Position history for MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s holdings in MONOLITHIC PWR SYS INC
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds 567,769 shares of MPWR (MONOLITHIC PWR SYS INC), worth $620.7M as of 2026-Q1. The position was decreased (-0.5% shares). MPWR represents 0.2% of MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s portfolio.
Current Value
$620.7M
Current Shares
567,769
Total Value Change
-$152.8M
Total Shares Change
-373,607
Other major holders of MPWR: BlackRock, Inc., VANGUARD GROUP INC
Decreased |
| 567,769 |
-0.5% |
| $620.7M |
| 0.2% |
| $1,074.37 |
0 |
| 2025-Q4 | Increased | 570,719 | +2.5% | $517.3M | 0.2% | $922.35 | 38 |
| 2025-Q3 | Increased | 556,587 | +14.7% | $512.4M | 0.2% | $883.54 | 43 |
| 2025-Q2 | Increased | 485,388 | +6.1% | $355M | 0.1% | $731.94 | 39 |
| 2025-Q1 | Decreased | 457,551 | -6.3% | $265.4M | 0.1% | $575.12 | 0 |
| 2024-Q4 | Decreased | 488,300 | -28.0% | $288.9M | 0.1% | $597.44 | 0 |
| 2024-Q3 | Decreased | 678,093 | -28.0% | $626.9M | 0.2% | $914.24 | 0 |
| 2024-Q2 | Decreased | 941,376 | -4.4% | $773.5M | 0.2% | $812.13 | 0 |