Skip to main content
Livermore
Livermore
ZHEN

Monolithic Power Systems, Inc.

MPWR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001280452

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.

Q2 2026 vs. Q1 2026

How the institutions holding Monolithic Power Systems, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of MPWR: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1,124161,250+142
Shares47.3M48.3K47.6M+386.8K (+0.8%)
Value$51.6B$52.8M$65.6B+$14.1B (+27.4%)

16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (220)

Institutions that held Monolithic Power Systems, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Showing the largest 100 of 220 by value.

Institutions new to MPWR in Q2 2026
InstitutionSharesValue% of portfolio
Norges Bank751,399$1.04B0.10%
Millennium Management LLC136,835$189.2M0.13%
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners85,103$117.6M0.34%
HRT Financial LP77,349$106.9M0.20%
Qube Research & Technologies Ltd64,548$89.2M0.10%
Renaissance Technologies LLC63,066$87.2M0.12%
Worldquant Millennium Advisors LLC47,141$65.2M0.22%
Quadrature Capital Ltd44,969$62.2M0.53%
LMR Partners LLP35,757$49.4M0.36%
Voloridge Investment Management, LLC29,923$41.4M0.18%
Capital Impact Advisors, LLC27,772$38.4M2.15%
Nykredit A/S20,935$28.9M0.11%
Flputnam Investment Management Co20,409$28.2M0.34%
Scge Management, L.P.18,300$25.3M0.43%
Hood River Capital Management LLC11,027$15.2M0.11%
Varma Mutual Pension Insurance Co9,200$12.7M0.07%
Jupiter Topco LLC7,056$9.75M0.00%
Susquehanna Portfolio Strategies, LLC6,745$9.32M0.15%
Moore Capital Management, LP6,250$8.64M0.20%
XTX Topco Ltd5,954$8.23M0.11%
Counterpoint Mutual Funds LLC5,491$7.59M0.75%
Motley Fool Asset Management LLC3,957$5.47M0.21%
Twinbeech Capital LP3,934$5.44M0.98%
Genus Capital Management Inc.3,750$5.18M0.51%
Laurion Capital Management LP3,579$4.95M0.36%
BNP Paribas3,409$4.71M0.13%
Itau Unibanco Holding S.A.3,200$4.42M0.09%
ExodusPoint Capital Management, LP3,198$4.42M0.04%
Arrowstreet Capital, Limited Partnership3,130$4.33M0.00%
Snider Financial Group2,932$4.05M1.03%
Kentucky Retirement Systems2,922$4.04M0.10%
Clear Street Group Inc.2,623$3.63M0.01%
Intech Investment Management LLC2,422$3.35M0.03%
Armistice Capital, LLC2,186$3.02M0.08%
Jump Financial, LLC2,132$2.95M0.03%
Caitong International Asset Management Co., Ltd2,101$2.90M0.40%
Hudson Bay Capital Management LP1,980$2.74M0.01%
Qsemble Capital Management, LP1,709$2.36M0.30%
Liberty Capital Management, Inc.1,680$2.32M0.40%
Aster Capital Management (DIFC) Ltd1,502$2.08M0.44%
