Calamos Advisors
SIMO icon

Calamos Advisors’s Silicon Motion SIMO Stock Holding History

Calamos Advisors’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
2023
Q4 		– Sell
-50,000
Closed -$3.59M – 973
2023
Q3 		$3.59M Buy
+50,000
New +$2.84M 0.02% 564

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

Calamos Advisors's SIMO Position: Q2 2026 in Review

Calamos Advisors increased its Silicon Motion (SIMO) stake by 35% in Q2 2026, buying an estimated $1.93M and bringing the position to 32,260 shares worth $10.8M. The position accounts for 0.04% of the portfolio, ranked #396.

Calamos Advisors first reported a position in SIMO in Q2 2020 and has held it in 9 quarters since. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

  • Calamos Advisors held 32,260 shares of Silicon Motion worth $10.8M as of Q2 2026.
  • Calamos Advisors bought 8,337 Silicon Motion shares in Q2 2026, an estimated $1.93M.
  • Silicon Motion made up 0.04% of Calamos Advisors's portfolio in Q2 2026, its #396 holding.
  • Calamos Advisors first reported a position in Silicon Motion in Q2 2020 and has held it in 9 quarters since.
  • 385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.