MagneraMAGN
13F holders, Q1 2026 (March 31)174holders −13
21new positions
31sold out
5famous investors
$9.50avg. 13F price*
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 |
"% of holder's portfolio" is MAGN's weight in each manager's 13F, not the share of Magnera Corp. the manager owns.