Arista Networks, Inc. $ANET Position Boosted by Professional Advisory Services Inc.

Key Points

• Professional Advisory Services significantly increased its Arista Networks stake by 30,144.5% in the third quarter, bringing its holdings to 387,129 shares valued at approximately $78.8 million. Institutional investors collectively own 82.47% of the stock.
• Arista reported strong operating results, with quarterly revenue up 37.7% year over year to $3.04 billion and EPS of $1.02 beating estimates. Its new AI networking portfolio and continued hyperscaler data-center demand are key growth catalysts.
• Despite predominantly bullish analyst ratings and a consensus price target of $235.45, the stock’s high valuation—around 66.5 times earnings—creates downside sensitivity; insiders also sold approximately $631.3 million of shares in the latest quarter.

Professional Advisory Services Inc. increased its holdings in Arista Networks, Inc. (NYSE:ANET - Free Report) by 30,144.5% in the third quarter, according to its most recent Form 13F filing with the Securities & Exchange Commission. The firm owned 387,129 shares of the technology company's stock after acquiring an additional 385,849 shares during the quarter. Arista Networks comprises approximately 9.2% of Professional Advisory Services Inc.'s portfolio, making the stock its biggest position. Professional Advisory Services Inc.'s holdings in Arista Networks were worth $78,816,000 as of its most recent SEC filing.

A number of other hedge funds have also added to or reduced their stakes in the stock. Main Street Group LTD bought a new stake in shares of Arista Networks during the 1st quarter valued at about $26,000. Sankala Group LLC bought a new stake in Arista Networks during the 4th quarter valued at approximately $27,000. ABS Investment Management LLC bought a new position in shares of Arista Networks in the 2nd quarter worth approximately $29,000. ABS Direct Equity Fund LLC purchased a new position in shares of Arista Networks in the 2nd quarter valued at approximately $29,000. Finally, Hilton Head Capital Partners LLC boosted its position in shares of Arista Networks by 184.9% during the first quarter. Hilton Head Capital Partners LLC now owns 245 shares of the technology company's stock valued at $30,000 after purchasing an additional 159 shares in the last quarter. 82.47% of the stock is owned by hedge funds and other institutional investors.

Insider Buying and Selling

In other news, insider Kenneth Duda sold 26,000 shares of the business's stock in a transaction dated Monday, July 20th. The stock was sold at an average price of $170.51, for a total value of $4,433,260.00. Following the transaction, the insider directly owned 462,400 shares in the company, valued at $78,843,824. The trade was a 5.32% decrease in their ownership of the stock. The sale was disclosed in a legal filing with the Securities & Exchange Commission, which is available at this hyperlink. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Also, major shareholder Andreas Bechtolsheim sold 300,000 shares of the 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 sale, the insider owned 181,143,048 shares of the company's stock, valued at $36,826,381,658.40. This represents a 0.17% decrease in their position. The SEC filing for this sale provides additional information. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. In the last quarter, insiders sold 3,144,894 shares of company stock valued at $631,310,023. Company insiders own 2.70% of the company's stock.

