[SCHEDULE 13G/A] Newbury Street II Acquisition Corp SEC Filing

Rhea-AI Filing Summary

Healthcare of Ontario Pension Plan Trust Fund (HOOPP) reported beneficial ownership of 200,000 Class A ordinary shares of Newbury Street II Acquisition Corp, representing 1.1% of the issuer based on 17,998,375 Class A shares outstanding as reported by the issuer. The filing shows HOOPP has sole voting power of 200,000 shares and sole dispositive power of 200,000 shares.

The issuer is described as a blank check company formed under Cayman Islands law. HOOPP identifies itself as a pension plan formed as a trust under Ontario law, registered with the Financial Services Regulatory Authority of Ontario, and certifies the shares were acquired and are held in the ordinary course of business and not to influence control of the issuer.

Insights

Financial Analyst

TL;DR: HOOPP's disclosed 200,000-share holding is a small, passive stake that is clearly documented.

HOOPP reports ownership of 200,000 Class A shares, with sole voting and dispositive power over those shares, totaling 1.1% of the Class A shares outstanding as presented in the filing. The filing is a Schedule 13G/A disclosure, indicating a passive reporting posture rather than active control intent. Data in the filing is specific about the share count, voting/dispositive powers, and the basis for the percentage calculation.

Corporate Governance Expert

TL;DR: The Schedule 13G/A frames HOOPP as a passive, regulated pension trust with no stated intent to influence issuer control.

HOOPP identifies itself as a pension plan trust under Ontario law and registers with the relevant provincial regulator. The filing explicitly states the shares are held in the ordinary course and were not acquired to change or influence control. The form indicates no group affiliation and no subsidiaries reported as acquiring the securities, supporting a governance view of a non-activist institutional holding.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Newbury Street II Acquisition Corp

(Name of Issuer)

Class A Ordinary Shares, $0.0001 par value

(Title of Class of Securities)

G6439S109

(CUSIP Number)

06/30/2025

(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)

SCHEDULE 13G

CUSIP No. G6439S109

1

Names of Reporting Persons

Healthcare of Ontario Pension Plan Trust 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 200,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 200,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

200,000.00

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)

1.1 %

12

Type of Reporting Person (See Instructions)

FI

Comment for Type of Reporting Person: In reference to Rows 5, 7 and 9 above, amount consists of Class A ordinary shares, $0.0001 par value ("Class A Shares"), of Newbury Street II Acquisition Corp, a blank check company formed under the laws of the Cayman Islands (the "Issuer"). In reference to Row 11 above, percentage ownership is based on 17,998,375 Class A Shares issued and outstanding as of May 15, 2025, as reported on the Issuer's quarterly report on Form 10-Q for the quarterly period ended March 31, 2025, filed with the Securities and Exchange Commission on May 15, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Newbury Street II Acquisition Corp
(b)	Address of issuer's principal executive offices: 121 High Street, Floor 3, Boston, Massachusetts 02110
Item 2.
(a)	Name of person filing: Healthcare of Ontario Pension Plan Trust Fund ("HOOPP")
(b)	Address or principal business office or, if none, residence: 1 York Street, Suite 1900, Toronto, Ontario, Canada, M5J 0B6
(c)	Citizenship: Ontario, Canada
(d)	Title of class of securities: Class A Ordinary Shares, $0.0001 par value
(e)	CUSIP No.: G6439S109
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).
	A pension plan formed as a trust under the laws of Ontario, Canada and registered with the Financial Services Regulatory Authority of Ontario.
Item 4.	Ownership
(a)	Amount beneficially owned: See Item 9 on page 2.
(b)	Percent of class: See Item 11 on page 2.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Item 5 on page 2.
	(ii) Shared power to vote or to direct the vote: See Item 6 on page 2.
	(iii) Sole power to dispose or to direct the disposition of: See Item 7 on page 2.
	(iv) Shared power to dispose or to direct the disposition of: See Item 8 on page 2.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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. By signing below I certify that, to the best of my knowledge and belief, the regulatory scheme applicable to a pension plan formed as a trust under the laws of Ontario, Canada and registered with the Financial Services Regulatory Authority of Ontario is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Securities and Exchange Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

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.

Healthcare of Ontario Pension Plan Trust Fund

Signature:	/s/ Abas Kanu
Name/Title:	VP, HOOPP Compliance Officer
Date:	08/13/2025

FAQ

How many NTWO shares does HOOPP report owning?

HOOPP reports beneficial ownership of 200,000 Class A ordinary shares of NTWO.

What percentage of NTWO does HOOPP's stake represent?

The filing states HOOPP's holding represents 1.1% of NTWO's Class A shares outstanding based on the issuer's reported 17,998,375 shares.

Does HOOPP have voting or dispositive power over the NTWO shares?

Yes. The filing reports sole voting power of 200,000 shares and sole dispositive power of 200,000 shares.

Is this filing a passive disclosure or an attempt to influence control of NTWO?

The filing includes a certification that the securities were acquired and are held in the ordinary course of business and were not acquired to influence control of the issuer.

Who is the reporting person in this Schedule 13G/A for NTWO?

The reporting person is the Healthcare of Ontario Pension Plan Trust Fund (HOOPP), a pension plan formed as a trust under Ontario law.