Morgan Stanley discloses 6.5% Magnera (MAGN) ownership stake

Rhea-AI Filing Summary

Morgan Stanley filed a Schedule 13G reporting beneficial ownership of 2,322,794 shares of Magnera Corp common stock, equal to 6.5% of the outstanding class as of 12/31/2025.

All voting and dispositive power over these shares is shared, and the stake is certified as held in the ordinary course of business without any purpose of changing or influencing control of Magnera.

Insights

Equity ownership and governance analyst

Morgan Stanley reports a 6.5% passive stake in Magnera, indicating institutional interest but no stated intent to influence control.

Morgan Stanley discloses beneficial ownership of 2,322,794 Magnera common shares, representing 6.5% of the class as of 12/31/2025. Voting and dispositive power are reported as entirely shared, with no sole authority over the position.

The filing is made on Schedule 13G, the form typically used for passive holdings. It explicitly certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Magnera Corp.

The disclosure signals that a large institutional holder is present in Magnera’s shareholder base, but without an activist agenda described. Future ownership updates would appear in later beneficial ownership reports if Morgan Stanley’s percentage meaningfully changes.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Magnera Corp

(Name of Issuer)

Common Stock

(Title of Class of Securities)

55939A107

(CUSIP Number)

12/31/2025

(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. 55939A107

1

Names of Reporting Persons

Morgan Stanley

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 2,282,304.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,322,794.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,322,794.00

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)

6.5 %

12

Type of Reporting Person (See Instructions)

HC, CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Magnera Corp
(b)	Address of issuer's principal executive offices: 9335 HARRIS CORNERS PKWY, SUITE 300, CHARLOTTE, NC, 28269
Item 2.
(a)	Name of person filing: Morgan Stanley
(b)	Address or principal business office or, if none, residence: 1585 Broadway, New York, NY 10036
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 55939A107
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: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: 6.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
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. * In Accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned, or that may be deemed to be beneficially owned, by certain operating units (collectively, the "MS Reporting Units") of Morgan Stanley and its subsidiaries and affiliates (collectively, "MS"). This filing does not reflect securities, if any, beneficially owned by any operating units of MS whose ownership of securities is disaggregated from that of the MS Reporting Units in accordance with the Release.

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.

Morgan Stanley

Signature:	Chris O'Hara
Name/Title:	Authorized Signatory, Morgan Stanley
Date:	02/12/2026

FAQ

What stake does Morgan Stanley report in Magnera Corp (MAGN)?

Morgan Stanley reports beneficial ownership of 2,322,794 Magnera Corp common shares, representing 6.5% of the outstanding class as of December 31, 2025. This makes Morgan Stanley a significant institutional shareholder based on the disclosed percentage of the company’s common stock.

Is Morgan Stanley’s Magnera (MAGN) position reported as passive or activist?

Morgan Stanley certifies that its Magnera position was acquired and is held in the ordinary course of business, not to change or influence control. The use of Schedule 13G and this specific certification both indicate a passive investment stance rather than an activist or control-seeking position.

How much voting power does Morgan Stanley have over Magnera (MAGN) shares?

Morgan Stanley reports sole voting power over 0 shares and shared voting power over 2,282,304 Magnera common shares. It also reports 0 shares with sole dispositive power and 2,322,794 shares with shared dispositive power, indicating all meaningful authority over the position is held on a shared basis.

Why did Morgan Stanley file a Schedule 13G for Magnera Corp (MAGN)?

Schedule 13G is required when an investor surpasses 5% beneficial ownership and qualifies for the short-form, typically passive, filing. Morgan Stanley crossed this threshold in Magnera common stock and reports a 6.5% stake, triggering the need for this beneficial ownership disclosure.

What is the date of Morgan Stanley’s reportable event for Magnera (MAGN)?

The reportable event date is December 31, 2025. This date marks when Morgan Stanley’s beneficial ownership level in Magnera common stock required the Schedule 13G disclosure, reflecting its 6.5% stake as of that point in time.

Where is Morgan Stanley’s principal business office listed in the Magnera (MAGN) filing?

Morgan Stanley lists its principal business office as 1585 Broadway, New York, NY 10036. This address identifies the primary location associated with the reporting person in the Schedule 13G beneficial ownership statement for Magnera Corp common stock.