1832 Asset Management
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1832 Asset Management’s Monolithic Power Systems MPWR Stock Holding History

1832 Asset Management’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 		– Sell
-13,400
Closed -$14.7M – 680
2026
Q1 		$14.7M Sell
13,400
-2,542
-16% -$2.78M 0.01% 334
2025
Q4 		$14.4M Sell
15,942
-4,218
-21% -$4.06M 0.01% 331
2025
Q3 		$18.6M Buy
20,160
+16,356
+430% +$13.3M 0.01% 276
2025
Q2 		$2.78M Buy
+3,804
New +$2.42M ﹤0.01% 428
2024
Q4 		– Sell
-129,200
Closed -$119M – 699
2024
Q3 		$119M Buy
129,200
+123,900
+2,338% +$107M 0.09% 116
2024
Q2 		$4.35M Buy
+5,300
New +$3.82M ﹤0.01% 398
2022
Q3 		– Sell
-21,600
Closed -$8.29M – 911
2022
Q2 		$8.29M Buy
+21,600
New +$9.12M 0.01% 386
2021
Q4 		– Sell
-20,000
Closed -$9.75M – 811
2021
Q3 		$9.75M Buy
+20,000
New +$9.1M 0.02% 337

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

1832 Asset Management's MPWR Position: Q2 2026 in Review

1832 Asset Management sold out of Monolithic Power Systems (MPWR) in Q2 2026, closing a stake of 13,400 shares — an estimated $14.7M sold.

1832 Asset Management first reported a position in MPWR in Q3 2021 and held it in 8 quarters. The position peaked at $119M in Q3 2024. 1,235 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • 1832 Asset Management reported no remaining Monolithic Power Systems position as of Q2 2026 after selling out during the quarter.
  • 1832 Asset Management sold 13,400 Monolithic Power Systems shares in Q2 2026, an estimated $14.7M.
  • 1832 Asset Management first reported a position in Monolithic Power Systems in Q3 2021 and held it in 8 quarters.
  • 1832 Asset Management's Monolithic Power Systems position peaked at $119M in Q3 2024.
  • 1,235 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on 1832 Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.