Arista Networks, Inc. $ANET Shares Sold by Calamos Advisors LLC

Key Points

• Calamos Advisors cut its stake in Arista by 29.9% in Q4, selling 70,784 shares and retaining 166,048 shares valued at about $21.76 million.
• Significant insider selling is a near‑term headwind — CEO Jayshree Ullal sold 428,000 shares for ~$75.9 million (under a pre‑arranged 10b5‑1 plan), Kenneth Duda sold 32,000 shares, and insiders disposed of roughly 1.50 million shares (~$246.4M) over the past three months.
• Operational and analyst momentum remains strong: Arista beat Q4 EPS and revenue estimates with revenue up 28.9% YoY, analysts have issued upgrades, and the consensus rating is a Buy with an average price target of $177.83 as AI/datacenter demand accelerates.

Calamos Advisors LLC cut its holdings in shares of Arista Networks, Inc. (NYSE:ANET - Free Report) by 29.9% during the fourth quarter, according to the company in its most recent disclosure with the Securities and Exchange Commission. The institutional investor owned 166,048 shares of the technology company's stock after selling 70,784 shares during the period. Calamos Advisors LLC's holdings in Arista Networks were worth $21,757,000 at the end of the most recent quarter.

A number of other large investors have also made changes to their positions in ANET. Board of the Pension Protection Fund acquired a new position in shares of Arista Networks during the fourth quarter worth $26,000. Knuff & Co LLC acquired a new position in shares of Arista Networks during the third quarter worth $29,000. Ameliora Wealth Management Ltd. acquired a new position in shares of Arista Networks during the fourth quarter worth $30,000. Richardson Financial Services Inc. increased its position in shares of Arista Networks by 141.3% during the third quarter. Richardson Financial Services Inc. now owns 222 shares of the technology company's stock worth $32,000 after purchasing an additional 130 shares in the last quarter. Finally, Quarry LP acquired a new position in shares of Arista Networks during the third quarter worth $33,000. 82.47% of the stock is owned by institutional investors and hedge funds.

Insider Buying and Selling at Arista Networks

In related news, insider Kenneth Duda sold 32,000 shares of the company's stock in a transaction on Tuesday, February 17th. The stock was sold at an average price of $142.44, for a total value of $4,558,080.00. Following the transaction, the insider directly owned 12,976 shares of the company's stock, valued at $1,848,301.44. This represents a 71.15% decrease in their position. The transaction was disclosed in a legal filing with the Securities & Exchange Commission, which is available at this hyperlink. Also, CEO Jayshree Ullal sold 428,000 shares of the company's stock in a transaction on Wednesday, April 22nd. The shares were sold at an average price of $177.44, for a total transaction of $75,944,320.00. Following the completion of the sale, the chief executive officer directly owned 5,209,207 shares in the company, valued at approximately $924,321,690.08. The trade was a 7.59% decrease in their ownership of the stock. The SEC filing for this sale provides additional information. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Over the last three months, insiders sold 1,502,729 shares of company stock worth $246,427,959. 3.39% of the stock is owned by insiders.

Arista Networks Price Performance

NYSE ANET opened at $176.76 on Friday. The stock's fifty day moving average price is $139.47 and its 200 day moving average price is $137.26. Arista Networks, Inc. has a 1 year low of $76.01 and a 1 year high of $179.80. The company has a market cap of $222.57 billion, a price-to-earnings ratio of 64.04, a PEG ratio of 3.03 and a beta of 1.48.

Arista Networks (NYSE:ANET - Get Free Report) last released its earnings results on Thursday, February 12th. The technology company reported $0.82 earnings per share (EPS) for the quarter, beating the consensus estimate of $0.75 by $0.07. Arista Networks had a return on equity of 30.37% and a net margin of 38.99%.The firm had revenue of $2.49 billion for the quarter, compared to the consensus estimate of $2.38 billion. During the same period in the prior year, the firm earned $0.66 EPS. The firm's revenue was up 28.9% on a year-over-year basis. Research analysts expect that Arista Networks, Inc. will post 3.17 earnings per share for the current year.

Analyst Upgrades and Downgrades

A number of equities analysts have recently issued reports on the company. Barclays reaffirmed an "overweight" rating and set a $184.00 price target (up from $183.00) on shares of Arista Networks in a research report on Friday, February 13th. Susquehanna raised Arista Networks to a "strong-buy" rating in a research report on Wednesday, April 1st. Rosenblatt Securities raised Arista Networks from a "neutral" rating to a "buy" rating and upped their target price for the company from $165.00 to $180.00 in a research report on Tuesday, April 7th. Weiss Ratings raised Arista Networks from a "hold (c+)" rating to a "buy (b-)" rating in a research report on Tuesday, April 14th. Finally, Needham & Company LLC upped their target price on Arista Networks from $165.00 to $185.00 and gave the company a "buy" rating in a research report on Friday, February 13th. Three equities research analysts have rated the stock with a Strong Buy rating, twenty have given a Buy rating and two have issued a Hold rating to the company's stock. According to data from MarketBeat, Arista Networks presently has a consensus rating of "Buy" and an average price target of $177.83.

Arista Networks News Summary

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

• Positive Sentiment: Analysts and media highlight Arista as a direct beneficiary of Google’s new "Virgo" AI datacenter architecture; that narrative helped lift momentum and contributed to new highs. Arista poised to benefit from Google’s Virgo
• Positive Sentiment: Company/analyst commentary says Arista materially raised its AI‑networking market assumptions (effectively expanding the TAM), supporting higher forward multiples and investor willingness to pay a premium for AI exposure. Arista Doubles AI Networking Target
• Positive Sentiment: Street and research notes (Zacks and others) flag ANET as likely to top upcoming quarterly estimates as AI capex, 5G/fiber demand and datacenter upgrades lift networking spend — Q1 (May 5) is a potential catalyst for upgrades. 3 Telecom Stocks Likely to Surpass Q1 Earnings Estimates
• Positive Sentiment: Institutional accumulation and multiple analyst upgrades/price‑target increases have driven liquidity and momentum into ANET, reinforcing the current uptrend. MarketBeat Arista coverage and analyst targets
• Neutral Sentiment: Several bullish writeups recap Arista’s market share in high‑performance switching and AI networking; useful context for investors but reflect elevated expectations that increase the bar for surprises. Is Arista Networks, Inc. (ANET) A Good Stock To Buy Now?
• Negative Sentiment: Significant insider selling by CEO Jayshree Ullal (multiple pre‑arranged 10b5‑1 sales totaling tens of millions over recent days) is generating selling pressure and negative headlines despite being scheduled trades. Jayshree Ullal Sells 93,861 Shares
• Negative Sentiment: Additional insider dispositions (EVP and other executives) amplify perception of management profit‑taking and can increase short‑term volatility into the earnings date. Kenneth Duda SEC filing

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.

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