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Quantitative Investment Management’s Monolithic Power Systems MPWR Stock Holding History

Quantitative Investment Management’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 		$1.96M Buy
+1,421
New +$2.13M 0.21% 127
2026
Q1 		– Sell
-627
Closed -$568K – 489
2025
Q4 		$568K Buy
+627
New +$603K 0.06% 301
2025
Q2 		– Sell
-2,398
Closed -$1.39M – 417
2025
Q1 		$1.39M Sell
2,398
-2,468
-51% -$1.56M 0.13% 151
2024
Q4 		$2.88M Buy
+4,866
New +$3.52M 0.22% 100
2022
Q4 		– Sell
-4,576
Closed -$1.66M – 292
2022
Q3 		$1.66M Buy
+4,576
New +$2.04M 0.28% 95
2021
Q2 		– Sell
-1,491
Closed -$526K – 528
2021
Q1 		$526K Buy
+1,491
New +$543K 0.04% 329
2020
Q1 		– Sell
-11,628
Closed -$2.07M – 717
2019
Q4 		$2.07M Buy
+11,628
New +$1.86M 0.06% 308
2018
Q3 		– Sell
-26,700
Closed -$3.57M – 785
2018
Q2 		$3.57M Buy
26,700
+9,400
+54% +$1.2M 0.07% 254
2018
Q1 		$2M Sell
17,300
-22,600
-57% -$2.68M 0.03% 456
2017
Q4 		$4.48M Buy
+39,900
New +$4.63M 0.07% 326

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

Quantitative Investment Management's MPWR Position: Q2 2026 in Review

Quantitative Investment Management opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 1,421 shares worth $1.96M. The stake represents 0.21% of the portfolio and ranks #127 among its holdings. This is a return to the name: Quantitative Investment Management previously reported a position in MPWR as recently as Q4 2025.

Quantitative Investment Management first reported a position in MPWR in Q4 2017 and has held it in 10 quarters since. The position peaked at $4.48M in Q4 2017. 1,237 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Quantitative Investment Management held 1,421 shares of Monolithic Power Systems worth $1.96M as of Q2 2026.
  • Monolithic Power Systems was a new Quantitative Investment Management position in Q2 2026.
  • Monolithic Power Systems made up 0.21% of Quantitative Investment Management's portfolio in Q2 2026, its #127 holding.
  • Quantitative Investment Management first reported a position in Monolithic Power Systems in Q4 2017 and has held it in 10 quarters since.
  • Quantitative Investment Management's Monolithic Power Systems position peaked at $4.48M in Q4 2017.
  • 1,237 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Quantitative Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.