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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, Q1 2025

Institutional positions in Magnera Corp as of Mar 31, 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
215
−15 vs. Q4 2024
Shares held
35.2M
+266.8K (+0.8%) vs. Q4 2024
Total value
$639.5M
+$4.54M (+0.7%) vs. Q4 2024
New holders
26
60 more added
Sold out
41
77 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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.

Institutional holdersQ1 2025: 215 institutions
Q1 2021: 137 institutionsQ2 2021: 138 institutionsQ3 2021: 142 institutionsQ4 2021: 141 institutionsQ1 2022: 158 institutionsQ2 2022: 152 institutionsQ3 2022: 136 institutionsQ4 2022: 135 institutionsQ1 2023: 119 institutionsQ2 2023: 115 institutionsQ3 2023: 97 institutionsQ4 2023: 97 institutionsQ1 2024: 97 institutionsQ2 2024: 92 institutionsQ3 2024: 77 institutionsQ4 2024: 232 institutionsQ1 2025: 215 institutionsQ2 2025: 190 institutionsQ3 2025: 180 institutionsQ4 2025: 189 institutionsQ1 2026: 175 institutionsQ2 2026: 179 institutions
Value heldQ1 2025: $639.5M
Q1 2021: $697.6MQ2 2021: $562.9MQ3 2021: $572.9MQ4 2021: $705.3MQ1 2022: $503.7MQ2 2022: $280.6MQ3 2022: $121.7MQ4 2022: $103.2MQ1 2023: $116.8MQ2 2023: $108.1MQ3 2023: $69.9MQ4 2023: $67.5MQ1 2024: $72.1MQ2 2024: $45.0MQ3 2024: $51.7MQ4 2024: $635.6MQ1 2025: $639.5MQ2 2025: $479.9MQ3 2025: $431.4MQ4 2025: $567.3MQ1 2026: $347.6MQ2 2026: $427.2M
Institutions holding MAGN and their total value by quarter
QuarterHoldersValue
Q2 2026179$427.2M
Q1 2026175$347.6M
Q4 2025189$567.3M
Q3 2025180$431.4M
Q2 2025190$479.9M
Q1 2025215$639.5M
Q4 2024232$635.6M
Q3 202477$51.7M
Q2 202492$45.0M
Q1 202497$72.1M
Q4 202397$67.5M
Q3 202397$69.9M
Q2 2023115$108.1M
Q1 2023119$116.8M
Q4 2022135$103.2M
Q3 2022136$121.7M
Q2 2022152$280.6M
Q1 2022158$503.7M
Q4 2021141$705.3M
Q3 2021142$572.9M
Q2 2021138$562.9M
Q1 2021137$697.6M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Magnera Corp; share changes are against Q4 2024.

Institutions holding MAGN in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Madison Avenue Partners, LP3,344,005$60.7M5.16%−62,288−1.8%Reduced
Vanguard Group Inc2,896,519$52.6M0.00%+12,229+0.4%Added
Engine Capital Management, LP2,357,241$42.8M8.11%−1,1000.0%Reduced
Littlejohn & Co LLC1,948,060$35.4M18.44%+539,654+38.3%Added
Ancora Advisors, LLC1,675,575$30.4M0.68%+21,895+1.3%Added
Fuller & Thaler Asset Management, Inc.1,316,988$23.9M0.09%+14,997+1.2%Added
Newtyn Management, LLC1,300,000$23.6M3.73%+400,000+44.4%Added
Irenic Capital Management LP1,210,829$22.0M3.33%+315,057+35.2%Added
Millennium Management LLC1,184,022$21.5M0.02%+286,978+32.0%Added
BlackRock, Inc.923,650$16.8M0.00%+21,165+2.3%Added
