Twin Tree Management
MPWR icon

Twin Tree Management’s Monolithic Power Systems MPWR Stock Holding History

Twin Tree 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
2025
Q3 		– Sell
-2,291
Closed -$1.68M – 1708
2025
Q2 		$1.68M Sell
2,291
-12,246
-84% -$7.8M ﹤0.01% 1290
2025
Q1 		$8.43M Buy
14,537
+7,780
+115% +$4.9M 0.02% 723
2024
Q4 		$4M Buy
6,757
+6,744
+51,877% +$4.88M 0.01% 998
2024
Q3 		$12K Sell
13
-15,592
-100% -$13.5M ﹤0.01% 1441
2024
Q2 		$12.8M Buy
15,605
+3,243
+26% +$2.34M 0.03% 502
2024
Q1 		$8.37M Buy
+12,362
New +$8.25M 0.02% 692
2022
Q4 		– Sell
-32,921
Closed -$12M – 1467
2022
Q3 		$12M Sell
32,921
-5,553
-14% -$2.47M 0.02% 503
2022
Q2 		$14.8M Buy
+38,474
New +$16.3M 0.02% 522
2022
Q1 		– Sell
-3,424
Closed -$1.49M – 1798
2021
Q4 		$1.69M Buy
+3,424
New +$1.77M ﹤0.01% 1135
2021
Q2 		– Sell
-7,896
Closed -$2.78M – 1527
2021
Q1 		$2.79M Buy
7,896
+7,487
+1,831% +$2.73M 0.01% 772
2020
Q4 		$150K Buy
+409
New +$131K ﹤0.01% 1118
2020
Q3 		– Sell
-2,119
Closed -$502K – 1473
2020
Q2 		$502K Buy
+2,119
New +$429K ﹤0.01% 1161
2019
Q1 		– Sell
-12,917
Closed -$1.5M – 1487
2018
Q4 		$1.5M Buy
+12,917
New +$1.55M 0.01% 789
2018
Q3 		– Sell
-3,113
Closed -$416K – 1222
2018
Q2 		$416K Buy
3,113
+2,739
+732% +$349K ﹤0.01% 921
2018
Q1 		$43K Buy
+374
New +$44.3K ﹤0.01% 1014

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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Twin Tree Management's MPWR Position: Q3 2025 in Review

Twin Tree Management sold out of Monolithic Power Systems (MPWR) in Q3 2025, closing a stake of 2,291 shares — an estimated $1.68M sold.

Twin Tree Management first reported a position in MPWR in Q1 2018 and held it in 15 quarters. The position peaked at $14.8M in Q2 2022. 981 funds tracked by Wall St. Rank hold MPWR as of Q3 2025.

  • Twin Tree Management reported no remaining Monolithic Power Systems position as of Q3 2025 after selling out during the quarter.
  • Twin Tree Management sold 2,291 Monolithic Power Systems shares in Q3 2025, an estimated $1.68M.
  • Twin Tree Management first reported a position in Monolithic Power Systems in Q1 2018 and held it in 15 quarters.
  • Twin Tree Management's Monolithic Power Systems position peaked at $14.8M in Q2 2022.
  • 981 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2025.

Based on Twin Tree Management's 13F filing for Q3 2025, filed 13 Nov 2025.