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COHR vs. ARM: Which Tech Growth Stock Offers More Upside Now?
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Key Takeaways
Coherent stands out with strong datacenter growth, driven by 800G and 1.6T transceiver demand.
COHR benefits from AI infrastructure exposure, expanding capacity and improving financial health.
ARM shows steady growth and ecosystem strength but faces slower EPS growth and premium valuation.
Both Coherent Corp. (COHR - Free Report) and Arm Holdings (ARM - Free Report) are technology companies whose business models focus heavily on advanced hardware and innovation at the core of modern computing.
ARM is best known for its semiconductor IP, providing chip architectures that power a vast share of smartphones, servers and increasingly AI-focused processors. COHR, on the other hand, operates in the realm of photonics, lasers and optical components, enabling the ultra-fast connectivity and precision manufacturing that form the backbone of today’s data and electronics industries.
The two companies compete for investor interest in high-growth, innovation-driven segments of the tech infrastructure ecosystem.
COHR’s Case
Coherent Corp. continues to unlock significant value through its datacenter & communications segment, which generated 72% of total revenue in the second quarter of fiscal 2026, up from 63% in the year-ago quarter. This segment delivered strong 33.5% year-over-year growth, driven by surging demand for next-generation 800G and 1.6T transceivers, reinforcing its role as the company’s primary growth engine. At the same time, the industrial segment is showing signs of recovery, supported by solid orders from semiconductor equipment customers. Revenues in this segment rose 4% sequentially, led by strength in industrial laser and engineered materials product lines.
Coherent’s competitive edge is further strengthened by its broad product portfolio, vertical integration and expanding U.S. manufacturing footprint. Growth is not solely dependent on transceivers, as increasing traction in Optical Circuit Switch Systems is also contributing meaningfully. Meanwhile, the company continues to scale its Indium Phosphide capacity, ramping 6-inch wafer production across Sherman and Jarfalla facilities, signaling a strategic shift from traditional industrial exposure toward becoming a key enabler in AI-driven infrastructure.
From a financial standpoint, Coherent remains well-positioned. The company ended the quarter with $899 million in cash, up from $875 million in the prior quarter, against a relatively modest $106 million in current debt, highlighting strong liquidity. This is further supported by a current ratio of 2.25, comfortably above the industry average of 1.57. Long-term debt stood at $3.2 billion, unchanged sequentially, but its proportion to total capital declined to 26.8% from 34.9%, and below the industry average of 35.4%, indicating reduced financial leverage.
Additionally, the times interest earned ratio improved to 2.5X from 2.2X, reflecting a stronger ability to service debt obligations. This combination of accelerating segment growth and improving financial health positions Coherent to outpace competitors and capitalize on long-term opportunities.
ARM’s Case
ARM’s core strength lies in a two-sided network effect connecting software developers and hardware manufacturers within a mutually reinforcing ecosystem. Over time, ARM’s architecture has evolved into the preferred standard for device makers, largely due to its compatibility with major operating systems such as Android, iOS, Windows and Linux.
This widespread compatibility provides hardware manufacturers with confidence that ARM-based chips will integrate smoothly with widely used tools, services and platforms. As a result, companies designing processors increasingly rely on ARM’s architecture as a stable and scalable foundation.
At the same time, developers are naturally drawn to ARM’s ecosystem because applications built on its architecture can reach an enormous global installed base. Every new hardware partner expands ARM’s footprint, attracting more developers and strengthening the overall ecosystem.
This reinforcing cycle has helped ARM build one of the strongest competitive moats in the semiconductor industry. Today, ARM’s intellectual property is embedded in nearly every smartphone globally, giving the company unmatched scale in mobile computing and making its dominance difficult for competitors to challenge.
ARM has delivered consistent operational results in recent quarters. The company reported adjusted earnings of 43 cents per share in the fourth quarter of 2025, surpassing the Zacks Consensus Estimate by 4.9% and rising 7.5% year over year. This marked the fourth consecutive quarter of earnings beat, reinforcing the company’s reputation for execution discipline.
Quarterly revenues reached $1.24 billion, reflecting 26.4% year-over-year growth and slightly exceeding market expectations. This revenue increase demonstrates continued demand across ARM’s licensing and royalty-driven business model.
The strong performance highlighted ARM’s ability to scale its business while maintaining profitability. Although operating margins declined modestly due to increased spending on technology development and platform improvements, these investments appear aimed at strengthening long-term growth rather than signaling operational weakness.
How Do Zacks Estimates Compare for COHR & ARM?
The Zacks Consensus Estimate for COHR’s fiscal 2026 sales and EPS indicates year-over-year growth of 19.5% and 53%, respectively. EPS estimates have been trending upward over the past 60 days.
Image Source: Zacks Investment Research
The Zacks Consensus Estimate for ARM’s current year sales suggests 22% year-over-year growth, while EPS is expected to grow 8%. EPS estimates have been trending upward over the past 60 days.
Image Source: Zacks Investment Research
COHR’s Valuation Reflects Strong Growth Potential
While COHR appears attractively valued with a forward 12-month P/E of 50.24X versus its median of 29.68X, ARM's higher forward P/E of 90.3X, below its median of 118.1X, reflects investor confidence in its strong earnings growth potential.
Coherent Stands Out as the Better Upside Play
Between Coherent Corp. and Arm Holdings, Coherent emerges as the more compelling upside opportunity at this stage. Its accelerating momentum in AI-driven datacenter infrastructure, expanding role in high-speed optical connectivity and improving financial profile provide a strong foundation for growth. While Arm benefits from a dominant ecosystem and long-term relevance in semiconductor design, its premium valuation and relatively moderated earnings trajectory limit near-term upside. In contrast, Coherent’s combination of improving fundamentals, diversified product strength and increasing exposure to AI infrastructure positions it as the stronger growth play ahead.
