Mariner
SIMO icon

Mariner’s Silicon Motion SIMO Stock Holding History

Mariner’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 		$485K Buy
4,328
+1,197
+38% +$145K ﹤0.01% 2511
2025
Q4 		$290K Sell
3,131
-15
-0.5% -$1.38K ﹤0.01% 2875
2025
Q3 		$298K Buy
+3,146
New +$250K ﹤0.01% 2812
2024
Q4 		– Sell
-4,319
Closed -$262K – 3497
2024
Q3 		$262K Sell
4,319
-170
-4% -$11.2K ﹤0.01% 2691
2024
Q2 		$364K Buy
4,489
+262
+6% +$20.5K ﹤0.01% 2305
2024
Q1 		$325K Buy
+4,227
New +$289K ﹤0.01% 2366

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

Mariner's SIMO Position: Q1 2026 in Review

Mariner increased its Silicon Motion (SIMO) stake by 38% in Q1 2026, buying an estimated $145K and bringing the position to 4,328 shares worth $485K. The position accounts for ﹤0.01% of the portfolio, ranked #2511.

Mariner first reported a position in SIMO in Q1 2024 and has held it in 6 quarters since. 273 funds tracked by Wall St. Rank hold SIMO as of Q1 2026.

  • Mariner held 4,328 shares of Silicon Motion worth $485K as of Q1 2026.
  • Mariner bought 1,197 Silicon Motion shares in Q1 2026, an estimated $145K.
  • Silicon Motion made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2511 holding.
  • Mariner first reported a position in Silicon Motion in Q1 2024 and has held it in 6 quarters since.
  • 273 funds tracked by Wall St. Rank held Silicon Motion as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.