Westfuller Advisors
MPWR icon

Westfuller Advisors’s Monolithic Power Systems MPWR Stock Holding History

Westfuller Advisors’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
Q3 		$29.9K Hold
22
– – 0.01% 346
2026
Q2 		$30.7K Buy
22
+1
+5% +$1.5K 0.01% 357
2026
Q1 		$23.3K Hold
21
– – 0.01% 342
2025
Q4 		$19.3K Buy
21
+2
+11% +$1.92K 0.01% 380
2025
Q3 		$17.7K Buy
+19
New +$15.4K 0.01% 381

Other funds holding MPWR

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $165B AUM 72.14% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return

Westfuller Advisors's MPWR Position: Q3 2026 in Review

Westfuller Advisors held its Monolithic Power Systems (MPWR) position steady in Q3 2026 at 22 shares worth $29.9K. The position accounts for 0.01% of the portfolio, ranked #346.

Westfuller Advisors first reported a position in MPWR in Q3 2025 and has held it in 5 quarters since. The position peaked at $30.7K in Q2 2026. 1,045 funds tracked by Wall St. Rank hold MPWR as of Q3 2026.

  • Westfuller Advisors held 22 shares of Monolithic Power Systems worth $29.9K as of Q3 2026.
  • Westfuller Advisors left its Monolithic Power Systems share count unchanged in Q3 2026.
  • Monolithic Power Systems made up 0.01% of Westfuller Advisors's portfolio in Q3 2026, its #346 holding.
  • Westfuller Advisors first reported a position in Monolithic Power Systems in Q3 2025 and has held it in 5 quarters since.
  • Westfuller Advisors's Monolithic Power Systems position peaked at $30.7K in Q2 2026.
  • 1,045 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2026.

Based on Westfuller Advisors's 13F filing for Q3 2026, filed 12 Nov 2026.