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Sigma Planning Corp’s Monolithic Power Systems MPWR Stock Holding History

Sigma Planning Corp’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 		$514K Sell
372
-42
-10% -$63.1K 0.01% 903
2026
Q1 		$453K Buy
+414
New +$452K 0.01% 878
2018
Q2 		– Sell
-1,874
Closed -$217K – 929
2018
Q1 		$217K Buy
+1,874
New +$222K 0.02% 743

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

Sigma Planning Corp's MPWR Position: Q2 2026 in Review

Sigma Planning Corp reduced its Monolithic Power Systems (MPWR) stake by 10% in Q2 2026, selling an estimated $63.1K and leaving 372 shares worth $514K. The position accounts for 0.01% of the portfolio, ranked #903.

Sigma Planning Corp first reported a position in MPWR in Q1 2018 and has held it in 3 quarters since. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Sigma Planning Corp held 372 shares of Monolithic Power Systems worth $514K as of Q2 2026.
  • Sigma Planning Corp sold 42 Monolithic Power Systems shares in Q2 2026, an estimated $63.1K.
  • Monolithic Power Systems made up 0.01% of Sigma Planning Corp's portfolio in Q2 2026, its #903 holding.
  • Sigma Planning Corp first reported a position in Monolithic Power Systems in Q1 2018 and has held it in 3 quarters since.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Sigma Planning Corp's 13F filing for Q2 2026, filed 7 Aug 2026.