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Showing 8 of 31 quarters

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

Rafferty Asset Management, LLC holds 459,278 shares of MPWR (MONOLITHIC PWR SYS INC), worth $634.9M as of 2026-Q2. The position was increased (+44.7% shares). MPWR represents 1.4% of Rafferty Asset Management, LLC's portfolio.

Current Value

$634.9M

Current Shares

459,278

Total Value Change

+$273.3M

Total Shares Change

+68,209

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
459,278
+44.7%
$634.9M1.4%$1,380.32
67
2026-Q1
Decreased
317,473
-19.9%
$347.1M1.4%$1,090.07
0
2025-Q4
Increased
396,464
+4.5%
$359.3M1.2%$901.84
51
2025-Q3
Decreased
379,318
-28.3%
$349.2M1.1%$914.50
0
2025-Q2
Increased
529,124
+36.1%
$387M1.3%$725.23
64
2025-Q1
Decreased
388,855
-7.2%
$225.5M1.0%$573.88
0
2024-Q4
Increased
419,195
+7.2%
$248M0.9%$583.90
47
2024-Q3
Decreased
391,069
-1.1%
$361.5M1.2%$910.43
0

Other major holders of MPWR: BNP PARIBAS FINANCIAL MARKETS, BlackRock, Inc., FMR LLC, VANGUARD GROUP INC

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