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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.

Q4 2025 vs. Q3 2025

How the institutions holding Magnera Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of MAGN: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders1805189+14
Shares36.8M93.8K37.5M+761.0K (+2.1%)
Value$431.4M$1.10M$567.3M+$137.0M (+31.8%)

5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (47)

Institutions that held Magnera Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to MAGN in Q4 2025
InstitutionSharesValue% of portfolio
Jefferies Financial Group Inc.994,619$15.1M0.12%
SG Americas Securities, LLC557,810$8.45M0.01%
Verition Fund Management LLC329,931$5.00M0.03%
Algert Global LLC290,676$4.40M0.07%
Walleye Capital LLC245,997$3.72M0.02%
Jane Street Group, LLC215,920$3.27M0.00%
Tudor Investment Corp Et Al155,016$2.35M0.01%
Healthcare of Ontario Pension Plan Trust Fund120,715$1.83M0.00%
Susquehanna International Group, LLP95,081$1.44M0.00%
Engineers Gate Manager LP87,882$1.33M0.02%
Quinn Opportunity Partners LLC85,868$1.30M0.06%
Man Group plc85,382$1.29M0.00%
Aristeia Capital LLC62,996$953.8K0.03%
Counterpoint Mutual Funds LLC54,410$823.8K0.06%
Voleon Capital Management LP52,218$790.6K0.02%
Oxford Asset Management LLP42,188$638.7K0.23%
Jain Global LLC38,869$588.5K0.01%
XTX Topco Ltd38,481$582.6K0.02%
Axq Capital, LP34,770$526.4K0.12%
Susquehanna Portfolio Strategies, LLC29,659$449.0K0.01%
PharVision Advisers, LLC29,209$442.2K0.22%
Dynamic Technology Lab Private Ltd21,450$325.0K0.07%
Creative Planning19,694$298.2K0.00%
Franklin Resources Inc18,490$279.9K0.00%
Glenmede Trust Co NA17,730$268.4K0.00%
Schonfeld Strategic Advisors LLC16,576$251.0K0.00%
Versor Investments LP15,600$236.2K0.04%
Prelude Capital Management, LLC15,539$235.3K0.02%
Canada Pension Plan Investment Board15,200$230.1K0.00%
Lazard Asset Management LLC15,030$227.6K0.00%
SEI Investments Co14,547$220.8K0.00%
Inceptionr LLC13,227$200.3K0.06%
Winton Group Ltd10,600$160.5K0.01%
Centiva Capital, LP5,062$76.6K0.00%
SageView Advisory Group, LLC4,950$74.9K0.00%
Quarry LP1,971$29.8K0.00%
DV Trading LLC400$6.06K0.00%
Red Tortoise LLC314$4.75K0.00%
Group One Trading, L.P.255$3.86K0.00%
Optiver Holding B.V.224$3.39K0.00%
Los Angeles Capital Management LLC159$1.36K0.00%
Pinnacle Wealth Planning Services, Inc.67$1.01K0.00%
Steigerwald, Gordon & Koch Inc.33$5000.00%
MidFirst Bank21$3180.00%
Brown Brothers Harriman & Co8$1210.00%
Eurizon Capital SGR S.p.A.7$1060.00%
Hughes Financial Services, LLC1$150.00%

Sold out (33)

Institutions that held Magnera Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Not filed for Q4 2025 yet (5)

Institutions that held Magnera Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MAGN in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC72,455$849.2K
Glenmede Investment Management, LP17,692$207.3K
Point72 (DIFC) Ltd3,011$35.3K
Shell Asset Management Co628$7.00K
Hemington Wealth Management2$0