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.
13F holders, Q4 2025
Institutional positions in Magnera Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 189
- +14 vs. Q3 2025
- Shares held
- 37.5M
- +761.0K (+2.1%) vs. Q3 2025
- Total value
- $567.3M
- +$137.0M (+31.8%) vs. Q3 2025
- New holders
- 47
- 51 more added
- Sold out
- 33
- 69 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MAGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 179 | $427.2M |
| Q1 2026 | 175 | $347.6M |
| Q4 2025 | 189 | $567.3M |
| Q3 2025 | 180 | $431.4M |
| Q2 2025 | 190 | $479.9M |
| Q1 2025 | 215 | $639.5M |
| Q4 2024 | 232 | $635.6M |
| Q3 2024 | 77 | $51.7M |
| Q2 2024 | 92 | $45.0M |
| Q1 2024 | 97 | $72.1M |
| Q4 2023 | 97 | $67.5M |
| Q3 2023 | 97 | $69.9M |
| Q2 2023 | 115 | $108.1M |
| Q1 2023 | 119 | $116.8M |
| Q4 2022 | 135 | $103.2M |
| Q3 2022 | 136 | $121.7M |
| Q2 2022 | 152 | $280.6M |
| Q1 2022 | 158 | $503.7M |
| Q4 2021 | 141 | $705.3M |
| Q3 2021 | 142 | $572.9M |
| Q2 2021 | 138 | $562.9M |
| Q1 2021 | 137 | $697.6M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Magnera Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Littlejohn & Co LLC | 2,593,887 | $39.3M | 20.47% | −610,839−19.1% | Reduced |
| Morgan Stanley | 2,422,467 | $36.7M | 0.00% | +853,919+54.4% | Added |
| BlackRock, Inc. | 2,375,925 | $36.0M | 0.00% | −122,597−4.9% | Reduced |
| Newtyn Management, LLC | 2,360,000 | $35.7M | 3.78% | +100,000+4.4% | Added |
| Engine Capital Management, LP | 2,243,827 | $34.0M | 4.69% | −458,214−17.0% | Reduced |
| Vanguard Group Inc | 2,184,219 | $33.1M | 0.00% | +40,371+1.9% | Added |
| Madison Avenue Partners, LP | 1,780,649 | $27.0M | 1.16% | −1,051,632−37.1% | Reduced |
| Diameter Capital Partners LP | 1,205,793 | $18.3M | 1.91% | +745,480+162.0% | Added |
| Jefferies Financial Group Inc. | 994,619 | $15.1M | 0.12% | +994,619 | New |
| Nuveen, LLC | 823,177 | $12.5M | 0.00% | +746,215+969.6% | Added |
| Canyon Capital Advisors LLC | 810,000 | $12.3M | 1.61% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 805,693 | $12.2M | 0.01% | +546,484+210.8% | Added |
| Goldman Sachs Group Inc | 788,936 | $11.9M | 0.00% | −51,596−6.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 786,083 | $11.9M | 0.05% | +637,041+427.4% | Added |
| Geode Capital Management, LLC | 745,967 | $11.3M | 0.00% | −9,793−1.3% | Reduced |
| Assenagon Asset Management S.A. | 742,425 | $11.2M | 0.02% | −11,481−1.5% | Reduced |
| Clearline Capital LP | 660,605 | $10.0M | 0.75% | +483,204+272.4% | Added |
| State Street Corp | 640,991 | $9.70M | 0.00% | −2,609−0.4% | Reduced |
| SG Americas Securities, LLC | 557,810 | $8.45M | 0.01% | +557,810 | New |
| Citadel Advisors LLC | 550,392 | $8.33M | 0.01% | +75,670+15.9% | Added |
| J. Goldman & Co LP | 538,220 | $8.15M | 0.32% | +99,523+22.7% | Added |
| Ameriprise Financial Inc | 519,946 | $7.87M | 0.00% | +91,954+21.5% | Added |
| Millennium Management LLC | 518,044 | $7.84M | 0.01% | +308,956+147.8% | Added |
