Zevenbergen Capital Investments LLC Sells 329,370 Shares of Amprius Technologies, Inc. $AMPX

Posted by Francis Steltz on Oct 8th, 2026

Zevenbergen Capital Investments LLC lessened its stake in Amprius Technologies, Inc. (NYSE:AMPX – Free Report) by 86.4% during the third quarter, according to its most recent filing with the Securities and Exchange Commission. The fund owned 52,050 shares of the company’s stock after selling 329,370 shares during the period. Zevenbergen Capital Investments LLC’s holdings in Amprius Technologies were worth $504,000 as of its most recent SEC filing.

Other institutional investors and hedge funds also recently made changes to their positions in the company. Tidal Investments LLC increased its stake in Amprius Technologies by 50.1% during the second quarter. Tidal Investments LLC now owns 30,975 shares of the company’s stock worth $429,000 after acquiring an additional 10,343 shares during the last quarter. Integrated Wealth Concepts LLC acquired a new position in shares of Amprius Technologies in the 2nd quarter valued at $92,000. Allworth Financial LP grew its holdings in shares of Amprius Technologies by 1,150.6% during the 2nd quarter. Allworth Financial LP now owns 4,527 shares of the company’s stock worth $63,000 after purchasing an additional 4,165 shares during the period. Arizona State Retirement System grew its holdings in shares of Amprius Technologies by 5.4% during the 2nd quarter. Arizona State Retirement System now owns 34,027 shares of the company’s stock worth $472,000 after purchasing an additional 1,743 shares during the period. Finally, Nykredit A S acquired a new stake in shares of Amprius Technologies during the 2nd quarter worth about $79,000. Institutional investors and hedge funds own 5.04% of the company’s stock.

Insider Transactions at Amprius Technologies

In other Amprius Technologies news, CEO Thomas M. Stepien sold 8,000 shares of the business’s stock in a transaction on Monday, August 24th. The shares were sold at an average price of $10.03, for a total value of $80,240.00. Following the completion of the sale, the chief executive officer directly owned 594,096 shares of the company’s stock, valued at $5,958,782.88. The trade was a 1.33% decrease in their ownership of the stock. The transaction was disclosed in a document filed with the SEC, which is available at the SEC website. The sale was made to cover tax withholding obligations related to the vesting of equity awards. Also, CTO Constantin Stefan sold 29,681 shares of the firm’s stock in a transaction dated Friday, August 21st. The shares were sold at an average price of $10.34, for a total value of $306,901.54. Following the transaction, the chief technology officer directly owned 771,629 shares in the company, valued at $7,978,643.86. This trade represents a 3.70% decrease in their ownership of the stock. The SEC filing for this sale provides additional information. The sale was made to cover tax withholding obligations related to the vesting of equity awards. In the last ninety days, insiders sold 123,311 shares of company stock worth $1,272,556. 5.10% of the stock is currently owned by insiders.

Amprius Technologies Price Performance

Shares of NYSE:AMPX traded up $0.10 during trading on Thursday, hitting $9.43. 5,093,690 shares of the company were exchanged, compared to its average volume of 7,698,986. Amprius Technologies, Inc. has a 52-week low of $7.71 and a 52-week high of $24.23. The stock has a 50 day moving average of $10.17 and a 200 day moving average of $14.04. The company has a market cap of $1.34 billion, a PE ratio of -32.52 and a beta of 2.33.

Wall Street Analyst Weigh In

A number of research analysts have commented on AMPX shares. JonesTrading began coverage on shares of Amprius Technologies in a research report on Friday, July 10th. They issued a “buy” rating and a $30.00 target price on the stock. Weiss Ratings restated a “sell (e+)” rating on shares of Amprius Technologies in a report on Friday, July 17th. National Bank Financial set a $18.00 price objective on shares of Amprius Technologies in a research report on Tuesday, September 29th. HC Wainwright reiterated a “buy” rating and issued a $18.00 target price on shares of Amprius Technologies in a report on Tuesday, September 29th. Finally, Zacks Research raised Amprius Technologies from a “strong sell” rating to a “hold” rating in a research report on Tuesday, August 4th. One equities research analyst has rated the stock with a Strong Buy rating, nine have given a Buy rating, one has assigned a Hold rating and one has given a Sell rating to the stock. According to MarketBeat, Amprius Technologies presently has an average rating of “Moderate Buy” and a consensus price target of $22.09.

View Our Latest Stock Report on AMPX

About Amprius Technologies

(Free Report)

Amprius Technologies, Inc develops and manufactures high-performance lithium-ion batteries using silicon nanowire anode technology. Its batteries are designed to provide greater energy density and power than conventional graphite-anode cells, supporting longer operating times and reduced weight for battery-powered systems.

The company’s products are intended for demanding applications including aerospace, defense, electric aviation, drones, high-altitude platforms, electric vehicles and other electric mobility systems.