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Boothbay Fund Management’s Monolithic Power Systems MPWR Stock Holding History

Boothbay Fund 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 		$3.46M Buy
+2,500
New +$3.75M 0.05% 466

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

Boothbay Fund Management's MPWR Position: Q2 2026 in Review

Boothbay Fund Management opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 1,229 shares worth $1.7M. The stake represents 0.02% of the portfolio and ranks #799 among its holdings. This is a return to the name: Boothbay Fund Management previously reported a position in MPWR as recently as Q3 2024.

Boothbay Fund Management first reported a position in MPWR in Q2 2016 and has held it in 27 quarters since. The position peaked at $5.49M in Q1 2022. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Boothbay Fund Management held 1,229 shares of Monolithic Power Systems worth $1.7M as of Q2 2026.
  • Monolithic Power Systems was a new Boothbay Fund Management position in Q2 2026.
  • Monolithic Power Systems made up 0.02% of Boothbay Fund Management's portfolio in Q2 2026, its #799 holding.
  • Boothbay Fund Management first reported a position in Monolithic Power Systems in Q2 2016 and has held it in 27 quarters since.
  • Boothbay Fund Management's Monolithic Power Systems position peaked at $5.49M in Q1 2022.
  • 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

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