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MPWR
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Position history for Rafferty Asset Management, LLC's holdings in MONOLITHIC PWR SYS INC

Rafferty Asset Management, LLC holds 317,473 shares of MPWR (MONOLITHIC PWR SYS INC), worth $347.1M as of 2026-Q1. The position was decreased (-19.9% shares). MPWR represents 1.4% of Rafferty Asset Management, LLC's portfolio.

Current Value

$347.1M

Current Shares

317,473

Total Value Change

+$22.3M

Total Shares Change

-77,813

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
317,473
-19.9%
$347.1M1.4%$1,074.37
0
2025-Q4
Increased
396,464
+4.5%
$359.3M1.2%$922.35
51
2025-Q3
Decreased
379,318
-28.3%
$349.2M1.1%$883.54
0
2025-Q2
Increased
529,124
+36.1%
$387M1.3%$731.94
64
2025-Q1
Decreased
388,855
-7.2%
$225.5M1.0%$575.12
0
2024-Q4
Increased
419,195
+7.2%
$248M0.9%$597.44
47
2024-Q3
Decreased
391,069
-1.1%
$361.5M1.2%$914.24
0
2024-Q2
Decreased
395,286
-7.1%
$324.8M1.2%$812.13
0

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

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