MagneraMAGN
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 174 institutions reported holding Magnera Corp. (MAGN) in their 13F filings, down 13 from Q4 2025. 21 opened new positions and 31 sold out. The largest holders were Newtyn Management, LLC ($26.2M), Littlejohn & Co. LLC ($23.1M) and BlackRock, Inc. ($22.7M). 5 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Magnera Corp.
- CUSIP
- 55939A107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $10.5M |
| Exits | 31 | $36.2M |
All 13F filers, Q4 2025 → Q1 2026: 5,737,666 shares bought and 6,516,543 shares sold, net −778,877 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 174 holders
| Newtyn Management, LLC | 2.80% | Add +16.9% | 2,760,000 | $26.2M |
| Littlejohn & Co. LLC | 21.86% | Reduce -6.5% | 2,425,818 | $23.1M |
| BlackRock, Inc. | 0.00% | Add +0.6% | 2,390,007 | $22.7M |
| Engine Capital Management, LP | 2.58% | No change | 2,243,827 | $21.3M |
| Morgan Stanley | 0.00% | Reduce -18.8% | 1,967,831 | $18.7M |
| Madison Avenue Partners, LP | 0.66% | Reduce -10.7% | 1,590,616 | $15.1M |
| Vanguard Capital Management LLC | 0.00% | — | 1,533,277 | $14.6M |
| DG Capital Management, LLC | 5.81% | Add +3183.1% | 1,207,356 | $11.5M |
| Diameter Capital Partners LP | 2.57% | No change | 1,205,793 | $11.5M |
| D. E. Shaw & Co. | 0.01% | Add +11.2% | 896,215 | $8.5M |
| Canyon Capital Advisors LLC | 1.00% | No change | 810,000 | $7.7M |
| JPMorgan Chase & Co. | 0.00% | Add +230.2% | 828,799 | $7.4M |
| Geode Capital Management, LLC | 0.00% | Add +4.6% | 780,258 | $7.4M |
| Assenagon Asset Management S.A. | 0.01% | No change | 742,425 | $7.1M |
| Clearline Capital LP | 0.55% | Add +11.8% | 738,317 | $7.0M |
| Ancora Advisors LLC | 0.15% | Add +69.5% | 721,090 | $6.9M |
| State Street Corp. | 0.00% | Add +2.5% | 656,868 | $6.2M |
| JB Capital Partners LP | 1.07% | Add +27.2% | 655,000 | $6.2M |
| Thompson Siegel & Walmsley LLC | 0.10% | New | 574,264 | $5.5M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Reduce -33.2% | 524,890 | $5.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -2.2% | 508,525 | $4.8M |
| Russell Investments Group, Ltd. | 0.01% | Add +37.8% | 507,447 | $4.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +12.8% | 453,697 | $4.3M |
| Verition Fund Management LLC | 0.04% | Add +31.0% | 432,303 | $4.1M |
| Algert Global LLC | 0.06% | Add +35.4% | 393,615 | $3.7M |
| J. Goldman & Co LP | 0.17% | Reduce -28.0% | 387,281 | $3.7M |
| Seven Six Capital Management, LLC | 3.83% | Add +33.2% | 374,868 | $3.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -54.0% | 362,999 | $3.5M |
| Citadel Advisors | 0.00% | Reduce -42.8% | 314,819 | $3.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 314,409 | $3.0M |
| BNP Paribas Financial Markets | 0.00% | Add +8.9% | 304,910 | $2.9M |
| Loews Corp | 0.02% | No change | 300,000 | $2.9M |
| Gratia Capital, LLC | 2.70% | Reduce -4.8% | 299,627 | $2.8M |
| UBS Group AG | 0.00% | Reduce -25.0% | 294,146 | $2.8M |
| Trexquant Investment LP | 0.02% | Add +42.1% | 287,304 | $2.7M |
