Arista Networks, Inc. $ANET Shares Bought by Castleark Management LLC

Castleark Management LLC grew its stake in Arista Networks, Inc. (NYSE:ANET) by 4.8% during the 1st quarter, according to its most recent Form 13F filing with the Securities & Exchange Commission. The institutional investor owned 430,935 shares of the technology company’s stock after acquiring an additional 19,658 shares during the quarter. Arista Networks comprises approximately 1.8% of Castleark Management LLC’s portfolio, making the stock its 12th biggest holding. Castleark Management LLC’s holdings in Arista Networks were worth $52,910,000 as of its most recent filing with the Securities & Exchange Commission.

Other large investors have also made changes to their positions in the company. Sankala Group LLC acquired a new position in Arista Networks in the 4th quarter valued at about $27,000. Prosperity Bancshares Inc acquired a new stake in shares of Arista Networks during the 4th quarter worth about $28,000. Main Street Group LTD acquired a new stake in shares of Arista Networks during the 1st quarter worth about $26,000. Quarry LP purchased a new stake in shares of Arista Networks during the third quarter worth about $33,000. Finally, Ameliora Wealth Management Ltd. purchased a new stake in shares of Arista Networks during the fourth quarter worth about $30,000. Institutional investors and hedge funds own 82.47% of the company’s stock.

Wall Street Analyst Weigh In

ANET has been the topic of several recent analyst reports. Susquehanna raised shares of Arista Networks to a “strong-buy” rating in a research note on Wednesday, April 1st. Wells Fargo & Company reaffirmed an “overweight” rating and issued a $200.00 target price (up from $185.00) on shares of Arista Networks in a research note on Thursday, July 16th. Rosenblatt Securities boosted their price target on Arista Networks from $180.00 to $210.00 and gave the company a “buy” rating in a report on Wednesday, May 6th. Raymond James Financial raised Arista Networks from a “market perform” rating to an “outperform” rating and set a $164.00 price target on the stock in a research note on Friday, May 15th. Finally, TD Cowen reissued a “buy” rating and set a $210.00 price target (up from $200.00) on shares of Arista Networks in a research note on Monday, July 13th. Two equities research analysts have rated the stock with a Strong Buy rating, twenty-two have issued a Buy rating and one has given a Hold rating to the company. According to MarketBeat, Arista Networks currently has an average rating of “Buy” and a consensus target price of $189.74.

Key Stories Impacting Arista Networks

Here are the key news stories impacting Arista Networks this week:

• Positive Sentiment: BofA and Needham commentary was broadly bullish ahead of Arista’s upcoming Q2 results, with analysts expecting the stock to keep rising on continued AI and data-center demand. Arista Networks sees largely bullish views at BofA ahead of Q2 results
• Positive Sentiment: Arista was highlighted as a beneficiary of expanding AI adoption, reinforcing the investment case that demand for networking gear tied to AI buildouts could support future growth. 4 Software Stocks Poised to Benefit From Expanding AI Adoption
• Positive Sentiment: Arista was also featured among high-ROE stocks that may appeal to investors seeking quality names during market volatility, underscoring its strong profitability profile. 5 High ROE Stocks to Buy as Surging Oil Prices Rattle Investors
• Neutral Sentiment: Recent coverage debated whether ANET is fairly valued for AI growth or still trading at a premium, suggesting investors are weighing strong fundamentals against a rich valuation. Is Arista Networks (ANET) Priced For AI Growth Or Too Expensive?
• Neutral Sentiment: Arista’s strong first-half performance and long-term stock gains continue to support a positive narrative, but this is more of a reminder of past strength than a direct near-term catalyst. Why Arista Networks Stock Rocketed 30% Higher in the First Half of 2026 and Why There’s Likely More to Come
• Negative Sentiment: The stock also slipped in the latest trading session, reflecting some profit-taking and softer short-term momentum despite the upbeat analyst backdrop. Arista Networks (ANET) Stock Falls Amid Market Uptick: What Investors Need to Know

Arista Networks Stock Performance

ANET opened at $173.79 on Monday. The company’s 50 day simple moving average is $164.95 and its 200 day simple moving average is $148.78. Arista Networks, Inc. has a 1 year low of $113.55 and a 1 year high of $189.82. The stock has a market capitalization of $218.83 billion, a PE ratio of 59.52, a P/E/G ratio of 2.67 and a beta of 1.60.

Arista Networks (NYSE:ANET) last announced its quarterly earnings data on Tuesday, May 5th. The technology company reported $0.87 earnings per share (EPS) for the quarter, beating the consensus estimate of $0.81 by $0.06. Arista Networks had a net margin of 38.32% and a return on equity of 30.10%. The company had revenue of $2.71 billion during the quarter, compared to analysts’ expectations of $2.62 billion. During the same period in the previous year, the company earned $0.65 EPS. The business’s quarterly revenue was up 35.1% compared to the same quarter last year. Arista Networks has set its Q2 2026 guidance at 0.880-0.880 EPS. As a group, sell-side analysts expect that Arista Networks, Inc. will post 3.28 earnings per share for the current fiscal year.

Insider Activity at Arista Networks

In related news, insider Kenneth Duda sold 32,000 shares of the firm’s stock in a transaction dated Monday, May 18th. The stock was sold at an average price of $140.08, for a total transaction of $4,482,560.00. Following the sale, the insider directly owned 12,976 shares in the company, valued at approximately $1,817,678.08. This trade represents a 71.15% decrease in their position. The sale was disclosed in a filing with the SEC, which can be accessed through this link. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Also, major shareholder Andreas Bechtolsheim sold 260,000 shares of Arista Networks stock in a transaction that occurred on Monday, June 15th. The shares were sold at an average price of $165.57, for a total transaction of $43,048,200.00. Following the sale, the insider owned 182,543,048 shares in the company, valued at $30,223,652,457.36. This represents a 0.14% decrease in their position. The disclosure for this sale is available in the SEC filing. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Over the last quarter, insiders have sold 2,264,983 shares of company stock worth $376,175,065. Company insiders own 2.70% of the company’s stock.

Arista Networks Profile

Arista Networks, Inc is a technology company that designs and sells cloud networking solutions for large-scale data centers and enterprise environments. The company is best known for its high-performance switching and routing platforms, which are used to build scalable, low-latency networks for cloud service providers, internet companies, financial services, telecommunications, and enterprise IT. Arista’s offerings emphasize programmability, automation and telemetry to support modern, software-driven network architectures.

Central to Arista’s product portfolio is its Extensible Operating System (EOS), a modular network operating system that provides consistent programmability, stateful control and advanced visibility across the company’s hardware platforms.