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COHR vs. ARM: Which Tech Growth Stock Offers More Upside Now?
Key Takeaways
Both Coherent Corp. (COHR - Free Report) and Arm Holdings (ARM - Free Report) are technology companies whose business models focus heavily on advanced hardware and innovation at the core of modern computing.
ARM is best known for its semiconductor IP, providing chip architectures that power a vast share of smartphones, servers and increasingly AI-focused processors. COHR, on the other hand, operates in the realm of photonics, lasers and optical components, enabling the ultra-fast connectivity and precision manufacturing that form the backbone of today’s data and electronics industries.
The two companies compete for investor interest in high-growth, innovation-driven segments of the tech infrastructure ecosystem.
COHR’s Case
Coherent Corp. continues to unlock significant value through its datacenter & communications segment, which generated 72% of total revenue in the second quarter of fiscal 2026, up from 63% in the year-ago quarter. This segment delivered strong 33.5% year-over-year growth, driven by surging demand for next-generation 800G and 1.6T transceivers, reinforcing its role as the company’s primary growth engine. At the same time, the industrial segment is showing signs of recovery, supported by solid orders from semiconductor equipment customers. Revenues in this segment rose 4% sequentially, led by strength in industrial laser and engineered materials product lines.
Coherent’s competitive edge is further strengthened by its broad product portfolio, vertical integration and expanding U.S. manufacturing footprint. Growth is not solely dependent on transceivers, as increasing traction in Optical Circuit Switch Systems is also contributing meaningfully. Meanwhile, the company continues to scale its Indium Phosphide capacity, ramping 6-inch wafer production across Sherman and Jarfalla facilities, signaling a strategic shift from traditional industrial exposure toward becoming a key enabler in AI-driven infrastructure.
From a financial standpoint, Coherent remains well-positioned. The company ended the quarter with $899 million in cash, up from $875 million in the prior quarter, against a relatively modest $106 million in current debt, highlighting strong liquidity. This is further supported by a current ratio of 2.25, comfortably above the industry average of 1.57. Long-term debt stood at $3.2 billion, unchanged sequentially, but its proportion to total capital declined to 26.8% from 34.9%, and below the industry average of 35.4%, indicating reduced financial leverage.
Additionally, the times interest earned ratio improved to 2.5X from 2.2X, reflecting a stronger ability to service debt obligations. This combination of accelerating segment growth and improving financial health positions Coherent to outpace competitors and capitalize on long-term opportunities.
ARM’s Case
ARM’s core strength lies in a two-sided network effect connecting software developers and hardware manufacturers within a mutually reinforcing ecosystem. Over time, ARM’s architecture has evolved into the preferred standard for device makers, largely due to its compatibility with major operating systems such as Android, iOS, Windows and Linux.
This widespread compatibility provides hardware manufacturers with confidence that ARM-based chips will integrate smoothly with widely used tools, services and platforms. As a result, companies designing processors increasingly rely on ARM’s architecture as a stable and scalable foundation.
At the same time, developers are naturally drawn to ARM’s ecosystem because applications built on its architecture can reach an enormous global installed base. Every new hardware partner expands ARM’s footprint, attracting more developers and strengthening the overall ecosystem.
This reinforcing cycle has helped ARM build one of the strongest competitive moats in the semiconductor industry. Today, ARM’s intellectual property is embedded in nearly every smartphone globally, giving the company unmatched scale in mobile computing and making its dominance difficult for competitors to challenge.
ARM has delivered consistent operational results in recent quarters. The company reported adjusted earnings of 43 cents per share in the fourth quarter of 2025, surpassing the Zacks Consensus Estimate by 4.9% and rising 7.5% year over year. This marked the fourth consecutive quarter of earnings beat, reinforcing the company’s reputation for execution discipline.
Quarterly revenues reached $1.24 billion, reflecting 26.4% year-over-year growth and slightly exceeding market expectations. This revenue increase demonstrates continued demand across ARM’s licensing and royalty-driven business model.
The strong performance highlighted ARM’s ability to scale its business while maintaining profitability. Although operating margins declined modestly due to increased spending on technology development and platform improvements, these investments appear aimed at strengthening long-term growth rather than signaling operational weakness.
How Do Zacks Estimates Compare for COHR & ARM?
The Zacks Consensus Estimate for COHR’s fiscal 2026 sales and EPS indicates year-over-year growth of 19.5% and 53%, respectively. EPS estimates have been trending upward over the past 60 days.
The Zacks Consensus Estimate for ARM’s current year sales suggests 22% year-over-year growth, while EPS is expected to grow 8%. EPS estimates have been trending upward over the past 60 days.
COHR’s Valuation Reflects Strong Growth Potential
While COHR appears attractively valued with a forward 12-month P/E of 50.24X versus its median of 29.68X, ARM's higher forward P/E of 90.3X, below its median of 118.1X, reflects investor confidence in its strong earnings growth potential.
Coherent Stands Out as the Better Upside Play
Between Coherent Corp. and Arm Holdings, Coherent emerges as the more compelling upside opportunity at this stage. Its accelerating momentum in AI-driven datacenter infrastructure, expanding role in high-speed optical connectivity and improving financial profile provide a strong foundation for growth. While Arm benefits from a dominant ecosystem and long-term relevance in semiconductor design, its premium valuation and relatively moderated earnings trajectory limit near-term upside. In contrast, Coherent’s combination of improving fundamentals, diversified product strength and increasing exposure to AI infrastructure positions it as the stronger growth play ahead.
While COHR carries a Zacks Rank #2 (Buy), ARM carries a Zacks Rank #3 (Hold) at present. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.