| 4 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
| 2.5M |
| $3.46B |
| -0.5% |
| 5.098% |
| 0.16% |
| 5 | Invesco Ltd. | 2.3M | $3.24B | +127.4% | 4.771% | 0.26% |
| 6 | STATE STREET CORP | 2.3M | $3.16B | +4.3% | 4.645% | 0.05% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1.65B | -16.5% | 2.433% | 0.09% |
| 8 | FRANKLIN RESOURCES INC | 812K | $1.12B | -12.6% | 1.653% | 0.24% |
| 9 | GOLDMAN SACHS GROUP INC | 791K | $1.09B | +39.3% | 1.611% | 0.09% |
| 10 | NORGES BANK | 751K | $1.04B | — | 1.529% | 0.10% |
| 11 | VAN ECK ASSOCIATES CORP | 746K | $1.03B | +42.3% | 1.519% | 0.63% |
| 12 | MORGAN STANLEY | 728K | $1.01B | +10.9% | 1.482% | 0.05% |
| 13 | BANK OF AMERICA CORP /DE/ | 536K | $741.3M | +40.3% | 1.091% | 0.05% |
| 14 | ROYAL BANK OF CANADA | 487K | $673.5M | +2.9% | 0.992% | 0.10% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 487K | $673.3M | +82.6% | 0.991% | 0.05% |
| 16 | FIRST TRUST ADVISORS LP | 483K | $667.4M | -18.4% | 0.983% | 0.39% |
| 17 | NORTHERN TRUST CORP | 479K | $662.8M | -2.0% | 0.976% | 0.08% |
| 18 | BARCLAYS PLC | 474K | $655.4M | -14.7% | 0.965% | 0.13% |
| 19 | Rafferty Asset Management, LLC | 459K | $634.9M | +44.7% | 0.935% | 1.45% |
| 20 | UBS Group AG | 450K | $622.7M | -16.9% | 0.917% | 0.08% |
| 21 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 442K | $611.2M | -22.1% | 0.900% | 0.19% |
| 22 | JANE STREET GROUP, LLC | 421K | $582.5M | +486.2% | 0.858% | 0.05% |
| 23 | JPMORGAN CHASE & CO | 435K | $571.0M | -21.6% | 0.885% | 0.03% |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 389K | $537.7M | +3.3% | 0.792% | 0.07% |
| 25 | Legal & General Group Plc | 360K | $497.6M | -5.3% | 0.733% | 0.10% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MPWR — a direct measure of their conviction.
Institutions that fully closed their MPWR position in Q2 2026
| 98.10% |
| 0.83 pp |
| $23.98B |
| 5.9% |
| Q4 2024 | 832 | 2.2% | 98.93% | +5.05 pp | $25.48B | 35% |
| Q3 2024 | 851 | — | 93.88% | — | $39.25B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
198 institutions opened new positions in MPWR during Q2 2026, while 80 fully exited. 843 added to existing positions and 176 trimmed.
MPWR institutional ownership rose by 4.56 percentage points quarter-over-quarter, with a net change of +130 holders.
The top 10 institutions account for 53.0% of all reported 13F value in MPWR, and the top 25 account for 68.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Monolithic Power Systems, Inc. (MPWR) Institutional Ownership