Amprius Technologies (NYSE:AMPX) Stock Price Down 1.9% – Here’s Why

Shares of Amprius Technologies, Inc. (NYSE:AMPX) were down 1.9% on Thursday . The stock traded as low as $17.69 and last traded at $18.2450. Approximately 10,663,625 shares traded hands during trading, an increase of 15% from the average daily volume of 9,261,216 shares. The stock had previously closed at $18.59.

Amprius Technologies News Roundup

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

• Positive Sentiment: Needham & Company reaffirmed a Buy rating on AMPX, supporting continuing institutional confidence in Amprius’ growth prospects and keeping demand for the stock elevated. Needham & Company LLC Reaffirms Buy Rating for Amprius Technologies (NYSE:AMPX)
• Positive Sentiment: Northland Securities raised its near-term EPS forecasts and materially improved its FY2026 outlook (now about ($0.08) vs prior ($0.14)), trimming expected losses across Q1–Q3 2026. The upgrades signal improving analyst expectations for operating performance and reduce downside to consensus estimates. What is Northland Securities’ Forecast for AMPX Q4 Earnings?
• Positive Sentiment: B. Riley’s analyst commentary flagged that AMPX’s stock price is expected to rise, adding another institutional bullish view that can support investor interest. Amprius Technologies (NYSE:AMPX) Stock Price Expected to Rise, B. Riley Financial Analyst Says
• Neutral Sentiment: Amprius reported a recent quarter where it beat revenue and EPS estimates (revenue ~$25.2M; EPS approx. ($0.01) vs. consensus ($0.04)), demonstrating top-line traction but still posting losses — a mixed fundamental print that supports upside but leaves profitability questions. (Company filings / recent earnings release)
• Negative Sentiment: Amprius remains unprofitable with a negative net margin and negative ROE; consensus still shows a substantial FY loss (street consensus ~($0.45) for the year). The stock has a high beta and elevated volume, so it’s prone to sharp swings on headlines or analyst shifts — a key risk for investors. (Market context: negative P/E, high volatility)

Wall Street Analyst Weigh In

AMPX has been the topic of a number of research reports. B. Riley Financial lifted their price target on shares of Amprius Technologies from $16.00 to $22.00 and gave the company a “buy” rating in a research note on Monday. Oppenheimer reissued an “outperform” rating and set a $17.00 price target on shares of Amprius Technologies in a research report on Tuesday, December 23rd. Weiss Ratings reissued a “sell (e+)” rating on shares of Amprius Technologies in a research report on Wednesday, January 21st. Cantor Fitzgerald lifted their target price on Amprius Technologies from $16.00 to $20.00 and gave the stock an “overweight” rating in a research note on Friday, March 6th. Finally, William Blair reaffirmed an “outperform” rating on shares of Amprius Technologies in a report on Friday, March 6th. Eight equities research analysts have rated the stock with a Buy rating and one has issued a Sell rating to the stock. According to data from MarketBeat.com, the company has an average rating of “Moderate Buy” and a consensus target price of $19.75.

Amprius Technologies Price Performance

The company’s 50-day moving average is $11.49 and its two-hundred day moving average is $10.95. The firm has a market cap of $2.38 billion, a P/E ratio of -53.66 and a beta of 3.04.

Amprius Technologies (NYSE:AMPX) last announced its quarterly earnings data on Wednesday, March 4th. The company reported ($0.01) earnings per share (EPS) for the quarter, beating analysts’ consensus estimates of ($0.04) by $0.03. The business had revenue of $25.23 million for the quarter, compared to analysts’ expectations of $22.91 million. Amprius Technologies had a negative net margin of 60.30% and a negative return on equity of 24.29%. Amprius Technologies has set its FY 2026 guidance at –0.060 EPS. On average, analysts expect that Amprius Technologies, Inc. will post -0.45 EPS for the current fiscal year.

Insider Buying and Selling

In related news, CTO Constantin Ionel Stefan sold 25,366 shares of Amprius Technologies stock in a transaction that occurred on Monday, February 23rd. The shares were sold at an average price of $10.16, for a total transaction of $257,718.56. Following the sale, the chief technology officer directly owned 723,330 shares of the company’s stock, valued at approximately $7,349,032.80. The trade was a 3.39% decrease in their position. The sale was disclosed in a document filed with the SEC, which is available through this hyperlink. Also, Director Kang Sun sold 61,251 shares of the business’s stock in a transaction on Monday, February 23rd. The stock was sold at an average price of $10.16, for a total transaction of $622,310.16. Following the sale, the director directly owned 1,342,400 shares in the company, valued at approximately $13,638,784. The trade was a 4.36% decrease in their position. The SEC filing for this sale provides additional information. Over the last 90 days, insiders sold 2,194,014 shares of company stock worth $24,300,699. 12.90% of the stock is currently owned by corporate insiders.

Institutional Trading of Amprius Technologies

Institutional investors and hedge funds have recently bought and sold shares of the stock. Stephens Investment Management Group LLC bought a new position in Amprius Technologies during the 3rd quarter worth approximately $11,392,000. Vanguard Group Inc. boosted its position in Amprius Technologies by 37.0% during the third quarter. Vanguard Group Inc. now owns 6,512,620 shares of the company’s stock valued at $68,513,000 after acquiring an additional 1,757,395 shares during the last quarter. Baird Financial Group Inc. boosted its position in Amprius Technologies by 99.9% during the second quarter. Baird Financial Group Inc. now owns 1,000,711 shares of the company’s stock valued at $4,213,000 after acquiring an additional 500,212 shares during the last quarter. Calamos Advisors LLC acquired a new stake in Amprius Technologies during the 3rd quarter worth about $1,799,000. Finally, Jupiter Asset Management Ltd. bought a new position in shares of Amprius Technologies in the 3rd quarter worth about $2,098,000. 5.04% of the stock is currently owned by institutional investors and hedge funds.

Amprius Technologies Company 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.