Cantor Equity Partners VI, Inc. Schedule 13G/A discloses institutional holdings reported jointly by RP Investment Advisors LP and affiliated funds. The filing lists 1,050,000 shares associated with RP Investment Advisors (shared voting/dispositive power) representing 8.9% of Class A ordinary shares. The filing cites 11,800,000 Class A ordinary shares outstanding as of March 31, 2026.
The statement identifies additional affiliated holdings: 535,430 shares (RP Select Opportunities Master Fund Ltd., 4.5%), 300,755 shares (RP Alternative Global Bond Fund, 2.6%), 158,395 shares (RP Debt Opportunities Fund Ltd., 1.3%), and 55,420 shares (RP Alternative Credit Opportunities Fund, 0.5%). Signatures are by Richard Pilosof on behalf of RP Investment Advisors LP.
Positive
None.
Negative
None.
Insights
Large affiliated holder reports an 8.9% stake based on issuer outstanding shares.
RP Investment Advisors and affiliated funds jointly report beneficial ownership positions across multiple funds, with 1,050,000 shares held with shared voting and dispositive power by RP Investment Advisors as shown. The filing ties percentages to March 31, 2026 outstanding share data.
Ownership is presented as shared among affiliated entities; the filing includes standard disclaimers about Section 13(d)/13(g) group status. Subsequent filings could disclose changes if transfers occur or if the group determination changes.
Key Figures
Shares outstanding:11,800,000 sharesRP Investment Advisors shared holdings:1,050,000 sharesRP Select Opportunities Master Fund holdings:535,430 shares+3 more
6 metrics
Shares outstanding11,800,000 sharesas of <date>March 31, 2026</date>
RP Investment Advisors shared holdings1,050,000 sharesshared voting/dispositive power; <percent>8.9%</percent> of class
RP Select Opportunities Master Fund holdings535,430 shares<percent>4.5%</percent> of class
RP Alternative Global Bond Fund holdings300,755 shares<percent>2.6%</percent> of class
RP Debt Opportunities Fund holdings158,395 shares<percent>1.3%</percent> of class
RP Alternative Credit Opportunities Fund holdings55,420 shares<percent>0.5%</percent> of class
Key Terms
beneficial owner, shared dispositive power, Section 13(d) or 13(g)
3 terms
beneficial ownerregulatory
"Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is... the beneficial owner"
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 1,050,000.00"
Section 13(d) or 13(g)regulatory
"Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission... for the purposes of Section 13(d) or 13(g) of the Act"
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Cantor Equity Partners VI, Inc.
(Name of Issuer)
Class A ordinary shares, par value $0.0001 per share
(Title of Class of Securities)
G1828R101
(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):
G1828R101
1
Names of Reporting Persons
RP Investment Advisors 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
ONTARIO, CANADA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,050,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,050,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,050,000.00
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)
8.9 %
12
Type of Reporting Person (See Instructions)
IA, FI, PN
Comment for Type of Reporting Person: This calculation is rounded to the nearest tenth and is based upon 11,800,000 Class A ordinary shares issued and outstanding as of March 31, 2026, as reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 31, 2026.
SCHEDULE 13G
CUSIP Number(s):
G1828R101
1
Names of Reporting Persons
RP Select Opportunities Master Fund 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
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
535,430.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
535,430.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
535,430.00
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)
4.5 %
12
Type of Reporting Person (See Instructions)
FI
Comment for Type of Reporting Person: This calculation is rounded to the nearest tenth and is based upon 11,800,000 Class A ordinary shares issued and outstanding as of March 31, 2026, as reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 31, 2026.
SCHEDULE 13G
CUSIP Number(s):
G1828R101
1
Names of Reporting Persons
RP Debt Opportunities Fund 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
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
158,395.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
158,395.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
158,395.00
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)
1.3 %
12
Type of Reporting Person (See Instructions)
FI
Comment for Type of Reporting Person: This calculation is rounded to the nearest tenth and is based upon 11,800,000 Class A ordinary shares issued and outstanding as of March 31, 2026, as reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 31, 2026.