Key Stories Impacting Arista Networks

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

• Positive Sentiment: New AI networking portfolio supports growth prospects. Arista introduced an open Ethernet rack-scale portfolio for high-density AI infrastructure, designed for both scale-up and scale-out networks. The solutions use open standards, liquid cooling and partnerships with companies including AMD, Broadcom, Meta, Microsoft and Qualcomm. The launch could help Arista win business from proprietary alternatives such as NVIDIA’s InfiniBand by giving hyperscalers greater hardware flexibility. Arista Announces Rack-Scale Architectures for Scale-Up and Scale-Out AI Fabrics
• Positive Sentiment: AI infrastructure demand remains the central bullish catalyst. Investment commentary highlights Arista as a potential beneficiary of sustained hyperscaler and data-center spending, with investors increasingly favoring companies showing clear AI monetization and execution. The company’s Ethernet opportunity is expanding as cloud providers seek vendor-neutral networking systems. Arista Networks Could Be a Key Winner From the AI Infrastructure Boom
• Positive Sentiment: Recent operating results and guidance were strong. Arista’s latest quarter generated $3.04 billion in revenue, up 37.7% year over year, while earnings per share of $1.02 exceeded consensus expectations. Management’s outlook for approximately $1.06-$1.08 in third-quarter EPS reinforces expectations for continued data-center growth.
• Neutral Sentiment: Momentum has been substantial, but the valuation leaves less room for disappointment. The stock has risen roughly 65% year to date and trades at a high earnings multiple. Supporters view the premium as justified by rapid growth, strong margins and a debt-light balance sheet, while investors may be taking profits after the recent record high. Arista Stock Rises 64.7% YTD: Is There More Upside Ahead?
• Negative Sentiment: Zacks downgraded Arista from “strong buy” to “hold.” The rating change may be weighing on sentiment, particularly after the stock’s sharp rally. Analysts also cite customer concentration and potential margin pressure as risks to the upside. Arista Networks Stock Rating Lowered by Zacks Research

Arista Networks Trading Down 2.3%

ANET stock traded down $4.95 during trading on Thursday, reaching $210.88. The stock had a trading volume of 4,874,947 shares, compared to its average volume of 7,920,179. The stock's 50 day moving average is $197.40 and its two-hundred day moving average is $171.74. Arista Networks, Inc. has a 52 week low of $114.52 and a 52 week high of $217.32. The firm has a market cap of $265.97 billion, a PE ratio of 66.53, a PEG ratio of 2.53 and a beta of 1.60.

Arista Networks (NYSE:ANET - Get Free Report) last released its quarterly earnings results on Tuesday, August 4th. The technology company reported $1.02 earnings per share (EPS) for the quarter, beating the consensus estimate of $0.89 by $0.13. The business had revenue of $3.04 billion during the quarter, compared to analyst estimates of $2.83 billion. Arista Networks had a return on equity of 30.65% and a net margin of 38.37%.Arista Networks's revenue for the quarter was up 37.7% on a year-over-year basis. During the same quarter in the previous year, the company posted $0.73 earnings per share. Arista Networks has set its Q3 2026 guidance at 1.060-1.080 EPS. On average, research analysts anticipate that Arista Networks, Inc. will post 3.74 EPS for the current year.

Analysts Set New Price Targets

Several brokerages have commented on ANET. TD Cowen boosted their target price on shares of Arista Networks from $210.00 to $250.00 and gave the company a "buy" rating in a report on Wednesday, August 5th. Barclays reissued an "overweight" rating and set a $289.00 price objective (up from $195.00) on shares of Arista Networks in a research note on Wednesday, August 5th. Zacks Research downgraded shares of Arista Networks from a "strong-buy" rating to a "hold" rating in a research note on Monday. The Goldman Sachs Group reiterated a "buy" rating and set a $225.00 price objective on shares of Arista Networks in a research note on Wednesday, August 5th. Finally, Needham & Company LLC restated a "buy" rating and set a $260.00 price target (up from $200.00) on shares of Arista Networks in a report on Wednesday, August 5th. One equities research analyst has rated the stock with a Strong Buy rating, twenty have assigned a Buy rating and two have issued a Hold rating to the company's stock. Based on data from MarketBeat.com, Arista Networks has an average rating of "Moderate Buy" and a consensus target price of $235.45.

About Arista Networks

Arista Networks, Inc develops and sells cloud networking solutions for data centers, campus environments and high-performance computing applications. Its products include Ethernet switches, routers, wireless access points and related networking equipment designed to support cloud computing, artificial intelligence, enterprise and service-provider networks.

The company's software portfolio includes Arista EOS, its network operating system, and CloudVision, a platform that helps customers manage, automate and monitor network infrastructure.

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