Comparable stake leader
Newtyn Management, LLC
SEC ownership of Magnera Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000041719.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- MAGN on NYSE
- Parsed ownership sources
-
13D/G and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Newtyn Management, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Newtyn Management, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000041719
- Issuer location
- Charlotte, NC
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Magnera Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Newtyn Management, LLC
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 7.7%
13D/G row: Newtyn Management, LLC
Showing 1-8 of 50 holder rows.
Quick read
Newtyn Management, LLC leads the comparable SEC ownership view at 7.7%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Newtyn Management, LLC's linked filing trail.
Comparable ownership
Top 5
Newtyn Management, LLC
7.7%
BlackRock, Inc.
7.1%
Cetus Capital VI, L.P.
6.3%
MORGAN STANLEY
5.3%
Madison Avenue Partners, LP
4.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Newtyn Management, LLC |
13D/G
13F
Company
|
7.7%
|
$26,247,600
2,760,000 shares
|
+$4,645,635 | 31 Mar 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
7.1%
|
$30,433,104
2,519,401 shares
|
$0 | 30 Jun 2025 |
| Cetus Capital VI, L.P. |
13D/G
|
6.3%
|
$21,328,125
2,242,705 shares
|
-$5,337,763 | 31 Mar 2026 |
| MORGAN STANLEY |
13F
13D/G
Company
|
5.3%
from 13D/G
|
$18,714,085
1,967,831 shares
|
— | 31 Mar 2026 |
| Madison Avenue Partners, LP |
13D/G
13F
Madison Avenue International LP · Company
|
4.4%
|
$15,126,758
1,590,616 shares
|
-$1,807,214 | 31 Mar 2026 |
| Ancora Advisors LLC |
13D/G
13F
Company
|
1.5%
|
$8,072,058
533,161 shares
|
-$20,442,255 | 31 Dec 2025 |
| LITTLEJOHN & CO LLC |
13F
Company
|
6.8%
|
$23,069,529
2,425,818 shares
|
— | 31 Mar 2026 |
| Engine Capital Management, LP |
13F
Company
|
6.3%
|
$21,338,795
2,243,827 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 16 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 30 reporting-owner rows connected to Magnera Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
30
Largest Forms 3/4/5 holder
Carlson Capital, L.P.
Net 12M change
$0
Latest report
09 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Carlson Capital, L.P. | 10%+ Owner | $19,041,214 | Filing P/S | 25 Sep 2024 | ||
| Dante C. Parrini | Chairman and CEO, Director | $928,351 | Mixed | 19 May 2022 | ||
| Curt Begle | President & CEO, Director | $857,463 | Mixed | 14 Nov 2025 | ||
| Thomas Fahnemann | Director | $713,295 | Mixed | 09 Mar 2026 | ||
| Wolfgang Laures | SVP, IGSC and IT | $695,543 | Mixed | 24 Feb 2023 | ||
| Kevin Michael Fogarty | Director | $575,450 | Mixed | 09 Mar 2026 | ||
| Tom Salmon | Director | $510,117 | Mixed | 09 Mar 2026 | ||
| Carl J. Rickertsen | Director | $448,870 | Mixed | 09 Mar 2026 | ||
| Bruce Brown | Director | $401,075 | Mixed | 09 Mar 2026 | ||
| J. Robert Hall | Director | $367,235 | Mixed | 10 May 2024 | ||
| Kathleen Dahlberg | Director | $338,760 | Mixed | 10 May 2024 | ||
| Lee C. Stewart | Director | $248,675 | Mixed | 25 Sep 2023 | ||
| Darrel H. Hackett | Director | $246,755 | Mixed | 10 May 2024 | ||
| Eileen L. Beck | EVP, Chief HR Officer | $246,125 | Mixed | 24 Feb 2025 | ||
| Gallagher Marie T. | Director | $214,336 | Mixed | 10 May 2024 | ||
| Michael S. Curless | Director | $213,730 | Mixed | 09 Mar 2026 | ||
| Christopher W. Astley | SVP, Chief Commercial Officer | $207,804 | Mixed | 24 Feb 2023 | ||
| David C. Elder | Vice Pres, Finance and CAO | $182,196 | Mixed | 12 May 2024 | ||
| Samuel L. Hillard | Svp, Cfo | $171,206 | Mixed | 18 Feb 2022 | ||
| Samantha J. Marnick | Director | $130,650 | Mixed | 09 Mar 2026 |
Recent insider transactions for Magnera Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Carl J. Rickertsen | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Tom Salmon | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Samantha J. Marnick | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Mary Dean Hall | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Michael S. Curless | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Kevin Michael Fogarty | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Thomas Fahnemann | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Bruce Brown | MAGN | Restricted Stock Units | Award | 12,998 | 12,998 | 09 Mar 2026 | Direct | |||
| Jill L. Urey | MAGN | Common Stock, Par Value $.01 | Tax liability | -9.21% | -521 | 5,134 | 28 Feb 2026 | Direct | ||
