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Side-by-side financial comparison of INSMED Inc (INSM) and Ultragenyx Pharmaceutical Inc. (RARE). Click either name above to swap in a different company.

INSMED Inc is the larger business by last-quarter revenue ($263.8M vs $207.3M, roughly 1.3× Ultragenyx Pharmaceutical Inc.). Ultragenyx Pharmaceutical Inc. runs the higher net margin — -62.0% vs -124.5%, a 62.5% gap on every dollar of revenue. On growth, INSMED Inc posted the faster year-over-year revenue change (152.6% vs 25.9%). Ultragenyx Pharmaceutical Inc. produced more free cash flow last quarter ($-100.8M vs $-264.2M). Over the past eight quarters, INSMED Inc's revenue compounded faster (86.9% CAGR vs 38.0%).

Insmed Inc. is a global biopharmaceutical firm focused on developing and commercializing innovative therapies for patients with serious rare diseases that have high unmet medical needs. Its key offerings target pulmonary and endocrine rare disorders, serving markets across North America, Europe, and Asia Pacific.

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

INSM vs RARE — Head-to-Head

Bigger by revenue
INSM
INSM
1.3× larger
INSM
$263.8M
$207.3M
RARE
Growing faster (revenue YoY)
INSM
INSM
+126.7% gap
INSM
152.6%
25.9%
RARE
Higher net margin
RARE
RARE
62.5% more per $
RARE
-62.0%
-124.5%
INSM
More free cash flow
RARE
RARE
$163.4M more FCF
RARE
$-100.8M
$-264.2M
INSM
Faster 2-yr revenue CAGR
INSM
INSM
Annualised
INSM
86.9%
38.0%
RARE

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
INSM
INSM
RARE
RARE
Revenue
$263.8M
$207.3M
Net Profit
$-328.5M
$-128.6M
Gross Margin
83.2%
Operating Margin
-121.2%
-54.7%
Net Margin
-124.5%
-62.0%
Revenue YoY
152.6%
25.9%
Net Profit YoY
-39.5%
3.5%
EPS (diluted)
$-1.55
$-1.28

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
INSM
INSM
RARE
RARE
Q4 25
$263.8M
$207.3M
Q3 25
$142.3M
$159.9M
Q2 25
$107.4M
$166.5M
Q1 25
$92.8M
$139.3M
Q4 24
$104.4M
$164.6M
Q3 24
$93.4M
$139.5M
Q2 24
$90.3M
$147.0M
Q1 24
$75.5M
$108.8M
Net Profit
INSM
INSM
RARE
RARE
Q4 25
$-328.5M
$-128.6M
Q3 25
$-370.0M
$-180.4M
Q2 25
$-321.7M
$-115.0M
Q1 25
$-256.6M
$-151.1M
Q4 24
$-235.5M
$-133.2M
Q3 24
$-220.5M
$-133.5M
Q2 24
$-300.6M
$-131.6M
Q1 24
$-157.1M
$-170.7M
Gross Margin
INSM
INSM
RARE
RARE
Q4 25
83.2%
Q3 25
79.4%
Q2 25
73.9%
Q1 25
77.1%
Q4 24
75.0%
Q3 24
77.3%
Q2 24
76.8%
Q1 24
76.9%
Operating Margin
INSM
INSM
RARE
RARE
Q4 25
-121.2%
-54.7%
Q3 25
-257.1%
-106.9%
Q2 25
-291.3%
-64.8%
Q1 25
-267.3%
-102.6%
Q4 24
-220.6%
-74.3%
Q3 24
-228.4%
-94.6%
Q2 24
-319.8%
-79.1%
Q1 24
-192.7%
-151.9%
Net Margin
INSM
INSM
RARE
RARE
Q4 25
-124.5%
-62.0%
Q3 25
-260.0%
-112.8%
Q2 25
-299.5%
-69.0%
Q1 25
-276.4%
-108.5%
Q4 24
-225.5%
-80.9%
Q3 24
-236.0%
-95.7%
Q2 24
-332.8%
-89.5%
Q1 24
-208.1%
-156.8%
EPS (diluted)
INSM
INSM
RARE
RARE
Q4 25
$-1.55
$-1.28
Q3 25
$-1.75
$-1.81
Q2 25
$-1.70
$-1.17
Q1 25
$-1.42
$-1.57
Q4 24
$-1.30
$-1.34
Q3 24
$-1.27
$-1.40
Q2 24
$-1.94
$-1.52
Q1 24
$-1.06
$-2.03