Dimensional Fund Advisors LP788,130$14.3M0.00%−145,994−15.6%Reduced
DG Capital Management, LLC760,278$13.8M7.52%+411,324+117.9%Added
D. E. Shaw & Co., Inc.752,552$13.7M0.02%+54,506+7.8%Added
Black Diamond Capital Management, L.L.C.750,000$13.6M8.08%+259,129+52.8%Added
Canyon Capital Advisors LLC712,640$12.9M1.86%−48,646−6.4%Reduced
Scopia Capital Management LP689,215$12.6M1.82%−257,820−27.2%Reduced
LSV Asset Management659,321$12.0M0.03%−352,346−34.8%Reduced
Susquehanna International Group, LLP639,778$11.6M0.02%+588,025+1,136.2%Added
Loomis Sayles & Co L P604,734$11.0M0.02%+1,047+0.2%Added
Brightline Capital Management, LLC556,000$10.1M8.76%+403,000+263.4%Added
UBS Group AG552,398$10.0M0.00%+6,482+1.2%Added
Clearline Capital LP524,539$9.53M0.96%+18,000+3.6%Added
J. Goldman & Co LP499,485$9.07M0.32%−8,274−1.6%Reduced
Empyrean Capital Partners, LP469,730$8.53M0.46%00.0%Unchanged
Royal Bank of Canada456,733$8.29M0.00%−734−0.2%Reduced
FMR LLC445,737$8.09M0.00%−99,632−18.3%Reduced
Russell Investments Group, Ltd.408,240$7.41M0.01%+259,529+174.5%Added
Geode Capital Management, LLC373,110$6.78M0.00%+16,043+4.5%Added
Goldman Sachs Group Inc353,489$6.42M0.00%−27,622−7.2%Reduced
Ameriprise Financial Inc341,722$6.21M0.00%+10,037+3.0%Added
Turtle Creek Asset Management Inc.314,733$5.72M0.16%−257,854−45.0%Reduced
Gratia Capital, LLC293,227$5.33M6.07%00.0%Unchanged
HBK Investments L P278,069$5.05M0.09%−42,889−13.4%Reduced
Khrom Capital Management LLC263,647$4.79M0.64%−1,044,961−79.9%Reduced
Morgan Stanley260,447$4.73M0.00%−361−0.1%Reduced
Loews Corp220,500$4.00M0.03%+152,530+224.4%Added
Bank of America Corp209,190$3.80M0.00%−93,081−30.8%Reduced
State Street Corp205,841$3.74M0.00%+1,711+0.8%Added
Schonfeld Strategic Advisors LLC198,019$3.60M0.02%+55,265+38.7%Added
Seven Six Capital Management, LLC196,368$3.57M3.20%+23,504+13.6%Added
Jane Street Group, LLC158,950$2.89M0.01%−113,585−41.7%Reduced
Marshall Wace, LLP156,756$2.85M0.00%+49,526+46.2%Added
Citadel Advisors LLC135,448$2.46M0.00%+92,428+214.8%Added
CastleKnight Management LP134,982$2.45M0.26%−50,591−27.3%Reduced
Northern Trust Corp111,283$2.02M0.00%−13,747−11.0%Reduced
Tocqueville Asset Management L.P.105,000$1.91M0.03%00.0%Unchanged
Charles Schwab Investment Management Inc89,572$1.63M0.00%+24,651+38.0%Added
Weiss Asset Management LP88,712$1.61M0.04%+88,712New
Susquehanna Fundamental Investments, LLC87,346$1.59M0.03%+68,221+356.7%Added
Centiva Capital, LP82,821$1.50M0.09%+46,451+127.7%Added
UBS Asset Management Americas Inc73,548$1.34M0.00%+16,331+28.5%Added
HighVista Strategies LLC66,600$1.21M0.47%+66,600New
Quest Partners LLC61,740$1.12M0.12%+61,740New
Swiss National Bank61,631$1.12M0.00%−8,100−11.6%Reduced
Bridgeway Capital Management, LLC60,966$1.11M0.03%+50,144+463.4%Added
