AllianceBernstein’s Silicon Motion SIMO Stock Holding History

AllianceBernstein’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	$21.7M	Buy	+193,382	New	+$44.8M	0.01%	883
2026 Q1	–	Sell	-6,236	Closed	-$578K	–	3281
2025 Q4	$578K	Buy	+6,236	New	+$572K	﹤0.01%	2586
2023 Q3	–	Sell	-173,516	Closed	-$12.5M	–	3200
2023 Q2	$12.5M	Sell	173,516 -45,321	-21%	-$2.9M	0.01%	1025
2023 Q1	$14.3M	Sell	218,837 -19,122	-8%	-$1.26M	0.01%	959
2022 Q4	$15.5M	Sell	237,959 -113,429	-32%	-$6.96M	0.01%	910
2022 Q3	$22.9M	Sell	351,388 -61,255	-15%	-$4.8M	0.01%	793
2022 Q2	$34.5M	Buy	+412,643	New	+$34.8M	0.02%	677
2021 Q2	–	Sell	-36,780	Closed	-$2.18M	–	3401
2021 Q1	$2.18M	Buy	+36,780	New	+$2.09M	﹤0.01%	2047
2018 Q4	–	Sell	-8,610	Closed	-$462K	–	3143
2018 Q3	$462K	Buy	8,610 +3,570	+71%	+$198K	﹤0.01%	2655
2018 Q2	$267K	Buy	+5,040	New	+$247K	﹤0.01%	2864
2017 Q1	–	Sell	-37,600	Closed	-$1.6M	–	3027
2016 Q4	$1.6M	Buy	37,600 +20,870	+125%	+$953K	﹤0.01%	1994
2016 Q3	$866K	Buy	+16,730	New	+$872K	﹤0.01%	2300

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

AllianceBernstein's SIMO Position: Q2 2026 in Review

AllianceBernstein opened a new position in Silicon Motion (SIMO) in Q2 2026: 193,382 shares worth $21.7M. The stake represents 0.01% of the portfolio and ranks #883 among its holdings. This is a return to the name: AllianceBernstein previously reported a position in SIMO as recently as Q4 2025.

AllianceBernstein first reported a position in SIMO in Q3 2016 and has held it in 12 quarters since. The position peaked at $34.5M in Q2 2022. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

AllianceBernstein held 193,382 shares of Silicon Motion worth $21.7M as of Q2 2026.
Silicon Motion was a new AllianceBernstein position in Q2 2026.
Silicon Motion made up 0.01% of AllianceBernstein's portfolio in Q2 2026, its #883 holding.
AllianceBernstein first reported a position in Silicon Motion in Q3 2016 and has held it in 12 quarters since.
AllianceBernstein's Silicon Motion position peaked at $34.5M in Q2 2022.
385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.