Driehaus Capital Management Adds $5M in Eos Energy Enterprises, Inc. ($EOSE)

Driehaus Capital Management increased its holdings in Eos Energy Enterprises by nearly 600,000 shares.

Written by EarningsIQ · Published Jun 18, 2026, 4:54 AM EDT

Key Points

Driehaus Capital Management added 598,876 shares of Eos Energy Enterprises, Inc., bringing its total to 14.87 million shares valued at $113 million.
Eos Energy, trading on NasdaqCM under EOSE, has a market cap of $2.58 billion and a forward P/E ratio that isn't meaningful due to negative earnings.
Insiders, including CEO Joe Mastrangelo, were active in recent stock transactions, while analysts have varied price targets, with Needham initiating a 'buy' rating at $11.

Driehaus Capital Management has increased its position in Eos Energy Enterprises, Inc. (NasdaqCM: EOSE) by adding 598,876 shares. This boost brings its total holdings to 14,869,170 shares, valued at approximately $113 million, according to its latest 13F filing with the SEC, reflecting holdings as of the reporting period.

What Changed in Driehaus Capital Management's Eos Energy Enterprises Position

Driehaus Capital Management expanded its stake in Eos Energy Enterprises by about 4.2%, going from 14,270,294 shares to 14,869,170 shares. This move indicates a notable increase in confidence in the company, with the current holding valued at roughly $113 million.

Other Institutional Activity in Eos Energy Enterprises

BlackRock, Inc. increased its holdings in Eos Energy by 657,163 shares, reaching a total of 24,083,779 shares valued at about $119.5 million. Two Sigma Investments, LP made a substantial addition of 8,724,008 shares, bringing its total to 14,074,001 shares worth approximately $69.8 million. State Street Corp also grew its position by 328,089 shares, ending with 8,017,930 shares valued at nearly $39.8 million.

Eos Energy Enterprises Stock Snapshot

Shares of Eos Energy Enterprises, Inc. are trading around $7.60. The company has a market capitalization of approximately $2.58 billion. Despite its innovative energy storage solutions, the forward P/E ratio isn't meaningful due to the company's negative earnings. The stock has a 52-week range between $4.18 and $19.86, with a beta of 2.642, indicating higher volatility compared to the market.

Recent Earnings

Eos Energy Enterprises reported revenue of $160.7 million with a growth rate of 4.45%. However, the company is not yet profitable, with a net margin of -296.13%. The next earnings report is expected on July 29, 2026.

Insider Buying and Selling at Eos Energy Enterprises, Inc.

CEO Joe Mastrangelo was active in stock transactions on June 12, 2026, selling 116,646 shares at an average price of $6.06 and buying 200,000 shares at $1.34. CFO Alessandro Lagi also purchased 277,773 shares on June 8, 2026.

Analysts Set New Price Targets

On May 22, 2026, Needham initiated coverage of Eos Energy Enterprises with a 'buy' rating and a price target of $11. TD Cowen maintained a 'hold' rating with an $8 target on May 14, 2026. The consensus among analysts is a 'buy' recommendation with an average target price of $9.63.

About Eos Energy Enterprises

Eos Energy Enterprises, Inc., headquartered in Edison, New Jersey, is in the industrial sector, specializing in electrical equipment and parts. The company designs and manufactures energy storage solutions, including the Znyth technology battery system, which serves utility-scale and commercial applications. Under the leadership of CEO Joseph R. Mastrangelo Jr., Eos Energy aims to provide alternatives to conventional battery technologies.

Bottom Line

Driehaus Capital Management's increased stake in Eos Energy Enterprises reflects a strategic investment in the company's potential within the energy storage market. Investors track such filings to gauge institutional confidence, although these reports are backward-looking and may not reflect current holdings. With ongoing insider activity and varied analyst opinions, Eos Energy remains a company to watch in the energy sector.