SCHEDULE: Jane Street Group Amends Terawulf Stake

Jane Street Group, LLC, a prominent financial firm, has filed an amendment to its Schedule 13G, disclosing a 4.2% beneficial ownership stake in Terawulf Inc. as of December 31, 2025.

Summary

• Jane Street Group, LLC and its affiliates reported beneficial ownership of 17,677,746 shares of Terawulf Inc. common stock.
• This represents 4.2% of Terawulf Inc.'s outstanding common stock.
• The filing is an Amendment No. 1 to a Schedule 13G, indicating a change from a previous disclosure.
• The reporting entities include Jane Street Group, LLC (parent holding company), Jane Street Capital, LLC (broker/dealer), Jane Street Options, LLC (broker/dealer), Jane Street Global Trading, LLC (other), and Jane Street Singapore Pte. Limited (other).
• The securities were not acquired for the purpose of changing or influencing control of Terawulf Inc., as certified by the reporting persons.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as neutral to slightly negative. While continued institutional ownership is generally positive, the reduction below the 5% threshold (implied by an amendment reporting 4.2%) could be interpreted as a slight decrease in conviction or a rebalancing of portfolio holdings by a significant investor.

Positives

• Continued significant institutional ownership by a major financial firm like Jane Street Group, LLC, indicating ongoing market interest in Terawulf Inc.

Negatives

• The reported ownership of 4.2% is below the 5% threshold, which, as an amendment, implies a reduction in stake from a previous filing where ownership was likely 5% or greater.

Future Outlook

NA

Management Comments

• We certify that, to the best of our knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under Rule 240.14a-11.

Industry Context

StockSavvy.ai notes that the continued presence of a sophisticated trading firm like Jane Street Group on Terawulf's shareholder list, even with a slightly reduced stake (if this amendment reflects a decrease below 5%), indicates ongoing liquidity and interest in the stock from institutional players. Jane Street is known for its quantitative trading strategies and market-making activities.

Comparison to Industry Standards

• StockSavvy.ai observes that institutional ownership levels vary significantly across industries and company sizes. While a 4.2% stake from a single institutional group is notable, it is not uncommon for publicly traded companies to have a substantial portion of their shares held by various institutional investors.
• For example, companies like Riot Platforms or Marathon Digital Holdings, also in the Bitcoin mining sector, typically see significant institutional holdings, often exceeding 50% of their float. This level of ownership by Jane Street suggests a continued, albeit passive, investment interest in Terawulf, aligning with general trends of institutional participation in the digital asset infrastructure space.

Stakeholder Impact

• Shareholders: The disclosure provides transparency regarding a significant institutional holder's stake, which can influence market perception and liquidity. A potential reduction in stake might be viewed negatively by some.

Key Dates

Recommendation

The filing indicates a significant institutional investor, Jane Street Group, maintains a substantial, albeit passive, stake in Terawulf Inc. While the amendment suggests a reduction below the 5% threshold, which could be a minor negative signal, the continued presence of such a sophisticated firm on the shareholder list implies ongoing market interest. Without further information on the reasons for the stake adjustment or Terawulf's operational performance, a "hold" recommendation is appropriate, advising investors to monitor future filings and company performance for clearer directional signals.

Keywords

Terawulf Inc., Jane Street Group, LLC, Schedule 13G, beneficial ownership, common stock, institutional investor, financial filing, SEC