A detailed history of Voloridge Investment Management, LLC transactions in Acm Research, Inc. stock. As of the latest transaction made, Voloridge Investment Management, LLC holds 841,095 shares of ACMR stock, worth $19.4 Million. This represents 0.09% of its overall portfolio holdings.

Number of Shares
841,095
Previous 665,214 26.44%
Holding current value
$19.4 Million
Previous $13 Million 88.56%
% of portfolio
0.09%
Previous 0.05%

Shares

15 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024

BUY
$15.84 - $33.91 $2.79 Million - $5.96 Million
175,881 Added 26.44%
841,095 $24.5 Million
Q4 2023

Feb 14, 2024

SELL
$12.81 - $20.07 $221,215 - $346,588
-17,269 Reduced 2.53%
665,214 $13 Million
Q3 2023

Nov 14, 2023

BUY
$11.97 - $19.63 $6.08 Million - $9.97 Million
508,118 Added 291.41%
682,483 $12.4 Million
Q2 2023

Aug 14, 2023

SELL
$8.88 - $13.38 $998,440 - $1.5 Million
-112,437 Reduced 39.2%
174,365 $2.28 Million
Q1 2023

May 15, 2023

SELL
$9.48 - $14.18 $969,216 - $1.45 Million
-102,238 Reduced 26.28%
286,802 $3.36 Million
Q4 2022

Feb 14, 2023

BUY
$5.96 - $13.4 $1.38 Million - $3.1 Million
231,640 Added 147.17%
389,040 $3 Million
Q3 2022

Nov 14, 2022

SELL
$11.74 - $19.62 $509,022 - $850,683
-43,358 Reduced 21.6%
157,400 $1.96 Million
Q2 2022

Aug 15, 2022

BUY
$11.63 - $22.07 $2.33 Million - $4.43 Million
200,758 New
200,758 $3.38 Million
Q4 2021

Feb 14, 2022

SELL
$23.45 - $39.23 $197,355 - $330,159
-8,416 Closed
0 $0
Q3 2021

Nov 15, 2021

BUY
$25.07 - $36.67 $210,989 - $308,614
8,416 New
8,416 $926,000
Q1 2021

May 17, 2021

SELL
$26.1 - $46.66 $2.12 Million - $3.78 Million
-81,059 Closed
0 $0
Q4 2020

Feb 16, 2021

SELL
$22.31 - $31.33 $107,311 - $150,697
-4,810 Reduced 5.6%
81,059 $6.59 Million
Q3 2020

Nov 16, 2020

BUY
$19.66 - $37.43 $1.47 Million - $2.81 Million
74,971 Added 687.93%
85,869 $5.93 Million
Q2 2020

Aug 14, 2020

BUY
$9.07 - $21.9 $426 - $1,029
47 Added 0.43%
10,898 $680,000
Q1 2020

May 15, 2020

BUY
$5.75 - $16.18 $62,393 - $175,569
10,851 New
10,851 $321,000

Others Institutions Holding ACMR

About ACM Research, Inc.


  • Ticker ACMR
  • Exchange NASDAQ
  • Sector Technology
  • Industry Semiconductor Equipment & Materials
  • Shares Outstandng 54,181,200
  • Market Cap $1.25B
  • Description
  • ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to...
More about ACMR
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