Thompson Siegel & Walmsley’s Magnera Corp MAGN Stock Holding History

Thompson Siegel & Walmsley’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	$7.63M	Buy	649,806 +75,542	+13%	+$828K	0.14%	178
2026 Q1	$5.46M	Buy	+574,264	New	+$7.34M	0.1%	207
2016 Q1	–	Sell	-62,160	Closed	-$14.9M	–	727
2015 Q4	$14.9M	Sell	62,160 -1,303	-2%	-$307K	0.27%	133
2015 Q3	$14.2M	Sell	63,463 -1,083	-2%	-$269K	0.26%	145
2015 Q2	$18.5M	Sell	64,546 -430	-0.7%	-$136K	0.33%	122
2015 Q1	$23.3M	Buy	64,976 +848	+1%	+$273K	0.4%	88
2014 Q4	$21.3M	Sell	64,128 -18,435	-22%	-$5.94M	0.41%	82
2014 Q3	$23.6M	Buy	82,563 +28,586	+53%	+$9.11M	0.47%	73
2014 Q2	$18.6M	Buy	53,977 +20,806	+63%	+$7.09M	0.36%	108
2014 Q1	$11.7M	Sell	33,171 -21,552	-39%	-$8.16M	0.26%	170
2013 Q4	$19.7M	Sell	54,723 -7,616	-12%	-$2.7M	0.46%	70
2013 Q3	$21.9M	Sell	62,339 -2,013	-3%	-$697K	0.48%	72
2013 Q2	$21M	Buy	+64,352	New	+$20.4M	0.45%	76

Other funds holding MAGN

Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return

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

Littlejohn & Co Greenwich, Connecticut $78.6M AUM 1.93% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

DCP

Diameter Capital Partners New York $1.24B AUM 137.67% 1-Year Est. Return

DCM

DG Capital Management New York $475M AUM 36.12% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Thompson Siegel & Walmsley's MAGN Position: Q2 2026 in Review

Thompson Siegel & Walmsley increased its Magnera Corp (MAGN) stake by 13% in Q2 2026, buying an estimated $828K and bringing the position to 649,806 shares worth $7.63M. The position accounts for 0.14% of the portfolio, ranked #178.

Thompson Siegel & Walmsley first reported a position in MAGN in Q2 2013 and has held it in 13 quarters since. The position peaked at $23.6M in Q3 2014. 179 funds tracked by Wall St. Rank hold MAGN as of Q2 2026.

Thompson Siegel & Walmsley held 649,806 shares of Magnera Corp worth $7.63M as of Q2 2026.
Thompson Siegel & Walmsley bought 75,542 Magnera Corp shares in Q2 2026, an estimated $828K.
Magnera Corp made up 0.14% of Thompson Siegel & Walmsley's portfolio in Q2 2026, its #178 holding.
Thompson Siegel & Walmsley first reported a position in Magnera Corp in Q2 2013 and has held it in 13 quarters since.
Thompson Siegel & Walmsley's Magnera Corp position peaked at $23.6M in Q3 2014.
179 funds tracked by Wall St. Rank held Magnera Corp as of Q2 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q2 2026, filed 11 Aug 2026.