| Tudor Investment Corporation | 0.01% | Add +73.7% | 269,250 | $2.6M |
| Northern Trust Corp. | 0.00% | Add +3.6% | 254,574 | $2.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +107.9% | 253,908 | $2.4M |
| LSV Asset Management | 0.01% | Reduce -27.0% | 244,493 | $2.3M |
| American Century Companies Inc. | 0.00% | New | 221,133 | $2.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 216,581 | $2.1M |
| State of Wisconsin Investment Board | 0.00% | Add +119.6% | 202,888 | $1.9M |
| Readystate Asset Management LP | 0.20% | Add +114.8% | 202,213 | $1.9M |
| Millennium Management | 0.00% | Reduce -61.4% | 199,969 | $1.9M |
| Bridgeway Capital Management, LLC | 0.04% | Add +159.0% | 198,883 | $1.9M |
| Man Group plc | 0.00% | Add +117.2% | 185,430 | $1.8M |
| CastleKnight Management LP | 0.08% | No change | 183,495 | $1.7M |
| Squarepoint Ops LLC | 0.00% | Add +12.3% | 177,878 | $1.7M |
| Jump Financial, LLC | 0.03% | Add +8.2% | 173,262 | $1.6M |
| AQR Capital Management | 0.00% | New | 145,579 | $1.4M |
| Empowered Funds, LLC | 0.01% | Add +83.8% | 134,037 | $1.3M |
| Engineers Gate Manager LP | 0.01% | Add +38.2% | 121,427 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | Add +38.2% | 121,035 | $1.2M |
| Weiss Asset Management LP | 0.03% | Reduce -11.5% | 117,506 | $1.1M |
| Invesco Ltd. | 0.00% | Reduce -29.6% | 113,877 | $1.1M |
| ING Groep NV | 0.01% | No change | 110,000 | $1.0M |
| XTX Topco Ltd | 0.02% | Add +167.6% | 102,976 | $979K |
| Alpine Global Management, LLC | 0.17% | Add +100.0% | 100,000 | $951K |
| Nuveen, LLC | 0.00% | Reduce -89.0% | 90,724 | $863K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Add +200.8% | 89,211 | $848K |
| Vanguard Global Advisers, LLC | 0.00% | — | 80,346 | $764K |
| Raymond James Financial Inc. | 0.00% | Add +193.9% | 78,955 | $751K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | Add +178.8% | 78,572 | $747K |
| Quinn Opportunity Partners LLC | 0.04% | Reduce -11.9% | 75,624 | $719K |
| Gsa Capital Partners LLP | 0.04% | Reduce -43.6% | 72,180 | $686K |
| FMR LLC | 0.00% | Reduce -50.1% | 66,807 | $635K |
| Bank of America Corp. | 0.00% | Reduce -75.3% | 57,788 | $550K |
| ExodusPoint Capital Management, LP | 0.01% | Add +2.9% | 57,671 | $548K |
| Alliancebernstein L.P. | 0.00% | No change | 35,534 | $538K |
| Voleon Capital Management LP | 0.01% | Add +6.1% | 55,410 | $527K |
| Marshall Wace, LLP | 0.00% | Add +69.1% | 55,167 | $525K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -8.9% | 52,691 | $501K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -61.4% | 46,599 | $443K |
| RBF Capital, LLC | 0.02% | Reduce -15.7% | 45,492 | $433K |
| Rhumbline Advisers | 0.00% | Reduce -0.2% | 41,030 | $390K |
| Knightsbridge Asset Management, LLC | 0.05% | Reduce -2.2% | 36,480 | $347K |
| T. Rowe Price Associates Inc. | 0.00% | Add +15.1% | 36,012 | $343K |
| Tactive Advisors, LLC | 0.09% | Add +14.5% | 34,895 | $332K |
| Walleye Capital LLC | 0.00% | Reduce -87.5% | 30,646 | $291K |
| Fox Run Management, L.L.C. | 0.04% | New | 28,190 | $253K |
| Sterling Capital Management LLC | 0.00% | Add +1328.6% | 26,315 | $250K |
