[SCHEDULE 13G] Inflection Point Acquisition Corp. III Units SEC Filing

Rhea-AI Filing Summary

Healthcare of Ontario Pension Plan Trust Fund (HOOPP) reports beneficial ownership of 1,400,000 Class A ordinary shares of Inflection Point Acquisition Corp. III, representing 5.4% of the Class A shares outstanding based on the issuer's reported outstanding share count of 26,040,000. The filing discloses the position as held in units, with each unit consisting of one Class A share and one right; each right entitles the holder to receive one tenth of one Class A share.

The registrant states these securities are held in the ordinary course of business and were not acquired to change or influence control of the issuer. The filing identifies HOOPP as a pension plan trust formed under Ontario law and is signed by HOOPP's compliance officer certifying the accuracy of the statement.

Positive

• Disclosure of a material stake: HOOPP reports ownership of 1,400,000 Class A shares representing 5.4% of the class.
• Holding declared passive: Filing certifies shares are held in the ordinary course and not to influence control.
• Clear holding structure: Position held in units; each unit includes one Class A share and one right that converts to 0.1 Class A share.

Negative

• None.

Insights

Financial Analyst

TL;DR: A passive 5.4% stake is material but non-control; it signals institutional interest without an expressed activist intent.

The disclosed 1.4 million share position equals a meaningful minority holding for a SPAC-class issuer but the filer explicitly states the shares were acquired and are held in the ordinary course and not to influence control. For investors this is a neutral development: it confirms institutional participation that could lend stability to the register, yet the filing contains no indication of strategic plans, board intentions, or additional transactions. Monitoring future Schedule 13D/G updates could reveal changes to intent or ownership.

Corporate Governance Expert

TL;DR: Filing is a routine, compliant disclosure of a >5% passive stake by a regulated pension trust.

HOOPP is identified as a pension plan trust and follows required disclosure norms by reporting beneficial ownership above 5%. The certification that the position is held in the ordinary course and not for control purposes is standard language to limit governance concerns. The structure of the holdings (units with accompanying rights convertible at fractional rates) is noted explicitly, which affects potential share dilution or conversion mechanics. From governance perspective, no immediate change in control or board composition is signaled.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Inflection Point Acquisition Corp. III

(Name of Issuer)

Class A ordinary shares, $0.0001 par value

(Title of Class of Securities)

G47875102

(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. G47875102

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 1,400,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,400,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,400,000.00

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)

5.4 %

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 Inflection Point Acquisition Corp. III, a blank check company formed under the laws of the Cayman Islands (the "Issuer"), that are held in the form of units, each consisting of one Class A Share and one right. Each right entitles the holder thereof to receive one tenth of one Class A Share. In reference to Row 11 above, percentage ownership is based on 26,040,000 Class A Shares issued and outstanding as of June 9, 2025, as reported on the Issuer's quarterly report on Form 10-Q for the quarter ended on March 31, 2025, filed with the Securities and Exchange Commission on June 9, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Inflection Point Acquisition Corp. III
(b)	Address of issuer's principal executive offices: 167 Madison Avenue, Suite 205 #1017, New York, New York, 10016
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.: G47875102
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.
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 IPCXU shares does HOOPP own?

HOOPP beneficially owns 1,400,000 Class A shares of Inflection Point Acquisition Corp. III.

What percentage of IPCXU does HOOPP's holding represent?

The holding represents 5.4% of the Class A shares based on the issuer's reported outstanding share count of 26,040,000.

In what form are HOOPP's IPCXU holdings?

The position is held in units, each consisting of one Class A share and one right; each right entitles the holder to one tenth of one Class A share.

Does HOOPP intend to influence control of Inflection Point Acquisition Corp. III?

No. The filing certifies the securities were acquired and are held in the ordinary course and not for the purpose of changing or influencing control.

Who filed the Schedule 13G on behalf of HOOPP?

The filing is made by Healthcare of Ontario Pension Plan Trust Fund (HOOPP) and is signed by Abas Kanu, VP, HOOPP Compliance Officer.