Monolithic Power Systems, Inc.

MPWR

Exchange: Nasdaq
Industry: Semiconductors & Related Devices
SEC CIK: 0001280452

SEC filings (opens in a new tab)

In the last 90 days, Monolithic Power Systems, Inc. insiders filed 0 open-market purchases and 9 sales; 1,250 institutions reported holding it in 13F filings for Q2 2026, worth $65.6B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.

13F holders, Q4 2024

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 864; −6 vs. Q3 2024
Shares held: 46.5M; +350.5K (+0.8%) vs. Q3 2024
Total value: $27.6B; −$15.0B (−35.3%) vs. Q3 2024
New holders: 153; 321 more added
Sold out: 159; 291 more reduced

15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 864 institutions

Value heldQ4 2024: $27.6B

Institutions holding MPWR and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,250	$65.6B
Q1 2026	1,124	$51.6B
Q4 2025	1,061	$44.2B
Q3 2025	981	$43.0B
Q2 2025	907	$34.6B
Q1 2025	862	$27.0B
Q4 2024	864	$27.6B
Q3 2024	885	$42.8B
Q2 2024	838	$38.6B
Q1 2024	807	$31.2B
Q4 2023	737	$28.6B
Q3 2023	655	$21.2B
Q2 2023	652	$25.2B
Q1 2023	669	$23.3B
Q4 2022	611	$16.5B
Q3 2022	630	$16.6B
Q2 2022	625	$16.8B
Q1 2022	611	$21.3B
Q4 2021	627	$21.5B
Q3 2021	579	$21.1B
Q2 2021	533	$16.1B
Q1 2021	530	$15.1B

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2024.

