GI
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GAMMA Investing’s ACM Research ACMR Stock Holding History

GAMMA Investing’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 		$139K Buy
1,713
+273
+19% +$22.1K ﹤0.01% 1611
2026
Q2 		$183K Buy
1,440
+182
+14% +$12.9K 0.01% 1333
2026
Q1 		$49.5K Buy
1,258
+188
+18% +$9.98K ﹤0.01% 2188
2025
Q4 		$42.2K Buy
1,070
+299
+39% +$11.1K ﹤0.01% 2184
2025
Q3 		$30.2K Buy
771
+114
+17% +$3.38K ﹤0.01% 2303
2025
Q2 		$17K Sell
657
-161
-20% -$3.62K ﹤0.01% 2542
2025
Q1 		$19.1K Buy
818
+385
+89% +$8.79K ﹤0.01% 2409
2024
Q4 		$6.54K Buy
433
+58
+15% +$1.05K ﹤0.01% 2799
2024
Q3 		$7.61K Buy
375
+186
+98% +$3.57K ﹤0.01% 2566
2024
Q2 		$4.36K Buy
189
+49
+35% +$1.24K ﹤0.01% 2634
2024
Q1 		$4.08K Buy
140
+4
+3% +$92 ﹤0.01% 2495
2023
Q4 		$2.34K Buy
+136
New +$2.38K ﹤0.01% 2531

Other funds holding ACMR

CAM
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.35% 1-Year Est. Return
NAM
NorthCrest Asset Manangement Plymouth, Minnesota $4.24B AUM 32.82% 1-Year Est. Return
Wealth Enhancement Advisory Services
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
CA
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
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

GAMMA Investing's ACMR Position: Q3 2026 in Review

GAMMA Investing increased its ACM Research (ACMR) stake by 19% in Q3 2026, buying an estimated $22.1K and bringing the position to 1,713 shares worth $139K. The position accounts for ﹤0.01% of the portfolio, ranked #1611.

GAMMA Investing first reported a position in ACMR in Q4 2023 and has held it in 12 quarters since. The position peaked at $183K in Q2 2026. 17 funds tracked by Wall St. Rank hold ACMR as of Q3 2026.

  • GAMMA Investing held 1,713 shares of ACM Research worth $139K as of Q3 2026.
  • GAMMA Investing bought 273 ACM Research shares in Q3 2026, an estimated $22.1K.
  • ACM Research made up ﹤0.01% of GAMMA Investing's portfolio in Q3 2026, its #1611 holding.
  • GAMMA Investing first reported a position in ACM Research in Q4 2023 and has held it in 12 quarters since.
  • GAMMA Investing's ACM Research position peaked at $183K in Q2 2026.
  • 17 funds tracked by Wall St. Rank held ACM Research as of Q3 2026.

Based on GAMMA Investing's 13F filing for Q3 2026, filed 8 Oct 2026.