| JB Capital Partners LP | 515,000 | $7.80M | 1.34% | +345,000+202.9% | Added |
| Ancora Advisors, LLC | 425,514 | $6.44M | 0.13% | −1,312,274−75.5% | Reduced |
| Charles Schwab Investment Management Inc | 402,244 | $6.09M | 0.00% | +113,080+39.1% | Added |
| UBS Group AG | 392,370 | $5.94M | 0.00% | −297,111−43.1% | Reduced |
| Russell Investments Group, Ltd. | 368,309 | $5.58M | 0.01% | +106,365+40.6% | Added |
| LSV Asset Management | 335,058 | $5.07M | 0.01% | −39,692−10.6% | Reduced |
| Verition Fund Management LLC | 329,931 | $5.00M | 0.03% | +329,931 | New |
| Gratia Capital, LLC | 314,627 | $4.76M | 4.26% | 00.0% | Unchanged |
| Loews Corp | 300,000 | $4.54M | 0.04% | −60,500−16.8% | Reduced |
| Algert Global LLC | 290,676 | $4.40M | 0.07% | +290,676 | New |
| Seven Six Capital Management, LLC | 281,518 | $4.26M | 4.29% | −29,250−9.4% | Reduced |
| BNP Paribas Arbitrage, SA | 279,930 | $4.24M | 0.00% | +224,846+408.2% | Added |
| JPMorgan Chase & Co | 251,037 | $3.80M | 0.00% | +195,234+349.9% | Added |
| Walleye Capital LLC | 245,997 | $3.72M | 0.02% | +245,997 | New |
| Northern Trust Corp | 245,654 | $3.72M | 0.00% | −46,384−15.9% | Reduced |
| Bank of America Corp | 233,565 | $3.54M | 0.00% | +155,649+199.8% | Added |
| Jane Street Group, LLC | 215,920 | $3.27M | 0.00% | +215,920 | New |
| Trexquant Investment LP | 202,199 | $3.06M | 0.03% | +135,821+204.6% | Added |
| CastleKnight Management LP | 183,495 | $2.78M | 0.16% | −72,505−28.3% | Reduced |
| Point72 Asset Management, L.P. | 173,366 | $2.62M | 0.00% | +138,396+395.8% | Added |
| Invesco Ltd. | 161,834 | $2.45M | 0.00% | +73,134+82.5% | Added |
| Jump Financial, LLC | 160,113 | $2.42M | 0.03% | −5,790−3.5% | Reduced |
| Squarepoint Ops LLC | 158,450 | $2.40M | 0.00% | +131,764+493.8% | Added |
| Tudor Investment Corp Et Al | 155,016 | $2.35M | 0.01% | +155,016 | New |
| FMR LLC | 133,962 | $2.03M | 0.00% | −384,664−74.2% | Reduced |
| Weiss Asset Management LP | 132,764 | $2.01M | 0.03% | −205,466−60.7% | Reduced |
| Gsa Capital Partners LLP | 128,095 | $1.94M | 0.17% | +115,062+882.9% | Added |
| Dimensional Fund Advisors LP | 122,136 | $1.85M | 0.00% | −132,621−52.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 120,715 | $1.83M | 0.00% | +120,715 | New |
| Quantbot Technologies LP | 111,506 | $1.69M | 0.06% | +83,791+302.3% | Added |
| ING Groep NV | 110,000 | $1.67M | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 95,081 | $1.44M | 0.00% | +95,081 | New |
| Readystate Asset Management LP | 94,131 | $1.43M | 0.06% | −116,219−55.3% | Reduced |
| State of Wisconsin Investment Board | 92,405 | $1.40M | 0.00% | +7,418+8.7% | Added |
| Engineers Gate Manager LP | 87,882 | $1.33M | 0.02% | +87,882 | New |
| Bank of New York Mellon Corp | 87,600 | $1.33M | 0.00% | −1,164−1.3% | Reduced |
| Quinn Opportunity Partners LLC | 85,868 | $1.30M | 0.06% | +85,868 | New |
| Man Group plc | 85,382 | $1.29M | 0.00% | +85,382 | New |
