SC
MPWR icon

Sepio Capital’s Monolithic Power Systems MPWR Stock Holding History

Sepio 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 		$217K Sell
157
-36
-19% -$54K 0.01% 326
2026
Q1 		$211K Buy
+193
New +$211K 0.01% 349
2024
Q1 		– Sell
-348
Closed -$220K – 298
2023
Q4 		$220K Buy
+348
New +$182K 0.02% 277

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

Sepio Capital's MPWR Position: Q2 2026 in Review

Sepio Capital reduced its Monolithic Power Systems (MPWR) stake by 19% in Q2 2026, selling an estimated $54K and leaving 157 shares worth $217K. The position accounts for 0.01% of the portfolio, ranked #326.

Sepio Capital first reported a position in MPWR in Q4 2023 and has held it in 3 quarters since. The position peaked at $220K in Q4 2023. 1,245 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Sepio Capital held 157 shares of Monolithic Power Systems worth $217K as of Q2 2026.
  • Sepio Capital sold 36 Monolithic Power Systems shares in Q2 2026, an estimated $54K.
  • Monolithic Power Systems made up 0.01% of Sepio Capital's portfolio in Q2 2026, its #326 holding.
  • Sepio Capital first reported a position in Monolithic Power Systems in Q4 2023 and has held it in 3 quarters since.
  • Sepio Capital's Monolithic Power Systems position peaked at $220K in Q4 2023.
  • 1,245 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Sepio Capital's 13F filing for Q2 2026, filed 28 Jul 2026.