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

050100150200250 Q3 2024: 4Q3 2024Q4 2024: 231Q4 2024Q1 2025: 214Q1 2025Q2 2025: 187Q2 2025Q3 2025: 178Q3 2025Q4 2025: 187Q4 2025Q1 2026: 174Q1 2026Q2 2026: 178Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions21$10.5M
Exits31$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.