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TCGX Acquisition Corp. II (TCXB) is the issuer in a Schedule 13G reporting 650,000 Class A ordinary shares. Squadron Master Fund LP reports the position; Squadron Capital Management LLC and its partners Matthew Sesterhenn and William Blank each also report beneficial ownership of 650,000 shares, reflecting shared voting and dispositive power over the same position rather than four separate holdings.
Squadron Capital Management LLC, Matthew Sesterhenn and William Blank expressly disclaim beneficial ownership. The Funds have the right to receive or direct dividends and proceeds from sales of the shares.
Key Figures
Reported Class A ordinary shares:650,000 sharesReported ownership percentage:5.02%Shares outstanding:12,950,000 shares
3 metrics
Reported Class A ordinary shares650,000 sharesPosition reported by each reporting person through shared voting and dispositive power
Reported ownership percentage5.02%Reported for each reporting person
Shares outstanding12,950,000 sharesAs of October 16, 2026; basis for the reported ownership percentages
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Shared Voting Powerregulatory
"Shared Voting Power 650,000.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerregulatory
"Shared power to dispose or to direct the disposition"
Rule 13d-4regulatory
"Pursuant to Rule 13d-4"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many TCXB shares are reported?
The report lists 650,000 Class A ordinary shares for each of the four reporting persons. These are overlapping attributions tied to shared voting and dispositive power, not four separate positions.
Who receives dividends from the reported TCXB shares?
The Funds have the right to receive, or direct receipt of, dividends and proceeds from sales of the reported shares.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
TCGX Acquisition Corp. II
(Name of Issuer)
Class A Ordinary Shares, par value $0.0001 per share
(Title of Class of Securities)
G87082106
(CUSIP Number)
10/16/2026
(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):
G87082106
1
Names of Reporting Persons
Squadron Master Fund 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
650,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
650,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
650,000.00
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)
5.0 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
G87082106
1
Names of Reporting Persons
Squadron Capital 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
650,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
650,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
650,000.00
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)
5.0 %
12
Type of Reporting Person (See Instructions)
IA, HC
SCHEDULE 13G
CUSIP Number(s):
G87082106
1
Names of Reporting Persons
Matthew Sesterhenn
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
650,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
650,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
650,000.00
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)
5.0 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
G87082106
1
Names of Reporting Persons
William Blank
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
650,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
650,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
650,000.00
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)
5.0 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
TCGX Acquisition Corp. II
(b)
Address of issuer's principal executive offices:
245 Lytton Avenue, Suite 350, Palo Alto, CALIFORNIA, 94301.
Item 2.
(a)
Name of person filing:
Squadron Master Fund LP
Squadron Capital Management, LLC
Matthew Sesterhenn
William Blank
(b)
Address or principal business office or, if none, residence:
Squadron Master Fund LP
c/o Squadron Capital Management, LLC
1211 West 22nd Street, Suite 1008
Oak Brook, IL 60523
Squadron Capital Management, LLC
1211 West 22nd Street, Suite 1008
Oak Brook, IL 60523
Matthew Sesterhenn
c/o Squadron Capital Management, LLC
1211 West 22nd Street, Suite 1008
Oak Brook, IL 60523
William Blank
c/o Squadron Capital Management, LLC
1211 West 22nd Street, Suite 1008
Oak Brook, IL 60523
(c)
Citizenship:
Squadron Master Fund LP - Delaware
Squadron Capital Management, LLC - Delaware
Matthew Sesterhenn - United States
William Blank - United States
(d)
Title of class of securities:
Class A Ordinary Shares, par value $0.0001 per share
(e)
CUSIP Number(s):
G87082106
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:
Squadron Capital Management, LLC is an investment adviser that is registered under the Investment Advisers Act of 1940. Squadron Capital Management, LLC, which serves as investment adviser to private funds, including but not limited to Squadron Master Fund LP (collectively, the "Funds"), may be deemed to be the beneficial owner of all shares of Common Stock held by the Funds. Mr. Sesterhenn and Mr. Blank, as Partners of Squadron Capital Management, LLC, with the power to exercise investment and voting discretion, may be deemed to be the beneficial owner of all shares of Common Stock held by the Funds. Pursuant to Rule 13d-4 under the Securities Exchange Act of 1934, as amended, Squadron Capital Management, LLC and Mr. Sesterhenn and Mr. Blank expressly disclaim beneficial ownership over any of the securities reported in this statement, and the filing of this statement shall not be construed as an admission that Squadron Capital Management, LLC or Mr. Sesterhenn and Mr. Blank are the beneficial owner of any of the securities reported herein.
Squadron Master Fund LP - 650,000 shares
Squadron Capital Management, LLC - 650,000 shares
Matthew Sesterhenn - 650,000 shares
William Blank - 650,000 shares
(b)
Percent of class:
Ownership percentage is based on 12,950,000 shares of common stock outstanding, par value $0.0001 per share, as of October 16, 2026, as reported by the Issuer in the Prospectus filed with the Securities and Exchange Commission on October 16, 2026.
Squadron Master Fund LP - 5.02%
Squadron Capital Management, LLC - 5.02%
Matthew Sesterhenn - 5.02%
William Blank - 5.02%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Squadron Master Fund LP - 0
Squadron Capital Management, LLC - 0
Matthew Sesterhenn - 0
William Blank - 0
(ii) Shared power to vote or to direct the vote:
Squadron Master Fund LP - 650,000 shares
Squadron Capital Management, LLC - 650,000 shares
Matthew Sesterhenn - 650,000 shares
William Blank - 650,000 shares
(iii) Sole power to dispose or to direct the disposition of:
Squadron Master Fund LP - 0
Squadron Capital Management, LLC - 0
Matthew Sesterhenn - 0
William Blank - 0
(iv) Shared power to dispose or to direct the disposition of:
Squadron Master Fund LP - 650,000 shares
Squadron Capital Management, LLC - 650,000 shares
Matthew Sesterhenn - 650,000 shares
William Blank - 650,000 shares
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.
The Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the shares of Common Stock covered by this Statement.
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 Notes above.
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.
Squadron Master Fund LP
Signature:
/s/ Matthew Sesterhenn
Name/Title:
Partner, Squadron Partners LLC, its General Partner
