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MPWR
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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

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
39,972
+1.8%
$43.7M0.5%$1,074.37
35
2025-Q4
Decreased
39,272
-1.8%
$35.6M0.4%$922.35
0
2025-Q3
Unchanged
39,972
0.0%
$36.8M0.4%$883.54
0
2025-Q2
Unchanged
39,972
0.0%
$29.2M0.3%$731.94
0
2025-Q1
Increased
39,972
+27.8%
$23.2M0.3%$575.12
43
2024-Q4
Increased
31,272
+132.1%
$18.5M0.2%$597.44
55
2024-Q3
Increased
13,472
+96.5%
$12.5M0.1%$914.24
53
2024-Q2
Unchanged
6,856
0.0%
$5.6M0.1%$812.13
0

Other major holders of MPWR: BlackRock, Inc., VANGUARD GROUP INC

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