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 |
|---|---|---|---|---|---|
| Raymond James Financial Inc | 26,968 | $316.1K | 0.00% | −4,407−14.0% | Reduced |
| Quantbot Technologies LP | 27,715 | $324.8K | 0.01% | +15,689+130.5% | Added |
| Deutsche Bank AG | 27,872 | $326.7K | 0.00% | +1,507+5.7% | Added |
| Wells Fargo & Company | 28,487 | $333.9K | 0.00% | +2,980+11.7% | Added |
| Marshall Wace, LLP | 28,666 | $336.0K | 0.00% | +28,666 | New |
| California State Teachers Retirement System | 32,330 | $378.9K | 0.00% | +10.0% | Added |
| Bluefin Capital Management, LLC | 34,037 | $398.9K | 0.17% | −27,886−45.0% | Reduced |
| TAM Capital Management Inc. | 34,038 | $398.9K | 0.20% | −64,418−65.4% | Reduced |
| Legal & General Group Plc | 34,639 | $406.0K | 0.00% | 00.0% | Unchanged |
| Tactive Advisors, LLC | 34,778 | $407.6K | 0.12% | +16,612+91.4% | Added |
| Point72 Asset Management, L.P. | 34,970 | $409.9K | 0.00% | +8,914+34.2% | Added |
| Caption Management, LLC | 35,753 | $419.0K | 0.02% | +35,753 | New |
| Alliancebernstein L.P. | 36,938 | $432.9K | 0.00% | +15,600+73.1% | Added |
| ExodusPoint Capital Management, LP | 37,010 | $433.8K | 0.01% | +24,655+199.6% | Added |
| Knightsbridge Asset Management, LLC | 38,719 | $453.8K | 0.08% | +1,441+3.9% | Added |
| Atom Investors LP | 43,441 | $509.1K | 0.04% | +43,441 | New |
| Quest Partners LLC | 44,090 | $516.7K | 0.03% | +39,769+920.4% | Added |
| Barclays PLC | 46,955 | $550.3K | 0.00% | −15,271−24.5% | Reduced |
| Rhumbline Advisers | 49,179 | $576.4K | 0.00% | −2,090−4.1% | Reduced |
| RBF Capital, LLC | 53,992 | $632.8K | 0.03% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 55,084 | $645.6K | 0.00% | +51,982+1,675.8% | Added |
| JPMorgan Chase & Co | 55,803 | $654.0K | 0.00% | +30,404+119.7% | Added |
| Swiss National Bank | 61,631 | $722.3K | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 65,860 | $771.9K | 0.01% | +7,544+12.9% | Added |
| Trexquant Investment LP | 66,378 | $778.0K | 0.01% | −59,872−47.4% | Reduced |
| Bridgeway Capital Management, LLC | 69,706 | $817.0K | 0.02% | +7,544+12.1% | Added |
| Tocqueville Asset Management L.P. | 70,000 | $820.4K | 0.01% | −35,000−33.3% | Reduced |
| Cubist Systematic Strategies, LLC | 72,455 | $849.2K | 0.01% | +25,458+54.2% | Added |
| Nuveen, LLC | 76,962 | $902.0K | 0.00% | −133,512−63.4% | Reduced |
| Bank of America Corp | 77,916 | $913.2K | 0.00% | −133,819−63.2% | Reduced |
| State of Wisconsin Investment Board | 84,987 | $996.0K | 0.00% | +49,505+139.5% | Added |
| HighVista Strategies LLC | 87,100 | $1.02M | 0.25% | −12,600−12.6% | Reduced |
| Invesco Ltd. | 88,700 | $1.04M | 0.00% | +20,892+30.8% | Added |
| Bank of New York Mellon Corp | 88,764 | $1.04M | 0.00% | +5,821+7.0% | Added |
| ING Groep NV | 110,000 | $1.29M | 0.01% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 121,634 | $1.43M | 0.00% | −25,393−17.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 149,042 | $1.75M | 0.01% | +149,042 | New |
| Jump Financial, LLC | 165,903 | $1.94M | 0.02% | +151,733+1,070.8% | Added |
| JB Capital Partners LP | 170,000 | $1.99M | 0.34% | +170,000 | New |
| Clearline Capital LP | 177,401 | $2.08M | 0.18% | +177,401 | New |
| Millennium Management LLC | 209,088 | $2.45M | 0.00% | −511,171−71.0% | Reduced |
| Readystate Asset Management LP | 210,350 | $2.47M | 0.12% | +79,629+60.9% | Added |
| Alpine Global Management, LLC | 229,456 | $2.69M | 0.55% | +129,456+129.5% | Added |
| Dimensional Fund Advisors LP | 254,757 | $2.99M | 0.00% | −245,517−49.1% | Reduced |
| CastleKnight Management LP | 256,000 | $3.00M | 0.16% | +119,200+87.1% | Added |
| D. E. Shaw & Co., Inc. | 259,209 | $3.04M | 0.00% | −196,595−43.1% | Reduced |
| Russell Investments Group, Ltd. | 261,944 | $3.07M | 0.00% | −19,906−7.1% | Reduced |
| Charles Schwab Investment Management Inc | 289,164 | $3.39M | 0.00% | +65,017+29.0% | Added |
