[SCHEDULE 13G/A] Jackson Acquisition Company II SEC Filing

Rhea-AI Filing Summary

Polar Asset Management Partners Inc. reports beneficial ownership of 1,025,000 Class A ordinary shares of Jackson Acquisition Co II, representing 4.3% of the class. The shares are directly held by Polar Multi-Strategy Master Fund and Polar reports sole voting and dispositive power over those shares. The statement is filed on a Schedule 13G/A as an amendment and classifies the filer as an investment adviser; the filing includes a certification that the position is held in the ordinary course of business and not with the intent to influence control of the issuer.

Positive

• Clear disclosure of beneficial ownership: 1,025,000 shares representing 4.3% of the class
• Passive filing (Schedule 13G/A) with certification that holdings are not intended to influence control

Negative

• None.

Insights

Securities Analyst

TL;DR: Polar AM discloses a passive 4.3% stake (1,025,000 shares), limiting governance influence and signalling a non-activist position.

The filing reports a clearly quantified holding and classifies the disclosure under Schedule 13G/A, which is used for passive investors. Holding sole voting and dispositive power over the reported shares means Polar controls how those shares are voted and sold, but the certification that the shares are held in the ordinary course and not to influence control reduces the likelihood of activist engagement. For market participants, this is a notable disclosure but not a control event given the sub-5% stake.

Compliance/Risk Analyst

TL;DR: The amendment and signed certification emphasize compliance intent; disclosure mitigates regulatory and governance uncertainty.

The filing explicitly states the position was acquired and is held in the ordinary course of business and not for the purpose of changing or influencing control, accompanied by the signature of the Chief Compliance Officer. The reporting person is identified as an investment adviser registered in Ontario, which clarifies regulatory status. The amendment format indicates an update to a prior report; the information improves transparency but does not imply heightened governance risk due to the reported percentage being under 5%.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Jackson Acquisition Co II

(Name of Issuer)

Class A ordinary shares, par value $0.0001 per share

(Title of Class of Securities)

G4992A201

(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. G4992A201

1

Names of Reporting Persons

Polar Asset Management Partners Inc.

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 1,025,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,025,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,025,000.00

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)

4.3 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Jackson Acquisition Co II
(b)	Address of issuer's principal executive offices: 2655 Northwinds Parkway, Alpharetta, GA, 30009
Item 2.
(a)	Name of person filing: This statement is filed by Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, which serves as the investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF") with respect to the shares directly held by PMSMF.
(b)	Address or principal business office or, if none, residence: 16 York Street, Suite 2900, Toronto, Ontario, M5J 0E6
(c)	Citizenship: Canada
(d)	Title of class of securities: Class A ordinary shares, par value $0.0001 per share
(e)	CUSIP No.: G4992A201
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).
	The Reporting Person is an investment fund manager, portfolio manager, exempt market dealer and commodity trading manager registered with the Ontario Securities Commission.
Item 4.	Ownership
(a)	Amount beneficially owned: 1025000
(b)	Percent of class: 4.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1025000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1025000
	(iv) Shared power to dispose or to direct the disposition of: 0
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.

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.

Polar Asset Management Partners Inc.

Signature:	Andrew Ma
Name/Title:	Chief Compliance Officer
Date:	08/14/2025

FAQ

Who filed the Schedule 13G/A for JACS?

Polar Asset Management Partners Inc., an investment adviser based in Ontario, filed the statement on behalf of its Polar Multi-Strategy Master Fund.

How many Jackson Acquisition Co II shares does Polar AM report owning?

1,025,000 shares, representing 4.3% of the Class A ordinary shares.

Is Polar AM's position intended to influence control of JACS?

No. The filing includes a certification that the securities are held in the ordinary course of business and not to influence control of the issuer.

Are the shares held on behalf of another fund?

Yes. The shares are directly held by Polar Multi-Strategy Master Fund (PMSMF).

What type of filing is this and does it amend a prior report?

This is a Schedule 13G/A (Amendment No. 1), indicating an amendment to a previously filed Schedule 13G.