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
Q2 		$7.47M Buy
22,421
+18,093
+418% +$4.19M 0.01% 864
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 $2.3T AUM 54.33% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Alkeon Capital Management
Alkeon Capital Management New York $74.1B AUM 71.18% 1-Year Est. Return
HRCM
Hawk Ridge Capital Management Los Angeles, California $3.12B AUM 53.42% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.2B AUM 137.35% 1-Year Est. Return

Mariner's SIMO Position: Q2 2026 in Review

Mariner increased its Silicon Motion (SIMO) stake by 418% in Q2 2026, buying an estimated $4.19M and bringing the position to 22,421 shares worth $7.47M. The position accounts for 0.01% of the portfolio, ranked #864.

Mariner first reported a position in SIMO in Q1 2024 and has held it in 7 quarters since. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

  • Mariner held 22,421 shares of Silicon Motion worth $7.47M as of Q2 2026.
  • Mariner bought 18,093 Silicon Motion shares in Q2 2026, an estimated $4.19M.
  • Silicon Motion made up 0.01% of Mariner's portfolio in Q2 2026, its #864 holding.
  • Mariner first reported a position in Silicon Motion in Q1 2024 and has held it in 7 quarters since.
  • 385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.