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, Q3 2025
Institutional positions in Magnera Corp as of Sep 30, 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
- 180
- −8 vs. Q2 2025
- Shares held
- 36.8M
- −2.13M (−5.5%) vs. Q2 2025
- Total value
- $431.4M
- −$39.0M (−8.3%) vs. Q2 2025
- New holders
- 21
- 51 more added
- Sold out
- 29
- 70 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Magnera Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Littlejohn & Co LLC | 3,204,726 | $37.6M | 18.96% | +400,742+14.3% | Added |
| Madison Avenue Partners, LP | 2,832,281 | $33.2M | 1.98% | −511,724−15.3% | Reduced |
| Engine Capital Management, LP | 2,702,041 | $31.7M | 3.76% | +220,724+8.9% | Added |
| BlackRock, Inc. | 2,498,522 | $29.3M | 0.00% | −45,476−1.8% | Reduced |
| Newtyn Management, LLC | 2,260,000 | $26.5M | 3.24% | −11,500−0.5% | Reduced |
| Vanguard Group Inc | 2,143,848 | $25.1M | 0.00% | −226,580−9.6% | Reduced |
| Ancora Advisors, LLC | 1,737,788 | $20.4M | 0.41% | −189,555−9.8% | Reduced |
| Morgan Stanley | 1,568,548 | $18.4M | 0.00% | −386,532−19.8% | Reduced |
| DG Capital Management, LLC | 1,164,718 | $13.7M | 7.89% | +285,869+32.5% | Added |
| Goldman Sachs Group Inc | 840,532 | $9.85M | 0.00% | +23,982+2.9% | Added |
| Canyon Capital Advisors LLC | 810,000 | $9.49M | 1.30% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 755,760 | $8.86M | 0.00% | −27,653−3.5% | Reduced |
| Assenagon Asset Management S.A. | 753,906 | $8.84M | 0.01% | +408,181+118.1% | Added |
| Black Diamond Capital Management I, LLLP | 750,000 | $8.79M | 5.84% | +750,000 | New |
| UBS Group AG | 689,481 | $8.08M | 0.00% | −410,121−37.3% | Reduced |
| State Street Corp | 643,600 | $7.54M | 0.00% | +119,939+22.9% | Added |
| Brightline Capital Management, LLC | 560,000 | $6.56M | 2.69% | +5,000+0.9% | Added |
| FMR LLC | 518,626 | $6.08M | 0.00% | +79,591+18.1% | Added |
| Citadel Advisors LLC | 474,722 | $5.56M | 0.00% | +392,853+479.9% | Added |
| Diameter Capital Partners LP | 460,313 | $5.39M | 0.57% | 00.0% | Unchanged |
| J. Goldman & Co LP | 438,697 | $5.14M | 0.19% | −71,822−14.1% | Reduced |
| Empyrean Capital Partners, LP | 436,260 | $5.11M | 0.21% | −33,470−7.1% | Reduced |
| Ameriprise Financial Inc | 427,992 | $5.02M | 0.00% | −3,077−0.7% | Reduced |
| Royal Bank of Canada | 418,225 | $4.90M | 0.00% | −93,261−18.2% | Reduced |
| LSV Asset Management | 374,750 | $4.39M | 0.01% | −180,094−32.5% | Reduced |
| Loews Corp | 360,500 | $4.23M | 0.04% | 00.0% | Unchanged |
| Weiss Asset Management LP | 338,230 | $3.96M | 0.06% | +163,845+94.0% | Added |
| Bracebridge Capital, LLC | 316,854 | $3.71M | 1.55% | +316,854 | New |
| Turtle Creek Asset Management Inc. | 314,733 | $3.69M | 0.11% | 00.0% | Unchanged |
| Gratia Capital, LLC | 314,627 | $3.69M | 3.27% | 00.0% | Unchanged |
| Seven Six Capital Management, LLC | 310,768 | $3.64M | 3.59% | +6,300+2.1% | Added |
| Northern Trust Corp | 292,038 | $3.42M | 0.00% | −2,918−1.0% | Reduced |
| Charles Schwab Investment Management Inc | 289,164 | $3.39M | 0.00% | +65,017+29.0% | Added |
| Russell Investments Group, Ltd. | 261,944 | $3.07M | 0.00% | −19,906−7.1% | Reduced |
| D. E. Shaw & Co., Inc. | 259,209 | $3.04M | 0.00% | −196,595−43.1% | Reduced |
| CastleKnight Management LP | 256,000 | $3.00M | 0.16% | +119,200+87.1% | Added |
| Dimensional Fund Advisors LP | 254,757 | $2.99M | 0.00% | −245,517−49.1% | Reduced |
| Alpine Global Management, LLC | 229,456 | $2.69M | 0.55% | +129,456+129.5% | Added |
| Readystate Asset Management LP | 210,350 | $2.47M | 0.12% | +79,629+60.9% | Added |
| Millennium Management LLC | 209,088 | $2.45M | 0.00% | −511,171−71.0% | Reduced |
| Clearline Capital LP | 177,401 | $2.08M | 0.18% | +177,401 | New |
| JB Capital Partners LP | 170,000 | $1.99M | 0.34% | +170,000 | New |
| Jump Financial, LLC | 165,903 | $1.94M | 0.02% | +151,733+1,070.8% | Added |
| Jacobs Levy Equity Management, Inc | 149,042 | $1.75M | 0.01% | +149,042 | New |
| UBS Asset Management Americas Inc | 121,634 | $1.43M | 0.00% | −25,393−17.3% | Reduced |
| ING Groep NV | 110,000 | $1.29M | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 88,764 | $1.04M | 0.00% | +5,821+7.0% | Added |
