K.J. Harrison & Partners’s Monolithic Power Systems MPWR Stock Holding History

K.J. Harrison & 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
2025 Q4	–	Sell	-1,000	Closed	-$931K	–	242
2025 Q3	$931K	Buy	+1,000	New	+$811K	0.13%	136
2016 Q4	–	Sell	-9,000	Closed	-$725K	–	223
2016 Q3	$725K	Hold	9,000	–	–	0.35%	91
2016 Q2	$615K	Buy	9,000 +4,000	+80%	+$262K	0.33%	95
2016 Q1	$318K	Sell	5,000 -11,000	-69%	-$655K	0.17%	131
2015 Q4	$1.02M	Buy	+16,000	New	+$994K	0.45%	74

Other funds holding MPWR

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Norges Bank Oslo, Norway $935B AUM

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

K.J. Harrison & Partners's MPWR Position: Q4 2025 in Review

K.J. Harrison & Partners sold out of Monolithic Power Systems (MPWR) in Q4 2025, closing a stake of 1,000 shares — an estimated $931K sold.

K.J. Harrison & Partners first reported a position in MPWR in Q4 2015 and held it in 5 quarters. The position peaked at $1.02M in Q4 2015. 1,060 funds tracked by Wall St. Rank hold MPWR as of Q4 2025.

K.J. Harrison & Partners reported no remaining Monolithic Power Systems position as of Q4 2025 after selling out during the quarter.
K.J. Harrison & Partners sold 1,000 Monolithic Power Systems shares in Q4 2025, an estimated $931K.
K.J. Harrison & Partners first reported a position in Monolithic Power Systems in Q4 2015 and held it in 5 quarters.
K.J. Harrison & Partners's Monolithic Power Systems position peaked at $1.02M in Q4 2015.
1,060 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q4 2025.

Based on K.J. Harrison & Partners's 13F filing for Q4 2025, filed 3 Feb 2026.