Blackstone Inc
MPWR icon

Blackstone Inc’s Monolithic Power Systems MPWR Stock Holding History

Blackstone Inc’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 		$713K Buy
+516
New +$775K ﹤0.01% 294
2018
Q3 		– Sell
-17,350
Closed -$2.32M – 72
2018
Q2 		$2.32M Buy
+17,350
New +$2.21M 0.01% 64

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

Blackstone Inc's MPWR Position: Q2 2026 in Review

Blackstone Inc opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 516 shares worth $713K. The stake represents ﹤0.01% of the portfolio and ranks #294 among its holdings. This is a return to the name: Blackstone Inc previously reported a position in MPWR as recently as Q2 2018.

Blackstone Inc first reported a position in MPWR in Q2 2018 and has held it in 2 quarters since. The position peaked at $2.32M in Q2 2018. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Blackstone Inc held 516 shares of Monolithic Power Systems worth $713K as of Q2 2026.
  • Monolithic Power Systems was a new Blackstone Inc position in Q2 2026.
  • Monolithic Power Systems made up ﹤0.01% of Blackstone Inc's portfolio in Q2 2026, its #294 holding.
  • Blackstone Inc first reported a position in Monolithic Power Systems in Q2 2018 and has held it in 2 quarters since.
  • Blackstone Inc's Monolithic Power Systems position peaked at $2.32M in Q2 2018.
  • 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Blackstone Inc's 13F filing for Q2 2026, filed 14 Aug 2026.