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

GEO GROUP INC is the larger business by last-quarter revenue ($708.4M vs $384.5M, roughly 1.8× Alkermes plc.). Alkermes plc. runs the higher net margin — 12.8% vs 4.5%, a 8.3% gap on every dollar of revenue. On growth, GEO GROUP INC posted the faster year-over-year revenue change (16.6% vs -10.6%). Alkermes plc. produced more free cash flow last quarter ($170.0M vs $-153.6M). Over the past eight quarters, GEO GROUP INC's revenue compounded faster (8.1% CAGR vs 4.8%).

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.

The GEO Group, Inc. (GEO) is a publicly traded C corporation headquartered in Boca Raton, Florida, that invests in private prisons and mental health facilities in the United States, Australia, South Africa, and the United Kingdom. The company's facilities include immigration detention centers, minimum security detention centers, and mental-health and residential-treatment facilities. GEO also operates government-owned facilities pursuant to management contracts. As of September 30, 2024, the ...

ALKS vs GEO — Head-to-Head

Bigger by revenue
GEO
GEO
1.8× larger
GEO
$708.4M
$384.5M
ALKS
Growing faster (revenue YoY)
GEO
GEO
+27.1% gap
GEO
16.6%
-10.6%
ALKS
Higher net margin
ALKS
ALKS
8.3% more per $
ALKS
12.8%
4.5%
GEO
More free cash flow
ALKS
ALKS
$323.6M more FCF
ALKS
$170.0M
$-153.6M
GEO
Faster 2-yr revenue CAGR
GEO
GEO
Annualised
GEO
8.1%
4.8%
ALKS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALKS
ALKS
GEO
GEO
Revenue
$384.5M
$708.4M
Net Profit
$49.3M
$31.8M
Gross Margin
88.0%
Operating Margin
15.1%
11.8%
Net Margin
12.8%
4.5%
Revenue YoY
-10.6%
16.6%
Net Profit YoY
-66.3%
105.1%
EPS (diluted)
$0.29
$0.16

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
GEO
GEO
Q4 25
$384.5M
$708.4M
Q3 25
$394.2M
$682.3M
Q2 25
$390.7M
$636.2M
Q1 25
$306.5M
$604.6M
Q4 24
$430.0M
$607.7M
Q3 24
$378.1M
$603.1M
Q2 24
$399.1M
$607.2M
Q1 24
$350.4M
$605.7M
Net Profit
ALKS
ALKS
GEO
GEO
Q4 25
$49.3M
$31.8M
Q3 25
$82.8M
$173.9M
Q2 25
$87.1M
$29.1M
Q1 25
$22.5M
$19.6M
Q4 24
$146.5M
$15.5M
Q3 24
$92.4M
$26.3M
Q2 24
$91.4M
$-32.5M
Q1 24
$36.8M
$22.7M
Gross Margin
ALKS
ALKS
GEO
GEO
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
GEO
GEO
Q4 25
15.1%
11.8%
Q3 25
22.6%
6.0%
Q2 25
23.8%
11.3%
Q1 25
4.5%
10.1%
Q4 24
37.8%
11.2%
Q3 24
27.7%
13.7%
Q2 24
27.5%
13.2%
Q1 24
12.4%
13.1%
Net Margin
ALKS
ALKS
GEO
GEO
Q4 25
12.8%
4.5%
Q3 25
21.0%
25.5%
Q2 25
22.3%
4.6%
Q1 25
7.3%
3.2%
Q4 24
34.1%
2.5%
Q3 24
24.4%
4.4%
Q2 24
22.9%
-5.4%
Q1 24
10.5%
3.7%
EPS (diluted)
ALKS
ALKS
GEO
GEO
Q4 25
$0.29
$0.16
Q3 25
$0.49
$1.24
Q2 25
$0.52
$0.21
Q1 25
$0.13
$0.21
Q4 24
$0.88
$0.14
Q3 24
$0.55
$0.19
Q2 24
$0.53
$-0.25
Q1 24
$0.21
$0.14

