5 Best Strong Buy Stocks to Invest In Under $20

2. TeraWulf Inc. (NASDAQ:WULF)

TeraWulf Inc. (NASDAQ:WULF) is one of the best strong buy stocks to invest in under $20. TeraWulf Inc. (NASDAQ:WULF) was initiated with a Buy rating by Arete on March 23, setting a price target of $30. The firm told investors in a research note that the company’s background in energy should allow it to capitalize on site expansion opportunities and behind-the-meter, with Arete seeing this supporting a notable megawatt expansion opportunity over time. It further stated that TeraWulf Inc. (NASDAQ:WULF) will shut its bitcoin mining operations down by the end of 2026. The firm views the stock’s shares as attractively valued at current share levels.

In its fiscal Q4 and full year 2025 results, TeraWulf Inc. (NASDAQ:WULF) reported that FY25 marked a fundamental inflection point for the company as it executed long-term data center lease agreements totaling 522 critical IT MW, providing stable cash-flow characteristics, multi-year revenue visibility, and scalable development capacity extending through the end of the decade.

Revenue for the full year 2025 was $168.5 million, while non-GAAP adjusted EBITDA reached $23.1 million. TeraWulf Inc. (NASDAQ:WULF) reported cash, cash equivalents, and restricted cash of $3,722.8 million as of December 31, 2025.

TeraWulf Inc. (NASDAQ:WULF) operates and owns data center infrastructure specifically designed for high-performance computing and Bitcoin mining. It primarily leverages environmentally sustainable and zero-carbon energy sources, such as hydroelectric and nuclear power, to power its Bitcoin mining and other operations.