SCHEDULE 13G/A: Sculptor Capital Discloses 7.31% Stake in D Boral ARC

Sculptor Capital and its affiliates have reported a 7.31% beneficial ownership stake in D Boral ARC Acquisition I Corp as of September 30, 2025.

Summary

• Sculptor Capital LP and its affiliated entities (Sculptor Capital II LP, Sculptor Capital Holding Corp, Sculptor Capital Holding II LLC, Sculptor Capital Management, Inc., Sculptor Master Fund, Ltd., and Sculptor Special Funding, LP) collectively reported beneficial ownership of 2,134,886 units of D Boral ARC Acquisition I Corp.
• This ownership represents 7.31% of the Class A ordinary shares outstanding.
• The percentage of class was calculated based on 29,200,000 Common Shares outstanding, as reported in the Issuer's 10-Q filed on November 5, 2025.
• The reporting persons hold shared voting power and shared dispositive power over all 2,134,886 units.
• This filing is an Amendment No. 1 to a Schedule 13G, indicating a change from a previously filed statement.

Sentiment

Score: 6

Explanation: The filing is a factual disclosure of beneficial ownership by a large investment manager. While the presence of a significant institutional investor can be viewed positively, the filing itself does not contain performance-related information to warrant a strong positive or negative sentiment.

Positives

• A significant institutional investor, Sculptor Capital, holds a substantial stake, which can be interpreted as a signal of confidence in the issuer's prospects.
• The shared voting and dispositive power across multiple Sculptor entities indicates a coordinated and strategic investment approach.

Future Outlook

NA

Industry Context

This filing indicates that a significant investment manager, Sculptor Capital, maintains a notable position in D Boral ARC Acquisition I Corp, which appears to be a Special Purpose Acquisition Company (SPAC) given its name and the composition of its units (shares and warrants). Such disclosures are common for SPACs as institutional investors often take positions in anticipation of a business combination or de-SPAC transaction.

Comparison to Industry Standards

• A 7.31% stake is a significant position for an institutional investor in a public company, placing Sculptor Capital among the top shareholders.
• This level of ownership is typical for active investment funds seeking influence or substantial returns in their portfolio companies, particularly in the SPAC sector.
• Compared to other institutional holdings in SPACs, a 7.31% stake is a material position that could influence shareholder votes related to a de-SPAC transaction or other corporate actions.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional holder (Sculptor Capital) may provide a degree of confidence or signal potential future engagement from a large investor.
• Management: Management of D Boral ARC Acquisition I Corp will be aware of a significant institutional shareholder, which could influence strategic decisions or engagement.

Key Dates

Keywords

D Boral ARC Acquisition I Corp, Sculptor Capital, Beneficial Ownership, Schedule 13G, Investment Management, Class A ordinary shares, Warrants, Institutional Investor, Equity Stake