Institutional Ownership
Magnera Corp
CUSIP 55939A107COM SHSMAGNQ1 2026
13D / 13G Filings
18
Schedule 13D/13G on record
Beneficial Filers
12
Distinct reporting persons
Largest Stake
11.0%
Max % of class reported
Institutional Holders
169
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
18 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Madison Avenue International LP | 13G/A | 5.0% | 1.78M | SEC |
| 2 | Feb 13, 2026 | Ancora Advisors LLC | 13G | 1.5% | 533.2K | SEC |
| 3 | Feb 12, 2026 | Morgan Stanley | 13G | 6.5% | 2.32M | SEC |
| 4 | Nov 14, 2025 | Madison Avenue Partners, LP | 13G/A | 8.0% | 2.83M | SEC |
| 5 | Nov 7, 2025 | Morgan Stanley | 13G/A | 4.4% | 1.55M | SEC |
| 6 | Aug 14, 2025 | Newtyn Management, LLC | 13G | 6.4% | 2.27M | SEC |
| 7 | Aug 8, 2025 | Cetus Capital Vi, L.P. | 13G/A | 11.0% | 2.80M | SEC |
| 8 | Aug 6, 2025 | Morgan Stanley | 13G | 5.4% | 1.94M | SEC |
| 9 | Jul 29, 2025 | The Vanguard Group | 13G/A | 6.7% | 2.37M | SEC |
| 10 | Jul 17, 2025 | Blackrock, Inc. | 13G | 7.1% | 2.52M | SEC |
8 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Magnera Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Newtyn Management, LLC | 2.76M | $26.25M |
| 2 | Littlejohn & Co LLC | 2.43M | $23.07M |
| 3 | Blackrock, Inc. | 2.39M | $22.73M |
| 4 | Engine Capital Management, LP | 2.24M | $21.34M |
| 5 | Morgan Stanley | 1.97M | $18.71M |
| 6 | Madison Avenue Partners, LP | 1.59M | $15.13M |
| 7 | Dg Capital Management, LLC | 1.21M | $11.48M |
| 8 | Diameter Capital Partners LP | 1.21M | $11.47M |
| 9 | D. E. Shaw & Co., Inc. | 896.2K | $8.52M |
| 10 | Canyon Capital Advisors LLC | 810.0K | $7.70M |