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Quadrature Capital’s Monolithic Power Systems MPWR Stock Holding History

Quadrature Capital’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 		$62.2M Buy
+44,969
New +$67.5M 0.53% 43
2023
Q1 		– Sell
-1,405
Closed -$497K – 1090
2022
Q4 		$497K Buy
+1,405
New +$505K 0.01% 512
2022
Q3 		– Sell
-37,241
Closed -$14.3M – 988
2022
Q2 		$14.3M Buy
37,241
+9,242
+33% +$3.9M 0.6% 44
2022
Q1 		$13.6M Buy
+27,999
New +$12.2M 0.55% 51
2021
Q3 		– Sell
-15,280
Closed -$5.71M – 900
2021
Q2 		$5.71M Buy
15,280
+12,296
+412% +$4.33M 0.22% 87
2021
Q1 		$1.05M Buy
2,984
+1,270
+74% +$463K 0.05% 302
2020
Q4 		$628K Sell
1,714
-3,404
-67% -$1.09M 0.03% 423
2020
Q3 		$1.43M Buy
+5,118
New +$1.33M 0.08% 274
2020
Q2 		– Sell
-2,352
Closed -$394K – 733
2020
Q1 		$394K Buy
2,352
+1,152
+96% +$197K 0.09% 270
2019
Q4 		$213K Buy
+1,200
New +$192K 0.01% 442
2019
Q2 		– Sell
-3,200
Closed -$434K – 579
2019
Q1 		$434K Buy
3,200
+409
+15% +$53.7K 0.04% 355
2018
Q4 		$324K Sell
2,791
-5,799
-68% -$694K 0.06% 317
2018
Q3 		$1.08M Buy
+8,590
New +$1.2M 0.09% 241
2017
Q2 		– Sell
-2,303
Closed -$212K – 696
2017
Q1 		$212K Buy
+2,303
New +$204K 0.02% 579

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

Quadrature Capital's MPWR Position: Q2 2026 in Review

Quadrature Capital opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 44,969 shares worth $62.2M. The stake represents 0.53% of the portfolio and ranks #43 among its holdings. This is a return to the name: Quadrature Capital previously reported a position in MPWR as recently as Q4 2022.

Quadrature Capital first reported a position in MPWR in Q1 2017 and has held it in 14 quarters since. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Quadrature Capital held 44,969 shares of Monolithic Power Systems worth $62.2M as of Q2 2026.
  • Monolithic Power Systems was a new Quadrature Capital position in Q2 2026.
  • Monolithic Power Systems made up 0.53% of Quadrature Capital's portfolio in Q2 2026, its #43 holding.
  • Quadrature Capital first reported a position in Monolithic Power Systems in Q1 2017 and has held it in 14 quarters since.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Quadrature Capital's 13F filing for Q2 2026, filed 7 Aug 2026.