Alpine Global Management, LLC60,000$1.09M0.29%−42,724−41.6%Reduced
JPMorgan Chase & Co58,353$1.06M0.00%−31,327−34.9%Reduced
Verition Fund Management LLC57,233$1.04M0.01%+39,695+226.3%Added
RBF Capital, LLC53,992$980.5K0.06%00.0%Unchanged
Empowered Funds, LLC53,144$965.1K0.01%+53,144New
Omers Administration Corp53,100$964.3K0.01%+26,900+102.7%Added
Boothbay Fund Management, LLC52,454$952.6K0.03%−10,507−16.7%Reduced
Cubist Systematic Strategies, LLC51,943$943.3K0.01%+38,466+285.4%Added
Landscape Capital Management, L.L.C.48,896$888.0K0.08%+48,896New
Thrivent Financial for Lutherans48,725$884.0K0.00%+35,521+269.0%Added
Catalyst Funds Management Pty Ltd46,782$849.6K0.22%+9,113+24.2%Added
Squarepoint Ops LLC46,018$835.7K0.00%+17,059+58.9%Added
Lazard Asset Management LLC43,275$785.0K0.00%+37,902+705.4%Added
Norges Bank40,433$734.3K0.00%−56,586−58.3%Reduced
Jain Global LLC40,343$732.6K0.01%+18,443+84.2%Added
State of Wisconsin Investment Board37,212$675.8K0.00%−2,804−7.0%Reduced
Caption Management, LLC34,156$620.3K0.03%+31,956+1,452.5%Added
Nuveen, LLC33,784$613.5K0.00%+33,784New
Bluefin Capital Management, LLC33,224$603.3K0.48%+33,224New
Invesco Ltd.32,676$593.4K0.00%+21,588+194.7%Added
Raymond James Financial Inc32,378$588.0K0.00%−3,270−9.2%Reduced
Carlson Capital L P32,100$582.9K0.33%−20,430−38.9%Reduced
HRT Financial LP31,603$573.0K0.00%+11,744+59.1%Added
Citigroup Inc30,396$552.0K0.00%−51,876−63.1%Reduced
California State Teachers Retirement System30,252$549.4K0.00%00.0%Unchanged
Legal & General Group Plc29,518$536.0K0.00%−395−1.3%Reduced
Jefferies Financial Group Inc.29,358$533.1K0.01%−4,412−13.1%Reduced
Algert Global LLC29,210$530.5K0.01%−29,170−50.0%Reduced
Contrarian Capital Management, L.L.C.28,000$508.5K0.13%+2,000+7.7%Added
Oppenheimer Asset Management Inc.27,091$492.0K0.01%+3,598+15.3%Added
Aristeia Capital LLC26,937$489.2K0.02%+26,937New
Nebula Research & Development LLC26,551$482.2K0.04%+26,551New
Tudor Investment Corp Et Al26,407$479.6K0.00%−185,411−87.5%Reduced
Quantessence Capital LLC24,974$453.5K0.11%+24,974New
Diametric Capital, LP24,632$447.3K0.53%+24,632New
Brown Advisory Inc24,267$440.7K0.00%+37+0.2%Added
AQR Capital Management LLC23,626$429.0K0.00%−125,420−84.1%Reduced
Two Sigma Advisers, LP22,260$404.2K0.00%+600+2.8%Added
Universal- Beteiligungs- und Servicegesellschaft mbH18,567$337.2K0.00%−713−3.7%Reduced
Glenmede Trust Co NA17,756$322.4K0.00%−2,274−11.4%Reduced
SG Americas Securities, LLC17,688$321.0K0.00%+17,688New
Brevan Howard Capital Management LP17,334$314.8K0.01%+17,334New
Spears Abacus Advisors LLC17,214$312.6K0.01%−62,118−78.3%Reduced
Cannon Global Investment Management, LLC16,600$301.5K0.83%+16,600New
Ballentine Partners, LLC16,471$299.1K0.01%+217+1.3%Added