Question 1

How many shares of MPWR does BlackRock, Inc. own?

Accepted Answer

As of 2026-Q2, BlackRock, Inc. holds 5.6M shares of MPWR (MONOLITHIC POWER SYSTEMS INC).

Question 2

What is BlackRock, Inc.'s MPWR position worth?

Accepted Answer

As of 2026-Q2, BlackRock, Inc.'s MPWR position is worth $7.7B.

Question 3

Is BlackRock, Inc. buying or selling MPWR?

Accepted Answer

In 2026-Q2, BlackRock, Inc. decreased their MPWR position (-8.0% change in shares).

Question 4

When did BlackRock, Inc. first buy MPWR?

Accepted Answer

Based on available 13F filings, BlackRock, Inc. first reported a position in MPWR in 2024-Q4. They have held the position across 7 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	5.6M	-8.0%	$7.7B	0.1%	$1,382.36	0
2026-Q1	Increased	6.1M	+1.9%	$6.6B	0.1%	$1,074.37	39
2025-Q4	Increased	6M	+4.1%	$5.4B	0.1%	$922.35	33
2025-Q3	Increased	5.7M	+9.5%	$5.3B	0.1%	$883.54	35
2025-Q2	Increased	5.2M	+6.4%	$3.8B	0.1%	$731.94	34
2025-Q1	Decreased	4.9M	-9.4%	$2.8B	0.1%	$575.12	0
2024-Q4	New	5.4M	-	$3.2B	0.1%	$597.44	44

MPWR7 quarters

MPWR
7 quarters