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
2026 Q2	$10.8M	Buy	32,260 +8,337	+35%	+$1.93M	0.04%	396
2026 Q1	$2.69M	Buy	+23,923	New	+$2.9M	0.01%	633
2025 Q1	–	Sell	-68,589	Closed	-$3.71M	–	972
2024 Q4	$3.71M	Buy	+68,589	New	+$3.84M	0.02%	543
2024 Q1	–	Sell	-29,528	Closed	-$1.81M	–	1021
2023 Q4	$1.81M	Buy	+29,528	New	+$1.69M	0.01%	613
2023 Q3	–	Sell	-42,135	Closed	-$2.4M	–	987
2023 Q2	$3.03M	Buy	42,135 +10,000	+31%	+$639K	0.02%	623
2023 Q1	$2.11M	Buy	32,135 +19,135	+147%	+$1.26M	0.01%	737
2022 Q4	$845K	Buy	+13,000	New	+$797K	﹤0.01%	886
2021 Q2	–	Sell	-92,071	Closed	-$5.47M	–	1004
2021 Q1	$5.47M	Buy	+92,071	New	+$5.24M	0.03%	503
2020 Q3	–	Sell	-35,019	Closed	-$1.71M	–	741
2020 Q2	$1.71M	Buy	+35,019	New	+$1.55M	0.01%	593

Other funds holding SIMO

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

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

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 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.