D. Boral Acquisition I Corp. ownership disclosure: Magnetar Financial LLC and affiliated reporting persons each report beneficial ownership of 1,750,000 Class A ordinary shares as of March 31, 2026, representing approximately 5.65% of the outstanding shares. The holdings are held across specified Magnetar funds and were reported pursuant to a joint filing agreement.
Positive
None.
Negative
None.
Insights
Large passive stake disclosed across multiple Magnetar funds.
Magnetar Financial and affiliated entities report shared voting and dispositive power over 1,750,000 shares each, allocated among eight named funds. The filing cites 30,950,000 shares outstanding (Form 10-K basis) to compute a 5.65% position.
The position is categorized as shared control across adviser/holding-company structures; timing and disposition intentions are not stated in the excerpt, so future activity will depend on fund decisions and any subsequent filings.
Key Figures
Reported shares beneficially owned:1,750,000 sharesPercent of class:5.65%Shares outstanding (basis):30,950,000 shares+3 more
6 metrics
Reported shares beneficially owned1,750,000 sharesAs of March 31, 2026
Percent of class5.65%Calculated using Form 10-K outstanding shares
Shares outstanding (basis)30,950,000 sharesIssuer's Form 10-K filed April 1, 2026
Largest single fund holding420,000 sharesStructured Credit Fund allocation listed in filing
Second-largest fund holding367,500 sharesConstellation Master Fund allocation listed in filing
Smallest fund holding17,500 sharesCapital Master Fund allocation listed in filing
"As of March 31, 2026, each of Magnetar Financial ... held 1,750,000 Shares"
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
shared dispositive powerregulatory
"Shared Dispositive Power 1,750,000.00"
Schedule 13Gregulatory
"form_type: SCHEDULE 13G"
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
Rule 13d-3(d)(1)(i)regulatory
"represent approximately 5.65% ... (calculated pursuant to Rule 13d-3(d)(1)(i))"
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
D. BORAL ACQUISITION I CORP.
(Name of Issuer)
Class A ordinary shares, par value $0.0001
(Title of Class of Securities)
G2616T127
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
G2616T127
1
Names of Reporting Persons
MAGNETAR FINANCIAL LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,750,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,750,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,750,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.65 %
12
Type of Reporting Person (See Instructions)
IA, OO
SCHEDULE 13G
CUSIP Number(s):
G2616T127
1
Names of Reporting Persons
MAGNETAR CAPITAL PARTNERS LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,750,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,750,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,750,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.65 %
12
Type of Reporting Person (See Instructions)
HC, PN
SCHEDULE 13G
CUSIP Number(s):
G2616T127
1
Names of Reporting Persons
SUPERNOVA MANAGEMENT LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,750,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,750,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,750,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.65 %
12
Type of Reporting Person (See Instructions)
HC, OO
SCHEDULE 13G
CUSIP Number(s):
G2616T127
1
Names of Reporting Persons
DAVID J. SNYDERMAN
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,750,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,750,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,750,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.65 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
D. BORAL ACQUISITION I CORP.
(b)
Address of issuer's principal executive offices:
590 Madison Avenue, New York, NY 10022
Item 2.
(a)
Name of person filing:
This statement is filed on behalf of each of the following person (collectively, the "Reporting Persons"):
i) Magnetar Financial LLC ("Magnetar Financial");
ii) Magnetar Capital Partners LP ("Magnetar Capital Partners");
iii) Supernova Management LLC ("Supernova Management"); and
iv) David J. Snyderman ("Mr. Snyderman").
This statement relates to the Shares (as defined herein) held for Magnetar Constellation Master Fund, Ltd ("Constellation Master Fund"), Magnetar Xing He Master Fund Ltd ("Xing He Master Fund"), Magnetar Capital Master Fund Ltd ("Capital Master Fund"), all Cayman Islands exempted companies; Magnetar Structured Credit Fund, LP ("Structured Credit Fund"), a Delaware limited partnership; Magnetar Alpha Star Fund LLC ("Alpha Star Fund"), Magnetar Lake Credit Fund LLC ("Lake Credit Fund"), Purpose Alternative Credit Fund - T LLC ("Purpose Alternative Credit Fund - T"), and Magnetar Waterfront Series A LLC ("Waterfront Series A Fund"), all Delaware limited liability companies; collectively (the "Magnetar Funds"). Magnetar Financial serves as the investment adviser to the Magnetar Funds, and as such, Magnetar Financial exercises voting and investment power over the Shares held for the Magnetar Funds' accounts. Magnetar Capital Partners serves as the sole member and parent holding company of Magnetar Financial. Supernova Management is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is Mr. Snyderman.
