Empirical Wealth Management’s Monolithic Power Systems MPWR Stock Holding History

Empirical Wealth 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	$7.06M	Sell	5,110 -125	-2%	-$188K	0.1%	126
2026 Q1	$5.72M	Buy	5,235 +536	+11%	+$586K	0.1%	132
2025 Q4	$4.26M	Buy	4,699 +522	+12%	+$502K	0.08%	160
2025 Q3	$3.85M	Buy	+4,177	New	+$3.39M	0.08%	162
2022 Q1	–	Sell	-1,479	Closed	-$730K	–	531
2021 Q4	$730K	Sell	1,479 -561	-28%	-$290K	0.04%	273
2021 Q3	$989K	Buy	+2,040	New	+$928K	0.06%	194

Other funds holding MPWR

VNIM

Vaughan Nelson Investment Management Houston, Texas $11.3B AUM 53% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

Robeco Schweiz Zurich, Switzerland $6.23B AUM 86.54% 1-Year Est. Return

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

ZCI

Zevenbergen Capital Investments Edmonds, Washington $4.38B AUM 56.68% 1-Year Est. Return

STRS Ohio Columbus, Ohio $26.7B AUM 43.32% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

RAM

Resona Asset Management Koto-Ku,tokyo, Japan $21.3B AUM 36.92% 1-Year Est. Return

Empirical Wealth Management's MPWR Position: Q2 2026 in Review

Empirical Wealth Management reduced its Monolithic Power Systems (MPWR) stake by 2.4% in Q2 2026, selling an estimated $188K and leaving 5,110 shares worth $7.06M. The position accounts for 0.1% of the portfolio, ranked #126.

Empirical Wealth Management first reported a position in MPWR in Q3 2021 and has held it in 6 quarters since. 466 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

Empirical Wealth Management held 5,110 shares of Monolithic Power Systems worth $7.06M as of Q2 2026.
Empirical Wealth Management sold 125 Monolithic Power Systems shares in Q2 2026, an estimated $188K.
Monolithic Power Systems made up 0.1% of Empirical Wealth Management's portfolio in Q2 2026, its #126 holding.
Empirical Wealth Management first reported a position in Monolithic Power Systems in Q3 2021 and has held it in 6 quarters since.
466 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Empirical Wealth Management's 13F filing for Q2 2026, filed 15 Jul 2026.