| Voya Investment Management LLC | 0.00% | New | 25,036 | $238K |
| Canada Pension Plan Investment Board | 0.00% | Add +57.2% | 23,900 | $227K |
| Two Sigma Investments, LP | 0.00% | New | 23,481 | $223K |
| Citigroup Inc. | 0.00% | Reduce -23.8% | 22,104 | $210K |
| Brown Advisory Inc. | 0.00% | No change | 22,054 | $210K |
| Prelude Capital Management, LLC | 0.01% | Add +24.2% | 19,299 | $184K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | No change | 18,567 | $177K |
| Franklin Resources Inc. | 0.00% | Reduce -0.8% | 18,345 | $174K |
| MetLife Investment Management, LLC | 0.00% | Add +11.1% | 18,230 | $173K |
| Magnetar Financial LLC | 0.00% | New | 18,160 | $173K |
| Glenmede Trust Co. NA | 0.00% | Reduce -8.5% | 16,230 | $154K |
| Atria Investments, Inc | 0.00% | Add +3.2% | 16,061 | $153K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.9% | 15,399 | $146K |
| Oppenheimer Asset Management Inc. | 0.00% | New | 15,384 | $146K |
| HSBC Holdings PLC | 0.00% | New | 15,687 | $146K |
| State of Wyoming | 0.02% | New | 15,176 | $144K |
| Creative Planning | 0.00% | Reduce -25.6% | 14,642 | $139K |
| Wells Fargo & Company | 0.00% | Reduce -62.7% | 14,148 | $135K |
| Sei Investments Co. | 0.00% | Reduce -12.4% | 12,741 | $122K |
| Quantbot Technologies LP | 0.00% | Reduce -88.8% | 12,513 | $119K |
| Susquehanna International Group, LLP | 0.00% | Reduce -87.6% | 11,828 | $112K |
| Graham Capital Management, L.P. | 0.01% | New | 11,715 | $111K |
| Deutsche Bank AG | 0.00% | Reduce -55.1% | 11,340 | $108K |
| National Philanthropic Trust | 0.00% | New | 10,918 | $104K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 10,164 | $97K |
| Valeo Financial Advisors, LLC | 0.00% | No change | 10,000 | $95K |
| Barclays PLC | 0.00% | Reduce -82.9% | 8,513 | $81K |
| New York State Common Retirement Fund | 0.00% | Reduce -37.1% | 6,600 | $63K |
| GAMMA Investing LLC | 0.00% | Add +13.2% | 4,156 | $40K |
| Legal & General Group Plc | 0.00% | No change | 2,756 | $26K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,594 | $25K |
| Cwm, LLC | 0.00% | Add +690.2% | 2,181 | $21K |
| Royal Bank of Canada | 0.00% | Reduce -45.0% | 2,150 | $20K |
| US Bancorp \de | 0.00% | Add +550.5% | 1,997 | $19K |
| California State Teachers Retirement System | 0.00% | Reduce -12.1% | 1,729 | $16K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +140.4% | 1,642 | $16K |
| Quadrant Capital Group LLC | 0.00% | Reduce -22.4% | 1,444 | $14K |
| Rockefeller Capital Management L.P. | 0.00% | Add +190.9% | 1,344 | $13K |
| National Bank of Canada | 0.00% | No change | 1,010 | $10K |
| Essential Partners LLC | 0.00% | New | 892 | $8K |
| Federation des caisses Desjardins du Quebec | 0.00% | Reduce -7.2% | 869 | $8K |
| Investors Research Corp | 0.00% | Reduce -6.7% | 846 | $8K |
| Financial Consulate, Inc. | 0.00% | Reduce -5.7% | 685 | $7K |
| South Dakota Investment Council | 0.00% | Reduce -66.7% | 683 | $6K |
| Fifth Third Bancorp | 0.00% | Add +14975.0% | 603 | $6K |
