Monolithic Power Systems Inc (MPWR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

246,707Shares held by institutions

$247,316,366Value of institutional holdings

99.81%Institutional ownership %

2.57%Shares Changed QoQ

904No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Monolithic Power Systems Inc (NASDAQ:MPWR) is held by 1,034 institutional investors per 13F filings through December 2025.

These investors held 100.7% of outstanding shares in December 2025, down from 148.4% in September 2025.
They decreased total shares held in Monolithic Power Systems by -29.64% from the prior quarter, while the number of investors in MPWR increased 21.79% year over year.
Activity in MPWR broke down as 557 buyers, 345 sellers, and 132 unchanged among 1,034 total holders.
Institutional investors collectively held 48.36Mn shares in Monolithic Power Systems as of December 2025, down by 20.37Mn shares quarter on quarter, and down 508.44K shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held the largest stake in Monolithic Power Systems with 6.03Mn shares, accounting for 12.56% of total shares outstanding.
The largest buyers of Monolithic Power Systems for the quarter ending December 2025 were Corient Private Wealth LLC (2.04Mn), NORGES BANK (726.7K), T. Rowe Price Investment Management, Inc. (450.11K), FMR LLC (412.21K), Invesco Ltd. (295.56K).
The largest sellers of Monolithic Power Systems for the quarter ending December 2025 were Lombard Odier Asset Management (Europe) Ltd (22.68Mn), Jpmorgan Chase & Co (1.21Mn), Bank Of America Corp /De/ (896.06K), CITADEL ADVISORS LLC (249.24K), VAN ECK ASSOCIATES CORP (230.14K).
Per Business Quant, the top 10 investors in MPWR for the quarter ending December 2025 include VANGUARD GROUP INC (6.03Mn), BlackRock, Inc. (5.96Mn), FMR LLC (3.98Mn), State Street Corp (2.18Mn), Corient Private Wealth LLC (2.1Mn), Invesco Ltd. (1.43Mn), GEODE CAPITAL MANAGEMENT, LLC (1.38Mn), T. Rowe Price Investment Management, Inc. (1.2Mn), Franklin Resources Inc (1.05Mn), NORGES BANK (726.7K).

1,036 Institutional Holders

246,707 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	235,617	4.11%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-39,639	-0.65%	$0.00
Corient Private Wealth LLC	31 Dec, 2025	2,044,913	3,815.63%	$0.00
Barclays Plc	31 Dec, 2025	-79,375	-11.60%	$0.00
FMR LLC	31 Dec, 2025	412,212	11.56%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	450,114	59.96%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	263,340	190.95%	$0.00
State Street Corp	31 Dec, 2025	45,715	2.14%	$0.00
UBS Group AG	31 Dec, 2025	-89,334	-16.91%	$0.00
World Investment Advisors	31 Dec, 2025	3,650	93.02%	$0.00
Invesco Ltd.	31 Dec, 2025	295,556	25.95%	$0.00
Nuveen, LLC	31 Dec, 2025	27,103	20.20%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	3,260	140.58%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	44,583	3.33%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	-17,893	-10.45%	$0.00
Forty-three Eighteen Advisors, LLC	31 Dec, 2025	1,433	0.00%	$0.00
Franklin Resources Inc	31 Dec, 2025	-2,644	-0.25%	$0.00
Pictet Asset Management Holding SA	31 Dec, 2025	-4,788	-3.03%	$0.00
STANCE CAPITAL LLC	31 Dec, 2025	1,416	0.00%	$0.00
NORGES BANK	31 Dec, 2025	726,705	0.00%	$0.00

1 - 20 of 1,036

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