Bayesian Capital Management’s Monolithic Power Systems MPWR Stock Holding History

Bayesian Capital 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 Q4	–	Sell	-1,100	Closed	-$1.01M	–	382
2025 Q3	$1.01M	Buy	+1,100	New	+$892K	0.21%	161
2024 Q4	–	Sell	-2,043	Closed	-$1.89M	–	871
2024 Q3	$1.89M	Sell	2,043 -1,500	-42%	-$1.3M	0.22%	134
2024 Q2	$2.91M	Buy	+3,543	New	+$2.56M	0.33%	68
2023 Q2	–	Sell	-4,100	Closed	-$2.05M	–	968
2023 Q1	$2.05M	Buy	4,100 +600	+17%	+$276K	0.25%	107
2022 Q4	$1.24M	Buy	3,500 +293	+9%	+$105K	0.18%	140
2022 Q3	$1.17M	Buy	+3,207	New	+$1.43M	0.24%	114
2022 Q2	–	Sell	-2,700	Closed	-$1.31M	–	967
2022 Q1	$1.31M	Buy	+2,700	New	+$1.18M	0.2%	147
2021 Q4	–	Sell	-793	Closed	-$384K	–	468
2021 Q3	$384K	Buy	+793	New	+$361K	0.11%	222
2020 Q1	–	Sell	-1,524	Closed	-$271K	–	904
2019 Q4	$271K	Buy	+1,524	New	+$243K	0.05%	453
2019 Q1	–	Sell	-2,260	Closed	-$263K	–	686
2018 Q4	$263K	Sell	2,260 -140	-6%	-$16.8K	0.05%	445
2018 Q3	$301K	Buy	+2,400	New	+$335K	0.05%	455
2016 Q1	–	Sell	-4,514	Closed	-$288K	–	407
2015 Q4	$288K	Buy	+4,514	New	+$280K	0.41%	107

Other funds holding MPWR

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

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

Bayesian Capital Management's MPWR Position: Q4 2025 in Review

Bayesian Capital Management sold out of Monolithic Power Systems (MPWR) in Q4 2025, closing a stake of 1,100 shares — an estimated $1.01M sold.

Bayesian Capital Management first reported a position in MPWR in Q4 2015 and held it in 12 quarters. The position peaked at $2.91M in Q2 2024. 1,061 funds tracked by Wall St. Rank hold MPWR as of Q4 2025.

Bayesian Capital Management reported no remaining Monolithic Power Systems position as of Q4 2025 after selling out during the quarter.
Bayesian Capital Management sold 1,100 Monolithic Power Systems shares in Q4 2025, an estimated $1.01M.
Bayesian Capital Management first reported a position in Monolithic Power Systems in Q4 2015 and held it in 12 quarters.
Bayesian Capital Management's Monolithic Power Systems position peaked at $2.91M in Q2 2024.
1,061 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q4 2025.

Based on Bayesian Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.