Calamos Advisors LLC Has $64.60 Million Position in Arista Networks, Inc. $ANET

Posted by on Jul 14th, 2026

Calamos Advisors LLC increased its position in shares of Arista Networks, Inc. (NYSE:ANET – Free Report) by 216.9% in the first quarter, Holdings Channel reports. The institutional investor owned 526,164 shares of the technology company’s stock after buying an additional 360,116 shares during the period. Calamos Advisors LLC’s holdings in Arista Networks were worth $64,602,000 as of its most recent SEC filing.

A number of other hedge funds and other institutional investors have also bought and sold shares of the company. Retirement Planning Group LLC bought a new stake in Arista Networks in the 1st quarter valued at approximately $664,000. Empirical Financial Services LLC d.b.a. Empirical Wealth Management grew its stake in shares of Arista Networks by 0.3% during the 1st quarter. Empirical Financial Services LLC d.b.a. Empirical Wealth Management now owns 41,579 shares of the technology company’s stock worth $5,105,000 after acquiring an additional 105 shares in the last quarter. Bleakley Financial Group LLC grew its stake in shares of Arista Networks by 9.4% during the 1st quarter. Bleakley Financial Group LLC now owns 28,513 shares of the technology company’s stock worth $3,501,000 after acquiring an additional 2,450 shares in the last quarter. TFR Capital LLC. raised its holdings in shares of Arista Networks by 6.3% in the first quarter. TFR Capital LLC. now owns 19,844 shares of the technology company’s stock valued at $2,436,000 after purchasing an additional 1,176 shares during the last quarter. Finally, Principal Financial Group Inc. lifted its position in shares of Arista Networks by 3.7% in the first quarter. Principal Financial Group Inc. now owns 1,526,134 shares of the technology company’s stock worth $187,379,000 after purchasing an additional 54,262 shares in the last quarter. Institutional investors and hedge funds own 82.47% of the company’s stock.

Insider Buying and Selling

In other Arista Networks news, major shareholder Andreas Bechtolsheim sold 260,000 shares of Arista Networks stock in a transaction 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 completion of the transaction, the insider directly owned 182,543,048 shares of the company’s stock, valued at $30,223,652,457.36. The trade was a 0.14% decrease in their ownership of the stock. The transaction was disclosed in a document filed with the SEC, which is available through this hyperlink. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Also, CEO Jayshree Ullal sold 428,000 shares of Arista Networks stock in a transaction on Wednesday, April 22nd. The stock was sold at an average price of $177.44, for a total transaction of $75,944,320.00. Following the transaction, the chief executive officer directly owned 5,209,207 shares of the company’s stock, valued at approximately $924,321,690.08. This trade represents 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. Insiders have sold a total of 3,267,800 shares of company stock worth $540,700,852 over the last three months. 2.70% of the stock is owned by insiders.

Analyst Upgrades and Downgrades

Several research analysts recently commented on ANET shares. Susquehanna upgraded shares of Arista Networks to a “strong-buy” rating in a report on Wednesday, April 1st. Barclays reissued an “overweight” rating and set a $195.00 price target (up from $184.00) on shares of Arista Networks in a research report on Thursday, May 7th. Needham & Company LLC reaffirmed a “buy” rating and issued a $185.00 target price on shares of Arista Networks in a research report on Wednesday, May 6th. TD Cowen reiterated a “buy” rating and set a $210.00 target price (up from $200.00) on shares of Arista Networks in a report on Monday. Finally, Zacks Research cut Arista Networks from a “strong-buy” rating to a “hold” rating in a research report on Thursday, May 14th. Two investment analysts have rated the stock with a Strong Buy rating, twenty-one have issued a Buy rating and two have issued a Hold rating to the company. According to MarketBeat.com, the stock has an average rating of “Buy” and an average target price of $188.16.

View Our Latest Report on ANET

Arista Networks News Summary

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

  • Positive Sentiment: Analysts and market commentary continue to highlight Arista’s AI networking portfolio, strong cloud demand, and 35% revenue growth as drivers that could support more upside ahead.
  • Positive Sentiment: Arista was included in a “high-growth wide-moat” stock list, reinforcing investor confidence in its competitive positioning and long-term growth outlook.
  • Neutral Sentiment: A recent comparison note on enterprise AI stocks said Workday may offer more upside than Arista right now because of its lower valuation and improving earnings estimates, which may temper enthusiasm for ANET.
  • Neutral Sentiment: The company’s CEO, Jayshree Ullal, sold 242,422 shares in a pre-arranged 10b5-1 plan. While the sale was disclosed and routine, large insider selling can sometimes weigh on sentiment. SEC filing
  • Negative Sentiment: Arista Networks has also been cited as moving down more than the broader market in recent trading, reflecting near-term weakness despite its strong fundamentals.

Arista Networks Stock Performance

Shares of ANET stock opened at $181.17 on Tuesday. Arista Networks, Inc. has a 52-week low of $104.68 and a 52-week high of $189.82. The stock has a market cap of $228.13 billion, a price-to-earnings ratio of 62.04, a PEG ratio of 2.88 and a beta of 1.60. The firm’s 50-day moving average is $159.96 and its 200-day moving average is $146.20.

Arista Networks (NYSE:ANET – Get Free Report) last posted its quarterly earnings results on Tuesday, May 5th. The technology company reported $0.87 EPS for the quarter, topping analysts’ consensus estimates of $0.81 by $0.06. The business had revenue of $2.71 billion during the quarter, compared to analysts’ expectations of $2.62 billion. Arista Networks had a return on equity of 30.10% and a net margin of 38.32%.Arista Networks’s quarterly revenue was up 35.1% on a year-over-year basis. During the same quarter last year, the company posted $0.65 earnings per share. Arista Networks has set its Q2 2026 guidance at 0.880-0.880 EPS. Sell-side analysts predict that Arista Networks, Inc. will post 3.27 EPS for the current fiscal year.

Arista Networks Profile

(Free Report)

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.

Featured Articles

Want to see what other hedge funds are holding ANET? Visit HoldingsChannel.com to get the latest 13F filings and insider trades for Arista Networks, Inc. (NYSE:ANET – Free Report).

Institutional Ownership by Quarter for Arista Networks (NYSE:ANET)

Receive News & Ratings for Arista Networks Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Arista Networks and related companies with MarketBeat.com's FREE daily email newsletter.