Churchill Capital Corp XI ownership disclosure: BlueCrest Capital Management Limited and Michael Platt report beneficial ownership of 2,354,233 Class A Ordinary Shares of Churchill Capital Corp XI, representing 5.6% of the class, held for the account of BSMA Limited. The filing identifies sole voting and sole dispositive power over those shares.
The reporting persons are the Jersey-based Investment Manager and Mr. Platt (a U.K. citizen). Signatures are dated 07/03/2026.
Positive
None.
Negative
None.
Insights
Filing reports a passive beneficial ownership stake of 5.6% by BlueCrest/Platt.
The Schedule 13G lists 2,354,233 shares and attributes sole voting and dispositive power to the Investment Manager and Michael Platt for shares held for the account of BSMA Limited. The filing identifies the reporting persons and jurisdictional details.
Because this is a 13G disclosure, it reflects beneficial ownership reporting rather than an announced transaction; subsequent filings would show changes in the position.
Key Figures
Beneficial ownership:2,354,233 sharesPercent of class:5.6%Par value:$0.0001 par value+3 more
6 metrics
Beneficial ownership2,354,233 sharesClass A Ordinary Shares reported in Schedule 13G
Percent of class5.6%Percent of Class A Ordinary Shares as reported
Par value$0.0001 par valueClass A Ordinary Shares par value
CUSIPG2131A124Identifies the Class A Ordinary Shares
Ownership date06/26/2026Date associated with reported holdings
Signature date07/03/2026Date signatures were executed on the filing
Key Terms
Schedule 13G, beneficially own, sole dispositive power
3 terms
Schedule 13Gregulatory
"This statement is filed by: BlueCrest Capital Management Limited"
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.
beneficially ownfinancial
"The Investment Manager and Mr. Platt beneficially own 2,354,233 shares"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
sole dispositive powerregulatory
"Sole power to dispose or to direct the disposition of: 2,354,233.00"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
What stake does BlueCrest report in Churchill Capital Corp XI (CCXI)?
BlueCrest reports beneficial ownership of 2,354,233 shares, equal to 5.6% of Class A Ordinary Shares. The shares are held for the account of BSMA Limited and voting/dispositive power is reported as sole control by the Investment Manager and Mr. Platt.
Who is the reporting person on the Schedule 13G for CCXI?
The Schedule 13G is filed by BlueCrest Capital Management Limited as investment manager and Michael Platt as principal. BlueCrest acts for BSMA Limited; Mr. Platt is identified as principal, director, and control person of the Investment Manager.
What authority over the shares is disclosed in the filing?
The filing states the Investment Manager and Mr. Platt each have sole power to vote and sole power to dispose of 2,354,233 shares. Shared voting and dispositive power are reported as 0 in the Schedule 13G fields.
When was the Schedule 13G for CCXI signed and by whom?
The signature block shows authorizations dated 07/03/2026, signed by an authorized signatory and by an attorney‑in‑fact for Michael Platt. The filing cover lists an ownership date of 06/26/2026 associated with the reported holdings.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Churchill Capital Corp XI
(Name of Issuer)
Class A Ordinary Shares, $0.0001 par value
(Title of Class of Securities)
G2131A124
(CUSIP Number)
06/26/2026
(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):
G2131A124
1
Names of Reporting Persons
BlueCrest Capital Management Ltd
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
JERSEY
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
2,354,233.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
2,354,233.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,354,233.00
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)
5.6 %
12
Type of Reporting Person (See Instructions)
OO
SCHEDULE 13G
CUSIP Number(s):
G2131A124
1
Names of Reporting Persons
Platt Michael Edward
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 KINGDOM
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
2,354,233.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
2,354,233.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,354,233.00
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)
5.6 %
12
Type of Reporting Person (See Instructions)
IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Churchill Capital Corp XI
(b)
Address of issuer's principal executive offices:
640 FIFTH AVENUE 12TH FLOOR, NEW YORK, NEW YORK, 10019.
Item 2.
(a)
Name of person filing:
This statement is filed by:
i. BlueCrest Capital Management Limited (the "Investment Manager"), which serves as investment manager to BSMA Limited, a Cayman Islands exempted company (the "Fund"); and
ii. Michael Platt ("Mr. Platt"), who serves as principal, director, and control person of the Investment Manager;
with respect to the shares (as defined herein) held for the account of the Fund.
(b)
Address or principal business office or, if none, residence:
The address of the business office of the Investment Manager and Mr. Platt is:
Ground Floor
Harbour Reach, La Rue de Carteret
St Helier
Jersey
Channel Islands
JE2 4HR
(c)
Citizenship:
The Investment Manager is a company organized under the laws of Jersey, Channel Islands, operating solely out of Jersey, Channel Islands. Mr. Platt is a citizen of the United Kingdom.
(d)
Title of class of securities:
Class A Ordinary Shares, $0.0001 par value
(e)
CUSIP Number(s):
G2131A124
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:
The Investment Manager and Mr. Platt beneficially own 2,354,233 shares.
(b)
Percent of class:
Investment Manager: 5.6%
Mr. Platt: 5.6%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Investment Manager: 2,354,233.00
Mr. Platt: 2,354,233.00
(ii) Shared power to vote or to direct the vote:
Each of the Reporting Persons has shared power to vote or direct the vote of 0 shares of Common Stock.
(iii) Sole power to dispose or to direct the disposition of:
Investment Manager: 2,354,233.00
Mr. Platt: 2,354,233.00
(iv) Shared power to dispose or to direct the disposition of:
Each of the Reporting Persons has shared power to vote or direct the vote of 0 shares of Common Stock.
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.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
See disclosure in Items 2 and 4 hereof. The Fund is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the ordinary shares covered by the Statement that may be deemed to be beneficially owned by the Reporting Persons.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
See disclosure in Item 2 hereof.
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 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.