Balance Sheet & Financial Strength

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

Metric
ALKS
ALKS
GEO
GEO
Cash + ST InvestmentsLiquidity on hand
$388.6M
$69.0M
Total DebtLower is stronger
$1.7B
Stockholders' EquityBook value
$1.8B
$1.5B
Total Assets
$2.5B
$3.8B
Debt / EquityLower = less leverage
1.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALKS
ALKS
GEO
GEO
Q4 25
$388.6M
$69.0M
Q3 25
$616.4M
$183.9M
Q2 25
$521.2M
$67.9M
Q1 25
$399.8M
$64.8M
Q4 24
$291.1M
$76.9M
Q3 24
$396.3M
$70.6M
Q2 24
$535.1M
$46.3M
Q1 24
$420.8M
$126.5M
Total Debt
ALKS
ALKS
GEO
GEO
Q4 25
$1.7B
Q3 25
Q2 25
Q1 25
Q4 24
$1.7B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ALKS
ALKS
GEO
GEO
Q4 25
$1.8B
$1.5B
Q3 25
$1.7B
$1.5B
Q2 25
$1.6B
$1.4B
Q1 25
$1.5B
$1.3B
Q4 24
$1.5B
$1.3B
Q3 24
$1.3B
$1.3B
Q2 24
$1.3B
$1.3B
Q1 24
$1.3B
$1.3B
Total Assets
ALKS
ALKS
GEO
GEO
Q4 25
$2.5B
$3.8B
Q3 25
$2.3B
$3.8B
Q2 25
$2.3B
$3.7B
Q1 25
$2.1B
$3.6B
Q4 24
$2.1B
$3.6B
Q3 24
$2.2B
$3.6B
Q2 24
$2.2B
$3.6B
Q1 24
$2.1B
$3.7B
Debt / Equity
ALKS
ALKS
GEO
GEO
Q4 25
1.11×
Q3 25
Q2 25
Q1 25
Q4 24
1.31×
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
ALKS
ALKS
GEO
GEO
Operating Cash FlowLast quarter
$170.1M
$-117.3M
Free Cash FlowOCF − Capex
$170.0M
$-153.6M
FCF MarginFCF / Revenue
44.2%
-21.7%
Capex IntensityCapex / Revenue
0.0%
5.1%
Cash ConversionOCF / Net Profit
3.45×
-3.69×
TTM Free Cash FlowTrailing 4 quarters
$480.3M
$-124.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALKS
ALKS
GEO
GEO
Q4 25
$170.1M
$-117.3M
Q3 25
$101.7M
$79.6M
Q2 25
$150.2M
$39.2M
Q1 25
$98.8M
$71.2M
Q4 24
$190.4M
$18.5M
Q3 24
$81.6M
$109.3M
Q2 24
$146.0M
$31.2M
Q1 24
$21.1M
$83.3M
Free Cash Flow
ALKS
ALKS
GEO
GEO
Q4 25
$170.0M
$-153.6M
Q3 25
$84.4M
$-14.1M
Q2 25
$137.2M
$2.4M
Q1 25
$88.7M
$40.5M
Q4 24
$180.6M
$-2.3M
Q3 24
$73.3M
$90.5M
Q2 24
$138.9M
$6.8M
Q1 24
$12.8M
$68.5M
FCF Margin
ALKS
ALKS
GEO
GEO
Q4 25
44.2%
-21.7%
Q3 25
21.4%
-2.1%
Q2 25
35.1%
0.4%
Q1 25
28.9%
6.7%
Q4 24
42.0%
-0.4%
Q3 24
19.4%
15.0%
Q2 24
34.8%
1.1%
Q1 24
3.6%
11.3%
Capex Intensity
ALKS
ALKS
GEO
GEO
Q4 25
0.0%
5.1%
Q3 25
4.4%
13.7%
Q2 25
3.3%
5.8%
Q1 25
3.3%
5.1%
Q4 24
2.3%
3.4%
Q3 24
2.2%
3.1%
Q2 24
1.8%
4.0%
Q1 24
2.4%
2.4%
Cash Conversion
ALKS
ALKS
GEO
GEO
Q4 25
3.45×
-3.69×
Q3 25
1.23×
0.46×
Q2 25
1.72×
1.35×
Q1 25
4.40×
3.64×
Q4 24
1.30×
1.19×
Q3 24
0.88×
4.15×
Q2 24
1.60×
Q1 24
0.57×
3.67×

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%

GEO
GEO

Us Corrections And Detention$498.0M70%
Electronic Monitoring And Supervision Services$83.7M12%
Reentry Services$72.2M10%
AU$49.1M7%
ZA$5.4M1%

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