In this article, we will list the 5 Best Stocks in Leopold Aschenbrenner’s Portfolio. Please visit 10 Best Stocks in Leopold Aschenbrenner’s Portfolio if you’d like to see the extended list and the methodology behind it.
5. Core Scientific, Inc. (NASDAQ:CORZ)
Market value of shares owned: $389.1 Million
% of portfolio: 2.84%
Core Scientific, Inc. (NASDAQ:CORZ) is one of the 10 Best Stocks in Leopold Aschenbrenner’s Portfolio.

Jefferies raised its price target on Core Scientific, Inc. (NASDAQ:CORZ) from $24 to $37 on May 14, 2026. The firm’s analyst kept a Buy rating on the company’s stock. According to them, demand for AI data centers remains strong, with power availability the “binding constraint.” Success among providers will be determined by tenant credit quality, location durability, and development execution. Notably, Core Scientific, Inc. (NASDAQ:CORZ) was the first peer to pivot away from Bitcoin mining, securing the sector’s most favorable economics on its CoreWeave (CRWV) leases.
Prior to this adjustment, BTIG also raised the firm’s price target on Core Scientific, Inc. (NASDAQ:CORZ) from $23 to $33 on May 13, 2026. The firm’s analyst Gregory Lewis maintained a Buy rating on the shares. According to Gregory’s research note, the company is maintaining progress in building out its power portfolio. The firm further noted that the company has added 1.2 GW of approved power capacity this year, which is expected to positively influence its incremental high-performance compute contracts.
Founded in 2017, Core Scientific, Inc. (NASDAQ:CORZ) operates digital Bitcoin mining and high-performance computing infrastructure. Based in Delaware, the company leverages its own fleet of computers, called miners, to earn Bitcoin for its own account and also provides hosting services for Bitcoin mining and high-performance computing customers at US-based operational data centers.
4. IREN Limited (NASDAQ:IREN)
Market value of shares owned: $401 Million
% of portfolio: 2.93%
IREN Limited (NASDAQ:IREN) is one of the 10 Best Stocks in Leopold Aschenbrenner’s Portfolio.
On May 18, 2026, IREN Limited (NASDAQ:IREN) announced the acquisition of Awaken, a creative and media agency specializing in brand development for high-growth companies. Upon completion of the transaction, Awaken will cease all independent operations, and its team will integrate directly into IREN. Awaken’s Founder and CEO Chris Parker, who previously managed IREN Limited (NASDAQ:IREN)’s AI Cloud marketing initiatives, will join the firm post-transaction to spearhead its global brand and marketing strategy. With this in-house transition, the company aims to enhance its brand awareness and aggressively scale its platform across new customer segments in North America, Europe, and APAC.
In another development, on May 14, 2026, IREN Limited (NASDAQ:IREN) closed its private offering of $3 billion in 1.00% convertible senior notes due 2033. The total includes a fully exercised $400 million greenshoe option. The company intends to use the net proceeds of $2.96 billion to fund $201.3 million in capped call transactions to hedge dilution risk up to $110.30 per share, with the remainder allocated to general corporate purposes and working capital.
Founded in 2018, IREN Limited (NASDAQ:IREN) is an Australian company engaged in Bitcoin mining operations and committed to using renewable energy. The company operates decentralized, modular data centers across North America, leveraging long-term, low-cost hydro and wind power contracts to enhance scalability.
3. CoreWeave, Inc. (NASDAQ:CRWV)
Market value of shares owned: $556.1 Million
% of portfolio: 4.06%
CoreWeave, Inc. (NASDAQ:CRWV) is one of the 10 Best Stocks in Leopold Aschenbrenner’s Portfolio.
CoreWeave, Inc. (NASDAQ:CRWV) saw its rating downgraded by DA Davidson on May 18, 2026. Assuming coverage of the stock, the firm’s analyst, Gil Luria, downgraded the rating from Buy to Neutral while setting a price target of $100, down from $175. Optimistic about the compute outlook, DA Davidson noted that CoreWeave, Inc. (NASDAQ:CRWV) has become a key participant. However, the firm remains skeptical about the company’s ability to generate sufficient returns given its margin profile and high dependence on debt financing.
