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Side-by-side financial comparison of Alkermes plc. (ALKS) and Royalty Pharma plc (RPRX). Click either name above to swap in a different company.

Royalty Pharma plc is the larger business by last-quarter revenue ($622.0M vs $384.5M, roughly 1.6× Alkermes plc.). Royalty Pharma plc runs the higher net margin — 34.4% vs 12.8%, a 21.6% gap on every dollar of revenue. On growth, Royalty Pharma plc posted the faster year-over-year revenue change (4.8% vs -10.6%). Over the past eight quarters, Alkermes plc.'s revenue compounded faster (4.8% CAGR vs 4.6%).

Alkermes plc is a fully-integrated biopharmaceutical company that focuses on developing medicines for psychiatric and neurological disorders. The company was founded in 1987 by Michael Wall. In September 2011 Alkermes, Inc. merged with Elan Drug Technologies (EDT), the former drug formulation and manufacturing division of Élan Corporation, plc. The company is headquartered in Dublin, and has an R&D center in Waltham, Massachusetts, and a manufacturing facility in Wilmington, Ohio.

Acceleron Pharma, Inc. is an American clinical stage biopharmaceutical company based in Cambridge, Massachusetts with a broad focus on developing medicines that regulate the transforming growth factor beta (TGF-β) superfamily of proteins, which play fundamental roles in the growth and repair of cells and tissues such as red blood cells, muscle, bone, and blood vessels.

ALKS vs RPRX — Head-to-Head

Bigger by revenue
RPRX
RPRX
1.6× larger
RPRX
$622.0M
$384.5M
ALKS
Growing faster (revenue YoY)
RPRX
RPRX
+15.3% gap
RPRX
4.8%
-10.6%
ALKS
Higher net margin
RPRX
RPRX
21.6% more per $
RPRX
34.4%
12.8%
ALKS
Faster 2-yr revenue CAGR
ALKS
ALKS
Annualised
ALKS
4.8%
4.6%
RPRX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALKS
ALKS
RPRX
RPRX
Revenue
$384.5M
$622.0M
Net Profit
$49.3M
$214.2M
Gross Margin
88.0%
Operating Margin
15.1%
62.4%
Net Margin
12.8%
34.4%
Revenue YoY
-10.6%
4.8%
Net Profit YoY
-66.3%
2.9%
EPS (diluted)
$0.29
$0.49

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
ALKS
ALKS
RPRX
RPRX
Q4 25
$384.5M
$622.0M
Q3 25
$394.2M
$609.3M
Q2 25
$390.7M
$578.7M
Q1 25
$306.5M
$568.2M
Q4 24
$430.0M
$593.6M
Q3 24
$378.1M
$564.7M
Q2 24
$399.1M
$537.3M
Q1 24
$350.4M
$568.0M
Net Profit
ALKS
ALKS
RPRX
RPRX
Q4 25
$49.3M
$214.2M
Q3 25
$82.8M
$288.2M
Q2 25
$87.1M
$30.2M
Q1 25
$22.5M
$238.3M
Q4 24
$146.5M
$208.2M
Q3 24
$92.4M
$544.0M
Q2 24
$91.4M
$102.0M
Q1 24
$36.8M
$4.8M
Gross Margin
ALKS
ALKS
RPRX
RPRX
Q4 25
88.0%
Q3 25
86.9%
Q2 25
87.3%
Q1 25
83.9%
Q4 24
85.6%
Q3 24
83.3%
Q2 24
84.6%
Q1 24
83.3%
Operating Margin
ALKS
ALKS
RPRX
RPRX
Q4 25
15.1%
62.4%
Q3 25
22.6%
70.1%
Q2 25
23.8%
36.3%
Q1 25
4.5%
94.0%
Q4 24
37.8%
60.9%
Q3 24
27.7%
Q2 24
27.5%
50.2%
Q1 24
12.4%
-13.0%
Net Margin
ALKS
ALKS
RPRX
RPRX
Q4 25
12.8%
34.4%
Q3 25
21.0%
47.3%
Q2 25
22.3%
5.2%
Q1 25
7.3%
41.9%
Q4 24
34.1%
35.1%
Q3 24
24.4%
96.3%
Q2 24
22.9%
19.0%
Q1 24
10.5%
0.8%
EPS (diluted)
ALKS
ALKS
RPRX
RPRX
Q4 25
$0.29
$0.49
Q3 25
$0.49
$0.67
Q2 25
$0.52
$0.07
Q1 25
$0.13
$0.55
Q4 24
$0.88
$0.46
Q3 24
$0.55
$1.21
Q2 24
$0.53
$0.23
Q1 24
$0.21
$0.01

