Question 1

How many shares of MPWR does Clearbridge Investments, LLC own?

Accepted Answer

As of 2026-Q2, Clearbridge Investments, LLC holds 12,222 shares of MPWR (MONOLITHIC POWER SYSTEMS INC).

Question 2

What is Clearbridge Investments, LLC's MPWR position worth?

Accepted Answer

As of 2026-Q2, Clearbridge Investments, LLC's MPWR position is worth $16.9M.

Question 3

Is Clearbridge Investments, LLC buying or selling MPWR?

Accepted Answer

In 2026-Q2, Clearbridge Investments, LLC decreased their MPWR position (-26.9% change in shares).

Question 4

When did Clearbridge Investments, LLC first buy MPWR?

Accepted Answer

Based on available 13F filings, Clearbridge Investments, LLC first reported a position in MPWR in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	12,222	-26.9%	$16.9M	0.0%	$1,382.36	0
2026-Q1	Increased	16,717	+81.5%	$18.3M	0.0%	$1,074.37	44
2025-Q4	Unchanged	9,211	0.0%	$8.3M	0.0%	$922.35	0
2025-Q3	Increased	9,211	+2.9%	$8.5M	0.0%	$883.54	28
2025-Q2	Decreased	8,952	-77.1%	$6.5M	0.0%	$731.94	0
2025-Q1	Decreased	39,120	-25.8%	$22.7M	0.0%	$575.12	0
2024-Q4	Decreased	52,746	-1.6%	$31.2M	0.0%	$597.44	0
2024-Q3	Decreased	53,580	-74.3%	$49.5M	0.0%	$914.24	0