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Flagship Harbor Advisors’s Mattel MAT Stock Holding History

Flagship Harbor 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
2026
Q1 		– Sell
-20
Closed -$397 – 1581
2025
Q4 		$397 Buy
+20
New +$386 ﹤0.01% 2077
2020
Q4 		– Sell
-20
Closed – – 1228
2020
Q3 		$0 Hold
20
– – ﹤0.01% 2074
2020
Q2 		$0 Hold
20
– – ﹤0.01% 2099
2020
Q1 		$0 Sell
20
-50
-71% -$613 ﹤0.01% 1915
2019
Q4 		$1K Hold
70
– – ﹤0.01% 1806
2019
Q3 		$0 Sell
70
-2
-3% -$23 ﹤0.01% 1920
2019
Q2 		$0 Hold
72
– – ﹤0.01% 1929
2019
Q1 		$0 Hold
72
– – ﹤0.01% 1904
2018
Q4 		$0 Sell
72
-1
-1% -$13 ﹤0.01% 1996
2018
Q3 		$1K Sell
73
-199
-73% -$3.19K ﹤0.01% 1995
2018
Q2 		$4K Buy
+272
New +$4.13K ﹤0.01% 1704

Other funds holding MAT

EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
SAM
Southeastern Asset Management Memphis, Tennessee $1.92B AUM 6.41% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Flagship Harbor Advisors's MAT Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of Mattel (MAT) in Q1 2026, closing a stake of 20 shares — an estimated $397 sold.

Flagship Harbor Advisors first reported a position in MAT in Q2 2018 and held it in 11 quarters. The position peaked at $4K in Q2 2018. 430 funds tracked by Wall St. Rank hold MAT as of Q1 2026.

  • Flagship Harbor Advisors reported no remaining Mattel position as of Q1 2026 after selling out during the quarter.
  • Flagship Harbor Advisors sold 20 Mattel shares in Q1 2026, an estimated $397.
  • Flagship Harbor Advisors first reported a position in Mattel in Q2 2018 and held it in 11 quarters.
  • Flagship Harbor Advisors's Mattel position peaked at $4K in Q2 2018.
  • 430 funds tracked by Wall St. Rank held Mattel as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.