FHA
MPWR icon

Flagship Harbor Advisors’s Monolithic Power Systems MPWR Stock Holding History

Flagship Harbor Advisors’s Portfolio MPWR Stock Details MPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-10
Closed -$9.06K – 1621
2025
Q4 		$9.06K Buy
+10
New +$9.62K ﹤0.01% 1535
2020
Q4 		– Sell
-81
Closed -$22K – 1272
2020
Q3 		$22K Sell
81
-83
-51% -$21.6K ﹤0.01% 1107
2020
Q2 		$39K Buy
164
+99
+152% +$20K 0.01% 923
2020
Q1 		$11K Buy
65
+1
+2% +$171 ﹤0.01% 1199
2019
Q4 		$11K Hold
64
– – ﹤0.01% 1308
2019
Q3 		$9K Hold
64
– – ﹤0.01% 1316
2019
Q2 		$8K Buy
64
+1
+2% +$136 ﹤0.01% 1371
2019
Q1 		$8K Hold
63
– – ﹤0.01% 1362
2018
Q4 		$7K Sell
63
-181
-74% -$21.7K ﹤0.01% 1352
2018
Q3 		$30K Buy
244
+16
+7% +$2.23K 0.01% 981
2018
Q2 		$30K Buy
+228
New +$29K 0.01% 963

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

Flagship Harbor Advisors sold out of Monolithic Power Systems (MPWR) in Q1 2026, closing a stake of 10 shares — an estimated $9.06K sold.

Flagship Harbor Advisors first reported a position in MPWR in Q2 2018 and held it in 11 quarters. The position peaked at $39K in Q2 2020. 1,122 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Flagship Harbor Advisors reported no remaining Monolithic Power Systems position as of Q1 2026 after selling out during the quarter.
  • Flagship Harbor Advisors sold 10 Monolithic Power Systems shares in Q1 2026, an estimated $9.06K.
  • Flagship Harbor Advisors first reported a position in Monolithic Power Systems in Q2 2018 and held it in 11 quarters.
  • Flagship Harbor Advisors's Monolithic Power Systems position peaked at $39K in Q2 2020.
  • 1,122 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

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