Balance Sheet & Financial Strength

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

Metric
ALKS
ALKS
RPRX
RPRX
Cash + ST InvestmentsLiquidity on hand
$388.6M
$618.7M
Total DebtLower is stronger
$9.0B
Stockholders' EquityBook value
$1.8B
$9.7B
Total Assets
$2.5B
$19.6B
Debt / EquityLower = less leverage
0.92×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALKS
ALKS
RPRX
RPRX
Q4 25
$388.6M
$618.7M
Q3 25
$616.4M
$938.9M
Q2 25
$521.2M
$631.9M
Q1 25
$399.8M
$1.1B
Q4 24
$291.1M
$929.0M
Q3 24
$396.3M
$950.1M
Q2 24
$535.1M
$1.8B
Q1 24
$420.8M
$843.0M
Total Debt
ALKS
ALKS
RPRX
RPRX
Q4 25
$9.0B
Q3 25
$8.9B
Q2 25
$8.0B
Q1 25
$7.6B
Q4 24
$7.6B
Q3 24
$7.6B
Q2 24
$7.6B
Q1 24
$6.1B
Stockholders' Equity
ALKS
ALKS
RPRX
RPRX
Q4 25
$1.8B
$9.7B
Q3 25
$1.7B
$9.6B
Q2 25
$1.6B
$9.5B
Q1 25
$1.5B
$9.8B
Q4 24
$1.5B
$10.3B
Q3 24
$1.3B
$10.3B
Q2 24
$1.3B
$9.8B
Q1 24
$1.3B
$9.9B
Total Assets
ALKS
ALKS
RPRX
RPRX
Q4 25
$2.5B
$19.6B
Q3 25
$2.3B
$19.3B
Q2 25
$2.3B
$18.3B
Q1 25
$2.1B
$17.6B
Q4 24
$2.1B
$18.2B
Q3 24
$2.2B
$18.0B
Q2 24
$2.2B
$17.7B
Q1 24
$2.1B
$16.1B
Debt / Equity
ALKS
ALKS
RPRX
RPRX
Q4 25
0.92×
Q3 25
0.93×
Q2 25
0.84×
Q1 25
0.78×
Q4 24
0.74×
Q3 24
0.74×
Q2 24
0.78×
Q1 24
0.62×

Cash Flow & Capital Efficiency

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

Metric
ALKS
ALKS
RPRX
RPRX
Operating Cash FlowLast quarter
$170.1M
$827.1M
Free Cash FlowOCF − Capex
$170.0M
FCF MarginFCF / Revenue
44.2%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
3.45×
3.86×
TTM Free Cash FlowTrailing 4 quarters
$480.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALKS
ALKS
RPRX
RPRX
Q4 25
$170.1M
$827.1M
Q3 25
$101.7M
$702.6M
Q2 25
$150.2M
$364.0M
Q1 25
$98.8M
$596.1M
Q4 24
$190.4M
$742.5M
Q3 24
$81.6M
$703.6M
Q2 24
$146.0M
$658.2M
Q1 24
$21.1M
$664.6M
Free Cash Flow
ALKS
ALKS
RPRX
RPRX
Q4 25
$170.0M
Q3 25
$84.4M
Q2 25
$137.2M
Q1 25
$88.7M
Q4 24
$180.6M
Q3 24
$73.3M
Q2 24
$138.9M
Q1 24
$12.8M
FCF Margin
ALKS
ALKS
RPRX
RPRX
Q4 25
44.2%
Q3 25
21.4%
Q2 25
35.1%
Q1 25
28.9%
Q4 24
42.0%
Q3 24
19.4%
Q2 24
34.8%
Q1 24
3.6%
Capex Intensity
ALKS
ALKS
RPRX
RPRX
Q4 25
0.0%
Q3 25
4.4%
Q2 25
3.3%
Q1 25
3.3%
Q4 24
2.3%
Q3 24
2.2%
Q2 24
1.8%
Q1 24
2.4%
Cash Conversion
ALKS
ALKS
RPRX
RPRX
Q4 25
3.45×
3.86×
Q3 25
1.23×
2.44×
Q2 25
1.72×
12.06×
Q1 25
4.40×
2.50×
Q4 24
1.30×
3.57×
Q3 24
0.88×
1.29×
Q2 24
1.60×
6.45×
Q1 24
0.57×
139.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALKS
ALKS

Vivitrol$124.1M32%
Aristada And Aristada Initio$97.2M25%
LYBALVI$94.1M24%
Royalty$65.7M17%
Manufacturing Revenue$3.3M1%

RPRX
RPRX

Financial Royalty Assets$592.4M95%
Royalty Income Other$29.6M5%

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