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B. Riley Wealth Advisors’s Monolithic Power Systems MPWR Stock Holding History

B. Riley Wealth 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
2025
Q2 		– Sell
-416
Closed -$241K – 1257
2025
Q1 		$241K Buy
+416
New +$262K 0.01% 1077
2015
Q1 		– Sell
-1,829
Closed -$91K – 1429
2014
Q4 		$91K Buy
+1,829
New +$82.1K ﹤0.01% 1791
2014
Q3 		– Sell
-1,923
Closed -$81.4K – 1402
2014
Q2 		$81.4K Buy
+1,923
New +$74.6K 0.02% 810

Other funds holding MPWR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

B. Riley Wealth Advisors's MPWR Position: Q2 2025 in Review

B. Riley Wealth Advisors sold out of Monolithic Power Systems (MPWR) in Q2 2025, closing a stake of 416 shares — an estimated $241K sold.

B. Riley Wealth Advisors first reported a position in MPWR in Q2 2014 and held it in 3 quarters. The position peaked at $241K in Q1 2025. 906 funds tracked by Wall St. Rank hold MPWR as of Q2 2025.

  • B. Riley Wealth Advisors reported no remaining Monolithic Power Systems position as of Q2 2025 after selling out during the quarter.
  • B. Riley Wealth Advisors sold 416 Monolithic Power Systems shares in Q2 2025, an estimated $241K.
  • B. Riley Wealth Advisors first reported a position in Monolithic Power Systems in Q2 2014 and held it in 3 quarters.
  • B. Riley Wealth Advisors's Monolithic Power Systems position peaked at $241K in Q1 2025.
  • 906 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2025.

Based on B. Riley Wealth Advisors's 13F filing for Q2 2025, filed 19 Aug 2025.