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Winton Group’s Monolithic Power Systems MPWR Stock Holding History

Winton Group’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
Q2 		– Sell
-1,541
Closed -$1.68M – 1379
2026
Q1 		$1.68M Buy
1,541
+93
+6% +$102K 0.06% 360
2025
Q4 		$1.31M Sell
1,448
-127
-8% -$122K 0.05% 388
2025
Q3 		$1.45M Buy
+1,575
New +$1.28M 0.05% 309
2025
Q2 		– Sell
-3,309
Closed -$1.92M – 938
2025
Q1 		$1.92M Buy
3,309
+1,464
+79% +$923K 0.12% 191
2024
Q4 		$1.09M Buy
1,845
+1,204
+188% +$872K 0.07% 285
2024
Q3 		$593K Sell
641
-129
-17% -$111K 0.04% 419
2024
Q2 		$633K Buy
+770
New +$556K 0.04% 391
2022
Q2 		– Sell
-1,917
Closed -$931K – 1030
2022
Q1 		$931K Sell
1,917
-3,247
-63% -$1.42M 0.05% 487
2021
Q4 		$2.55M Buy
5,164
+1,101
+27% +$568K 0.15% 151
2021
Q3 		$1.97M Buy
4,063
+1,042
+34% +$474K 0.11% 184
2021
Q2 		$1.13M Sell
3,021
-2,372
-44% -$835K 0.06% 461
2021
Q1 		$1.91M Sell
5,393
-1,430
-21% -$521K 0.11% 169
2020
Q4 		$2.5M Sell
6,823
-20,040
-75% -$6.42M 0.18% 61
2020
Q3 		$7.51M Sell
26,863
-2,195
-8% -$571K 0.24% 46
2020
Q2 		$6.89M Sell
29,058
-37,430
-56% -$7.58M 0.18% 112
2020
Q1 		$11.1M Sell
66,488
-19,399
-23% -$3.32M 0.29% 45
2019
Q4 		$15.3M Buy
85,887
+49,366
+135% +$7.88M 0.21% 97
2019
Q3 		$5.68M Buy
+36,521
New +$5.46M 0.07% 319
2019
Q1 		– Sell
-2,353
Closed -$274K – 1140
2018
Q4 		$274K Sell
2,353
-3,448
-59% -$413K 0.01% 697
2018
Q3 		$728K Buy
5,801
+1,363
+31% +$190K 0.02% 486
2018
Q2 		$593K Sell
4,438
-4,532
-51% -$577K 0.02% 585
2018
Q1 		$1.04M Buy
+8,970
New +$1.06M 0.03% 490

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 $3.37T AUM 44.26% 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
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Winton Group's MPWR Position: Q2 2026 in Review

Winton Group sold out of Monolithic Power Systems (MPWR) in Q2 2026, closing a stake of 1,541 shares — an estimated $1.68M sold.

Winton Group first reported a position in MPWR in Q1 2018 and held it in 22 quarters. The position peaked at $15.3M in Q4 2019. 1,239 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Winton Group reported no remaining Monolithic Power Systems position as of Q2 2026 after selling out during the quarter.
  • Winton Group sold 1,541 Monolithic Power Systems shares in Q2 2026, an estimated $1.68M.
  • Winton Group first reported a position in Monolithic Power Systems in Q1 2018 and held it in 22 quarters.
  • Winton Group's Monolithic Power Systems position peaked at $15.3M in Q4 2019.
  • 1,239 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.