In another development, on the same day, CoreWeave, Inc. (NASDAQ:CRWV) closed a $3.1 billion delayed-draw term loan facility to fund the expansion of its AI cloud platform. The transaction signifies the first publicly syndicated HPC infrastructure-backed financing vehicle and expands the institutional investor base while enabling secondary market trading. The oversubscribed facility secured a Ba2 rating from Moody’s and a BB+ from Fitch. The firm will use the proceeds to purchase GPU infrastructure dedicated to two customer contracts. This brings the company’s total capital raised year-to-date to above $20 billion.
Founded in 2017 and headquartered in New Jersey, CoreWeave Inc. (NASDAQ:CRWV) is a software infrastructure company that offers the CoreWeave Cloud platform to deliver the automation & efficiency needed to manage AI infrastructure at scale.
2. Sandisk Corporation (NASDAQ:SNDK)
Market value of shares owned: $724.4 Million
% of portfolio: 5.29%
Sandisk Corporation (NASDAQ:SNDK) is one of the 10 Best Stocks in Leopold Aschenbrenner’s Portfolio.
On May 19, 2026, Citi raised its price target on Sandisk Corporation (NASDAQ:SNDK) from $1,300 to $2,025. The firm’s analyst maintained a Buy rating on the stock. Following Kioxia’s strong earnings report, the firm noted high storage demand and a highly favorable pricing environment. The analyst remains constructive on Sandisk, adding that its share buybacks could drive upside to earnings estimates.
Separately, Melius Research raised its price target on Sandisk Corporation (NASDAQ:SNDK) from $1,500 to $2,350 while maintaining a Buy rating on the stock on May 18, 2026. According to the analyst, the U.S. President’s trip to China did not yield any material impacts. However, the firm feels confident in memory and AI semiconductor makers, leading to higher long-term estimates and targets for Melius Research’s Buy-rated bottleneck stocks. The analyst believes that semiconductors will likely capture long-term market share and upside from traditional software firms and non-semiconductor companies within the Magnificent Seven group.
Founded in 1988, Sandisk Corporation (NASDAQ:SNDK) develops and manufactures data storage devices and solutions based on NAND flash technology. The California-based company’s offerings include solid-state drives, embedded products, removable cards, USB drives, and wafers and components, sold through consumer brands and global franchises.
1. Bloom Energy Corporation (NYSE:BE)
Market value of shares owned: $878.7 Million
% of portfolio: 6.42%
Bloom Energy Corporation (NYSE:BE) is one of the 10 Best Stocks in Leopold Aschenbrenner’s Portfolio.
Bloom Energy Corporation (NYSE:BE) and Nebius (NBIS) announced a partnership on May 20, 2026, that involves deploying clean fuel cell technology for a major AI infrastructure build-out. Nebius (NBIS) is an AI cloud company that builds full-stack platforms for developers and companies. Under the agreement, Bloom Energy Corporation (NYSE:BE) will provide 328 MW of behind-the-meter electricity planned to be operational this year. In addition to being highly efficient, the company’s modular fuel cells reduce emissions and water usage, aligning with Nebius’s strategy to scale AI infrastructure with a lower environmental footprint. Aman Joshi, Chief Commercial Officer, Bloom Energy Corporation (NYSE:BE) made the following statement:
Our partnership with AI cloud leader Nebius brings together Bloom’s clean fuel cell technology and AI-native infrastructure, and helps deliver a community-friendly, high-performance solution at scale.
Separately, on May 13, 2026, Bloom Energy Corporation (NYSE:BE) saw its price target adjusted by Clear Street. While maintaining a Hold rating on the stock, the firm raised its price target from $180 to $250. Clear Street shifted its price target based on its 2028 valuation and additionally cited limited upside for the Hold rating.
Founded in 2001, Bloom Energy Corporation (NYSE:BE) is an electrical equipment & parts company that specializes in solid oxide fuel cell systems for on-site power generation. The California-based company also provides Bloom Energy Servers to convert fuel into electricity.
While we acknowledge the potential of BE to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than BE and that has 100x upside potential, check out our report about the cheapest AI stock.
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