MPWR

Monolithic Power Systems
D

MPWR

Arincen80/100B

Who owns Monolithic Power Systems?

Institutions own 97.8% of Monolithic Power Systems's shares, through 1,291 funds, banks and other managers that report their holdings to the SEC; individual investors and others hold the rest. The largest on 30 June 2026 were BlackRock, Inc. (11.4%), FMR LLC (10.5%), Vanguard Capital Management LLC (6.4%).

Institutions own
97.8%
Institutional holders
1,291
The 10 largest hold
50.5%
Free float
96.5%
Holdings as of
30 Jun 2026

Who owns the shares

10 largest holders 50.5% Other institutions 47.3% Individuals and others 2.2%

Shares free to trade

Free float 47.07M shares ·96.5% Closely held 1.70M shares ·3.5%

Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.

The largest shareholders

#HolderSharesOf the companyValueChange last quarter (shares)
1BlackRock, Inc.5,589,92511.38%7.73B USD-482,542
2FMR LLC5,177,25810.54%7.16B USD+776,427
3Vanguard Capital Management LLC3,126,7566.37%4.32B USD+43,307
4Vanguard Portfolio Management LLC2,504,8585.10%3.46B USD-11,634
5Invesco Ltd.2,343,9304.77%3.24B USD+1,313,036
6State Street Corp2,282,1864.65%3.16B USD+93,732
7Geode Capital Management, LLC1,195,2812.43%1.65B USD-236,785
8Price T Rowe Associates Inc976,7981.99%1.35B USD-286,156
9Franklin Templeton Inc811,9741.65%1.12B USD-116,697
10Goldman Sachs Group Inc780,6501.59%1.08B USD+212,586

All institutions last quarter

Bought or added
855 · 217 new
Sold or cut
570 · 99 sold out
Net shares bought
+2.24M · 3.10B USD
Institutional ownership
93.3% → 97.8%

Biggest buyers last quarter

  • Invesco Ltd.+1,313,036
  • FMR LLC+776,427
  • Norges BankNew position
  • Sixth Street Partners Management Company, L.P.New position
  • Van Eck Associates Corp+221,666

Biggest sellers last quarter

  • BlackRock, Inc.-482,542
  • Price T Rowe Associates Inc-286,156
  • Geode Capital Management, LLC-236,785
  • Brown Advisory Inc-199,463
  • Wellington Management Group LLP-178,510

From the holders' 13F filings with the SEC for the quarter to 30 Jun 2026, filed up to 45 days after it; the buyers and sellers are among the 100 largest holders.

Common questions about Monolithic Power Systems's shareholders

Source: Financial Modeling PrepVerified against SEC filings