| Caption Management, LLC | 0.00% | Reduce -93.9% | 571 | $5K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -48.2% | 481 | $5K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +141.7% | 435 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -11.3% | 337 | $3K |
| Allworth Financial LP | 0.00% | Add +53.3% | 325 | $3K |
| Red Tortoise LLC | 0.00% | No change | 314 | $3K |
| Optiver Holding B.V. | 0.00% | Add +2.7% | 230 | $2K |
| FNY Investment Advisers, LLC | 0.00% | Add +3.8% | 275 | $2K |
| Los Angeles Capital Management LLC | 0.00% | No change | 159 | $2K |
| Bartlett & Co. Wealth Management LLC | 0.00% | No change | 138 | $1K |
| Parallel Advisors, LLC | 0.00% | Reduce -10.5% | 119 | $1K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 107 | $1K |
| Osaic Holdings, Inc. | 0.00% | Reduce -12.6% | 97 | $919 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -1.2% | 84 | $799 |
| Sound Income Strategies, LLC | 0.00% | No change | 73 | $692 |
| MAI Capital Management | 0.00% | Add +10.8% | 72 | $685 |
| Signaturefd, LLC | 0.00% | No change | 55 | $523 |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 54 | $514 |
| Bayban | 0.00% | New | 53 | $504 |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | Reduce -22.4% | 52 | $495 |
| AdvisorNet Financial, Inc | 0.00% | Reduce -91.7% | 45 | $428 |
| Caldwell Sutter Capital, Inc. | 0.00% | No change | 44 | $418 |
| Rothschild Investment LLC | 0.00% | Add +33.3% | 40 | $380 |
| Jones Financial Companies LLLP | 0.00% | Reduce -53.9% | 36 | $320 |
| Smartleaf Asset Management LLC | 0.00% | Add +210.0% | 31 | $284 |
| Sittner & Nelson, LLC | 0.00% | No change | 27 | $257 |
| IFP Advisors, Inc | 0.00% | Reduce -18.2% | 27 | $257 |
| Brown Brothers Harriman & Co. | 0.00% | Add +212.5% | 25 | $238 |
| Harbour Investments, Inc. | 0.00% | New | 25 | $238 |
| Root Financial Partners, LLC | 0.00% | New | 22 | $209 |
| MidFirst Bank | 0.00% | No change | 21 | $200 |
| Sunbelt Securities, Inc. | 0.00% | New | 20 | $190 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +1900.0% | 20 | $190 |
| WPG Advisers, LLC | 0.00% | No change | 10 | $95 |
| Transamerica Financial Advisors, LLC | 0.00% | New | 10 | $95 |
| Advisory Services Network, LLC | 0.00% | New | 8 | $77 |
| Winch Advisory Services, LLC | 0.00% | No change | 8 | $73 |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 7 | $67 |
| Versant Capital Management, Inc | 0.00% | Reduce -22.2% | 7 | $67 |
| Private Wealth Management Group, LLC | 0.00% | No change | 7 | $67 |
| Eurizon Capital SGR S.p.A. | 0.00% | No change | 7 | $67 |
| Parkside Financial Bank & Trust | 0.00% | No change | 6 | $58 |
| SJS Investment Consulting Inc. | 0.00% | New | 4 | $39 |
| NewEdge Advisors, LLC | 0.00% | No change | 3 | $29 |
| Farther Finance Advisors, LLC | 0.00% | Add +200.0% | 3 | $28 |
| Twin Peaks Wealth Advisors, LLC | 0.00% | New | 2 | $19 |
| Bessemer Group Inc. | 0.00% | Reduce -64.7% | 12 | $0 |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 1 | $0 |
"% of holder's portfolio" is MAGN's weight in each manager's 13F, not the share of Magnera Corp. the manager owns.