Quantitative Investment Management, LLC1,421$1.96M0.21%
Trexquant Investment LP1,293$1.79M0.01%
Boothbay Fund Management, LLC1,229$1.70M0.03%
Ieq Capital, LLC1,203$1.66M0.01%
IPG Investment Advisors LLC1,197$1.65M0.24%
Ossiam1,134$1.57M0.02%
Global Retirement Partners, LLC1,022$1.41M0.02%
First Commonwealth Financial Corp857$1.19M0.17%
SummitTX Capital, L.P.795$1.10M0.03%
Jain Global LLC770$1.06M0.01%
Howard Capital Management Inc.741$1.02M0.01%
Diversify Advisory Services, LLC697$933.0K0.02%
Whetstone Capital Advisors, LLC595$822.5K0.22%
Picton Mahoney Asset Management594$821.1K0.01%
Maverick Capital LtdSuperinvestorMaverick Capital593$819.7K0.01%
Two Sigma Securities, LLC569$786.6K0.07%
Campbell & CO Investment Adviser LLC544$752.0K0.04%
GAM Holding AG543$750.6K0.06%
CTC Alternative Strategies, Ltd.530$732.7K1.06%
Oxford Asset Management LLP522$721.6K0.35%
Blackstone Group Inc.516$713.3K0.00%
Wedbush Fund Advisers, LLC473$653.9K0.06%
Flow Traders U.S. LLC464$641.0K0.03%
Kesler, Norman & Wride, LLC442$611.0K0.10%
Interchange Capital Partners, LLC440$608.4K0.11%
Caxton Associates LLP400$552.9K0.01%
Bridgefront Capital, LLC388$536.4K0.14%
Legacy Capital Wealth Partners, LLC386$533.6K0.10%
Gsa Capital Partners LLP385$532.0K0.03%
Sumitomo Life Insurance Co375$518.4K0.01%
Himension Fund369$510.1K0.03%
Turner Financial Group, Inc.366$505.8K0.50%
Unique Wealth Strategies, LLC366$505.5K0.18%
Pinebridge Investments LLC364$503.2K0.00%
Quantessence Capital LLC350$483.8K1.42%
Chilton Investment Co LLC334$461.7K0.01%
Stevens Capital Management LP333$460.0K0.11%
Science & Technology Partners, L.P.332$458.9K0.08%
Mission Wealth Management, LP328$453.3K0.01%
Opal Capital LLC306$423.0K0.08%
Wealthspire Advisors, LLC304$420.4K0.00%
Ground Swell Capital, LLC286$395.4K0.43%
Axxion S.A.283$391.2K0.03%
Asahi Life Asset Management Co., Ltd.282$389.8K0.22%
Teza Capital Management LLC279$385.7K0.74%
Aristides Capital LLC278$384.3K0.10%
Ritholtz Wealth Management276$381.8K0.01%
Elyxium Wealth, LLC264$365.0K0.04%
SeaCrest Wealth Management, LLC259$358.0K0.04%
Third View Private Wealth, LLC257$355.3K0.04%
Pinnacle Associates Ltd248$342.8K0.00%
Daymark Wealth Partners, LLC244$337.6K0.01%
Tranquility Partners, LLC236$326.2K0.11%
Readystate Asset Management LP236$326.2K0.01%
Howe & Rusling Inc235$324.3K0.02%
Centaurus Financial, Inc.233$322.0K0.01%
Proficio Capital Partners LLC230$318.1K0.01%
GTS Securities LLC224$309.6K0.01%
Sentinus, LLC223$308.3K0.02%
Pinnacle Wealth Management Advisory Group, LLC222$306.9K0.02%

