What does CUSIP 609839105 represent in this 13F holders report?

CUSIP 609839105 is the security identifier for MPWR - MONOLITHIC POWER SYSTEMS INC - Common Stock used to aggregate holder disclosures.

How many institutions held MPWR - MONOLITHIC POWER SYSTEMS INC - Common Stock in Q2 2023?

644 institutional investors reported MPWR - MONOLITHIC POWER SYSTEMS INC - Common Stock for Q2 2023. Use the holders table for investor-level position and value details.

MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR)

CUSIP: 609839105

Q2 2023 13F Holders as of 30 Jun 2023

Type / Class: Equity / Common Stock
Shares outstanding: 49,129,186
Total 13F shares: 46,640,420
Share change: +85,145
Total reported value: $25,183,815,752
Put/Call ratio: 74%
Price per share: $540.23
Number of holders: 644
Value change: +$71,548,693
Number of buys: 299
Number of sells: 341

Quarterly Holders Quick Answers

What is CUSIP 609839105?
CUSIP 609839105 identifies MPWR - MONOLITHIC POWER SYSTEMS INC - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2023
Previous quarter: Q1 2023

Recent filing periods for CUSIP 609839105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MPWR - MONOLITHIC POWER SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	11%	5,174,126	$2,589,857,254	—	31 Mar 2023	13F
VANGUARD GROUP INC	13F	Company	10%	5,147,685	$2,576,622,249	—	31 Mar 2023	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	6.8%	3,334,397	$1,669,001,000	—	31 Mar 2023	13F
STATE STREET CORP	13F	Company	3.7%	1,811,967	$908,747,809	—	31 Mar 2023	13F
FMR LLC	13F	Company	3.6%	1,757,149	$879,523,689	—	31 Mar 2023	13F
FRANKLIN RESOURCES INC	13F	Company	3.5%	1,707,607	$854,725,509	—	31 Mar 2023	13F
Invesco Ltd.	13F	Company	3.3%	1,640,005	$820,888,187	—	31 Mar 2023	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	2.3%	1,130,907	$566,064,190	—	31 Mar 2023	13F
BROWN ADVISORY INC	13F	Company	2.1%	1,027,102	$514,106,143	—	31 Mar 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2%	966,299	$482,618,277	—	31 Mar 2023	13F
Artisan Partners Limited Partnership	13F	Company	1.7%	812,304	$406,590,644	—	31 Mar 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.5%	721,842	$361,310,616	—	31 Mar 2023	13F
JPMORGAN CHASE & CO	13F	Company	1.4%	671,820	$336,271,543	—	31 Mar 2023	13F
Nuveen Asset Management, LLC	13F	Company	1.3%	662,475	$331,596,000	—	31 Mar 2023	13F
MACQUARIE GROUP LTD	13F	Company	1.3%	634,500	$317,592,297	—	31 Mar 2023	13F
Capital Research Global Investors	13F	Company	1.2%	570,556	$285,586,100	—	31 Mar 2023	13F
VAN ECK ASSOCIATES CORP	13F	Company	1.1%	518,531	$259,545,000	—	31 Mar 2023	13F
NORGES BANK	13F	Company	0.99%	485,567	$243,045,706	—	31 Mar 2023	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.92%	452,155	$226,321,664	—	31 Mar 2023	13F
NORTHERN TRUST CORP	13F	Company	0.91%	448,889	$224,686,899	—	31 Mar 2023	13F
Clearbridge Investments, LLC	13F	Company	0.86%	424,396	$212,427,354	—	31 Mar 2023	13F
Allspring Global Investments Holdings, LLC	13F	Company	0.85%	415,604	$208,026,496	—	31 Mar 2023	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.8%	392,763	$196,593,592	—	31 Mar 2023	13F
Impax Asset Management Group plc	13F	Company	0.77%	378,712	$188,753,133	—	31 Mar 2023	13F
Bank of New York Mellon Corp	13F	Company	0.76%	375,669	$188,037,231	—	31 Mar 2023	13F
WASATCH ADVISORS LP	13F	Company	0.74%	361,679	$181,034,807	—	31 Mar 2023	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.69%	340,029	$170,198,116	—	31 Mar 2023	13F
Polar Capital Holdings Plc	13F	Company	0.69%	336,973	$168,668,465	—	31 Mar 2023	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.69%	336,687	$168,525,000	—	31 Mar 2023	13F
MORGAN STANLEY	13F	Company	0.66%	324,309	$162,330,345	—	31 Mar 2023	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.62%	305,974	$153,152,226	—	31 Mar 2023	13F
Neuberger Berman Group LLC	13F	Company	0.61%	301,818	$150,616,423	—	31 Mar 2023	13F
Legal & General Group Plc	13F	Company	0.56%	277,059	$138,678,677	—	31 Mar 2023	13F
CONGRESS ASSET MANAGEMENT CO	13F	Company	0.56%	276,620	$138,459,222	—	31 Mar 2023	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.58%	283,229	$138,144,158	—	31 Mar 2023	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.56%	274,581	$137,515,936	—	31 Mar 2023	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.52%	255,188	$127,731,802	—	31 Mar 2023	13F
Robeco Schweiz AG	13F	Company	0.49%	238,650	$119,453,871	—	31 Mar 2023	13F
SEI INVESTMENTS CO	13F	Company	0.48%	237,926	$119,089,938	—	31 Mar 2023	13F
LORD, ABBETT & CO. LLC	13F	Company	0.47%	231,636	$115,943,000	—	31 Mar 2023	13F
Rafferty Asset Management, LLC	13F	Company	0.43%	213,067	$106,648,556	—	31 Mar 2023	13F
Whale Rock Capital Management LLC	13F	Company	0.42%	208,472	$104,348,575	—	31 Mar 2023	13F
EARNEST PARTNERS LLC	13F	Company	0.42%	205,202	$102,711,809	—	31 Mar 2023	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.41%	201,284	$100,750,731	—	31 Mar 2023	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.4%	197,980	$99,097,000	—	31 Mar 2023	13F
Holocene Advisors, LP	13F	Company	0.4%	195,548	$97,879,596	—	31 Mar 2023	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.4%	194,386	$97,298,000	—	31 Mar 2023	13F
Deutsche Girozentrale DekaBank	13F	Individual	0.37%	182,085	$90,181,000	—	31 Mar 2023	13F
CITADEL ADVISORS LLC	13F	Company	0.36%	177,347	$88,769,267	—	31 Mar 2023	13F
Swiss National Bank	13F	Company	0.36%	176,900	$88,545,526	—	31 Mar 2023	13F

Institutional Holders of MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR) as of Q2 2023

As of 30 Jun 2023, MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR) was held by 644 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 46,640,420 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, FMR LLC, PRICE T ROWE ASSOCIATES INC /MD/, STATE STREET CORP, FRANKLIN RESOURCES INC, Invesco Ltd., JPMORGAN CHASE & CO, MASSACHUSETTS FINANCIAL SERVICES CO /MA/, and BROWN ADVISORY INC. This page lists 645 institutional shareholders reporting positions in this security for the Q2 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2023 vs Q1 2023 Across Filers

Q1 2023 holders

658

Q2 2023 holders

644

Holder diff

-14

Investor	Q1 2023 Shares	Q2 2023 Shares	Share Diff	Share Chg %	Q1 2023 Value $	Q2 2023 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.