Monolithic Power Systems Inc (MPWR) Institutional Ownership

Institutions by Trading Activity

48,042,000Shares Outstanding

49,161,793Shares held by institutions

$75,116,761,614Value of institutional holdings

102.33%Institutional ownership %

-29.18%Shares Changed QoQ

1,036No. of institutional investors

Monolithic Power Systems Inc (NASDAQ:MPWR) appears in 1,034 institutional 13F filings for the quarter ending December 2025.

These investors held 100.7% of outstanding shares in December 2025, down from 148.4% in September 2025.
Their total shares held in MPWR decreased -29.64% from the prior quarter, while the number of investors in Monolithic Power Systems increased 21.79% year over year.
Of these 1,034 funds, 557 grew their exposure to Monolithic Power Systems, 345 cut back, and 132 maintained positions.
Altogether, these fund groups held 48.36Mn shares in MPWR by December 2025, down by 20.37Mn shares quarter on quarter, and down 508.44K shares year over year.
As of December 31, 2025, the biggest holder of Monolithic Power Systems is Silverleafe Capital Partners, LLC at 451 shares, representing 0.0% of shares outstanding.
The most significant purchases of MPWR for the quarter ending December 2025 came from Silverleafe Capital Partners, LLC (451).
Monolithic Power Systems's 3 largest shareholders as of December 2025 include Silverleafe Capital Partners, LLC (451), Ares Financial Consulting, LLC (27), Aspect Partners, LLC (2) per Business Quant data.

49,161,793 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	6,034,394	-39,639	-0.65%	$5,469,333,346.00
BlackRock, Inc.	31 Dec, 2025	5,962,391	235,617	4.11%	$5,404,072,656.00
FMR LLC	31 Dec, 2025	3,977,008	412,212	11.56%	$3,604,600,851.00
State Street Corp	31 Dec, 2025	2,180,419	45,715	2.14%	$1,979,609,520.00
Corient Private Wealth LLC	31 Dec, 2025	2,098,506	2,044,913	3,815.63%	$140,011,505.00
Invesco Ltd.	31 Dec, 2025	1,434,689	295,556	25.95%	$1,300,344,794.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,382,280	44,583	3.33%	$1,248,435,634.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	1,200,802	450,114	59.96%	$1,088,360.00
Goldman Sachs Group Inc	31 Dec, 2025	1,187,404	753,079	173.39%	$1,076,215,424.00
Franklin Resources Inc	31 Dec, 2025	1,049,409	-2,644	-0.25%	$951,142,476.00
NORGES BANK	31 Dec, 2025	726,705	726,705	0.00%	$658,656,344.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	701,454	253,653	56.64%	$635,770,374.00
Morgan Stanley	31 Dec, 2025	649,070	90,399	16.18%	$588,293,698.00
Barclays Plc	31 Dec, 2025	604,802	-441,437	-42.19%	$548,168,340.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	570,719	14,132	2.54%	$517,276,874.00
Bank Of America Corp /De/	31 Dec, 2025	549,575	-896,057	-61.98%	$498,112,749.00
Jpmorgan Chase & Co	31 Dec, 2025	512,273	-1,214,183	-70.33%	$464,305,775.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	502,312	-230,136	-31.42%	$455,276.00
BROWN ADVISORY INC	31 Dec, 2025	500,755	-229,364	-31.41%	$453,887,111.00
Northern Trust Corp	31 Dec, 2025	483,700	-2,131	-0.44%	$438,406,331.00

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