Sold out (78)

Institutions that held Monolithic Power Systems, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of MPWR in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
T. Rowe Price Investment Management, Inc.721,622$789.0M
Anther Capital Ltd233,288$255.1M
Sora Investors LLC24,585$26.9M
Ceredex Value Advisors LLC17,275$18.9M
Night Squared LP14,592$16.0M
1832 Asset Management L.P.13,400$14.7M
Silvant Capital Management LLC13,106$14.3M
Indivisible Partners4,378$4.79M
NFJ Investment Group, LLC4,375$4.78M
Connective Capital Management, LLC4,105$4.49M
Pinkerton Retirement Specialists, LLC3,982$3.61M
Havemeyer Place LP2,953$3.23M
Westerkirk Capital Inc.2,424$2.65M
Holocene Advisors, LP2,303$2.52M
Jacobs Levy Equity Management, Inc1,839$2.01M
BLI - Banque de Luxembourg Investments2,200$2.00M
Winton Group Ltd1,541$1.68M
Bellwether Advisors, LLC1,425$1.56M
Kovack Advisors, Inc.1,422$1.56M
Ninepoint Partners LP1,099$1.20M
Virtu Financial LLC997$1.09M
Banco Santander, S.A.892$975.3K
Lighthouse Investment Partners, LLC838$916.2K
Belpointe Asset Management LLC820$896.5K
Fortis Capital Advisors, LLC820$896.5K
WESPAC Advisors, LLC757$827.7K
JT Stratford LLC693$757.7K
B&L Asset Management LLC626$684.4K
MOKAN Wealth Management Inc.542$599.7K
Capula Management Ltd502$548.9K
GLR Partners, LLC410$448.3K
Calamos Wealth Management LLC397$434.1K
OneAscent Investment Solutions LLC359$392.5K
Ethos Financial Group, LLC353$386.7K
Aigen Investment Management, LP320$349.9K
Board of the Pension Protection Fund280$306.1K
Concentric Capital Strategies, LP274$299.6K
Tuttle Tactical Management272$297.4K
Gallacher Capital Management LLC265$289.7K
Maridea Wealth Management LLC248$270.9K
TABR Capital Management, LLC246$269.0K
Beese Fulmer Investment Management, Inc.234$255.8K
New Wave Wealth Advisors LLC230$251.9K
Woodward Diversified Capital, LLC159$233.5K
Wedbush Securities Inc194$212.0K
CFS Investment Advisory Services, LLC137$201.2K
Quadrant Private Wealth Management, LLC183$200.5K
Timothy G. Youngquist 2020 Irrevocable Trust71$77.6K
Root Financial Partners, LLC60$65.6K
Opal Wealth Advisors, LLC55$60.1K
Legacy Wealth Managment, LLC46$50.3K
Capital & Planning, LLC40$43.7K
Twin Peaks Wealth Advisors, LLC30$32.8K
Innovative Asset Advisors Group, LLC21$23.0K
Center for Financial Planning, Inc.19$20.8K
Portus Wealth Advisors, LLC18$19.7K
Swiss Re Ltd17$18.6K
Intentional Wealth Strategies, LLC15$16.4K
Sound Income Strategies, LLC14$15.7K
Atwood & Palmer Inc14$15.3K
RMG Wealth Management LLC7$11.6K
Scarborough Advisors, LLC6$6.58K
RWM Asset Management, LLC6$6.56K
Imprint Wealth LLC5$5.47K
Bruce G. Allen Investments, LLC5$5.47K
Bayban5$5.47K
Vermillion Wealth Management, Inc.4$4.37K
State of Wyoming4$4.37K
Raleigh Capital Management Inc.4$4.37K
Clayton Financial Group LLC3$3.28K
Whipplewood Advisors, LLC3$3.28K
Aspect Partners, LLC2$2.19K
Holos Integrated Wealth LLC1$1.19K
IMA Wealth, Inc.1$1.09K
Cassaday & Co Wealth Management LLC1$1.09K
Lloyd Advisory Services, LLC.1$1.09K
Kingdom Financial Group LLC.1$1.09K
Strategic Wealth Partners, Ltd.0$440

Not filed for Q2 2026 yet (16)

Institutions that held Monolithic Power Systems, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MPWR in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Arcadia Investment Management Corp19,901$21.8M
Vantage Investment Partners, LLC8,715$9.53M
Janus Henderson Group PLC7,374$8.06M
Skopos Labs, Inc.3,369$3.68M
Deeter Investments LLP2,500$2.73M
CWM, LLC1,970$2.15M
U.S. Capital Wealth Advisors, LLC1,207$1.32M
Gibbs Wealth Management1,058$1.16M
Fortress Financial Solutions, LLC709$774.8K
First Affirmative Financial Network346$378.8K
Journey Strategic Wealth LLC340$371.7K
Millington Securities, LLC293$320.7K
DGS Capital Management, LLC204$223.0K
GM Advisory Group, Inc.203$222.1K
Evelyn Partners Asset Management Ltd84$91.8K
Sunbelt Securities, Inc.40$43.7K