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

IONIS PHARMACEUTICALS INC is the larger business by last-quarter revenue ($203.3M vs $120.9M, roughly 1.7× Sprout Social, Inc.). On growth, Sprout Social, Inc. posted the faster year-over-year revenue change (12.9% vs -10.3%). Sprout Social, Inc. produced more free cash flow last quarter ($9.9M vs $-159.0M). Over the past eight quarters, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% CAGR vs 11.8%).

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.

Sprout Social, Inc. is a technology company that runs a social media management platform. A public company headquartered in Chicago, it was founded in 2010 by Justyn Howard, Aaron Rankin, Gil Lara, and Peter Soung.

IONS vs SPT — Head-to-Head

Bigger by revenue
IONS
IONS
1.7× larger
IONS
$203.3M
$120.9M
SPT
Growing faster (revenue YoY)
SPT
SPT
+23.1% gap
SPT
12.9%
-10.3%
IONS
More free cash flow
SPT
SPT
$168.9M more FCF
SPT
$9.9M
$-159.0M
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
11.8%
SPT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IONS
IONS
SPT
SPT
Revenue
$203.3M
$120.9M
Net Profit
$-229.4M
Gross Margin
96.1%
77.6%
Operating Margin
-105.5%
-9.0%
Net Margin
-112.8%
Revenue YoY
-10.3%
12.9%
Net Profit YoY
-119.8%
EPS (diluted)
$-1.35
$-0.18

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
SPT
SPT
Q4 25
$203.3M
$120.9M
Q3 25
$156.7M
$115.6M
Q2 25
$452.0M
$111.8M
Q1 25
$131.6M
$109.3M
Q4 24
$226.6M
$107.1M
Q3 24
$133.8M
$102.6M
Q2 24
$225.3M
$99.4M
Q1 24
$119.5M
$96.8M
Net Profit
IONS
IONS
SPT
SPT
Q4 25
$-229.4M
Q3 25
$-128.6M
$-9.4M
Q2 25
$123.6M
$-12.0M
Q1 25
$-146.9M
$-11.2M
Q4 24
$-104.3M
Q3 24
$-140.5M
$-17.1M
Q2 24
$-66.3M
$-16.9M
Q1 24
$-142.8M
$-13.6M
Gross Margin
IONS
IONS
SPT
SPT
Q4 25
96.1%
77.6%
Q3 25
98.5%
77.7%
Q2 25
99.1%
77.7%
Q1 25
98.9%
77.3%
Q4 24
98.3%
78.1%
Q3 24
99.2%
77.4%
Q2 24
98.2%
77.5%
Q1 24
98.2%
76.8%
Operating Margin
IONS
IONS
SPT
SPT
Q4 25
-105.5%
-9.0%
Q3 25
-102.2%
-7.9%
Q2 25
30.9%
-11.0%
Q1 25
-111.6%
-10.2%
Q4 24
-48.9%
-12.8%
Q3 24
-111.1%
-16.4%
Q2 24
-29.3%
-16.6%
Q1 24
-125.1%
-13.7%
Net Margin
IONS
IONS
SPT
SPT
Q4 25
-112.8%
Q3 25
-82.1%
-8.1%
Q2 25
27.3%
-10.7%
Q1 25
-111.6%
-10.3%
Q4 24
-46.1%
Q3 24
-105.0%
-16.6%
Q2 24
-29.4%
-17.0%
Q1 24
-119.5%
-14.0%
EPS (diluted)
IONS
IONS
SPT
SPT
Q4 25
$-1.35
$-0.18
Q3 25
$-0.80
$-0.16
Q2 25
$0.70
$-0.21
Q1 25
$-0.93
$-0.19
Q4 24
$-0.66
$-0.25
Q3 24
$-0.95
$-0.30
Q2 24
$-0.45
$-0.30
Q1 24
$-0.98
$-0.24

