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Ground Swell Capital’s Monolithic Power Systems MPWR Stock Holding History

Ground Swell 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 		$395K Buy
+286
New +$429K 0.43% 26
2022
Q3 		– Sell
-928
Closed -$356K – 164
2022
Q2 		$356K Buy
+928
New +$392K 0.65% 51
2014
Q3 		$6K Buy
+131
New +$5.76K 0.01% 1344

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

Ground Swell Capital's MPWR Position: Q2 2026 in Review

Ground Swell Capital opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 286 shares worth $395K. The stake represents 0.43% of the portfolio and ranks #26 among its holdings. This is a return to the name: Ground Swell Capital previously reported a position in MPWR as recently as Q2 2022.

Ground Swell Capital first reported a position in MPWR in Q3 2014 and has held it in 3 quarters since. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Ground Swell Capital held 286 shares of Monolithic Power Systems worth $395K as of Q2 2026.
  • Monolithic Power Systems was a new Ground Swell Capital position in Q2 2026.
  • Monolithic Power Systems made up 0.43% of Ground Swell Capital's portfolio in Q2 2026, its #26 holding.
  • Ground Swell Capital first reported a position in Monolithic Power Systems in Q3 2014 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 Ground Swell Capital's 13F filing for Q2 2026, filed 5 Aug 2026.