O-I Glass vs Silgan
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KIRA’s take AI analyst
I put O-I Glass and Silgan side by side, using each one’s latest annual report. Here is what stands out:
- Silgan is the larger business, with $6.5B of revenue in fiscal 2025 against $6.4B for O-I Glass.
- Silgan grew revenue faster (10.7%, against −1.6%).
- Silgan turned more of its sales into free cash flow (6.5% FCF margin, against 2.6%).
- Silgan earned a higher return on the capital invested in it (7.6%, against 4.2%).
Who comes out ahead
Of the 10 measures where higher (or lower) is clearly better, how many each company leads.
O-I Glass
OI
1/10
Share count change
Silgan
SLGN
9/10
Revenue growth5-year growthGross marginNet marginFCF marginReturn on capitalReturn on equityPiotroski F-scoreNet debt / EBITDA
Side by side
Best in the row
| Latest fiscal year | OI FY25 | SLGN FY25 |
|---|---|---|
| Size | ||
| Market cap | $987M | $4.1B |
| Revenue | $6.4B | $6.5B |
| Free cash flow | $168M | $423M |
| Net income | −$129M | $288M |
| Growth | ||
| Revenue growth | −1.6% | 10.7% |
| 5-year growth | 1.1% | 5.7% |
| Share count change | −0.7% | −0.3% |
| Profitability | ||
| Gross margin | 17.3% | 17.7% |
| Operating margin | — | — |
| Net margin | −2.0% | 4.5% |
| FCF margin | 2.6% | 6.5% |
| Return on capital | 4.2% | 7.6% |
| Return on equity | −10.9% | 13.5% |
| Balance sheet | ||
| Net debt | $4.2B | $3.3B |
| Net debt / EBITDA | 5.5x | 3.6x |
| Dividends and buybacks | $40.0M | $161M |
| Valuation & quality | ||
| P/E | — | 15.0x |
| Piotroski F-score | 6 | 7 |
Ten years
Revenue
Operating margin
Free cash flow
Return on capital
Each company's latest fiscal year; fiscal years end in different months. The best value in each row is highlighted where higher (or lower) is clearly better. Not investment advice.