SCHEDULE 13G
CUSIP Number(s):
G1828R101
1
Names of Reporting Persons
RP Alternative Global Bond Fund
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
ONTARIO, CANADA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
300,755.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
300,755.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
300,755.00
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)
2.6 %
12
Type of Reporting Person (See Instructions)
FI
Comment for Type of Reporting Person: This calculation is rounded to the nearest tenth and is based upon 11,800,000 Class A ordinary shares issued and outstanding as of March 31, 2026, as reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 31, 2026.
SCHEDULE 13G
CUSIP Number(s):
G1828R101
1
Names of Reporting Persons
RP Alternative Credit Opportunities Fund
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
ONTARIO, CANADA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
55,420.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
55,420.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
55,420.00
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)
0.5 %
12
Type of Reporting Person (See Instructions)
FI
Comment for Type of Reporting Person: This calculation is rounded to the nearest tenth and is based upon 11,800,000 Class A ordinary shares issued and outstanding as of March 31, 2026, as reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 31, 2026.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Cantor Equity Partners VI, Inc.
(b)
Address of issuer's principal executive offices:
110 EAST 59TH STREET, 110 EAST 59TH STREET, NEW YORK, NEW YORK, 10022.
Item 2.
(a)
Name of person filing:
This statement is jointly filed by and on behalf of each of RP Investment Advisors LP, RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund and RP Alternative Credit Opportunities Fund. RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund and RP Alternative Credit Opportunities Fund (the "Funds") are the record and direct beneficial owners of the securities covered by this statement. RP Investment Advisors LP is the investment advisor of, and may be deemed to be beneficially own securities owned by, the Funds. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, the beneficial owner of any securities covered by this statement. Each of the reporting persons may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for the purposes of Section 13(d) or 13(g) of the Act.
Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act together with any person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.
(b)
Address or principal business office or, if none, residence:
The address of the principal business office of each of the reporting persons is 39 Hazelton Avenue, Toronto, Ontario, Canada, M5R 2E3
(c)
Citizenship:
See Item 4 on the cover page(s) hereto.
(d)
Title of class of securities:
Class A ordinary shares, par value $0.0001 per share
(e)
CUSIP No.:
G1828R101
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:
See Item 9 on the cover page(s) hereto.
(b)
Percent of class:
See Item 11 on the cover page(s) hereto.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
See Item 5 on the cover page(s) hereto.
(ii) Shared power to vote or to direct the vote:
See Item 6 on the cover page(s) hereto.
(iii) Sole power to dispose or to direct the disposition of:
See Item 7 on the cover page(s) hereto.
(iv) Shared power to dispose or to direct the disposition of:
See Item 8 on the cover page(s) hereto.
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 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.
RP Investment Advisors LP
Signature:
/s/ Richard Pilosof
Name/Title:
Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
Date:
05/15/2026
RP Select Opportunities Master Fund Ltd.
Signature:
/s/ Richard Pilosof
Name/Title:
Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
Date:
05/15/2026
RP Debt Opportunities Fund Ltd.
Signature:
/s/ Richard Pilosof
Name/Title:
Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
Date:
05/15/2026
RP Alternative Global Bond Fund
Signature:
/s/ Richard Pilosof
Name/Title:
Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
Date:
05/15/2026
RP Alternative Credit Opportunities Fund
Signature:
/s/ Richard Pilosof
Name/Title:
Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
What stake does RP Investment Advisors report in CEPS?
RP Investment Advisors reports shared voting and dispositive power over 1,050,000 shares, equal to 8.9% of Class A ordinary shares based on 11,800,000 shares outstanding as of March 31, 2026. The interest is reported jointly with affiliated funds.
Which affiliated funds are named in the CEPS filing?
The joint filing names RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund, and RP Alternative Credit Opportunities Fund as record owners of the reported shares held by affiliated funds.
How many CEPS shares does RP Select Opportunities Master Fund hold?
RP Select Opportunities Master Fund Ltd. is reported to hold 535,430 shares, representing 4.5% of Class A ordinary shares based on the March 31, 2026 outstanding share figure of 11,800,000 shares.
Who signed the Schedule 13G/A for these holdings?
The filing is signed by Richard Pilosof, Chief Executive Officer of RP Investment Advisors LP (by its general partner), with signature dates shown as May 15, 2026 for the joint filing agreement and cover signatures.
