Assenagon Asset Management S.A. 13F: Adds $2.1B to AMZN Stake

Assenagon Asset Management S.A. grew its position in Amazon.com, Inc. (NasdaqGS: AMZN) by a substantial margin, according to a Form 13F filing with the SEC on October 15, 2026. The institutional investor added 8,320,599 shares during the quarter, bringing its total ownership to 26,153,008 shares.

What Changed in Assenagon Asset Management's Amazon.com Position

The reported value of Assenagon's stake reached approximately $6.52 billion following the 46.7% increase from its previous holdings of 17,832,409 shares. Because 13F filings look backward at holdings from the close of a reporting period, these numbers show past portfolio choices and may not reflect the fund's exact current share count today.

Other Institutional Activity in Amazon.com

Other large funds also adjusted their portfolios around the same reporting window. Blackrock Inc. grew its holdings by 12,871,805 shares, ending with 748,403,539 shares worth about $187.10 billion after a 1.8% increase. Vanguard Capital Management LLC grew its holdings by 4,607,444 shares, ending with 635,764,130 shares worth about $158.94 billion following a 0.7% increase. State Street Corporation grew its holdings by 6,754,482 shares, ending with 397,186,958 shares worth about $99.30 billion after a 1.7% increase. FMR, LLC grew its holdings by 6,958,810 shares, ending with 365,660,364 shares worth about $91.42 billion following a 1.9% increase. Geode Capital Management, LLC reduced its holdings by 23,324 shares, ending with 233,211,684 shares worth about $58.30 billion after a fractional decrease.

Amazon.com, Inc. Stock Down 1.7%

Amazon shares recently traded around $249.83 as of October 16, 2026. That price puts the stock 3.0% below its 50-day moving average of $257.52 and 3.0% above its 200-day moving average of $242.64. The stock trades 13.0% below its 52-week high of $287.20 and 27.5% above its 52-week low of $196.00.

Recent Earnings

Amazon reported trailing-twelve-month revenue of $775.68 billion alongside earnings of $12.43 per share. The company generated a net profit margin of 17.4% and a return on equity of 30.6%. The retail and cloud leader is scheduled to release its next financial results on October 29, 2026.

Insider Buying and Selling at Amazon.com, Inc.

Company insiders executed several stock sales over the late summer and early autumn. Matthew S. Garman sold shares valued at $3,766,920 on August 21, 2026. David A. Zapolsky sold shares worth $4,004,345 on August 24, 2026. Douglas J. Herrington sold 1,000 shares at an average price of $254.77 for a total of $254,770 on September 1, 2026, and later sold another 1,000 shares at $251.50 for $251,500 on October 1, 2026.

Analysts Set New Price Targets

Wall Street firms updated their views on the stock through late September and October. On September 30, 2026, Rosenblatt maintained a Buy rating and raised its target from $335.00 to $360.00. TD Cowen reiterated a Buy rating with a $350.00 target on October 5, 2026. Tigress Financial maintained a Buy rating and lifted its target from $315.00 to $385.00 on October 6, 2026. Wells Fargo maintained an Overweight rating while lowering its target from $338.00 to $329.00 on October 12, 2026. Cantor Fitzgerald maintained an Overweight rating and trimmed its target from $320.00 to $310.00 on the same day. Overall, the stock carries a consensus recommendation of strong buy with a mean price target of $331.46 across 58 analyst opinions.

About Amazon.com

Amazon.com operates as a massive global force in retail, advertising, and cloud computing. The company runs extensive online and physical storefronts alongside its dominant Amazon Web Services cloud infrastructure segment. It also builds and distributes consumer hardware devices while producing digital media content. Institutional adjustments by firms like Assenagon highlight ongoing shifts in how major asset managers position themselves within large-cap technology and consumer cyclicals.

Bottom Line

Investors will look toward Amazon's upcoming earnings report on October 29, 2026, for fresh updates on retail demand and cloud growth. Reviewing institutional reports like Form 13F provides valuable context on portfolio adjustments, though watchers should remember these disclosures describe past holdings rather than real-time trades. Keep in mind that 13F filings are backward-looking: they show holdings as of the end of the reporting quarter and may not represent the fund's current position.