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of each of Magnetar Financial, Magnetar Capital Partners, Supernova Management, and Mr. Snyderman is 1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201.
(c)
Citizenship:
Place of Organization.
i) Magnetar Financial is a Delaware limited liability company;
ii) Magnetar Capital Partners is a Delaware limited partnership;
iii) Supernova Management is a Delaware limited liability company; and
iv) Mr. Snyderman is a citizen of the United States of America.
(d)
Title of class of securities:
Class A ordinary shares, par value $0.0001
(e)
CUSIP Number(s):
G2616T127
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
As of March 31, 2026, each of Magnetar Financial, Magnetar Capital Partners, Supernova Management and Mr. Snyderman held 1,750,000 Shares. The amount consists of (A) 367,500 Shares held for the account of Constellation Master Fund; (B) 280,000 Shares held for the account of Lake Credit Fund; (C) 420,000 Shares held for the account of Structured Credit Fund; (D) 262,500 Shares held for the account of Xing He Master Fund; (E) 315,000 Shares held for the account of Alpha Star Fund; (F) 17,500 Shares held for the account of Capital Master Fund; (G) 52,500 shares held for the account of Waterfront Series A Fund; and (H) 35,000 Shares held for the account Purpose Alternative Credit Fund - T.
The Shares held by the Magnetar Funds represent approximately 5.65% of the total number of Shares outstanding (calculated pursuant to Rule 13d-3(d)(1)(i)) of the outstanding shares of the Issuer).
(b)
Percent of class:
As of March 31, 2026, each of the Reporting Persons were deemed to be the beneficial owner constituting approximately 5.65% of the total number of shares outstanding (based upon the information provided by the Issuer in the Form 10-K filed on April 1, 2026 there were approximately 30,950,000 Shares outstanding).
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
1,750,000
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
1,750,000
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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 ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
MAGNETAR FINANCIAL LLC
Signature:
/s/ Hayley Stein
Name/Title:
Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
Date:
05/13/2026
MAGNETAR CAPITAL PARTNERS LP
Signature:
/s/ Hayley Stein
Name/Title:
Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
Date:
05/13/2026
SUPERNOVA MANAGEMENT LLC
Signature:
/s/ Hayley Stein
Name/Title:
Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
Date:
05/13/2026
DAVID J. SNYDERMAN
Signature:
/s/ Hayley Stein
Name/Title:
Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
Date:
05/13/2026
Comments accompanying signature: MAGNETAR FINANCIAL LLC BY: Magnetar Capital Partners LP, its Sole Member BY: Supernova Management LLC, its General Partner
MAGNETAR CAPITAL PARTNERS LP By: Supernova Management LLC, its General Partner
Exhibit Information
99.1 Joint Filing Agreement, dated as of May 13, 2026, among the Reporting Persons.
99.2 Power of Attorney, dated as of December 22, 2022 filed by the Reporting Persons on May 13, 2026.
What stake does Magnetar report in D. Boral Acquisition I Corp. (DBCA)?
Magnetar reports beneficial ownership of 1,750,000 shares as of March 31, 2026. The filing states this equals approximately 5.65% of the company's outstanding shares, based on the issuer's Form 10-K.
How is Magnetar's 1,750,000-share position allocated among its funds?
The filing breaks the position into eight accounts: 367,500, 280,000, 420,000, 262,500, 315,000, 17,500, 52,500, and 35,000 shares across the named Magnetar funds.
What voting and disposition power does Magnetar claim over these shares?
Each Reporting Person discloses 0 sole voting/dispositive power and 1,750,000 shared voting and shared dispositive power, indicating collective control through adviser/affiliate relationships.
What outstanding share count does the filing use to calculate the 5.65% figure?
The filing references the issuer's Form 10-K filed on April 1, 2026, stating approximately 30,950,000 shares outstanding as the basis for the 5.65% calculation.
Which entities jointly filed this Schedule 13G for the Magnetar position?
The joint filing is made by Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman, with a Joint Filing Agreement and Power of Attorney referenced as exhibits.
