RhumbLine Advisers
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RhumbLine Advisers’s Silicon Motion SIMO Stock Holding History

RhumbLine Advisers’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 		$497K Buy
4,429
+432
+11% +$52.4K ﹤0.01% 2615
2025
Q4 		$371K Buy
3,997
+837
+26% +$76.8K ﹤0.01% 2848
2025
Q3 		$300K Sell
3,160
-358
-10% -$28.4K ﹤0.01% 2997
2025
Q2 		$264K Sell
3,518
-1,105
-24% -$62.8K ﹤0.01% 3072
2025
Q1 		$234K Sell
4,623
-1,045
-18% -$56.5K ﹤0.01% 3025
2024
Q4 		$306K Buy
5,668
+453
+9% +$25.4K ﹤0.01% 2975
2024
Q3 		$317K Buy
5,215
+392
+8% +$25.8K ﹤0.01% 2994
2024
Q2 		$391K Sell
4,823
-2,137
-31% -$167K ﹤0.01% 2841
2024
Q1 		$535K Sell
6,960
-66
-0.9% -$4.51K ﹤0.01% 2632
2023
Q4 		$430K Buy
7,026
+736
+12% +$42.1K ﹤0.01% 2753
2023
Q3 		$322K Sell
6,290
-1,690
-21% -$96.1K ﹤0.01% 2893
2023
Q2 		$573K Buy
+7,980
New +$510K ﹤0.01% 2601

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

RhumbLine Advisers's SIMO Position: Q1 2026 in Review

RhumbLine Advisers increased its Silicon Motion (SIMO) stake by 11% in Q1 2026, buying an estimated $52.4K and bringing the position to 4,429 shares worth $497K. The position accounts for ﹤0.01% of the portfolio, ranked #2615.

RhumbLine Advisers first reported a position in SIMO in Q2 2023 and has held it in 12 quarters since. The position peaked at $573K in Q2 2023. 273 funds tracked by Wall St. Rank hold SIMO as of Q1 2026.

  • RhumbLine Advisers held 4,429 shares of Silicon Motion worth $497K as of Q1 2026.
  • RhumbLine Advisers bought 432 Silicon Motion shares in Q1 2026, an estimated $52.4K.
  • Silicon Motion made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2615 holding.
  • RhumbLine Advisers first reported a position in Silicon Motion in Q2 2023 and has held it in 12 quarters since.
  • RhumbLine Advisers's Silicon Motion position peaked at $573K in Q2 2023.
  • 273 funds tracked by Wall St. Rank held Silicon Motion as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.