Is Axcelis Stock a Buy After Doubling This Year?
Key Points
Ion implantation is a critical step in wafer fabrication that every AI chip must undergo.
Axcelis Technologies is reporting meaningful sequential growth in its memory segment, which will eventually overshadow declining parts of the business.
The merger with Veeco introduces attractive synergies that should make it easier for the combined entity to gain market share.
- 10 stocks we like better than Axcelis Technologies ›
Axcelis Technologies (NASDAQ: ACLS) specializes in ion-implantation equipment used to fabricate semiconductors, including AI chips. Wafer fabrication is a mandatory step in creating AI chips, and ion implantation is a critical part of it.
This role has made Axcelis Technologies an important part of the AI boom, and the stock's price has more than doubled year to date. While recent financial results suggest caution on the surface, a closer look reveals the opportunity.
Missed Nvidia in 2009? This Rare Signal Is Flashing Again. In 2009, a "Double Down" signal flashed for a little-known chipmaker called Nvidia. For the first time in years, that same "Total Conviction" signal is flashing for a company 1/100th the size of Nvidia. Continue »
Image source: Getty Images.
Axcelis Technologies is cycling out of low growth while tapping into memory
Axcelis Technologies only delivered 3% year-over-year revenue growth in Q1, which isn't really fitting for a growth stock. However, the low growth rate is due to declining sales in what it calls the "Power and General Mature" markets.
Substantial sequential growth in the memory industry helped Axcelis Technologies deliver positive year-over-year revenue growth. Memory demand has propelled Axcelis Technologies' customer support and innovation (CS&I) segment, with CEO Russell Low citing "strong sequential growth" continuing from 2025.
Axcelis Technologies' ion implantation equipment is important for AI data centers. It has competitors like Applied Materials and Lam Research, but those companies' business models are more diversified. Axcelis Technologies is practically the only pure-play ion implantation stock.
Micron Technologies' recent earnings results demonstrated that the memory industry is still hot, and that tailwind should carry over into Axcelis Technologies' Q2 results. While revenue growth is expected to be flat throughout 2026, it can change quickly in 2027 as memory demand becomes a larger share of Axcelis Technologies' total revenue. Many investors are banking on that scenario based on the stock's recent price movements.
Axcelis Technologies and Veeco merging could lead to market share expansion
Axcelis Technologies is a pure-play ion implantation stock, but it will expand its services portfolio through the upcoming merger with Veeco Instruments (NASDAQ: VECO). Veeco is also on an incredible run, with its stock more than doubling year to date amid rising demand for AI infrastructure.
Veeco provides equipment for AI infrastructure that complements ion implantation, including laser annealing, which is Veeco's fastest-growing business. The company has seen an increase in orders, including $250 million in equipment orders announced in May.
Both companies are doing well with different AI-related equipment, and combining them creates significant synergies. It's a good setup for gaining more market share and commanding higher order values.
Axcelis Technologies' financial results are about to get more exciting between the AI build-out and the upcoming merger, which is expected to close in the second half of the year. If sequential growth continues to surge and slower-growing parts of the business fall deeper into the background, this current rally has room to extend.
Should you buy stock in Axcelis Technologies right now?
Before you buy stock in Axcelis Technologies, consider this:
The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Axcelis Technologies wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years.
Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $398,052!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,181,688!*
Now, it’s worth noting Stock Advisor’s total average return is 892% — a market-crushing outperformance compared to 205% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built by individual investors for individual investors.
See the 10 stocks »
*Stock Advisor returns as of June 30, 2026.
Marc Guberti has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Applied Materials, Lam Research, and Micron Technology. The Motley Fool has a disclosure policy.
Recommended Articles
