Magnera Corp
MAGN- Exchange
- NYSE
- Industry
- Paper Mills
- SEC CIK
- 0000041719
No open-market purchases or sales by Magnera Corp insiders were filed in the last 90 days; 179 institutions reported holding it in 13F filings for Q2 2026, worth $427.2M in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding Magnera Corp changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 190 | 2 | 180 | −8 |
| Shares | 39.7M | 790.4K | 36.8M | −2.13M (−5.5%) |
| Value | $479.9M | $9.55M | $431.4M | −$39.0M (−8.3%) |
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (21)
Institutions that held Magnera Corp at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Black Diamond Capital Management I, LLLP | 750,000 | $8.79M | 5.84% |
| Bracebridge Capital, LLC | 316,854 | $3.71M | 1.55% |
| Clearline Capital LP | 177,401 | $2.08M | 0.18% |
| JB Capital Partners LP | 170,000 | $1.99M | 0.34% |
| Jacobs Levy Equity Management, Inc | 149,042 | $1.75M | 0.01% |
| Atom Investors LP | 43,441 | $509.1K | 0.04% |
| Caption Management, LLC | 35,753 | $419.0K | 0.02% |
| Marshall Wace, LLP | 28,666 | $336.0K | 0.00% |
| Squarepoint Ops LLC | 26,686 | $312.8K | 0.00% |
| Brevan Howard Capital Management LP | 17,279 | $202.5K | 0.00% |
| Graham Capital Management, L.P. | 14,376 | $168.5K | 0.01% |
| Gsa Capital Partners LLP | 13,033 | $153.0K | 0.01% |
| First Trust Advisors LP | 11,879 | $139.2K | 0.00% |
| Fox Run Management, L.L.C. | 11,022 | $129.2K | 0.02% |
| Aquatic Capital Management LLC | 8,435 | $98.9K | 0.00% |
| Point72 (DIFC) Ltd | 3,011 | $35.3K | 0.00% |
| Financial Consulate, Inc | 844 | $9.89K | 0.00% |
| Rockefeller Capital Management L.P. | 461 | $5.40K | 0.00% |
| Quadrant Capital Group LLC | 232 | $2.72K | 0.00% |
| Essential Partners LLC | 27 | $316 | 0.00% |
| Advisory Services Network, LLC | 5 | $59 | 0.00% |
Sold out (29)
Institutions that held Magnera Corp at the end of Q2 2025 and filed for Q3 2025 without it.
Not filed for Q3 2025 yet (2)
Institutions that held Magnera Corp at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Black Diamond Capital Management, L.L.C. | 750,000 | $9.06M |
| Norges Bank | 40,433 | $488.4K |