Congress Asset Management’s ACM Research ACMR Stock Holding History

Congress Asset Management’s Portfolio ACMR Stock Details ACMR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$22.4M	Buy	277,150 +53,295	+24%	+$4.32M	0.15%	147
2026 Q2	$28.4M	Sell	223,855 -116,008	-34%	-$8.2M	0.17%	133
2026 Q1	$13.4M	Buy	339,863 +50,414	+17%	+$2.68M	0.1%	184
2025 Q4	$11.4M	Buy	289,449 +7,526	+3%	+$280K	0.08%	187
2025 Q3	$11M	Buy	281,923 +84,747	+43%	+$2.52M	0.07%	190
2025 Q2	$5.11M	Buy	+197,176	New	+$4.43M	0.04%	230

Other funds holding ACMR

NAM

NorthCrest Asset Manangement Plymouth, Minnesota $4.24B AUM 32.82% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

FIC

FCG Investment Company Germantown, Tennessee $304M AUM

VCM

Violich Capital Management San Francisco, California $927M AUM 28.93% 1-Year Est. Return

CoreCap Advisors Southfield, Michigan $3.48B AUM 21.43% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return

GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return

BONH

Bank of New Hampshire Laconia, New Hampshire $463M AUM 23.57% 1-Year Est. Return

HIA

Harbor Investment Advisory Lutherville, Maryland $1.47B AUM 24.2% 1-Year Est. Return

BWM

Bullock Wealth Management Bloomington, Indiana $241M AUM 23.31% 1-Year Est. Return

Congress Asset Management's ACMR Position: Q3 2026 in Review

Congress Asset Management increased its ACM Research (ACMR) stake by 24% in Q3 2026, buying an estimated $4.32M and bringing the position to 277,150 shares worth $22.4M. The position accounts for 0.15% of the portfolio, ranked #147.

Congress Asset Management first reported a position in ACMR in Q2 2025 and has held it in 6 quarters since. The position peaked at $28.4M in Q2 2026. 17 funds tracked by Wall St. Rank hold ACMR as of Q3 2026.

Congress Asset Management held 277,150 shares of ACM Research worth $22.4M as of Q3 2026.
Congress Asset Management bought 53,295 ACM Research shares in Q3 2026, an estimated $4.32M.
ACM Research made up 0.15% of Congress Asset Management's portfolio in Q3 2026, its #147 holding.
Congress Asset Management first reported a position in ACM Research in Q2 2025 and has held it in 6 quarters since.
Congress Asset Management's ACM Research position peaked at $28.4M in Q2 2026.
17 funds tracked by Wall St. Rank held ACM Research as of Q3 2026.

Based on Congress Asset Management's 13F filing for Q3 2026, filed 6 Oct 2026.