Picton Mahoney holds 1.3M SIMA shares (5.65%)

Picton Mahoney Asset Management reports beneficial ownership of 1,300,000 Class A ordinary shares of SIM Acquisition Corp. I, equal to 5.65% of the Class A shares.

Rhea-AI Filing Summary

Picton Mahoney Asset Management reports beneficial ownership of 1,300,000 Class A ordinary shares of SIM Acquisition Corp. I, equal to 5.65% of the Class A shares. The filing states shares outstanding were 23,000,000 as of March 31, 2026. The Schedule 13G/A amendment is signed by the filer’s General Counsel certifying the disclosure.

Insights

Institutional Ownership Analyst

Passive investor reports a 5.65% stake via Schedule 13G/A.

Picton Mahoney discloses beneficial ownership of 1,300,000 shares, representing 5.65% of Class A ordinary shares based on a 23,000,000 share outstanding figure dated March 31, 2026. The filing is an ownership disclosure under a passive investor reporting framework.

Because this is a Schedule 13G/A passive filing, it signals reporting compliance rather than an active strategic change; subsequent filings would be needed to show any change in intent or control.

Key Figures

Shares beneficially owned: 1,300,000 shares Percent of class: 5.65% Shares outstanding (as of): 23,000,000 shares

3 metrics

Shares beneficially owned 1,300,000 shares Class A ordinary shares held by Picton Mahoney

Percent of class 5.65% Percent of Class A calculated from 23,000,000 shares outstanding as of March 31, 2026

Shares outstanding (as of) 23,000,000 shares Class A ordinary shares outstanding as of March 31, 2026 (cited from company's 10-K)

Key Terms

Schedule 13G/A, beneficially owned, sole power to dispose

3 terms

Schedule 13G/A regulatory

"Amendment No. 3 ) SIM ACQUISITION CORP. I Class A Ordinary Shares"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned regulatory

"Amount beneficially owned: 1300000 (b) Percent of class: 5.65 %"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole power to dispose legal

"(iii) Sole power to dispose or to direct the disposition of: 1300000"

FAQ

What stake does Picton Mahoney hold in SIMA?

Picton Mahoney holds 1,300,000 Class A shares, equal to 5.65%. The percent is calculated from 23,000,000 Class A shares outstanding as of March 31, 2026, per the filing's cited 10-K.

Is this a passive Schedule 13G/A filing or an active Schedule 13D?

This is a Schedule 13G/A passive filing. The filer uses the Schedule 13G/A format and certifies comparability of foreign regulation, indicating passive investor reporting rather than an active 13D control claim.

Does the filing indicate any change in voting or disposition powers?

The filing shows sole voting and dispositive power over 1,300,000 shares. It lists zero shared voting or dispositive power, indicating control of the disclosed shares rests solely with the filer entity.

What is the shares outstanding figure used to compute the percentage?

The percentage is based on 23,000,000 Class A shares outstanding as of March 31, 2026. That outstanding count is cited directly in the filing and used to compute the 5.65% ownership percentage.

Who signed the Schedule 13G/A amendment for Picton Mahoney?

The filing is signed by Catrina Duong, General Counsel & Chief Compliance Officer. The signature includes a certification that the statement is true, complete, and correct, dated 04/27/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/27/2026 - 11:05 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

SIM ACQUISITION CORP. I

(Name of Issuer)

Class A Ordinary Shares

(Title of Class of Securities)

G8431T101

(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): G8431T101

1

Names of Reporting Persons

Picton Mahoney Asset Management

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

CANADA (FEDERAL LEVEL)

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,300,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,300,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,300,000.00

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)

5.65 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: The percentages used herein are calculated based upon 23,000,000 Class A ordinary shares outstanding as of March 31, 2026 as disclosed in the company's 10-K filed March 27, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: SIM ACQUISITION CORP. I
(b)	Address of issuer's principal executive offices: 78 SW 7th Street, Suite 500, Miami, FLORIDA, 33130
Item 2.
(a)	Name of person filing: Picton Mahoney Asset Management
(b)	Address or principal business office or, if none, residence: 33 YONGE STREET, SUITE 320
(c)	Citizenship: Canada
(d)	Title of class of securities: Class A Ordinary Shares
(e)	CUSIP No.: G8431T101
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).
	Investment Fund Manager
Item 4.	Ownership
(a)	Amount beneficially owned: 1300000
(b)	Percent of class: 5.65 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1300000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1300000
	(iv) Shared power to dispose or to direct the disposition of: 0
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 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 foreign regulatory scheme applicable to Investment Fund Manager is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the 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.

Picton Mahoney Asset Management

Signature:	Catrina Duong
Name/Title:	General Counsel & Chief Compliance Officer
Date:	04/27/2026

Comments accompanying 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.