Balance Sheet & Financial Strength

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

Metric
IONS
IONS
SPT
SPT
Cash + ST InvestmentsLiquidity on hand
$2.7B
$95.3M
Total DebtLower is stronger
$1.8B
$40.0M
Stockholders' EquityBook value
$489.1M
$203.4M
Total Assets
$3.5B
$523.1M
Debt / EquityLower = less leverage
3.71×
0.20×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONS
IONS
SPT
SPT
Q4 25
$2.7B
$95.3M
Q3 25
$2.2B
$90.6M
Q2 25
$2.3B
$101.5M
Q1 25
$2.1B
$100.9M
Q4 24
$2.3B
$86.4M
Q3 24
$2.5B
$82.9M
Q2 24
$2.1B
$80.9M
Q1 24
$2.2B
$69.2M
Total Debt
IONS
IONS
SPT
SPT
Q4 25
$1.8B
$40.0M
Q3 25
Q2 25
Q1 25
Q4 24
$1.3B
$25.0M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
IONS
IONS
SPT
SPT
Q4 25
$489.1M
$203.4M
Q3 25
$618.0M
$194.1M
Q2 25
$631.7M
$184.6M
Q1 25
$475.7M
$175.3M
Q4 24
$588.4M
$166.6M
Q3 24
$662.5M
$158.1M
Q2 24
$263.7M
$152.1M
Q1 24
$296.5M
$147.3M
Total Assets
IONS
IONS
SPT
SPT
Q4 25
$3.5B
$523.1M
Q3 25
$3.0B
$481.4M
Q2 25
$3.0B
$422.9M
Q1 25
$2.8B
$424.7M
Q4 24
$3.0B
$428.3M
Q3 24
$3.1B
$388.8M
Q2 24
$2.7B
$393.6M
Q1 24
$2.8B
$389.9M
Debt / Equity
IONS
IONS
SPT
SPT
Q4 25
3.71×
0.20×
Q3 25
Q2 25
Q1 25
Q4 24
2.13×
0.15×
Q3 24
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
SPT
SPT
Operating Cash FlowLast quarter
$-137.7M
$10.9M
Free Cash FlowOCF − Capex
$-159.0M
$9.9M
FCF MarginFCF / Revenue
-78.2%
8.2%
Capex IntensityCapex / Revenue
10.5%
0.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-320.0M
$39.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONS
IONS
SPT
SPT
Q4 25
$-137.7M
$10.9M
Q3 25
$-131.4M
$9.3M
Q2 25
$151.3M
$5.1M
Q1 25
$-150.8M
$18.1M
Q4 24
$-116.1M
$4.1M
Q3 24
$-115.0M
$9.0M
Q2 24
$-119.9M
$2.1M
Q1 24
$-149.9M
$11.2M
Free Cash Flow
IONS
IONS
SPT
SPT
Q4 25
$-159.0M
$9.9M
Q3 25
$-136.7M
$8.5M
Q2 25
$139.0M
$4.2M
Q1 25
$-163.4M
$16.7M
Q4 24
$-141.6M
$3.3M
Q3 24
$-124.0M
$8.5M
Q2 24
$-126.1M
$1.6M
Q1 24
$-154.4M
$10.1M
FCF Margin
IONS
IONS
SPT
SPT
Q4 25
-78.2%
8.2%
Q3 25
-87.2%
7.4%
Q2 25
30.8%
3.7%
Q1 25
-124.1%
15.3%
Q4 24
-62.5%
3.0%
Q3 24
-92.7%
8.3%
Q2 24
-56.0%
1.6%
Q1 24
-129.2%
10.4%
Capex Intensity
IONS
IONS
SPT
SPT
Q4 25
10.5%
0.9%
Q3 25
3.4%
0.7%
Q2 25
2.7%
0.8%
Q1 25
9.6%
1.2%
Q4 24
11.3%
0.8%
Q3 24
6.8%
0.5%
Q2 24
2.8%
0.5%
Q1 24
3.8%
1.1%
Cash Conversion
IONS
IONS
SPT
SPT
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

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%

SPT
SPT

Segment breakdown not available.

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