Arista Networks, Inc. $ANET Shares Acquired by Kampmann Melissa S.

Kampmann Melissa S. increased its stake in Arista Networks, Inc. (NYSE:ANET) by 371.2% during the third quarter, according to its most recent filing with the Securities & Exchange Commission. The fund owned 8,930 shares of the technology company’s stock after acquiring an additional 7,035 shares during the quarter. Arista Networks makes up 1.4% of Kampmann Melissa S.’s holdings, making the stock its 26th largest holding. Kampmann Melissa S.’s holdings in Arista Networks were worth $1,818,000 as of its most recent filing with the Securities & Exchange Commission.

Several other institutional investors have also made changes to their positions in ANET. State Street Corp grew its stake in Arista Networks by 159.4% during the 2nd quarter. State Street Corp now owns 121,303,125 shares of the technology company’s stock valued at $20,606,975,000 after acquiring an additional 74,541,134 shares in the last quarter. Massachusetts Financial Services Co. MA lifted its holdings in Arista Networks by 34.6% in the 2nd quarter. Massachusetts Financial Services Co. MA now owns 9,725,196 shares of the technology company’s stock worth $1,712,788,000 after purchasing an additional 2,497,275 shares during the last quarter. Envestnet Asset Management Inc. grew its stake in Arista Networks by 199.0% in the 2nd quarter. Envestnet Asset Management Inc. now owns 9,630,196 shares of the technology company’s stock valued at $1,635,978,000 after buying an additional 6,409,612 shares during the last quarter. Deutsche Bank AG increased its stake in shares of Arista Networks by 4.3% in the second quarter. Deutsche Bank AG now owns 9,357,496 shares of the technology company’s stock worth $1,589,651,000 after purchasing an additional 388,354 shares during the period. Finally, Amundi lifted its position in shares of Arista Networks by 5.7% during the 1st quarter. Amundi now owns 9,064,443 shares of the technology company’s stock worth $1,112,932,000 after purchasing an additional 491,173 shares during the last quarter. 82.47% of the stock is owned by hedge funds and other institutional investors.

Insider Buying and Selling at Arista Networks

In related news, CEO Jayshree Ullal sold 767,029 shares of Arista Networks stock in a transaction dated Wednesday, August 5th. The stock was sold at an average price of $201.22, for a total value of $154,341,575.38. Following the completion of the sale, the chief executive officer directly owned 16,387,981 shares in the company, valued at $3,297,589,536.82. This trade represents a 4.47% decrease in their ownership of the stock. The sale was disclosed in a document filed with the Securities & Exchange Commission, which can be accessed through the SEC website. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Also, major shareholder Andreas Bechtolsheim sold 300,000 shares of Arista Networks stock in a transaction dated Wednesday, August 5th. The stock was sold at an average price of $203.30, for a total value of $60,990,000.00. Following the completion of the sale, the insider owned 181,143,048 shares of the company’s stock, valued at approximately $36,826,381,658.40. The trade was a 0.17% decrease in their ownership of the stock. The disclosure for this sale is available in the SEC filing. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Insiders have sold 3,627,449 shares of company stock worth $741,235,386 in the last ninety days. 2.70% of the stock is currently owned by insiders.

Key Stories Impacting Arista Networks

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

• Positive Sentiment: Arista’s leadership in high-speed networking for hyperscale cloud and artificial-intelligence data centers remains a key investment argument. A comparison with Figma highlights Arista’s established infrastructure position, while Figma is still expanding its collaborative design platform and generative-AI tools. Arista Networks vs. Figma: Which Technology Stock Is a Better Buy in 2026?
• Positive Sentiment: Analysts and market commentary continue to point to accelerating AI infrastructure investment as a long-term growth driver. One valuation analysis suggests ANET could be roughly 23% undervalued if its AI-related outlook and product expansion are realized. Arista Networks Could Be 23% Undervalued Following Its AI Infrastructure Outlook
• Positive Sentiment: Arista was included among high-return-on-equity stocks positioned to benefit from the AI-driven market rally, reinforcing its reputation for strong profitability and capital efficiency. 5 Stocks With High ROE to Bet on as AI-Infused Rally Spurs Markets
• Neutral Sentiment: The global AI data-center market is forecast to expand substantially through 2036, offering a favorable industry backdrop for Arista, although the report covers many competing equipment and infrastructure suppliers. Global AI Data Center Market Size, Share, Trends, and Forecast
• Negative Sentiment: Investors appear cautious ahead of earnings: shares have pulled back nearly 10% over the past month and roughly 20% from their high as profit-taking and valuation concerns increase the risk of disappointment. Arista trades at a premium multiple, leaving limited room for weaker guidance or supply-chain issues. Down 20% From Highs, Is Arista Networks a Genius Buy or a Trap Before Earnings?
• Negative Sentiment: Recent trading coverage noted ANET underperformed the broader market, while attention on a Prometheus networking deployment adds another near-term execution and product-adoption uncertainty. Arista Networks Stocks Move Lower With Prometheus Networking Deployment in Focus

Arista Networks Trading Down 8.5%

ANET stock opened at $168.63 on Friday. The business’s 50 day moving average is $195.18 and its 200-day moving average is $164.70. Arista Networks, Inc. has a 1-year low of $114.52 and a 1-year high of $217.41. The firm has a market cap of $212.68 billion, a P/E ratio of 53.20, a P/E/G ratio of 2.14 and a beta of 1.60.

Arista Networks (NYSE:ANET) last posted its earnings results on Tuesday, August 4th. The technology company reported $1.02 earnings per share (EPS) for the quarter, beating analysts’ consensus estimates of $0.89 by $0.13. Arista Networks had a net margin of 38.37% and a return on equity of 30.65%. The company had revenue of $3.04 billion during the quarter, compared to analysts’ expectations of $2.83 billion. During the same quarter in the previous year, the company posted $0.73 earnings per share. Arista Networks’s quarterly revenue was up 37.7% compared to the same quarter last year. Arista Networks has set its Q3 2026 guidance at 1.060-1.080 EPS. Sell-side analysts forecast that Arista Networks, Inc. will post 3.79 EPS for the current year.

Analyst Ratings Changes

Several brokerages recently weighed in on ANET. Zacks Research downgraded Arista Networks from a “strong-buy” rating to a “hold” rating in a research note on Monday, October 5th. Piper Sandler reissued an “overweight” rating and issued a $240.00 price objective (up from $181.00) on shares of Arista Networks in a research report on Wednesday, August 5th. Erste Group Bank raised Arista Networks from a “hold” rating to a “buy” rating in a research report on Wednesday, July 15th. Evercore restated an “outperform” rating on shares of Arista Networks in a research note on Wednesday, October 7th. Finally, Morgan Stanley reaffirmed an “overweight” rating and set a $220.00 target price (up from $190.00) on shares of Arista Networks in a research report on Wednesday, August 5th. Two investment analysts have rated the stock with a Strong Buy rating, twenty-one have given a Buy rating and one has assigned a Hold rating to the company’s stock. Based on data from MarketBeat.com, the stock presently has a consensus rating of “Buy” and an average target price of $233.20.

Arista Networks Profile

Arista Networks, Inc develops and sells cloud networking solutions for data centers, cloud service providers, enterprises and specialized computing environments. The company’s products are designed to support high-performance, scalable and automated networks used for cloud computing, artificial intelligence, data analytics and other demanding applications.

Arista’s portfolio includes data center and campus switches, routing platforms, wireless networking products, network operating software and network management tools.