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Alta Advisers’s Monolithic Power Systems MPWR Stock Holding History

Alta Advisers’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 		$311K Hold
225
– – 0.07% 137
2026
Q1 		$246K Hold
225
– – 0.09% 172
2025
Q4 		$204K Sell
225
-40
-15% -$38.5K 0.07% 192
2025
Q3 		$244K Buy
+265
New +$215K 0.07% 216
2024
Q4 		– Sell
-200
Closed -$185K – 315
2024
Q3 		$185K Hold
200
– – 0.08% 161
2024
Q2 		$164K Hold
200
– – 0.08% 158
2024
Q1 		$135K Hold
200
– – 0.07% 201
2023
Q4 		$126K Hold
200
– – 0.07% 199
2023
Q3 		$92.4K Hold
200
– – 0.05% 254
2023
Q2 		$108K Hold
200
– – 0.06% 224
2023
Q1 		$100K Hold
200
– – 0.06% 237
2022
Q4 		$71K Hold
200
– – 0.04% 320
2022
Q3 		$73K Buy
+200
New +$89K 0.05% 294

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

Alta Advisers's MPWR Position: Q2 2026 in Review

Alta Advisers held its Monolithic Power Systems (MPWR) position steady in Q2 2026 at 225 shares worth $311K. The position accounts for 0.07% of the portfolio, ranked #137.

Alta Advisers first reported a position in MPWR in Q3 2022 and has held it in 13 quarters since. 1,237 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Alta Advisers held 225 shares of Monolithic Power Systems worth $311K as of Q2 2026.
  • Alta Advisers left its Monolithic Power Systems share count unchanged in Q2 2026.
  • Monolithic Power Systems made up 0.07% of Alta Advisers's portfolio in Q2 2026, its #137 holding.
  • Alta Advisers first reported a position in Monolithic Power Systems in Q3 2022 and has held it in 13 quarters since.
  • 1,237 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Alta Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.