Balance Sheet & Financial Strength

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

Metric
INSM
INSM
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$1.4B
$421.0M
Total DebtLower is stronger
$546.8M
Stockholders' EquityBook value
$739.0M
$-80.0M
Total Assets
$2.3B
$1.5B
Debt / EquityLower = less leverage
0.74×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INSM
INSM
RARE
RARE
Q4 25
$1.4B
$421.0M
Q3 25
$1.7B
$202.5M
Q2 25
$1.9B
$176.3M
Q1 25
$1.2B
$127.1M
Q4 24
$1.4B
$174.0M
Q3 24
$1.5B
$150.6M
Q2 24
$1.2B
$480.7M
Q1 24
$595.7M
$112.3M
Total Debt
INSM
INSM
RARE
RARE
Q4 25
$546.8M
Q3 25
$546.8M
Q2 25
$546.8M
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$971.8M
Q2 24
$1.2B
Q1 24
$1.2B
Stockholders' Equity
INSM
INSM
RARE
RARE
Q4 25
$739.0M
$-80.0M
Q3 25
$945.6M
$9.2M
Q2 25
$1.2B
$151.3M
Q1 25
$99.2M
$144.2M
Q4 24
$285.4M
$255.0M
Q3 24
$483.4M
$346.8M
Q2 24
$38.8M
$432.4M
Q1 24
$-464.8M
$140.3M
Total Assets
INSM
INSM
RARE
RARE
Q4 25
$2.3B
$1.5B
Q3 25
$2.4B
$1.2B
Q2 25
$2.5B
$1.3B
Q1 25
$1.8B
$1.3B
Q4 24
$2.0B
$1.5B
Q3 24
$2.1B
$1.5B
Q2 24
$1.8B
$1.6B
Q1 24
$1.2B
$1.3B
Debt / Equity
INSM
INSM
RARE
RARE
Q4 25
0.74×
Q3 25
0.58×
Q2 25
0.44×
Q1 25
11.31×
Q4 24
3.93×
Q3 24
2.01×
Q2 24
30.66×
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
INSM
INSM
RARE
RARE
Operating Cash FlowLast quarter
$-247.6M
$-99.8M
Free Cash FlowOCF − Capex
$-264.2M
$-100.8M
FCF MarginFCF / Revenue
-100.1%
-48.6%
Capex IntensityCapex / Revenue
6.3%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-967.6M
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INSM
INSM
RARE
RARE
Q4 25
$-247.6M
$-99.8M
Q3 25
$-219.8M
$-91.4M
Q2 25
$-205.6M
$-108.3M
Q1 25
$-262.1M
$-166.5M
Q4 24
$-196.0M
$-79.3M
Q3 24
$-180.9M
$-67.0M
Q2 24
$-123.0M
$-77.0M
Q1 24
$-184.0M
$-190.7M
Free Cash Flow
INSM
INSM
RARE
RARE
Q4 25
$-264.2M
$-100.8M
Q3 25
$-222.2M
$-92.7M
Q2 25
$-209.1M
$-110.7M
Q1 25
$-272.2M
$-167.8M
Q4 24
$-202.8M
$-79.5M
Q3 24
$-184.6M
$-68.6M
Q2 24
$-129.7M
$-79.0M
Q1 24
$-188.7M
$-193.9M
FCF Margin
INSM
INSM
RARE
RARE
Q4 25
-100.1%
-48.6%
Q3 25
-156.1%
-58.0%
Q2 25
-194.6%
-66.5%
Q1 25
-293.2%
-120.5%
Q4 24
-194.1%
-48.3%
Q3 24
-197.6%
-49.2%
Q2 24
-143.6%
-53.7%
Q1 24
-250.0%
-178.2%
Capex Intensity
INSM
INSM
RARE
RARE
Q4 25
6.3%
0.5%
Q3 25
1.7%
0.8%
Q2 25
3.2%
1.5%
Q1 25
10.8%
1.0%
Q4 24
6.5%
0.1%
Q3 24
3.9%
1.2%
Q2 24
7.5%
1.4%
Q1 24
6.2%
3.0%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

INSM
INSM

Segment breakdown not available.

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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