Ken Griffin
MAGN

Ken Griffin’s Magnera Corp MAGN Stock Holding History

Ken Griffin’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 		– Sell
-37,600
Closed -$569K – 14582
2025
Q4 		$569K Buy
37,600
+11,000
+41% +$127K ﹤0.01% 8715
2025
Q3 		$312K Buy
26,600
+12,000
+82% +$149K ﹤0.01% 10280
2025
Q2 		$176K Sell
14,600
-6,733
-32% -$92.6K ﹤0.01% 10797
2025
Q1 		$387K Sell
21,333
-27,620
-56% -$537K ﹤0.01% 9030
2024
Q4 		$889K Buy
48,953
+47,107
+2,552% +$964K ﹤0.01% 7289
2024
Q3 		$43.2K Buy
1,846
+1,646
+823% +$34.5K ﹤0.01% 12071
2024
Q2 		$3.61K Buy
200
+77
+63% +$1.66K ﹤0.01% 13578
2024
Q1 		$3.2K Buy
+123
New +$2.92K ﹤0.01% 13931
2023
Q4 		– Sell
-31
Closed -$800 – 15423
2023
Q3 		$800 Sell
31
-192
-86% -$6.39K ﹤0.01% 13979
2023
Q2 		$8.76K Buy
223
+208
+1,387% +$9.43K ﹤0.01% 13297
2023
Q1 		$638 Sell
15
-185
-93% -$8.53K ﹤0.01% 14448
2022
Q4 		$7.23K Buy
+200
New +$8.17K ﹤0.01% 13838
2022
Q3 		– Sell
-846
Closed -$76K – 13790
2022
Q2 		$76K Buy
+846
New +$101K ﹤0.01% 11640
2021
Q3 		– Sell
-923
Closed -$168K – 14818
2021
Q2 		$168K Buy
+923
New +$182K ﹤0.01% 12379
2021
Q1 		– Sell
-915
Closed -$195K – 13814
2020
Q4 		$195K Sell
915
-200
-18% -$40.2K ﹤0.01% 9753
2020
Q3 		$200K Sell
1,115
-177
-14% -$35.4K ﹤0.01% 8795
2020
Q2 		$270K Buy
+1,292
New +$245K ﹤0.01% 8075
2019
Q1 		– Sell
-808
Closed -$102K – 9980
2018
Q4 		$102K Sell
808
-23
-3% -$4.41K ﹤0.01% 8228
2018
Q3 		$206K Buy
+831
New +$203K ﹤0.01% 8177

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 $6.73T AUM 46.02% 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
DCP
Diameter Capital Partners New York $1.07B AUM 152.29% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Ken Griffin's MAGN Position: Q1 2026 in Review

Ken Griffin reduced its Magnera Corp (MAGN) stake by 43% in Q1 2026, selling an estimated $3.01M and leaving 314,819 shares worth $2.99M. The position accounts for ﹤0.01% of the portfolio, ranked #5272.

Ken Griffin first reported a position in MAGN in Q2 2013 and has held it in 47 quarters since. The position peaked at $8.33M in Q4 2025. 175 funds tracked by Wall St. Rank hold MAGN as of Q1 2026.

  • Ken Griffin held 314,819 shares of Magnera Corp worth $2.99M as of Q1 2026.
  • Ken Griffin sold 235,573 Magnera Corp shares in Q1 2026, an estimated $3.01M.
  • Magnera Corp made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5272 holding.
  • Ken Griffin first reported a position in Magnera Corp in Q2 2013 and has held it in 47 quarters since.
  • Ken Griffin's Magnera Corp position peaked at $8.33M in Q4 2025.
  • 175 funds tracked by Wall St. Rank held Magnera Corp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.