UBS Group
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UBS Group’s Silicon Motion SIMO Stock Holding History

UBS Group’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
2024
Q1 		– Sell
-136,200
Closed -$8.34M – 9954
2023
Q4 		$8.34M Sell
136,200
-32,500
-19% -$1.86M ﹤0.01% 2258
2023
Q3 		$8.65M Buy
+168,700
New +$9.6M ﹤0.01% 2096
2023
Q1 		– Sell
-5,000
Closed -$325K – 10296
2022
Q4 		$325K Buy
+5,000
New +$307K ﹤0.01% 5055
2015
Q1 		– Sell
-4,400
Closed -$104K – 9323
2014
Q4 		$104K Buy
+4,400
New +$106K ﹤0.01% 5668

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

UBS Group's SIMO Position: Q2 2026 in Review

UBS Group reduced its Silicon Motion (SIMO) stake by 54% in Q2 2026, selling an estimated $49M and leaving 180,420 shares worth $60.1M. The position accounts for 0.01% of the portfolio, ranked #1559.

UBS Group first reported a position in SIMO in Q4 2014 and has held it in 47 quarters since. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

  • UBS Group held 180,420 shares of Silicon Motion worth $60.1M as of Q2 2026.
  • UBS Group sold 211,506 Silicon Motion shares in Q2 2026, an estimated $49M.
  • Silicon Motion made up 0.01% of UBS Group's portfolio in Q2 2026, its #1559 holding.
  • UBS Group first reported a position in Silicon Motion in Q4 2014 and has held it in 47 quarters since.
  • 385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

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