Key Points
Arista Networks is a dominant provider of high-speed networking equipment for the world's largest cloud and AI data centers.
Monday.com operates a rapidly growing AI-powered work management platform used by hundreds of thousands of global customers.
Which technology leader is the better addition to your portfolio today?
Choosing between infrastructure and applications often defines a portfolio strategy. Arista Networks (NYSE:ANET) and Monday.com (NASDAQ:MNDY) represent two distinct ways to play the ongoing digital transformation of the global economy.
Arista Networks provides the high-speed networking equipment that makes modern data centers possible. Meanwhile, Monday.com offers a flexible software platform that allows businesses to build custom workflows for project management and sales. Both companies are seeing strong demand as organizations prioritize efficiency and the integration of artificial intelligence into their daily operations.
The case for Arista Networks
Arista Networks designs data-driven networking hardware and software for large-scale data centers and campus environments. The company serves a global customer base across segments such as cloud titans, enterprise, and financial services. Its strategy focuses on high-performance switching and routing solutions that handle massive amounts of data. Customer concentration adds a layer of risk to the business, as two end customers accounted for 16% and 26% of total revenue in 2025.
In FY 2025, revenue reached about $9.0 billion, representing growth of approximately 28.6% over the previous year. This growth highlights the intense demand for networking infrastructure to support cloud computing and artificial intelligence. Net income for the period was roughly $3.5 billion, resulting in a healthy net margin of approximately 39%.
As of its December 2025 balance sheet, the debt-to-equity ratio was 0.0x, indicating the company carries no debt. Its current ratio, which measures a company's ability to pay short-term obligations with short-term assets, was close to 3.0x. Free cash flow for the fiscal year reached roughly $4.3 billion. Free cash flow is the cash a company generates after accounting for cash outflows to support operations and maintain its capital assets.
The case for Monday.com
Monday.com provides an AI-powered work platform that helps teams manage tasks, customer relationships, and software development. The company currently serves approximately 250,000 customers across more than 200 countries. It is a notable player among tech stocks due to its ability to consolidate multiple business tools into a single interface. This flexibility allows it to scale across different industries and company sizes.
In FY 2025, revenue reached around $1.2 billion, which was an increase of approximately 26.7% compared to the prior year. The company reported net income of about $118.7 million for the period. This resulted in a net margin of roughly 9.6%, showing the company is successfully maintaining profitability while investing in its expansion.
As of its December 2025 balance sheet, the debt-to-equity ratio was approximately 0.3x. The current ratio was close to 2.5x, suggesting a strong liquidity position for future investments. Free cash flow for the fiscal year was roughly $309.9 million. Note that stock-based compensation (SBC) represented roughly 53% of operating cash flow, which inflates reported cash generation since SBC is a non-cash expense added back in the cash flow statement.
Risk profile comparison
Arista Networks faces significant revenue concentration, as a few large customers drive a major portion of its sales. This makes the company vulnerable to changes in capital spending by cloud titans. Furthermore, the company relies heavily on Broadcom Inc. (NASDAQ:AVGO) for its switching chips, which creates supply chain dependency. It also faces intense competition from established players like Nvidia Corp. (NASDAQ:NVDA) and Hewlett Packard Enterprise (NYSE:HPE).
Monday.com operates in the highly crowded software-as-a-service market, competing against both small niche players and massive incumbents. Since the company does not disclose major customer concentrations, its primary risks involve its ability to maintain high growth rates and manage its operating expenses. The company is also sensitive to broader macroeconomic conditions, as businesses may reduce software spending during economic downturns. Continued innovation in artificial intelligence will be critical for it to stay ahead of rivals.
Valuation comparison
Monday.com appears significantly cheaper than Arista Networks when comparing their sales and future earnings multiples, reflecting the hardware giant's higher profit margins and market position.
| Metric | Arista Networks | monday.com |
|---|---|---|
| Forward P/E | 41.6x | 19.4x |
| P/S ratio | 20.5x | 3.3x |
Valuation metrics include those sourced from Financial Modeling Prep (FMP) and may differ from those of other data providers.
The P/S ratio measures a company's market value against its sales over the past twelve months. A Forward P/E ratio compares the current stock price to estimated future earnings over the next year.
Which stock would I buy in 2026?
Arista Networks is experiencing strong demand for its Ethernet solutions as AI drives growth in cloud networking. Cloud Titans, a term for the largest AI operations, increased their spending by 30% in 2025 after a 30% increase in 2024. Arista is a big beneficiary of their spending and should continue to be. In addition to double-digit revenue growth for Arista from Titans, the company is seeing strong momentum in the Arista campus and mainstream switching and routing markets, as it introduces and updates a slew of its product offerings targeting those operations.
For fiscal 2026, revenue is expected to jump nearly 40% to $12.6 billion, with net income rising by a similar margin to $4.9 billion.
Monday.com, meanwhile, is undergoing a bit of a reset. In July, it fired 20% of its workforce. It's part of an effort to redirect more capital to AI services for its platform.
In its second quarter, revenue grew 22% year-over-year to nearly $365 million, but net income was $3.64 million, barely a 1% net profit margin.
Still, there were some bright spots. Management touted a record net addition of $100,000-plus and $500,000-plus customers, saying they reflect the continued strength of Monday.com's push to go upmarket. In July, the business crossed $1.5 billion in annual recurring revenue (ARR), a milestone the company says reflects the durability of its core business even as it reshapes the company around AI.
For the full year, sales should rise nearly 20% to 1.47 billion, but net income should weaken to about $68 million.
Taken altogether, Arista Networks is the stock to buy, given Monday.com's razor-thin profitability margin, even as it offers cheaper shares, based on the companies' ratios.
Brendan Coffey has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Arista Networks, Broadcom, Hewlett Packard Enterprise, Monday.com, and Nvidia. The Motley Fool has a disclosure policy.