10 Stocks That Made Millionaires in Just a Week

Ten stocks capped off the past trading week with stellar and mostly double-digit gains, amid a mix of company-specific and positive macroeconomic developments bolstering investor appetite.

One of the firms, however, was notable for making investors millions, having soared by as much as 5,000 percent during the session.

In this article, we identified the 10 names that performed well in last week’s trading and broke down the reasons behind their gains.

To come up with the list, we considered only the stocks with at least $2 billion in market capitalization and 5 million shares in trading volume.

The stocks were chosen based on the percentage change in their closing prices on September 5 and 12, 2025.

The New York Stock Exchange building. Photo by Дмитрий Трепольский on Pexels

10. Bitdeer Technologies Group (NASDAQ:BTDR)

Bitdeer Technologies jumped by 30.77 percent week-on-week as investors cheered improved Bitcoin mining operations for last month.

In an updated report, Bitdeer Technologies Group (NASDAQ:BTDR) said it was able to mine 375 new Bitcoins in August, marking a 33 percent increase from 282 recorded in July.

During the period, the company operated at a self-mining hash rate of 30 EH/s, or an improvement from the 22 EH/s in July.

For October, Bitdeer Technologies Group (NASDAQ:BTDR) is targeting a 40 EH/s self-mining hash rate, which, it said, is currently “on track.”

“Over the coming quarters, we will continue expanding our ‘Sealminer’ fleet into our near-term global power capacity, putting us on track to become one of the largest vertically integrated miners in the world,” Chief Business Officer Matt Kong said.

In other news, Bitdeer Technologies Group (NASDAQ:BTDR) is set to pay $7.7 million of outstanding debt with the early redemption of its 8.5 percent convertible senior notes due 2029.

Under the terms, noteholders would be able to get the full principal amount, alongside accrued and unpaid interests, on September 23, 2025.

Noteholders also have the option to convert the notes into shares before the redemption date, equivalent to 127.9743 Class A shares for every $1,000 note.

The conversion includes upside of 10.9536 shares for every $1,000 principal amount, as a result of being called for cleanup redemption.

9. Bitmine Immersion Technologies, Inc. (NYSEAmerican:BMNR)

Bitmine Immersion climbed by 31.04 percent week-on-week after implementing another round of Ethereum acquisition that brought its total ownership of the crypto to $9 billion.

In a statement, Bitmine Immersion Technologies, Inc. (NYSEAmerican:BMNR) said its treasury now holds more than 2.06 million Ethereum tokens with an average price of $4,312 apiece, alongside 192 Bitcoins. It remains Ethereum’s largest holder date, and the second largest crypto treasury company next to Strategy Inc.

Outside the said assets, Bitmine Immersion Technologies, Inc. (NYSEAmerican:BMNR) is also expanding into Worldcoins (WLD) following its $20 million investment in Eightco Holdings Inc. (NASDAQ: OCTO), which recently made a foray into the said tokens.

Worldcoin, an ERC-20 token, captures a zero-knowledge proof of a person’s humanity, a critical asset in an increasingly agentic-AI world.

“BitMine wants to support and back innovative projects that create value for the Ethereum ecosystem. As an ERC-20 native token, World is aligned with Ethereum. World’s unique zero-knowledge Proof of Human credential could be essential to future trust and safety between technology platforms and the billions of human users,” said Bitmine Immersion Technologies, Inc. (NYSEAmerican:BMNR) Chairman Thomas Lee.

“We continue to believe Ethereum is one of the biggest macro trades over the next 10-15 years. Wall Street and AI moving onto the blockchain should lead to a greater transformation of today’s financial system. And the majority of this is taking place on Ethereum,” he added.