vs

Side-by-side financial comparison of Alkermes plc. (ALKS) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

Alkermes plc. is the larger business by last-quarter revenue ($384.5M vs $276.5M, roughly 1.4× SL GREEN REALTY CORP). Alkermes plc. runs the higher net margin — 12.8% vs -36.5%, a 49.3% gap on every dollar of revenue. On growth, SL GREEN REALTY CORP posted the faster year-over-year revenue change (12.4% vs -10.6%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% 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.

SL Green Realty Corp. is a real estate investment trust that primarily invests in office buildings and shopping centers in New York City. As of December 31, 2024, the company owned interests in 39 properties comprising 25,297,353 square feet, primarily in Manhattan. It has been referred to as "New York City’s largest office landlord".

ALKS vs SLG — Head-to-Head

Bigger by revenue
ALKS
ALKS
1.4× larger
ALKS
$384.5M
$276.5M
SLG
Growing faster (revenue YoY)
SLG
SLG
+23.0% gap
SLG
12.4%
-10.6%
ALKS
Higher net margin
ALKS
ALKS
49.3% more per $
ALKS
12.8%
-36.5%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
4.8%
ALKS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALKS
ALKS
SLG
SLG
Revenue
$384.5M
$276.5M
Net Profit
$49.3M
$-100.8M
Gross Margin
88.0%
Operating Margin
15.1%
64.2%
Net Margin
12.8%
-36.5%
Revenue YoY
-10.6%
12.4%
Net Profit YoY
-66.3%
-870.0%
EPS (diluted)
$0.29
$-1.49

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
SLG
SLG
Q4 25
$384.5M
$276.5M
Q3 25
$394.2M
$244.8M
Q2 25
$390.7M
$241.9M
Q1 25
$306.5M
$239.8M
Q4 24
$430.0M
$245.9M
Q3 24
$378.1M
$229.7M
Q2 24
$399.1M
$222.8M
Q1 24
$350.4M
$187.9M
Net Profit
ALKS
ALKS
SLG
SLG
Q4 25
$49.3M
$-100.8M
Q3 25
$82.8M
$28.6M
Q2 25
$87.1M
$-7.4M
Q1 25
$22.5M
$-17.3M
Q4 24
$146.5M
$19.1M
Q3 24
$92.4M
$-9.5M
Q2 24
$91.4M
$1.6M
Q1 24
$36.8M
$16.9M
Gross Margin
ALKS
ALKS
SLG
SLG
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
SLG
SLG
Q4 25
15.1%
64.2%
Q3 25
22.6%
85.5%
Q2 25
23.8%
53.4%
Q1 25
4.5%
56.7%
Q4 24
37.8%
59.8%
Q3 24
27.7%
65.1%
Q2 24
27.5%
79.2%
Q1 24
12.4%
Net Margin
ALKS
ALKS
SLG
SLG
Q4 25
12.8%
-36.5%
Q3 25
21.0%
11.7%
Q2 25
22.3%
-3.0%
Q1 25
7.3%
-7.2%
Q4 24
34.1%
7.8%
Q3 24
24.4%
-4.2%
Q2 24
22.9%
0.7%
Q1 24
10.5%
9.0%
EPS (diluted)
ALKS
ALKS
SLG
SLG
Q4 25
$0.29
$-1.49
Q3 25
$0.49
$0.34
Q2 25
$0.52
$-0.16
Q1 25
$0.13
$-0.30
Q4 24
$0.88
$0.13
Q3 24
$0.55
$-0.21
Q2 24
$0.53
$-0.04
Q1 24
$0.21
$0.20

Balance Sheet & Financial Strength

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

Metric
ALKS
ALKS
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$388.6M
$155.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.8B
$3.7B
Total Assets
$2.5B
$11.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALKS
ALKS
SLG
SLG
Q4 25
$388.6M
$155.7M
Q3 25
$616.4M
$187.0M
Q2 25
$521.2M
$182.9M
Q1 25
$399.8M
$180.1M
Q4 24
$291.1M
$184.3M
Q3 24
$396.3M
$188.2M
Q2 24
$535.1M
$199.5M
Q1 24
$420.8M
$196.0M
Stockholders' Equity
ALKS
ALKS
SLG
SLG
Q4 25
$1.8B
$3.7B
Q3 25
$1.7B
$3.8B
Q2 25
$1.6B
$3.8B
Q1 25
$1.5B
$3.8B
Q4 24
$1.5B
$4.0B
Q3 24
$1.3B
$3.6B
Q2 24
$1.3B
$3.7B
Q1 24
$1.3B
$3.7B
Total Assets
ALKS
ALKS
SLG
SLG
Q4 25
$2.5B
$11.1B
Q3 25
$2.3B
$11.1B
Q2 25
$2.3B
$11.3B
Q1 25
$2.1B
$11.4B
Q4 24
$2.1B
$10.5B
Q3 24
$2.2B
$10.2B
Q2 24
$2.2B
$9.5B
Q1 24
$2.1B
$9.8B

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
SLG
SLG
Operating Cash FlowLast quarter
$170.1M
$82.9M
Free Cash FlowOCF − Capex
$170.0M
FCF MarginFCF / Revenue
44.2%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
3.45×
TTM Free Cash FlowTrailing 4 quarters
$480.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALKS
ALKS
SLG
SLG
Q4 25
$170.1M
$82.9M
Q3 25
$101.7M
$-6.8M
Q2 25
$150.2M
$54.5M
Q1 25
$98.8M
$6.7M
Q4 24
$190.4M
$129.6M
Q3 24
$81.6M
$16.7M
Q2 24
$146.0M
$79.4M
Q1 24
$21.1M
$-24.7M
Free Cash Flow
ALKS
ALKS
SLG
SLG
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
SLG
SLG
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
SLG
SLG
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
SLG
SLG
Q4 25
3.45×
Q3 25
1.23×
-0.24×
Q2 25
1.72×
Q1 25
4.40×
Q4 24
1.30×
6.77×
Q3 24
0.88×
Q2 24
1.60×
50.33×
Q1 24
0.57×
-1.46×

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%

SLG
SLG

Real Estate Segment$223.1M81%
Other$35.9M13%
Debt And Preferred Equity Segment$17.4M6%

Related Comparisons