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
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 $936M AUM 27.23% 1-Year Est. Return
LC
Littlejohn & Co Greenwich, Connecticut $106M AUM 7.38% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ECM
Engine Capital Management New York $828M AUM 6.49% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
MAP
Madison Avenue Partners New York $2.3B AUM 115.82% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
DCM
DG Capital Management New York $326M AUM 39.67% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
CCA
Canyon Capital Advisors Dallas, Texas $772M AUM 32.81% 1-Year Est. Return

Diameter Capital Partners's MAGN Position: Q1 2026 in Review

Diameter Capital Partners held its Magnera Corp (MAGN) position steady in Q1 2026 at 1,205,793 shares worth $11.5M. The position accounts for 1.07% of the portfolio, ranked #23.

Diameter Capital Partners first reported a position in MAGN in Q2 2025 and has held it in 4 quarters since. The position peaked at $18.3M in Q4 2025. 175 funds tracked by Wall St. Rank hold MAGN as of Q1 2026.

  • Diameter Capital Partners held 1,205,793 shares of Magnera Corp worth $11.5M as of Q1 2026.
  • Diameter Capital Partners left its Magnera Corp share count unchanged in Q1 2026.
  • Magnera Corp made up 1.07% of Diameter Capital Partners's portfolio in Q1 2026, its #23 holding.
  • Diameter Capital Partners first reported a position in Magnera Corp in Q2 2025 and has held it in 4 quarters since.
  • Diameter Capital Partners's Magnera Corp position peaked at $18.3M in Q4 2025.
  • 175 funds tracked by Wall St. Rank held Magnera Corp as of Q1 2026.

Based on Diameter Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.