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Louisiana-Pacific vs Koppers Holdings: LPX and KOP compared
Louisiana-Pacific is the larger company: $691M of revenue in its latest quarter (Q3 2026) against $499M for Koppers Holdings (Q3 2026). Louisiana-Pacific is growing faster (+4% against +3% a year earlier). Koppers Holdings is more profitable, with an operating margin of 6.1% against 4.2%.
Where the money goes: LPX and KOP
Louisiana-Pacific (LPX) · Q3 2026
Louisiana-Pacific, Q3 2026: revenue $691M (+4% year over year), operating margin 4.2%, net earnings $23.0M, operating cash flow $112M. The chart follows the revenue to costs, profit and cash.
Koppers Holdings (KOP) · Q3 2026
Koppers Holdings, Q3 2026: revenue $499M (+3% year over year), operating margin 6.1%, net earnings $14.7M, operating cash flow $30.6M. The chart follows the revenue to costs, profit and cash.
| Louisiana-Pacific (LPX) | Koppers Holdings (KOP) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $691M | $499M |
| Revenue growth, Y/Y | +4% | +3% |
| Gross margin | 16.5% | — |
| Operating margin | 4.2% | 6.1% |
| Net earnings | $23.0M | $14.7M |
| Net margin | 3.3% | 2.9% |
| Operating cash flow | $112M | $30.6M |
| Free cash flow | $56.0M | $19.4M |
| Market value | $5.3B | $589M |
| P/E | 77.7× | — |
| Analysts’ mean target | $88.36 | $53.33 |
Where the revenue comes from
Louisiana-Pacific
- Siding: $473M (68%)
- OSB: $180M (26%)
- Other: $38.0M (5%)
Questions
Which is bigger, Louisiana-Pacific or Koppers Holdings?
Louisiana-Pacific is the larger company: $691M of revenue in its latest quarter (Q3 2026) against $499M for Koppers Holdings (Q3 2026).
Is Louisiana-Pacific or Koppers Holdings growing faster?
Louisiana-Pacific is growing faster (+4% against +3% a year earlier).
Which is more profitable, Louisiana-Pacific or Koppers Holdings?
Koppers Holdings is more profitable, with an operating margin of 6.1% against 4.2%.
More: Louisiana-Pacific earnings · how Louisiana-Pacific makes money · Koppers Holdings earnings · how Koppers Holdings makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 3, 2026; 10-Q filed Nov 6, 2026). Fiscal quarters can end on different dates. Not investment advice.