AAON (AAON) vs Simpson Manufacturing (SSD)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Simpson Manufacturing (SSD) has outperformed AAON (AAON) over the past year, gaining 0.6% versus a loss of 15.4%. Over five years, AAON leads with a +86.7% price change compared with +48.2% for SSD. AAON is the larger company by market cap ($7.18 billion vs $7.02 billion), about 1.0 times the size.
On valuation, Simpson Manufacturing trades at a lower forward P/E (17.6x vs 24.9x for AAON). Simpson Manufacturing offers the higher dividend yield (0.68% vs 0.46%). Simpson Manufacturing converts more of its revenue into profit, with a net margin of 14.8% versus 7.5%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AAON | SSD |
|---|---|---|
| Share price | $87.13 | $171.22 |
| Market cap | $7.18B | $7.02B |
| 1-day change | -1.07% | -2.17% |
| YTD return | +14.27% | +6.04% |
| 1-year return | -15.44% | +0.62% |
| 5-year return | +86.71% | +48.15% |
| P/E ratio (TTM) | 46.35 | 19.13 |
| Forward P/E | 24.91 | 17.63 |
| EPS (TTM) | $1.88 | $8.95 |
| Dividend yield | 0.46% | 0.68% |
| Annual dividend | $0.40 | $1.17 |
| Revenue (latest FY) | $1.44B | $2.33B |
| Revenue growth (YoY) | +20.11% | +4.51% |
| Net income (latest FY) | $107.59M | $345.08M |
| Gross margin | 26.75% | 45.85% |
| Operating margin | 10.14% | 19.64% |
| Net margin | 7.46% | 14.79% |
| 52-week high | $150.46 | $213.49 |
| 52-week low | $73.19 | $156.32 |
| Distance from 52-week high | -42.09% | -19.80% |
| Analyst consensus | strong_buy | none |
| Avg. price target upside | +54.65% | +27.91% |
| Average volume | 1.16M | 276.20K |
| Shares outstanding | 82.45M | 40.98M |
| Employees | 5,897 | 5,545 |
| Sector | Industrials | Basic Materials |
| Industry | Building Products & Equipment | Lumber & Wood Production |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- SSD has outperformed AAON by 16.1 percentage points over the past year.
- AAON trades at a higher earnings multiple (46.3x vs 19.1x trailing P/E).
- Simpson Manufacturing is more profitable, keeping 14.8 cents of every revenue dollar as net income versus 7.5 cents for AAON.
- AAON grew revenue faster in its latest fiscal year (+20.11% vs +4.51%).
- The two companies sit in different sectors: AAON in Industrials and Simpson Manufacturing in Basic Materials.
About AAON
AAON stock →AAON, Inc., together with its subsidiaries, engages in engineering, manufacturing, marketing, and selling air conditioning and heating equipment in the United States and Canada. The company operates through three segments: AAON Oklahoma, AAON Coil Products, and BASX.
Industrials · Building Products & Equipment · 5,897 employees
About Simpson Manufacturing
SSD stock →Simpson Manufacturing Co., Inc., together with its subsidiaries, designs, engineers, manufactures, and sells structural solutions for wood, concrete, and steel connections in the North America, Europe, and the Asia Pacific. The company provides structural products for wood construction, such as connectors, fasteners, and lateral-force resisting systems; anchor, repair, protection and strengthening products including coatings, sealers, mortars, fiberglass and fiber-reinforced polymer systems and asphalt products.
Basic Materials · Lumber & Wood Production · 5,545 employees
AAON vs SSD FAQ
Which is bigger, AAON or Simpson Manufacturing?
AAON (AAON) is larger, with a market capitalization of $7.18B compared with $7.02B for Simpson Manufacturing (SSD).
Which stock has performed better over the past year, AAON or SSD?
SSD returned +0.62% over the past 12 months, compared with -15.44% for AAON (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AAON or SSD?
SSD has the lower trailing P/E at 19.1, versus 46.3 for AAON. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, AAON or Simpson Manufacturing?
Simpson Manufacturing has the higher yield at 0.68%, compared with 0.46% for AAON.
Are AAON and Simpson Manufacturing in the same industry?
No. AAON is in the Industrials sector, while Simpson Manufacturing is in Basic Materials.