Bank of Montreal’s Mattel MAT Stock Holding History

Bank of Montreal’s Portfolio MAT Stock Details MAT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q1	–	Sell	-110,000	Closed	-$2.1M	–	4152
2023 Q4	$2.1M	Hold	110,000	–	–	﹤0.01%	1664
2023 Q3	$2.38M	Buy	+110,000	New	+$2.35M	﹤0.01%	1612
2019 Q4	–	Sell	-48,100	Closed	-$548K	–	4938
2019 Q3	$548K	Buy	+48,100	New	+$550K	﹤0.01%	2367
2018 Q2	–	Sell	-15,000	Closed	-$197K	–	4806
2018 Q1	$197K	Buy	+15,000	New	+$234K	﹤0.01%	2643
2017 Q1	–	Sell	-10,000	Closed	-$316K	–	4104
2016 Q4	$316K	Buy	+10,000	New	+$304K	﹤0.01%	2305

Other funds holding MAT

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

SAM

Southeastern Asset Management Memphis, Tennessee $1.92B AUM 6.41% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Bank of Montreal's MAT Position: Q2 2026 in Review

Bank of Montreal reduced its Mattel (MAT) stake by 7.9% in Q2 2026, selling an estimated $340K and leaving 270,901 shares worth $3.76M. The position accounts for ﹤0.01% of the portfolio, ranked #1476.

Bank of Montreal first reported a position in MAT in Q2 2013 and has held it in 53 quarters since. The position peaked at $53.4M in Q3 2022. 404 funds tracked by Wall St. Rank hold MAT as of Q2 2026.

Bank of Montreal held 270,901 shares of Mattel worth $3.76M as of Q2 2026.
Bank of Montreal sold 23,273 Mattel shares in Q2 2026, an estimated $340K.
Mattel made up ﹤0.01% of Bank of Montreal's portfolio in Q2 2026, its #1476 holding.
Bank of Montreal first reported a position in Mattel in Q2 2013 and has held it in 53 quarters since.
Bank of Montreal's Mattel position peaked at $53.4M in Q3 2022.
404 funds tracked by Wall St. Rank held Mattel as of Q2 2026.

Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.