MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR)
CUSIP: 609839105
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 47,915,757
- Total 13F shares
- 46,597,013
- Share change
- -818,909
- Total reported value
- $42,879,888,431
- Put/Call ratio
- 103%
- Price per share
- $920.64
- Number of holders
- 971
- Value change
- -$553,016,851
- Number of buys
- 507
- Number of sells
- 389
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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Related Filing Research
- Latest 13F filings for newly reported positions.
- Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
- Latest 10-Q/10-K reports for financial context tied to this issuer.
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Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 609839105:
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 |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
12%
|
5,939,946
|
$4,344,357,705 | — | 30 Jun 2025 | |
| BlackRock, Inc. |
13F
|
Company |
11%
|
5,229,221
|
$3,824,548,048 | — | 30 Jun 2025 | |
| FMR LLC |
13F
|
Company |
7.1%
|
3,392,704
|
$2,481,355,832 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.4%
|
2,120,034
|
$1,553,828,423 | — | 30 Jun 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
4.4%
|
2,088,804
|
$1,527,711,000 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.8%
|
1,318,541
|
$962,038,507 | — | 30 Jun 2025 | |
| Invesco Ltd. |
13F
|
Company |
2.4%
|
1,166,059
|
$852,831,698 | — | 30 Jun 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
2.3%
|
1,088,297
|
$795,958,939 | — | 30 Jun 2025 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
2%
|
952,060
|
$696,318,000 | — | 30 Jun 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
1.9%
|
927,806
|
$678,579,000 | — | 30 Jun 2025 | |
| BROWN ADVISORY INC |
13F
|
Company |
1.8%
|
864,309
|
$632,161,933 | — | 30 Jun 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.8%
|
856,725
|
$626,592,220 | — | 30 Jun 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.5%
|
703,151
|
$514,270,578 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.4%
|
692,747
|
$506,661,101 | — | 30 Jun 2025 | |
| NORGES BANK |
13F
|
Company |
1.2%
|
598,887
|
$438,013,974 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.2%
|
565,019
|
$413,245,106 | — | 30 Jun 2025 | |
| Rafferty Asset Management, LLC |
13F
|
Company |
1.1%
|
529,124
|
$386,990,711 | — | 30 Jun 2025 | |
| FIL Ltd |
13F
|
Company |
1.1%
|
523,073
|
$382,565,131 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.1%
|
512,448
|
$374,794,639 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
1%
|
502,536
|
$367,544,780 | — | 30 Jun 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
1%
|
485,388
|
$355,003,075 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1%
|
482,057
|
$352,566,849 | — | 30 Jun 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.92%
|
438,599
|
$320,782,538 | — | 30 Jun 2025 | |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.76%
|
363,958
|
$266,192,208 | — | 30 Jun 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.73%
|
350,574
|
$256,402,814 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.72%
|
343,961
|
$251,566,196 | — | 30 Jun 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.7%
|
336,550
|
$246,145,689 | — | 30 Jun 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.67%
|
323,293
|
$236,450,033 | — | 30 Jun 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.66%
|
314,136
|
$229,752,788 | — | 30 Jun 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.6%
|
286,448
|
$209,502,372 | — | 30 Jun 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.58%
|
278,929
|
$204,002,783 | — | 30 Jun 2025 | |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. |
13F
|
Company |
0.57%
|
272,047
|
$198,969,735 | — | 30 Jun 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.56%
|
269,179
|
$196,872,328 | — | 30 Jun 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.48%
|
228,135
|
$166,853,375 | — | 30 Jun 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.46%
|
218,977
|
$160,166,413 | — | 30 Jun 2025 | |
| Artisan Partners Limited Partnership |
13F
|
Company |
0.43%
|
207,647
|
$151,868,863 | — | 30 Jun 2025 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
0.42%
|
203,136
|
$148,569,607 | — | 30 Jun 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.42%
|
199,487
|
$145,898,241 | — | 30 Jun 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.41%
|
195,134
|
$142,717,105 | — | 30 Jun 2025 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
0.41%
|
194,494
|
$142,249,374 | — | 30 Jun 2025 | |
| Ensign Peak Advisors, Inc |
13F
|
Company |
0.4%
|
192,791
|
$141,003,482 | — | 30 Jun 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.4%
|
190,402
|
$139,256,000 | — | 30 Jun 2025 | |
| Deutsche Girozentrale DekaBank |
13F
|
Individual |
0.4%
|
190,443
|
$138,027,000 | — | 30 Jun 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.38%
|
181,926
|
$133,061,573 | — | 30 Jun 2025 | |
| Impax Asset Management Group plc |
13F
|
Company |
0.36%
|
173,844
|
$126,206,201 | — | 30 Jun 2025 | |
| DF DENT & CO INC |
13F
|
Company |
0.36%
|
171,078
|
$125,123,225 | — | 30 Jun 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.35%
|
166,842
|
$124,625,982 | — | 30 Jun 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.35%
|
169,907
|
$124,266,313 | — | 30 Jun 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.35%
|
169,845
|
$124,222,635 | — | 30 Jun 2025 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
0.34%
|
165,165
|
$120,802,349 | — | 30 Jun 2025 |
Institutional Holders of MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR) as of Q3 2025
As of 30 Sep 2025,
MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR) was held by
971 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
46,597,013 shares.
The largest 10 holders included
VANGUARD GROUP INC, BlackRock, Inc., FMR LLC, STATE STREET CORP, PRICE T ROWE ASSOCIATES INC /MD/, GEODE CAPITAL MANAGEMENT, LLC, Invesco Ltd., FRANKLIN RESOURCES INC, JPMORGAN CHASE & CO, and T. Rowe Price Investment Management, Inc..
This page lists
971
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
896
Q3 2025 holders
971
Holder diff
75
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.