholders' EquityBook value
$5.4B
$489.1M
Total Assets
$6.9B
$3.5B
Debt / EquityLower = less leverage
0.14×
3.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACT
ACT
IONS
IONS
Q4 25
$582.5M
$2.7B
Q3 25
$545.6M
$2.2B
Q2 25
$616.0M
$2.3B
Q1 25
$639.0M
$2.1B
Q4 24
$602.8M
$2.3B
Q3 24
$674.9M
$2.5B
Q2 24
$711.3M
$2.1B
Q1 24
$624.3M
$2.2B
Total Debt
ACT
ACT
IONS
IONS
Q4 25
$744.5M
$1.8B
Q3 25
$744.1M
Q2 25
$743.8M
Q1 25
$743.4M
Q4 24
$743.0M
$1.3B
Q3 24
$742.7M
Q2 24
$742.4M
Q1 24
$746.1M
Stockholders' Equity
ACT
ACT
IONS
IONS
Q4 25
$5.4B
$489.1M
Q3 25
$5.3B
$618.0M
Q2 25
$5.2B
$631.7M
Q1 25
$5.1B
$475.7M
Q4 24
$5.0B
$588.4M
Q3 24
$5.0B
$662.5M
Q2 24
$4.8B
$263.7M
Q1 24
$4.7B
$296.5M
Total Assets
ACT
ACT
IONS
IONS
Q4 25
$6.9B
$3.5B
Q3 25
$6.9B
$3.0B
Q2 25
$6.8B
$3.0B
Q1 25
$6.7B
$2.8B
Q4 24
$6.5B
$3.0B
Q3 24
$6.6B
$3.1B
Q2 24
$6.3B
$2.7B
Q1 24
$6.3B
$2.8B
Debt / Equity
ACT
ACT
IONS
IONS
Q4 25
0.14×
3.71×
Q3 25
0.14×
Q2 25
0.14×
Q1 25
0.15×
Q4 24
0.15×
2.13×
Q3 24
0.15×
Q2 24
0.15×
Q1 24
0.16×

Cash Flow & Capital Efficiency

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

Metric
ACT
ACT
IONS
IONS
Operating Cash FlowLast quarter
$724.5M
$-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
ACT
ACT
IONS
IONS
Q4 25
$724.5M
$-137.7M
Q3 25
$192.0M
$-131.4M
Q2 25
$119.5M
$151.3M
Q1 25
$226.7M
$-150.8M
Q4 24
$686.3M
$-116.1M
Q3 24
$188.1M
$-115.0M
Q2 24
$144.7M
$-119.9M
Q1 24
$187.3M
$-149.9M
Free Cash Flow
ACT
ACT
IONS
IONS
Q4 25
$-159.0M
Q3 25
$-136.7M
Q2 25
$139.0M
Q1 25
$-163.4M
Q4 24
$-141.6M
Q3 24
$-124.0M
Q2 24
$-126.1M
Q1 24
$-154.4M
FCF Margin
ACT
ACT
IONS
IONS
Q4 25
-78.2%
Q3 25
-87.2%
Q2 25
30.8%
Q1 25
-124.1%
Q4 24
-62.5%
Q3 24
-92.7%
Q2 24
-56.0%
Q1 24
-129.2%
Capex Intensity
ACT
ACT
IONS
IONS
Q4 25
10.5%
Q3 25
3.4%
Q2 25
2.7%
Q1 25
9.6%
Q4 24
11.3%
Q3 24
6.8%
Q2 24
2.8%
Q1 24
3.8%
Cash Conversion
ACT
ACT
IONS
IONS
Q4 25
Q3 25
Q2 25
1.22×
Q1 25
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

ACT
ACT

Segment breakdown not available.

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%

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