Position history for FACTORY MUTUAL INSURANCE CO's holdings in MONOLITHIC PWR SYS INC
FACTORY MUTUAL INSURANCE CO holds 39,972 shares of MPWR (MONOLITHIC PWR SYS INC), worth $43.7M as of 2026-Q1. The position was increased (+1.8% shares). MPWR represents 0.5% of FACTORY MUTUAL INSURANCE CO's portfolio.
Current Value
$43.7M
Current Shares
39,972
Total Value Change
+$38.1M
Total Shares Change
+33,116
Other major holders of MPWR: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Increased |
| 39,972 |
+1.8% |
| $43.7M |
| 0.5% |
| $1,074.37 |
35 |
| 2025-Q4 | Decreased | 39,272 | -1.8% | $35.6M | 0.4% | $922.35 | 0 |
| 2025-Q3 | Unchanged | 39,972 | 0.0% | $36.8M | 0.4% | $883.54 | 0 |
| 2025-Q2 | Unchanged | 39,972 | 0.0% | $29.2M | 0.3% | $731.94 | 0 |
| 2025-Q1 | Increased | 39,972 | +27.8% | $23.2M | 0.3% | $575.12 | 43 |
| 2024-Q4 | Increased | 31,272 | +132.1% | $18.5M | 0.2% | $597.44 | 55 |
| 2024-Q3 | Increased | 13,472 | +96.5% | $12.5M | 0.1% | $914.24 | 53 |
| 2024-Q2 | Unchanged | 6,856 | 0.0% | $5.6M | 0.1% | $812.13 | 0 |