Institutions holding MPWR in Q4 2024
Institution	Shares	Value	% of portfolio	Change in shares	Action
Hemington Wealth Management	9	$5.00K	0.00%	−3−25.0%	Reduced
SJS Investment Consulting Inc.	8	$4.74K	0.00%	+6+300.0%	Added
Cary Street Partners Financial LLC	8	$4.73K	0.00%	+8	New
Crowley Wealth Management, Inc.	8	$4.73K	0.00%	+8	New
Dunhill Financial, LLC	8	$4.48K	0.00%	−2−20.0%	Reduced
Legacy Investment Solutions, LLC	6	$4.32K	0.00%	+6	New
Legacy Wealth Managment, LLC	6	$4.32K	0.00%	+6	New
Beacon Capital Management, LLC	7	$4.15K	0.00%	00.0%	Unchanged
Mowery & Schoenfeld Wealth Management, LLC	7	$4.14K	0.01%	+7	New
South Plains Financial, Inc.	7	$4.14K	0.00%	+7	New
Smithfield Trust Co	5	$4.00K	0.00%	00.0%	Unchanged
Abound Wealth Management	7	$3.91K	0.00%	−3−30.0%	Reduced
REAP Financial Group, LLC	6	$3.58K	0.00%	00.0%	Unchanged
Pittenger & Anderson Inc	6	$3.55K	0.00%	00.0%	Unchanged
Proffitt & Goodson Inc	6	$3.55K	0.00%	00.0%	Unchanged
Concord Wealth Partners	6	$3.55K	0.00%	00.0%	Unchanged
Westside Investment Management, Inc.	6	$3.55K	0.00%	00.0%	Unchanged
Hexagon Capital Partners LLC	6	$3.55K	0.00%	+6	New
Whipplewood Advisors, LLC	6	$3.55K	0.00%	+6	New
Synergy Investment Management, LLC	6	$3.55K	0.00%	+6	New
Prestige Wealth Management Group LLC	5	$2.96K	0.00%	00.0%	Unchanged
Bruce G. Allen Investments, LLC	5	$2.96K	0.00%	00.0%	Unchanged
Glen Eagle Advisors, LLC	5	$2.96K	0.00%	00.0%	Unchanged
Minot DeBlois Advisors LLC	5	$2.96K	0.00%	+5	New
Caitong International Asset Management Co., Ltd	5	$2.96K	0.00%	+5	New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	5	$2.96K	0.00%	−1−16.7%	Reduced
Kozak & Associates, Inc.	4	$2.49K	0.00%	00.0%	Unchanged
NewSquare Capital LLC	4	$2.37K	0.00%	+4	New
WealthTrak Capital Management LLC	4	$2.37K	0.00%	+4	New
Avion Wealth	5	$2.00K	0.00%	−7−58.3%	Reduced
Cornerstone Planning Group LLC	3	$1.80K	0.00%	+3	New
MCF Advisors LLC	3	$1.78K	0.00%	−1−25.0%	Reduced
Albion Financial Group	3	$1.78K	0.00%	00.0%	Unchanged
Avalon Trust Co	3	$1.78K	0.00%	+3	New
WealthCollab, LLC	3	$1.78K	0.00%	+3	New
Creative Financial Designs Inc	3	$1.77K	0.00%	−14−82.4%	Reduced
Financial Network Wealth Advisors LLC	3	$1.77K	0.00%	−12−80.0%	Reduced
Longfellow Investment Management Co LLC	3	$1.77K	0.00%	00.0%	Unchanged
Cassady Schiller Wealth Management, LLC	3	$1.77K	0.00%	+3	New
Crews Bank & Trust	3	$1.77K	0.00%	+3	New
Cranbrook Wealth Management, LLC	2	$1.30K	0.00%	+2	New
DiNuzzo Private Wealth, Inc.	2	$1.18K	0.00%	−3−60.0%	Reduced
TFC Financial Management	2	$1.18K	0.00%	00.0%	Unchanged
Trifecta Capital Advisors, LLC	2	$1.18K	0.00%	00.0%	Unchanged
St Germain D J Co Inc	2	$1.18K	0.00%	00.0%	Unchanged
Raffa Wealth Management, LLC	2	$1.18K	0.00%	00.0%	Unchanged
Horizon Financial Services, LLC	2	$1.18K	0.00%	00.0%	Unchanged
Highline Wealth Partners LLC	2	$1.18K	0.00%	00.0%	Unchanged
Ancora Advisors, LLC	2	$1.18K	0.00%	+2	New
High Note Wealth, LLC	2	$1.18K	0.00%	+2	New
Capital Advisors, Ltd. LLC	2	$1.00K	0.00%	−2−50.0%	Reduced
Carolinas Wealth Consulting LLC	1	$593	0.00%	−2−66.7%	Reduced
BOK Financial Private Wealth, Inc.	1	$593	0.00%	+1	New
HighMark Wealth Management LLC	1	$592	0.00%	00.0%	Unchanged
West Paces Advisors Inc.	1	$592	0.00%	00.0%	Unchanged
Kohmann Bosshard Financial Services, LLC	1	$592	0.00%	+1	New
Human Investing LLC	1	$592	0.00%	+1	New
Annis Gardner Whiting Capital Advisors, LLC	1	$592	0.00%	+1	New
Parkworth Wealth Management, Inc.	1	$592	0.00%	+1	New
Principia Wealth Advisory, LLC	1	$592	0.00%	+1	New
MPWM Advisory Solutions, LLC	1	$592	0.00%	+1	New
Chesapeake Asset Management LLC	1	$591	0.00%	+1	New
True Wealth Design, LLC	1	$450	0.00%	−11−91.7%	Reduced
Close Asset Management Ltd	75	$0	0.00%	00.0%	Unchanged
Capital Research Global Investors	0	$0	0.00%	−256,871−100.0%	Sold out
Whale Rock Capital Management LLC	0	$0	0.00%	−200,490−100.0%	Sold out
1832 Asset Management L.P.	0	$0	0.00%	−129,200−100.0%	Sold out
Lord, Abbett & Co. LLC	0	$0	0.00%	−125,515−100.0%	Sold out
Analog Century Management LP	0	$0	0.00%	−103,840−100.0%	Sold out
Twinbeech Capital LP	0	$0	0.00%	−71,554−100.0%	Sold out
Holocene Advisors, LP	0	$0	0.00%	−58,627−100.0%	Sold out
HRT Financial LP	0	$0	0.00%	−37,111−100.0%	Sold out
ING Groep NV	0	$0	0.00%	−31,520−100.0%	Sold out
ExodusPoint Capital Management, LP	0	$0	0.00%	−13,904−100.0%	Sold out
Moore Capital Management, LP	0	$0	0.00%	−9,150−100.0%	Sold out
Patton Fund Management, Inc.	0	$0	0.00%	−7,652−100.0%	Sold out
Geneva Partners, LLC	0	$0	0.00%	−6,502−100.0%	Sold out
LGT Group Foundation	0	$0	0.00%	−6,787−100.0%	Sold out
Pinnbrook Capital Management LP	0	$0	0.00%	−6,345−100.0%	Sold out
Marex Group plc	0	$0	0.00%	−5,900−100.0%	Sold out
Thornburg Investment Management Inc	0	$0	0.00%	−4,794−100.0%	Sold out
Azzad Asset Management Inc	0	$0	0.00%	−4,097−100.0%	Sold out
Next Century Growth Investors LLC	0	$0	0.00%	−3,075−100.0%	Sold out
Kingswood Wealth Advisors, LLC	0	$0	0.00%	−2,608−100.0%	Sold out
iA Global Asset Management Inc.	0	$0	0.00%	−2,532−100.0%	Sold out
Susquehanna Portfolio Strategies, LLC	0	$0	0.00%	−2,363−100.0%	Sold out
Crestline Management, LP	0	$0	0.00%	−2,251−100.0%	Sold out
Brevan Howard Capital Management LP	0	$0	0.00%	−2,178−100.0%	Sold out
Savant Capital, LLC	0	$0	0.00%	−2,134−100.0%	Sold out
Bayesian Capital Management, LP	0	$0	0.00%	−2,043−100.0%	Sold out
Veriti Management LLC	0	$0	0.00%	−1,916−100.0%	Sold out
Aquatic Capital Management LLC	0	$0	0.00%	−1,880−100.0%	Sold out
Pier 88 Investment Partners LLC	0	$0	0.00%	−1,850−100.0%	Sold out
JT Stratford LLC	0	$0	0.00%	−1,771−100.0%	Sold out
Donoghue Forlines LLC	0	$0	0.00%	−1,606−100.0%	Sold out
Investment Management Corp of Ontario	0	$0	0.00%	−1,579−100.0%	Sold out
Cinctive Capital Management LP	0	$0	0.00%	−1,497−100.0%	Sold out
Kentucky Retirement Systems Insurance Trust Fund	0	$0	0.00%	−1,443−100.0%	Sold out
AXS Investments LLC	0	$0	0.00%	−1,397−100.0%	Sold out
CenterBook Partners LP	0	$0	0.00%	−1,345−100.0%	Sold out