| Invesco Ltd. | 88,700 | $1.04M | 0.00% | +20,892+30.8% | Added |
| HighVista Strategies LLC | 87,100 | $1.02M | 0.25% | −12,600−12.6% | Reduced |
| State of Wisconsin Investment Board | 84,987 | $996.0K | 0.00% | +49,505+139.5% | Added |
| Bank of America Corp | 77,916 | $913.2K | 0.00% | −133,819−63.2% | Reduced |
| Nuveen, LLC | 76,962 | $902.0K | 0.00% | −133,512−63.4% | Reduced |
| Cubist Systematic Strategies, LLC | 72,455 | $849.2K | 0.01% | +25,458+54.2% | Added |
| Tocqueville Asset Management L.P. | 70,000 | $820.4K | 0.01% | −35,000−33.3% | Reduced |
| Bridgeway Capital Management, LLC | 69,706 | $817.0K | 0.02% | +7,544+12.1% | Added |
| Trexquant Investment LP | 66,378 | $778.0K | 0.01% | −59,872−47.4% | Reduced |
| Empowered Funds, LLC | 65,860 | $771.9K | 0.01% | +7,544+12.9% | Added |
| Swiss National Bank | 61,631 | $722.3K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 55,803 | $654.0K | 0.00% | +30,404+119.7% | Added |
| BNP Paribas Arbitrage, SA | 55,084 | $645.6K | 0.00% | +51,982+1,675.8% | Added |
| RBF Capital, LLC | 53,992 | $632.8K | 0.03% | 00.0% | Unchanged |
| Rhumbline Advisers | 49,179 | $576.4K | 0.00% | −2,090−4.1% | Reduced |
| Barclays PLC | 46,955 | $550.3K | 0.00% | −15,271−24.5% | Reduced |
| Quest Partners LLC | 44,090 | $516.7K | 0.03% | +39,769+920.4% | Added |
| Atom Investors LP | 43,441 | $509.1K | 0.04% | +43,441 | New |
| Knightsbridge Asset Management, LLC | 38,719 | $453.8K | 0.08% | +1,441+3.9% | Added |
| ExodusPoint Capital Management, LP | 37,010 | $433.8K | 0.01% | +24,655+199.6% | Added |
| Alliancebernstein L.P. | 36,938 | $432.9K | 0.00% | +15,600+73.1% | Added |
| Caption Management, LLC | 35,753 | $419.0K | 0.02% | +35,753 | New |
| Point72 Asset Management, L.P. | 34,970 | $409.9K | 0.00% | +8,914+34.2% | Added |
| Tactive Advisors, LLC | 34,778 | $407.6K | 0.12% | +16,612+91.4% | Added |
| Legal & General Group Plc | 34,639 | $406.0K | 0.00% | 00.0% | Unchanged |
| TAM Capital Management Inc. | 34,038 | $398.9K | 0.20% | −64,418−65.4% | Reduced |
| Bluefin Capital Management, LLC | 34,037 | $398.9K | 0.17% | −27,886−45.0% | Reduced |
| California State Teachers Retirement System | 32,330 | $378.9K | 0.00% | +10.0% | Added |
| Marshall Wace, LLP | 28,666 | $336.0K | 0.00% | +28,666 | New |
| Wells Fargo & Company | 28,487 | $333.9K | 0.00% | +2,980+11.7% | Added |
| Deutsche Bank AG | 27,872 | $326.7K | 0.00% | +1,507+5.7% | Added |
| Quantbot Technologies LP | 27,715 | $324.8K | 0.01% | +15,689+130.5% | Added |
| Raymond James Financial Inc | 26,968 | $316.1K | 0.00% | −4,407−14.0% | Reduced |
| Squarepoint Ops LLC | 26,686 | $312.8K | 0.00% | +26,686 | New |
| Brown Advisory Inc | 23,914 | $280.3K | 0.00% | −1,222−4.9% | Reduced |
| Two Sigma Advisers, LP | 22,864 | $268.0K | 0.00% | −296−1.3% | Reduced |
| Limestone Investment Advisors LP | – | $235.5K | 0.11% | – | – |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 19,641 | $230.2K | 0.00% | +1,074+5.8% | Added |
| Price T Rowe Associates Inc | 17,701 | $208.0K | 0.00% | +1,040+6.2% | Added |
| Glenmede Investment Management, LP | 17,692 | $207.3K | 0.00% | −23−0.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 17,622 | $206.5K | 0.00% | −46,147−72.4% | Reduced |
| Public Employees Retirement System of Ohio | 17,538 | $205.5K | 0.00% | +16,733+2,078.6% | Added |
| Brevan Howard Capital Management LP | 17,279 | $202.5K | 0.00% | +17,279 | New |
| MetLife Investment Management | 16,013 | $187.7K | 0.00% | −4,278−21.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 15,614 | $183.0K | 0.00% | −2,618−14.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,694 | $172.2K | 0.00% | +5,250+55.6% | Added |
| Graham Capital Management, L.P. | 14,376 | $168.5K | 0.01% | +14,376 | New |
| Atria Investments LLC | 14,285 | $167.4K | 0.00% | −66−0.5% | Reduced |
| Diametric Capital, LP | 14,235 | $166.8K | 0.06% | −4,240−22.9% | Reduced |
| Janus Henderson Group PLC | 13,741 | $161.1K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 13,121 | $153.8K | 0.00% | −2,929−18.2% | Reduced |
| Gsa Capital Partners LLP | 13,033 | $153.0K | 0.01% | +13,033 | New |
| Catalyst Funds Management Pty Ltd | 12,600 | $147.7K | 0.02% | −21,480−63.0% | Reduced |