Portolan Capital Management’s Magna International MGA Stock Holding History

Portolan Capital Management’s Portfolio MGA Stock Details MGA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-255,481	Closed	-$13.6M	–	157
2025 Q4	$13.6M	Buy	+255,481	New	+$12.5M	0.73%	46
2022 Q1	–	Sell	-10,951	Closed	-$886K	–	155
2021 Q4	$886K	Sell	10,951 -2,416	-18%	-$197K	0.06%	124
2021 Q3	$1.01M	Sell	13,367 -102,016	-88%	-$8.4M	0.07%	128
2021 Q2	$10.7M	Sell	115,383 -2,412	-2%	-$230K	0.77%	51
2021 Q1	$10.4M	Buy	117,795 +45,128	+62%	+$3.66M	0.81%	48
2020 Q4	$5.14M	Buy	+72,667	New	+$4.28M	0.47%	78
2016 Q4	–	Sell	-42,999	Closed	-$1.85M	–	130
2016 Q3	$1.85M	Buy	+42,999	New	+$1.69M	0.25%	98
2016 Q1	–	Sell	-47,968	Closed	-$1.95M	–	127
2015 Q4	$1.95M	Buy	+47,968	New	+$2.23M	0.25%	104

Other funds holding MGA

Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return

AACR

ACR Alpine Capital Research St. Louis, Missouri $6.7B AUM 33.44% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Portolan Capital Management's MGA Position: Q1 2026 in Review

Portolan Capital Management sold out of Magna International (MGA) in Q1 2026, closing a stake of 255,481 shares — an estimated $13.6M sold.

Portolan Capital Management first reported a position in MGA in Q4 2015 and held it in 8 quarters. The position peaked at $13.6M in Q4 2025. 440 funds tracked by Wall St. Rank hold MGA as of Q1 2026.

Portolan Capital Management reported no remaining Magna International position as of Q1 2026 after selling out during the quarter.
Portolan Capital Management sold 255,481 Magna International shares in Q1 2026, an estimated $13.6M.
Portolan Capital Management first reported a position in Magna International in Q4 2015 and held it in 8 quarters.
Portolan Capital Management's Magna International position peaked at $13.6M in Q4 2025.
440 funds tracked by Wall St. Rank held Magna International as of Q1 2026.

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