Fastenal (FAST) Stock Forecast & Price Target

Fastenal is viewed positively because its Onsite model, vending network, and FMI solutions deepen customer integration, create switching costs, and support its evolution into a full supply-chain outsourcing partner for a highly fragmented ~$140B TAM. The company’s execution has translated into durable share gains, with roughly +560bp average market-share outperformance since April 2016 and reaccelerating gains to about +600bp in 2025 and CY26 to date, alongside June ADS growth of +15.0% y/y and active national account growth of nearly +9% in CY25. Financially, 2Q gross margin held at 44.6% despite fuel and pricing pressure, SG&A improved to 23.5% of sales, and the business continues to show operating leverage from volume growth, disciplined headcount, and a culture that consistently converts innovation into contract wins.

Fastenal is facing a weaker-than-expected operating backdrop, with September ADS growth of +14.4% y/y missing the +17.3% forecast and typical seasonality, even as it still gained more than 400bp of market share versus the +9.8% growth rate in survey work. Gross margin pressure remains a key concern, as 44.8% declined 50bp y/y on price/cost headwinds, unfavorable customer mix, and fuel costs, while the expected 2Q26 gross margin of 44.4% and EBIT margin of 21.0% suggest limited near-term leverage. Although operating margin improved to 21.5% and SG&A leverage helped, rising fuel costs, modest labor growth, and the concentration shift toward lower-margin national accounts could keep earnings quality and margin expansion under pressure.