[SCHEDULE 13G] Magnera Corporation SEC Filing

Rhea-AI Filing Summary

Newtyn Management, LLC reported beneficial ownership of 2,271,500 shares of Magnera Corporation common stock, representing 6.4% of the approximately 35.6 million shares outstanding. The stake is held through two partnerships managed by Newtyn: Newtyn TE Partners, LP (1,412,873 shares) and Newtyn Partners, LP (858,627 shares). The Reporting Person is organized in New York and lists sole voting and dispositive power for all 2,271,500 shares.

The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The report includes the issuer's principal office address and cites the class and CUSIP for the common stock.

Positive

• Material ownership disclosed: 2,271,500 shares (6.4%) of common stock clearly reported.
• Clear voting and dispositive authority: Reporting Person states sole voting and sole dispositive power for all shares.
• Complete breakdown of holdings: Shares attributed to Newtyn TE Partners (1,412,873) and Newtyn Partners (858,627).
• Certification of ordinary-course holdings: Filing states securities are held in the ordinary course and not to change control.

Negative

• None.

Insights

Financial Analyst

TL;DR: A concentrated 6.4% stake by an investment manager signals a meaningful ownership position without disclosed intent to change control.

Newtyn Management's aggregated 2.27 million-share position is material relative to Magnera's ~35.6 million-share base. The filing shows sole voting and dispositive power for the full position, indicating clear control over how these shares are voted or sold. Because the certification states the position is held in the ordinary course of business and not to influence control, this appears to be an investment stake rather than an activist move, but it remains sizable enough to warrant investor attention.

Corporate Governance Expert

TL;DR: A 6.4% beneficial holding by an investment adviser is notable for governance monitoring but not an immediate control shift.

The report specifies Newtyn as investment manager to two limited partnerships that together hold the shares and confirms sole voting/dispositive authority. The explicit certification that the stake is not intended to change control reduces immediate governance risk, yet the size of the position gives Newtyn the ability to influence certain shareholder votes if it chooses to engage. Disclosure is complete for ownership metrics; no transactions or activist intentions are stated.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Magnera Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

55939A107

(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. 55939A107

1

Names of Reporting Persons

Newtyn Management, LLC

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

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,271,500.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,271,500.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,271,500.00

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)

6.4 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: See Item 2 for additional information.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Magnera Corporation
(b)	Address of issuer's principal executive offices: 9335 Harris Corners Pkwy, Ste 300, Charlotte, North Carolina 28269
Item 2.
(a)	Name of person filing: This report on Schedule 13G is being filed by Newtyn Management, LLC, a New York limited liability company (the "Reporting Person"). The Reporting Person is the investment manager to Newtyn TE Partners, LP, a Delaware limited partnership ("NTE"), and Newtyn Partners, LP, a Delaware limited partnership ("NP"). As of June 30, 2025, NTE held 1,412,873 shares of common stock (the "Common Stock") of Magnera Corporation (the "Issuer") and NP held 858,627 shares of Common Stock of the Issuer. The Reporting Person, as the investment manager to NTE and NP, may be deemed to beneficially own these securities. Accordingly, as of June 30, 2025, the Reporting Person may be deemed to beneficially own the 2,271,500 shares of Common Stock of the Issuer held in the aggregate by NTE and NP. Beneficial ownership percentages are based upon approximately 35.6 million shares of Common Stock issued and outstanding as of May 7, 2025, based on information reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 7, 2025.
(b)	Address or principal business office or, if none, residence: The address for the Reporting Person is 60 East 42nd Street, 9th Floor, New York, NY 10165.
(c)	Citizenship: The Reporting Person is organized under the laws of the State of New York.
(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: 2,271,500.00
(b)	Percent of class: 6.4 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 2,271,500.00
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 2,271,500.00
	(iv) Shared power to dispose or to direct the disposition of: 0.00
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.

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.

Newtyn Management, LLC

Signature:	/s/ Eugene Dozortsev
Name/Title:	Eugene Dozortsev, Authorized Signatory
Date:	08/14/2025

FAQ

How many shares of MAGN does Newtyn Management report owning?

The filing reports 2,271,500 shares of Magnera Corporation common stock.

What percentage of MAGN outstanding shares does Newtyn Management hold?

The reported stake represents 6.4% of approximately 35.6 million shares outstanding.

Through which entities does Newtyn hold the MAGN shares?

The shares are held through Newtyn TE Partners, LP (1,412,873 shares) and Newtyn Partners, LP (858,627 shares).

Does Newtyn claim voting or dispositive power over the shares?

Yes. The filing states Newtyn has sole voting power and sole dispositive power for all 2,271,500 shares.

Did the filing state an intent to influence control of Magnera (MAGN)?

No. The certification states the securities are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.