Fastenal Co. (FAST) demonstrated strong financial performance in the third quarter of 2026, driven by a 15.5% increase in net sales to $2.5 billion alongside an acceleration in daily sales growth to 15.5% from 14.7% in the previous quarter, notes Ingrid Hendershot, editor of Hendershot Investments.

Operating income expanded 20.2% to $530.8 million, representing the largest single-quarter, year-over-year dollar gain in company history. Operating margins expanded by 90 basis points to reach 21.5%.

Fastenal Co. (FAST)

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This momentum generated a 19.7% increase ($401.6 million) in net income, delivering diluted net income per share of $0.35, up 19.8% from the previous third quarter. Market share gains with larger accounts drove commercial growth, as contract sales reached 76.5% of total sales (+18.8% daily growth). Sites spending over $50,000/month surged nearly 19% to 3,288.

Digital sales reached 61.4% of total revenue (+16% daily growth), while FMI daily sales rose 14.6% to represent 44.8% of revenue. By market, heavy manufacturing (+20.2% daily growth) and non-residential construction (+12.0%) led performance, while data center expansion contributed four-to-five percentage points to overall sales growth.

Year to date, free cash flow increased 17% to $868.7 million, supporting $929.9 million returned to shareholders through $849.1 million in dividends and $80.8 million in share repurchases. Looking ahead, Fastenal reiterated its full-year 2026 targets while aiming to outperform overall industrial market growth by 10 percentage points through continued share gains.

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