Quantbot Technologies LP Takes Position in Amprius Technologies, Inc. $AMPX

Key Points

• Quantbot Technologies LP opened a new position in Amprius during Q3, buying 131,922 shares worth about $1.39 million and representing roughly 0.11% of the company.
• Operational momentum: Amprius beat Q4 expectations with $25.23M revenue (~137% YoY) and its first positive adjusted EBITDA, then guided to roughly $125M revenue for FY2026 and a narrowed EPS loss (~‑$0.06), spurring analyst upgrades and a consensus “Moderate Buy” with a ~$16.63 target.
• Risks remain: insiders have sold sizable stakes (about 2.39M shares in the past 90 days), and the company is still unprofitable with a sizable net loss, negative margins, and elevated volatility.

Quantbot Technologies LP bought a new position in shares of Amprius Technologies, Inc. (NYSE:AMPX - Free Report) during the third quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The fund bought 131,922 shares of the company's stock, valued at approximately $1,388,000. Quantbot Technologies LP owned approximately 0.11% of Amprius Technologies at the end of the most recent quarter.

Other large investors have also added to or reduced their stakes in the company. Bank of America Corp DE increased its stake in Amprius Technologies by 31.1% during the 4th 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. Jones Financial Companies Lllp grew its stake in shares of Amprius Technologies by 353.2% during the third quarter. Jones Financial Companies Lllp now owns 4,532 shares of the company's stock valued at $50,000 after acquiring an additional 3,532 shares in the last quarter. Rhumbline Advisers increased its position in shares of Amprius Technologies by 61.1% during the first quarter. Rhumbline Advisers now owns 15,690 shares of the company's stock worth $42,000 after acquiring an additional 5,951 shares during the last quarter. Geneos Wealth Management Inc. acquired a new position in shares of Amprius Technologies in the third quarter worth about $74,000. Finally, Ameritas Investment Partners Inc. boosted its holdings in Amprius Technologies by 2,043.2% in the second quarter. Ameritas Investment Partners Inc. now owns 9,516 shares of the company's stock valued at $40,000 after purchasing an additional 9,072 shares during the last quarter. 5.04% of the stock is owned by institutional investors and hedge funds.

Amprius Technologies Trading Up 18.6%

AMPX stock opened at $14.88 on Friday. The stock's 50 day simple moving average is $10.71 and its 200 day simple moving average is $10.63. Amprius Technologies, Inc. has a 12-month low of $1.70 and a 12-month high of $16.03. The firm has a market cap of $1.94 billion, a P/E ratio of -43.76 and a beta of 3.04.

Amprius Technologies (NYSE:AMPX - Get Free Report) last released its earnings results on Wednesday, March 4th. The company reported ($0.01) earnings per share for the quarter, beating the consensus estimate of ($0.04) by $0.03. The firm had revenue of $25.23 million during the quarter, compared to analyst estimates of $22.91 million. Amprius Technologies had a negative net margin of 60.30% and a negative return on equity of 25.77%. Amprius Technologies has set its FY 2026 guidance at --0.060 EPS. On average, research analysts forecast that Amprius Technologies, Inc. will post -0.45 EPS for the current fiscal year.

Wall Street Analysts Forecast Growth

AMPX has been the subject of a number of recent analyst reports. Cantor Fitzgerald raised their price objective on Amprius Technologies from $12.00 to $16.00 and gave the company an "overweight" rating in a research note on Friday, November 7th. Weiss Ratings reissued a "sell (e+)" rating on shares of Amprius Technologies in a research report on Wednesday, January 21st. Oppenheimer restated an "outperform" rating and issued a $17.00 price target on shares of Amprius Technologies in a research note on Tuesday, December 23rd. Needham & Company LLC began coverage on shares of Amprius Technologies in a research note on Thursday, January 29th. They set a "buy" rating and a $20.00 price objective on the stock. Finally, Craig Hallum began coverage on shares of Amprius Technologies in a report on Monday, February 23rd. They set a "buy" rating and a $17.00 price objective for the company. Eight investment analysts have rated the stock with a Buy rating and one has given a Sell rating to the company. Based on data from MarketBeat.com, the company presently has a consensus rating of "Moderate Buy" and a consensus price target of $16.63.

Insider Transactions at Amprius Technologies

In related news, Director Kang Sun sold 61,251 shares of the stock in a transaction dated Monday, February 23rd. The shares were sold at an average price of $10.16, for a total transaction of $622,310.16. Following the sale, the director owned 1,342,400 shares in the company, valued at $13,638,784. This represents a 4.36% decrease in their ownership of the stock. The transaction was disclosed in a legal filing with the Securities & Exchange Commission, which is available through this hyperlink. Also, 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 value of $257,718.56. Following the completion of the transaction, the chief technology officer 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 ownership of the stock. The disclosure for this sale is available in the SEC filing. In the last ninety days, insiders have sold 2,392,269 shares of company stock valued at $26,384,359. Insiders own 12.90% of the company's stock.

Key Headlines Impacting Amprius Technologies

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

• Positive Sentiment: Q4 beat and operational improvement — Amprius posted Q4 revenue of ~$25.2M (≈137% YoY) and the company reported its first positive adjusted EBITDA, beating revenue and EPS expectations. This drove renewed investor confidence. Q4 Results Press Release
• Positive Sentiment: Strong 2026 guidance — Management guided to roughly $125M revenue for FY2026 (≈71% growth) and narrowed the EPS loss outlook (FY26 EPS guidance of about -$0.06 vs. consensus around -$0.12), suggesting continued top‑line acceleration and margin progress. Guidance & Outlook
• Positive Sentiment: Supply‑chain and commercial traction — Amprius is expanding to NDAA‑compliant contract manufacturers (several South Korean partners and one U.S. manufacturer) to support defense and commercial demand, which could unlock higher‑margin government contracts. NDAA Supply Chain Expansion
• Positive Sentiment: Bullish market signals — Elevated call‑option buying and heavy share volume, plus analysts raising targets and incremental institutional buying, have amplified the rally and may fuel momentum in the near term.
• Neutral Sentiment: One‑time charge — The company took a one‑time charge tied to a discontinued Colorado lease as it pivots to contract manufacturing; management says it improves cash‑flow visibility but is a non‑recurring drag on results. One-time Charge Mention
• Negative Sentiment: Still unprofitable and cash‑burning — Despite improvements, Amprius reported a substantial net loss ($24.4M for the period) and negative margins; the company continues to consume cash and remains a growth‑stage, high‑risk investment. Financial Results & Losses
• Negative Sentiment: Volatility and execution risk — Elevated short interest, speculative options flows and a small institutional base make the stock volatile; upside depends on execution (scaling production, margin sustainment) and conversion of pipeline into recurring revenue.

About Amprius Technologies

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.

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