GI
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GAMCO Investors’s Silicon Motion SIMO Stock Holding History

GAMCO Investors’s Portfolio SIMO Stock Details SIMO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-18,560
Closed -$1.72M – 1062
2025
Q4 		$1.72M Sell
18,560
-4,029
-18% -$370K 0.02% 561
2025
Q3 		$2.14M Sell
22,589
-3,639
-14% -$289K 0.02% 508
2025
Q2 		$1.97M Buy
+26,228
New +$1.49M 0.02% 535
2024
Q3 		– Sell
-3,062
Closed -$248K – 889
2024
Q2 		$248K Sell
3,062
-1,200
-28% -$93.7K ﹤0.01% 796
2024
Q1 		$328K Sell
4,262
-750
-15% -$51.2K ﹤0.01% 745
2023
Q4 		$307K Buy
5,012
+950
+23% +$54.3K ﹤0.01% 758
2023
Q3 		$208K Buy
+4,062
New +$231K ﹤0.01% 798

Other funds holding SIMO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
HRCM
Hawk Ridge Capital Management Los Angeles, California $2.75B AUM 20.09% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $60.8B AUM 22.47% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $70.2B AUM 29.99% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.03B AUM 80.44% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return
ACM
Analog Century Management New York $2.09B AUM 186.85% 1-Year Est. Return