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 8 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, Q3 2023
Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 2023. 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
- 655
- +6 vs. Q2 2023
- Shares held
- 46.0M
- −638.8K (−1.4%) vs. Q2 2023
- Total value
- $21.2B
- −$3.93B (−15.6%) vs. Q2 2023
- New holders
- 70
- 265 more added
- Sold out
- 64
- 240 more reduced
3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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.
| 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, Q3 2023
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −385−100.0% | Sold out |
| Siemens Fonds Invest GmbH | 0 | $0 | 0.00% | −375−100.0% | Sold out |
| Symmetry Partners, LLC | 0 | $0 | 0.00% | −372−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| ICICI Prudential Asset Management Co Ltd | 0 | $0 | 0.00% | −92−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Bank Julius Baer & Co. Ltd, Zurich | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Resurgent Financial Advisors LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| Oakworth Capital, Inc. | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Bollard Group LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Private Ocean, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Disciplined Investments, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| SkyView Investment Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| 25 LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Trifecta Capital Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −540−100.0% | Sold out |
| Pictet Asset Management SA | – | – | – | – | Not filed |
| EA Series Trust | – | – | – | – | Not filed |
| Kistler-Tiffany Companies, LLC | – | – | – | – | Not filed |