DCP
MAGN

Diameter Capital Partners’s Magnera Corp MAGN Stock Holding History

Diameter Capital Partners’s Portfolio MAGN Stock Details MAGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$14.2M Hold
1,205,793
– – 1.14% 17
2026
Q1 		$11.5M Hold
1,205,793
– – 1.07% 23
2025
Q4 		$18.3M Buy
1,205,793
+745,480
+162% +$8.64M 1.67% 19
2025
Q3 		$5.39M Hold
460,313
– – 0.33% 33
2025
Q2 		$5.56M Buy
+460,313
New +$6.33M 0.63% 19

Other funds holding MAGN

NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ECM
Engine Capital Management New York $1.03B AUM 4.33% 1-Year Est. Return
LC
Littlejohn & Co Greenwich, Connecticut $78.6M AUM 1.93% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
MAP
Madison Avenue Partners New York $2.32B AUM 132.6% 1-Year Est. Return
DCM
DG Capital Management New York $475M AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
CCA
Canyon Capital Advisors Dallas, Texas $882M AUM 62.77% 1-Year Est. Return

Diameter Capital Partners's MAGN Position: Q2 2026 in Review

Diameter Capital Partners held its Magnera Corp (MAGN) position steady in Q2 2026 at 1,205,793 shares worth $14.2M. The position accounts for 1.14% of the portfolio, ranked #17.

Diameter Capital Partners first reported a position in MAGN in Q2 2025 and has held it in 5 quarters since. The position peaked at $18.3M in Q4 2025. 179 funds tracked by Wall St. Rank hold MAGN as of Q2 2026.

  • Diameter Capital Partners held 1,205,793 shares of Magnera Corp worth $14.2M as of Q2 2026.
  • Diameter Capital Partners left its Magnera Corp share count unchanged in Q2 2026.
  • Magnera Corp made up 1.14% of Diameter Capital Partners's portfolio in Q2 2026, its #17 holding.
  • Diameter Capital Partners first reported a position in Magnera Corp in Q2 2025 and has held it in 5 quarters since.
  • Diameter Capital Partners's Magnera Corp position peaked at $18.3M in Q4 2025.
  • 179 funds tracked by Wall St. Rank held Magnera Corp as of Q2 2026.

Based on Diameter Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.