Renaissance Technologies LLC Increases Stake in Amprius Technologies, Inc. $AMPX

Renaissance Technologies LLC boosted its stake in shares of Amprius Technologies, Inc. (NYSE:AMPX) by 218.7% during the 1st quarter, Holdings Channel reports. The firm owned 359,525 shares of the company’s stock after acquiring an additional 246,700 shares during the quarter. Renaissance Technologies LLC’s holdings in Amprius Technologies were worth $6,062,000 as of its most recent filing with the Securities and Exchange Commission.

A number of other hedge funds and other institutional investors have also made changes to their positions in AMPX. Bank of America Corp DE lifted its stake in shares of Amprius Technologies by 31.1% during the fourth quarter. Bank of America Corp DE now owns 12,890 shares of the company’s stock worth $36,000 after buying an additional 3,055 shares during the period. AQR Capital Management LLC lifted its position in Amprius Technologies by 86.7% during the 1st quarter. AQR Capital Management LLC now owns 77,764 shares of the company’s stock worth $208,000 after acquiring an additional 36,116 shares during the period. Millennium Management LLC grew its stake in Amprius Technologies by 94.5% during the 1st quarter. Millennium Management LLC now owns 1,396,013 shares of the company’s stock valued at $3,741,000 after purchasing an additional 678,442 shares during the last quarter. Goldman Sachs Group Inc. grew its stake in Amprius Technologies by 128.6% during the 1st quarter. Goldman Sachs Group Inc. now owns 244,646 shares of the company’s stock valued at $656,000 after purchasing an additional 137,640 shares during the last quarter. Finally, Rhumbline Advisers increased its holdings in shares of Amprius Technologies by 61.1% in the first quarter. Rhumbline Advisers now owns 15,690 shares of the company’s stock valued at $42,000 after purchasing an additional 5,951 shares during the period. Hedge funds and other institutional investors own 5.04% of the company’s stock.

Amprius Technologies Stock Up 7.2%

Amprius Technologies stock opened at $10.85 on Wednesday. The business’s 50-day moving average price is $13.96 and its 200 day moving average price is $14.92. The firm has a market cap of $1.54 billion, a price-to-earnings ratio of -36.17 and a beta of 2.33. Amprius Technologies, Inc. has a 52 week low of $6.36 and a 52 week high of $24.23.

Amprius Technologies (NYSE:AMPX) last posted its earnings results on Wednesday, May 6th. The company reported ($0.04) earnings per share for the quarter, missing the consensus estimate of ($0.02) by ($0.02). The firm had revenue of $28.54 million for the quarter, compared to analysts’ expectations of $25.72 million. Amprius Technologies had a negative net margin of 43.98% and a negative return on equity of 17.48%. Amprius Technologies has set its FY 2026 guidance at –0.060 EPS. Equities analysts expect that Amprius Technologies, Inc. will post -0.07 EPS for the current year.

Insiders Place Their Bets

In related news, Director Donald R. Dixon sold 85,000 shares of Amprius Technologies stock in a transaction on Monday, June 15th. The shares were sold at an average price of $17.17, for a total value of $1,459,450.00. Following the sale, the director owned 359,380 shares of the company’s stock, valued at approximately $6,170,554.60. This trade represents a 19.13% decrease in their position. The transaction was disclosed in a legal filing with the Securities & Exchange Commission, which can be accessed through the SEC website. Also, Director Kang Sun sold 67,796 shares of the business’s stock in a transaction on Thursday, May 21st. The stock was sold at an average price of $14.79, for a total transaction of $1,002,702.84. Following the completion of the sale, the director directly owned 1,280,854 shares of the company’s stock, valued at approximately $18,943,830.66. The trade was a 5.03% decrease in their position. Additional details regarding this sale are available in the official SEC disclosure. The sale was made to cover tax withholding obligations related to the vesting of equity awards. Over the last quarter, insiders have sold 310,144 shares of company stock worth $5,049,997. Corporate insiders own 5.10% of the company’s stock.

Analyst Ratings Changes

AMPX has been the subject of a number of research reports. Weiss Ratings reaffirmed a “sell (e+)” rating on shares of Amprius Technologies in a report on Friday, July 17th. Northland Securities set a $24.00 price target on shares of Amprius Technologies in a research report on Monday, May 11th. Wall Street Zen downgraded shares of Amprius Technologies from a “hold” rating to a “sell” rating in a report on Saturday, May 9th. Clear Str started coverage on shares of Amprius Technologies in a research note on Tuesday, June 2nd. They issued a “strong-buy” rating and a $33.00 price objective on the stock. Finally, Roth Capital reissued a “buy” rating on shares of Amprius Technologies in a report on Friday, May 8th. One research analyst has rated the stock with a Strong Buy rating, nine have issued a Buy rating and two have assigned a Sell rating to the company’s stock. According to data from MarketBeat.com, the company presently has a consensus rating of “Moderate Buy” and an average target price of $22.50.

Trending Headlines about Amprius Technologies

Here are the key news stories impacting Amprius Technologies this week:

• Positive Sentiment: Second-quarter revenue rose 125.9% year over year to approximately $34.0 million, exceeding analyst estimates of roughly $29.3 million-$29.9 million. Gross profit also improved significantly to $9.3 million, suggesting stronger product economics as silicon-anode battery adoption expands. Amprius Technologies Reports Second Quarter 2026 Financial Results and Recent Business Highlights
• Positive Sentiment: Amprius ended the quarter with $74.5 million in cash and equivalents, while total liabilities declined to $23.5 million. The balance-sheet improvement provides additional flexibility to fund production expansion and customer programs, although operating cash flow remained negative at $2.9 million. Amprius Technologies Reports Second Quarter 2026 Financial Results and Recent Business Highlights
• Positive Sentiment: The revenue beat and sharp year-over-year growth reinforce the investment case built around customer wins and increasing SiCore battery adoption. Analysts cited in the coverage have a median price target of $20.50, well above the recent trading level, though targets are not guarantees. Amprius Technologies Set to Report Q2 Earnings
• Neutral Sentiment: Amprius still reported a substantial net loss attributable to common shareholders—approximately $5.1 million, including a $1.9 million non-cash item—and an operating loss of about $4.3 million. Per-share results varied by reporting measure, ranging from a $0.03 loss in Zacks’ coverage to a $0.04 loss in third-party data, while the company remains unprofitable.
• Negative Sentiment: Operating cash flow was negative and capital spending totaled $1.8 million, underscoring the company’s ongoing need to convert rapid revenue growth into sustainable profitability and cash generation.
• Negative Sentiment: Quiver reported 22 insider sales and no insider purchases over the past six months. Such selling may weigh on sentiment, although it does not necessarily indicate a change in the company’s operating outlook.

Amprius Technologies Profile

Amprius Technologies, Inc (NYSE: AMPX) is a U.S.-based developer of high-energy-density lithium-ion batteries that leverage silicon anode technology to deliver performance levels beyond conventional graphite-based cells. The company’s batteries are designed to offer industry-leading gravimetric energy density, enabling longer run times and reduced weight for portable power applications. Amprius blends advanced materials science and scalable manufacturing processes to commercialize next-generation battery solutions.

At the core of Amprius’ product portfolio are cylindrical and prismatic cells that employ a proprietary silicon nanowire anode, which supports high charge/discharge rates while maintaining cycle life.