Latest Institutional Purchases of Acm Research, Inc. (ACMR)
This list provides information on the latest institutional transactions involving Acm Research, Inc. (ACMR) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
299+ 38.78% |
$9.1K - $13.1K
|
1.07K
$34K
|
|
| Q3 2025 | |||||||
|
Nov 06, 2025
Q3 2025
|
Lsv Asset Management
Chicago, IL |
BUY
|
- |
2.06M+ 462.89% |
$49.3M - $80.6M
|
2.5M
$79.5M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
736K+ 58.62% |
$17.6M - $28.8M
|
1.99M
$63.2M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
550K+ 12.8% |
$13.2M - $21.5M
|
4.85M
$154M
|
|
|
Nov 14, 2025
Q3 2025
|
Cederberg Capital LTD
London, X0 |
BUY
|
- |
497KNew |
$11.9M - $19.4M
|
497K
$15.8M
|
|
|
Nov 12, 2025
Q3 2025
|
Triata Capital LTD
Hong Kong, K3 |
BUY
|
- |
413K+ 25.97% |
$9.88M - $16.2M
|
2M
$63.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Portolan Capital Management, LLC
Boston, MA |
BUY
|
- |
406KNew |
$9.71M - $15.9M
|
406K
$12.9M
|
|
|
Nov 13, 2025
Q3 2025
|
My.Alpha Management Hk Advisors LTD
Hong Kong, K3 |
BUY
|
- |
360KNew |
$8.62M - $14.1M
|
360K
$11.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
325K+ 58.93% |
$7.78M - $12.7M
|
877K
$27.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Southeastern Asset Management Inc
Memphis, TN |
BUY
|
- |
300K+ 25.3% |
$7.17M - $11.7M
|
1.49M
$47.1M
|
|
|
Nov 04, 2025
Q3 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
269K+ 396.32% |
$6.44M - $10.5M
|
337K
$10.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
263K+ 710.61% |
$6.29M - $10.3M
|
300K
$9.52M
|
|
|
Nov 06, 2025
Q3 2025
|
Public Sector Pension Investment Board
Montreal, A8 |
BUY
|
- |
205KNew |
$4.91M - $8.03M
|
205K
$6.51M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
201K+ 51.92% |
$4.81M - $7.87M
|
589K
$18.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
194KNew |
$4.65M - $7.6M
|
194K
$6.17M
|
|
|
Nov 14, 2025
Q3 2025
|
Seldon Capital LP
San Francisco, CA |
BUY
|
- |
193KNew |
$4.62M - $7.56M
|
193K
$6.13M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
191K+ 93.59% |
$4.57M - $7.47M
|
395K
$12.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
144KNew |
$3.46M - $5.65M
|
144K
$4.58M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
- |
121K+ 9282.31% |
$2.9M - $4.74M
|
123K
$3.89M
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
118K+ 59.36% |
$2.82M - $4.61M
|
317K
$10M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
114KNew |
$2.72M - $4.44M
|
114K
$3.6M
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
107K+ 377.46% |
$2.57M - $4.2M
|
136K
$4.31M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
CALL |
100KNew |
$2.39M - $3.91M
|
100K
$3.17M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
95.6K+ 29.1% |
$2.29M - $3.74M
|
424K
$13.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
CALL |
95.1KNew |
$2.27M - $3.72M
|
95.1K
$3.02M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
85.5K+ 6.9% |
$2.04M - $3.34M
|
1.32M
$42M
|
|
|
Oct 10, 2025
Q3 2025
|
Congress Asset Management CO
|
BUY
|
- |
84.7K+ 42.98% |
$2.03M - $3.32M
|
282K
$8.95M
|
|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
80.2K+ 137.96% |
$1.92M - $3.14M
|
138K
$4.39M
|
|
|
Nov 14, 2025
Q3 2025
|
Wexford Capital LP
Greenwich, CT |
BUY
|
- |
79.5K+ 74.69% |
$1.9M - $3.11M
|
186K
$5.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Toroso Investments, LLC
Massapequa, NY |
BUY
|
CALL |
75.9KNew |
$1.82M - $2.97M
|
75.9K
$2.41M
|
|
|
Nov 12, 2025
Q3 2025
|
Victory Capital Management Inc
|
BUY
|
- |
71.2K+ 461.49% |
$1.7M - $2.79M
|
86.7K
$2.75M
|
|
|
Nov 14, 2025
Q3 2025
|
Discovery Capital Management, LLC
South Norwalk, CT |
BUY
|
- |
66.6KNew |
$1.59M - $2.61M
|
66.6K
$2.11M
|
|
|
Nov 06, 2025
Q3 2025
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
66.3K+ 81.42% |
$1.59M - $2.6M
|
148K
$4.69M
|
|
|
Nov 13, 2025
Q3 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
PUT |
61.7K+ 40.33% |
$1.48M - $2.41M
|
215K
$6.81M
|
|
|
Nov 12, 2025
Q3 2025
|
R Pg Family Wealth Advisory, LLC
Burlington, MA |
BUY
|
- |
61.2K+ 64.19% |
$1.47M - $2.4M
|
157K
$4.97M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
52.7KNew |
$1.26M - $2.06M
|
52.7K
$1.67M
|
|
|
Nov 03, 2025
Q3 2025
|
Hussman Strategic Advisors, Inc.
Ellicott City, MD |
BUY
|
- |
52.5KNew |
$1.26M - $2.05M
|
52.5K
$1.67M
|
|
|
Oct 28, 2025
Q3 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
51.8KNew |
$1.24M - $2.03M
|
51.8K
$1.64M
|
|
|
Nov 14, 2025
Q3 2025
|
Toroso Investments, LLC
Massapequa, NY |
BUY
|
- |
50.4K+ 198.01% |
$1.21M - $1.97M
|
75.9K
$2.41M
|
|
|
Nov 13, 2025
Q3 2025
|
Dodge & Cox
San Francisco, CA |
BUY
|
- |
41.8K+ 51.55% |
$1M - $1.64M
|
123K
$3.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
PUT |
39.8K+ 337.29% |
$952K - $1.56M
|
51.6K
$1.64M
|
|
|
Nov 14, 2025
Q3 2025
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
- |
39.7K+ 25.52% |
$949K - $1.55M
|
195K
$6.19M
|
|
|
Nov 17, 2025
Q3 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
BUY
|
- |
39.3K+ 679.44% |
$939K - $1.54M
|
45K
$1.43M
|
|
|
Nov 04, 2025
Q3 2025
|
Thrivent Financial For Lutherans
Minneapolis, MN |
BUY
|
- |
38KNew |
$909K - $1.49M
|
38K
$1.21M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
PUT |
36.8KNew |
$880K - $1.44M
|
36.8K
$1.17M
|
|
|
Nov 14, 2025
Q3 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
35.4KNew |
$847K - $1.39M
|
35.4K
$1.12M
|
|
|
Nov 14, 2025
Q3 2025
|
Broad Bay Capital Management, LP
New York, NY |
BUY
|
- |
33.8K+ 3.45% |
$808K - $1.32M
|
1.01M
$32.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Thompson Siegel & Walmsley LLC
|
BUY
|
- |
31.7K+ 40.64% |
$758K - $1.24M
|
110K
$3.48M
|
|
|
Oct 15, 2025
Q3 2025
|
Inspire Investing, LLC
Meridian, ID |
BUY
|
- |
29.5KNew |
$706K - $1.15M
|
29.5K
$936K
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
29.4K+ 31.61% |
$703K - $1.15M
|
122K
$3.88M
|
|