A.R.T. Advisors’s Mattel MAT Stock Holding History

A.R.T. Advisors’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
2021 Q1	–	Sell	-10,400	Closed	-$181K	–	85
2020 Q4	$181K	Buy	+10,400	New	+$153K	0.84%	55
2017 Q1	–	Sell	-30,000	Closed	-$826K	–	1592
2016 Q4	$826K	Buy	+30,000	New	+$912K	0.05%	543
2016 Q2	–	Sell	-147,572	Closed	-$4.96M	–	1517
2016 Q1	$4.96M	Buy	+147,572	New	+$4.48M	0.22%	100
2015 Q2	–	Sell	-560,131	Closed	-$12.8M	–	1613
2015 Q1	$12.8M	Buy	+560,131	New	+$14.9M	0.44%	21
2014 Q4	–	Sell	-19,905	Closed	-$610K	–	1553
2014 Q3	$610K	Buy	+19,905	New	+$704K	0.03%	678
2014 Q1	–	Sell	-72,559	Closed	-$3.45M	–	1458
2013 Q4	$3.45M	Buy	+72,559	New	+$3.23M	0.18%	148

Other funds holding MAT

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

EIG

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

SAM

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

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

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

A.R.T. Advisors's MAT Position: Q1 2021 in Review

A.R.T. Advisors sold out of Mattel (MAT) in Q1 2021, closing a stake of 10,400 shares — an estimated $181K sold.

A.R.T. Advisors first reported a position in MAT in Q4 2013 and held it in 6 quarters. The position peaked at $12.8M in Q1 2015. 325 funds tracked by Wall St. Rank hold MAT as of Q1 2021.

A.R.T. Advisors reported no remaining Mattel position as of Q1 2021 after selling out during the quarter.
A.R.T. Advisors sold 10,400 Mattel shares in Q1 2021, an estimated $181K.
A.R.T. Advisors first reported a position in Mattel in Q4 2013 and held it in 6 quarters.
A.R.T. Advisors's Mattel position peaked at $12.8M in Q1 2015.
325 funds tracked by Wall St. Rank held Mattel as of Q1 2021.

Based on A.R.T. Advisors's 13F filing for Q1 2021, filed 17 May 2021.