| Bridgeway Capital Management, LLC | 76,789 | $1.16M | 0.02% | +7,083+10.2% | Added |
| Empowered Funds, LLC | 72,943 | $1.10M | 0.02% | +7,083+10.8% | Added |
| Aristeia Capital LLC | 62,996 | $953.8K | 0.03% | +62,996 | New |
| Public Employees Retirement System of Ohio | 57,869 | $876.1K | 0.00% | +40,331+230.0% | Added |
| ExodusPoint Capital Management, LP | 56,025 | $848.2K | 0.01% | +19,015+51.4% | Added |
| Counterpoint Mutual Funds LLC | 54,410 | $823.8K | 0.06% | +54,410 | New |
| RBF Capital, LLC | 53,992 | $817.4K | 0.04% | 00.0% | Unchanged |
| Voleon Capital Management LP | 52,218 | $790.6K | 0.02% | +52,218 | New |
| Alpine Global Management, LLC | 50,000 | $757.0K | 0.17% | −179,456−78.2% | Reduced |
| Barclays PLC | 49,805 | $754.0K | 0.00% | +2,850+6.1% | Added |
| Oxford Asset Management LLP | 42,188 | $638.7K | 0.23% | +42,188 | New |
| Rhumbline Advisers | 41,110 | $622.4K | 0.00% | −8,069−16.4% | Reduced |
| Jain Global LLC | 38,869 | $588.5K | 0.01% | +38,869 | New |
| XTX Topco Ltd | 38,481 | $582.6K | 0.02% | +38,481 | New |
| Wells Fargo & Company | 37,927 | $574.2K | 0.00% | +9,440+33.1% | Added |
| Knightsbridge Asset Management, LLC | 37,289 | $564.6K | 0.09% | −1,430−3.7% | Reduced |
| DG Capital Management, LLC | 36,775 | $556.8K | 0.45% | −1,127,943−96.8% | Reduced |
| Alliancebernstein L.P. | 35,534 | $538.0K | 0.00% | −1,404−3.8% | Reduced |
| Axq Capital, LP | 34,770 | $526.4K | 0.12% | +34,770 | New |
| Marshall Wace, LLP | 32,623 | $493.9K | 0.00% | +3,957+13.8% | Added |
| Price T Rowe Associates Inc | 31,277 | $474.0K | 0.00% | +13,576+76.7% | Added |
| Two Sigma Advisers, LP | 31,052 | $470.1K | 0.00% | +8,188+35.8% | Added |
| Tactive Advisors, LLC | 30,469 | $461.3K | 0.14% | −4,309−12.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 29,659 | $449.0K | 0.01% | +29,659 | New |
| PharVision Advisers, LLC | 29,209 | $442.2K | 0.22% | +29,209 | New |
| Citigroup Inc | 29,011 | $439.2K | 0.00% | +20,502+240.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 28,179 | $426.6K | 0.01% | +10,557+59.9% | Added |
| Raymond James Financial Inc | 26,864 | $406.7K | 0.00% | −104−0.4% | Reduced |
| Deutsche Bank AG | 25,271 | $382.6K | 0.00% | −2,601−9.3% | Reduced |
| Atom Investors LP | 22,994 | $348.1K | 0.03% | −20,447−47.1% | Reduced |
| Aquatic Capital Management LLC | 22,938 | $347.3K | 0.01% | +14,503+171.9% | Added |
| Brown Advisory Inc | 22,054 | $333.9K | 0.00% | −1,860−7.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 21,450 | $325.0K | 0.07% | +21,450 | New |
| Creative Planning | 19,694 | $298.2K | 0.00% | +19,694 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 18,567 | $281.1K | 0.00% | −1,074−5.5% | Reduced |
| Franklin Resources Inc | 18,490 | $279.9K | 0.00% | +18,490 | New |
| Quest Partners LLC | 18,359 | $278.0K | 0.02% | −25,731−58.4% | Reduced |
| Glenmede Trust Co NA | 17,730 | $268.4K | 0.00% | +17,730 | New |
| Schonfeld Strategic Advisors LLC | 16,576 | $251.0K | 0.00% | +16,576 | New |