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Who owns Magnera (MAGN) stock

175 funds reported Magnera (MAGN) shares in their latest 13F filings, worth $459M in all. The largest holder is Vanguard Group ($33.1M). Last quarter 86 funds added to their stakes and 57 cut them.

Largest holders of MAGN (13F)Largest holders of MAGN (13F)Vanguard Group$33.1MNewtyn Management, LLC$32.9MBlackRock$30.5MEngine Capital Management, LP$26.4MLittlejohn & Co LLC$22.2MVanguard Capital Management LLC$18.4MMorgan Stanley$18.0MMadison Avenue Partners, LP$15.3MDiameter Capital Partners LP$14.2MDG Capital Management, LLC$12.9M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group2,184,219$33.1Mincrease2025-12-31
Newtyn Management, LLC2,800,000$32.9Mincrease2026-06-30
BlackRock2,596,578$30.5Mincrease2026-06-30
Engine Capital Management, LP2,243,827$26.4Munchanged2026-06-30
Littlejohn & Co LLC1,889,088$22.2Mdecrease2026-06-30
Vanguard Capital Management LLC1,563,111$18.4Mincrease2026-06-30
Morgan Stanley1,534,193$18.0Mdecrease2026-06-30
Madison Avenue Partners, LP1,302,066$15.3Mdecrease2026-06-30
Diameter Capital Partners LP1,205,793$14.2Munchanged2026-06-30
DG Capital Management, LLC1,101,476$12.9Mdecrease2026-06-30
Geode Capital Management, LLC862,384$10.1Mincrease2026-06-30
Canyon Capital Advisors LLC810,000$9.5Munchanged2026-06-30
D. E. Shaw789,745$9.3Mdecrease2026-06-30
Black Diamond Capital Management, L.L.C.750,000$9.1Munchanged2025-06-30
Clearline Capital LP741,096$8.7Mincrease2026-06-30

Magnera's latest quarter

Magnera, Q3 FY26: revenue $857M (+2% year over year), operating margin 2.6%, net loss $20.0M, operating cash flow −$13.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MAGN stock?

By the latest 13F filings: Vanguard Group ($33.1M); Newtyn Management, LLC ($32.9M); BlackRock ($30.5M); Engine Capital Management, LP ($26.4M); Littlejohn & Co LLC ($22.2M).

What is the short interest in MAGN?

1,803,373 shares were sold short at the 2026-10-15 settlement, -2.71% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.