BP
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Ballentine Partners’s Monolithic Power Systems MPWR Stock Holding History

Ballentine Partners’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 		$846K Buy
612
+24
+4% +$36K 0.01% 407
2026
Q1 		$643K Buy
588
+21
+4% +$22.9K 0.01% 454
2025
Q4 		$514K Buy
567
+12
+2% +$11.5K 0.01% 497
2025
Q3 		$511K Buy
555
+24
+5% +$19.5K 0.01% 500
2025
Q2 		$388K Buy
531
+150
+39% +$95.6K 0.01% 574
2025
Q1 		$221K Buy
+381
New +$240K ﹤0.01% 756
2024
Q4 		– Sell
-326
Closed -$301K – 930
2024
Q3 		$301K Buy
+326
New +$281K 0.01% 588

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

Ballentine Partners's MPWR Position: Q2 2026 in Review

Ballentine Partners increased its Monolithic Power Systems (MPWR) stake by 4.1% in Q2 2026, buying an estimated $36K and bringing the position to 612 shares worth $846K. The position accounts for 0.01% of the portfolio, ranked #407.

Ballentine Partners first reported a position in MPWR in Q3 2024 and has held it in 7 quarters since. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Ballentine Partners held 612 shares of Monolithic Power Systems worth $846K as of Q2 2026.
  • Ballentine Partners bought 24 Monolithic Power Systems shares in Q2 2026, an estimated $36K.
  • Monolithic Power Systems made up 0.01% of Ballentine Partners's portfolio in Q2 2026, its #407 holding.
  • Ballentine Partners first reported a position in Monolithic Power Systems in Q3 2024 and has held it in 7 quarters since.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Ballentine Partners's 13F filing for Q2 2026, filed 17 Jul 2026.