| Northern Trust Corp | 292,038 | $3.42M | 0.00% | −2,918−1.0% | Reduced |
| Seven Six Capital Management, LLC | 310,768 | $3.64M | 3.59% | +6,300+2.1% | Added |
| Gratia Capital, LLC | 314,627 | $3.69M | 3.27% | 00.0% | Unchanged |
| Turtle Creek Asset Management Inc. | 314,733 | $3.69M | 0.11% | 00.0% | Unchanged |
| Bracebridge Capital, LLC | 316,854 | $3.71M | 1.55% | +316,854 | New |
| Weiss Asset Management LP | 338,230 | $3.96M | 0.06% | +163,845+94.0% | Added |
| Loews Corp | 360,500 | $4.23M | 0.04% | 00.0% | Unchanged |
| LSV Asset Management | 374,750 | $4.39M | 0.01% | −180,094−32.5% | Reduced |
| Royal Bank of Canada | 418,225 | $4.90M | 0.00% | −93,261−18.2% | Reduced |
| Ameriprise Financial Inc | 427,992 | $5.02M | 0.00% | −3,077−0.7% | Reduced |
| Empyrean Capital Partners, LP | 436,260 | $5.11M | 0.21% | −33,470−7.1% | Reduced |
| J. Goldman & Co LP | 438,697 | $5.14M | 0.19% | −71,822−14.1% | Reduced |
| Diameter Capital Partners LP | 460,313 | $5.39M | 0.57% | 00.0% | Unchanged |
| Citadel Advisors LLC | 474,722 | $5.56M | 0.00% | +392,853+479.9% | Added |
| FMR LLC | 518,626 | $6.08M | 0.00% | +79,591+18.1% | Added |
| Brightline Capital Management, LLC | 560,000 | $6.56M | 2.69% | +5,000+0.9% | Added |
| State Street Corp | 643,600 | $7.54M | 0.00% | +119,939+22.9% | Added |
| UBS Group AG | 689,481 | $8.08M | 0.00% | −410,121−37.3% | Reduced |
| Black Diamond Capital Management I, LLLP | 750,000 | $8.79M | 5.84% | +750,000 | New |
| Assenagon Asset Management S.A. | 753,906 | $8.84M | 0.01% | +408,181+118.1% | Added |
| Geode Capital Management, LLC | 755,760 | $8.86M | 0.00% | −27,653−3.5% | Reduced |
| Canyon Capital Advisors LLC | 810,000 | $9.49M | 1.30% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 840,532 | $9.85M | 0.00% | +23,982+2.9% | Added |
| DG Capital Management, LLC | 1,164,718 | $13.7M | 7.89% | +285,869+32.5% | Added |
| Morgan Stanley | 1,568,548 | $18.4M | 0.00% | −386,532−19.8% | Reduced |
| Ancora Advisors, LLC | 1,737,788 | $20.4M | 0.41% | −189,555−9.8% | Reduced |
| Vanguard Group Inc | 2,143,848 | $25.1M | 0.00% | −226,580−9.6% | Reduced |
| Newtyn Management, LLC | 2,260,000 | $26.5M | 3.24% | −11,500−0.5% | Reduced |
| BlackRock, Inc. | 2,498,522 | $29.3M | 0.00% | −45,476−1.8% | Reduced |
| Engine Capital Management, LP | 2,702,041 | $31.7M | 3.76% | +220,724+8.9% | Added |
| Madison Avenue Partners, LP | 2,832,281 | $33.2M | 1.98% | −511,724−15.3% | Reduced |
| Littlejohn & Co LLC | 3,204,726 | $37.6M | 18.96% | +400,742+14.3% | Added |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −939−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −1,317,215−100.0% | Sold out |
| Scopia Capital Management LP | 0 | $0 | 0.00% | −1,010,794−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −248,143−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −70,426−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −69,265−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −67,682−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −57,885−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −50,544−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −49,644−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −48,725−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −37,099−100.0% | Sold out |
| Contrarian Capital Management, L.L.C. | 0 | $0 | 0.00% | −28,000−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −18,594−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −18,059−100.0% | Sold out |
| Spears Abacus Advisors LLC | 0 | $0 | 0.00% | −14,345−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −13,455−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −6,200−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −1,262−100.0% | Sold out |
| Thompson Investment Management, Inc. | 0 | $0 | 0.00% | −44−100.0% | Sold out |