| Jill L. Urey | MAGN | Common Stock, Par Value $.01 | Options Exercise | 38.5% | 1,571 | 5,655 | 28 Feb 2026 | Direct | ||
| Jill L. Urey | MAGN | Restricted Stock Units | Options Exercise | -49.2% | -1,571 | 1,620 | 28 Feb 2026 | Direct | ||
| Jill L. Urey | MAGN | Common Stock, Par Value $.01 | Tax liability | -1.64% | -68 | 4,084 | 24 Feb 2026 | Direct | ||
| Jill L. Urey | MAGN | Common Stock, Par Value $.01 | Options Exercise | 5.19% | 205 | 4,152 | 24 Feb 2026 | Direct | ||
| Jill L. Urey | MAGN | Restricted Stock Units | Options Exercise | -100% | -205 | 0 | 24 Feb 2026 | Direct | ||
| Bruce Brown | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Kevin Michael Fogarty | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Michael S. Curless | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Thomas Fahnemann | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Tom Salmon | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Carl J. Rickertsen | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Samantha J. Marnick | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Mary Dean Hall | MAGN | Restricted Stock Units | Award | 5,871 | 5,871 | 14 Nov 2025 | Direct | |||
| Curt Begle | MAGN | Restricted Stock Units | Award | 131,428 | 131,428 | 14 Nov 2025 | Direct | |||
| James Till | MAGN | Restricted Stock Units | Award | 34,285 | 34,285 | 14 Nov 2025 | Direct | |||
| Tarun Manroa | MAGN | Restricted Stock Units | Award | 34,285 | 34,285 | 14 Nov 2025 | Direct | |||
| Jill L. Urey | MAGN | Restricted Stock Units | Award | 14,285 | 14,285 | 14 Nov 2025 | Direct | |||
| Tarun Manroa | MAGN | Common Stock, Par Value $.01 | Tax liability | -44% | -1,580 | 2,015 | 04 Nov 2025 | Direct | ||
| Tarun Manroa | MAGN | Common Stock, Par Value $.01 | Options Exercise | 10793.9% | 3,562 | 3,595 | 04 Nov 2025 | Direct | ||
| Tarun Manroa | MAGN | Restricted Stock Units | Options Exercise | -33.3% | -3,562 | 7,126 | 04 Nov 2025 | Direct | ||
| Thomas Fahnemann | MAGN | Common Stock, Par Value $.01 | Options Exercise | 9.31% | 7,125 | 83,622 | 04 Nov 2025 | Direct | ||
| Thomas Fahnemann | MAGN | Restricted Stock Units | Options Exercise | -100% | -7,125 | 0 | 04 Nov 2025 | Direct | ||
| Jill L. Urey | MAGN | Common Stock, Par Value $.01 | Tax liability | -10% | -441 | 3,947 | 04 Nov 2025 | Direct | ||
| Jill L. Urey | MAGN | Common Stock, Par Value $.01 | Options Exercise | 56.4% | 1,583 | 4,388 | 04 Nov 2025 | Direct | ||
| Jill L. Urey | MAGN | Restricted Stock Units | Options Exercise | -33.3% | -1,583 | 3,167 | 04 Nov 2025 | Direct | ||
| Mary Dean Hall | MAGN | Common Stock, Par Value $.01 | Options Exercise | 9,501 | 9,501 | 04 Nov 2025 | Direct | |||
| Mary Dean Hall | MAGN | Restricted Stock Units | Options Exercise | -100% | -9,501 | 0 | 04 Nov 2025 | Direct | ||
| James Till | MAGN | Common Stock, Par Value $.01 | Tax liability | -42.6% | -2,023 | 2,726 | 04 Nov 2025 | Direct | ||
| James Till | MAGN | Common Stock, Par Value $.01 | Options Exercise | 4,749 | 4,749 | 04 Nov 2025 | Direct | |||
| James Till | MAGN | Restricted Stock Units | Options Exercise | -33.3% | -4,749 | 9,502 | 04 Nov 2025 | Direct | ||
| Michael S. Curless | MAGN | Common Stock, Par Value $.01 | Options Exercise | 9,501 | 9,501 | 04 Nov 2025 | Direct | |||
| Michael S. Curless | MAGN | Restricted Stock Units | Options Exercise | -100% | -9,501 | 0 | 04 Nov 2025 | Direct | ||
| Curt Begle | MAGN | Common Stock, Par Value $.01 | Options Exercise | 18,208 | 18,208 | 04 Nov 2025 | Direct | |||
| Curt Begle | MAGN | Restricted Stock Units | Options Exercise | -33.3% | -18,208 | 36,423 | 04 Nov 2025 | Direct | ||
| Tom Salmon | MAGN | Common Stock, Par Value $.01 | Options Exercise | 9,501 | 9,501 | 04 Nov 2025 | Direct | |||
| Tom Salmon | MAGN | Restricted Stock Units | Options Exercise | -100% | -9,501 | 0 | 04 Nov 2025 | Direct | ||
| Samantha J. Marnick | MAGN | Common Stock, Par Value $.01 | Options Exercise | 237.5% | 9,501 | 13,501 | 04 Nov 2025 | Direct | ||
| Samantha J. Marnick | MAGN | Restricted Stock Units | Options Exercise | -100% | -9,501 | 0 | 04 Nov 2025 | Direct | ||
| Kevin Michael Fogarty | MAGN | Common Stock, Par Value $.01 | Options Exercise | 74.2% | 9,501 | 22,314 | 04 Nov 2025 | Direct | ||
| Kevin Michael Fogarty | MAGN | Restricted Stock Units | Options Exercise | -100% | -9,501 | 0 | 04 Nov 2025 | Direct | ||
| Bruce Brown | MAGN | Common Stock, Par Value $.01 | Options Exercise | 79% | 9,501 | 21,533 | 04 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.