Assenagon Asset Management S.A. Increases Stake in Arista Networks, Inc. (ANET) by 64.8%
Assenagon Asset Management S.A., a registered investment adviser, increased its position in Arista Networks, Inc. (NYSE:ANET) by 64.8% during Q3 2026, according to its most recent…
Arista Networks, Inc. (NYSE:ANET) · position increase
Institution
Assenagon Asset Management S.A.
Institution type
investment_adviser
Reporting period
Q3 2026
Shares
3,414,924
Position value
$695.2M
Position change
64.84%
At a glance
Key takeaways
01Assenagon Asset Management increased its Arista Networks position by 64.8% in Q3 2026, adding 1,343,263 shares for a total holding of 3,414,924 shares worth $695.2 million.
02Arista Networks stock trades at $180.81 with a $168.1 billion market capitalization as of the filing date.
03Institutional investors typically increase positions when they believe stocks have upside potential or when company fundamentals improve since initial purchase.
04The 13F filing reflects holdings as of quarter-end and was filed up to 45 days later, so the position may have changed since disclosure.
Filing Details
Assenagon Asset Management S.A., a registered investment adviser, increased its position in Arista Networks, Inc. (NYSE:ANET) by 64.8% during Q3 2026, according to its most recent 13F filing with the Securities and Exchange Commission.
The firm purchased an additional 1,343,263 shares of the Technology company, bringing its total holdings to 3,414,924 shares valued at approximately $695.2M as of the filing date.
Market Context
Arista Networks, Inc.'s stock currently trades at $180.81 with a market capitalization of $168.1B.
An increase in an existing position suggests Assenagon Asset Management S.A. has growing conviction in Arista Networks, Inc.'s trajectory. Institutional investors typically add to positions when they believe the stock still has upside relative to their price target, or when the company's fundamentals have improved since their initial purchase.
The technology sector has seen significant institutional rotation in recent quarters as investors weigh AI-driven growth against elevated valuations. Arista Networks, Inc.'s position within the sector makes institutional activity particularly noteworthy.
The size of this position — $695.2 million — places it among the more significant institutional holdings in Arista Networks, Inc. Large positions like this can influence trading dynamics and are closely watched by market participants tracking smart money flows.
Investors should note that 13F filings reflect holdings as of the end of the reporting quarter and are filed up to 45 days later. The position may have changed since the filing date. 13F data is most useful when analyzed alongside other signals such as insider transactions, analyst ratings, and fundamental trends.
A 13F filing is a quarterly SEC report required for institutional managers with over $100 million in assets. It discloses equity holdings, providing transparency into how firms like Assenagon Asset Management S.A. position their portfolios.