A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Acm Research, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 236,700 shares of ACMR stock, worth $4.39 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
236,700
Previous 114,500 106.72%
Holding current value
$4.39 Million
Previous $3.34 Million 63.61%
% of portfolio
0.0%
Previous 0.0%

Shares

20 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2024

Aug 14, 2024

BUY
$20.6 - $32.04 $8.38 Million - $13 Million
406,852 Added 145.4%
686,673 $15.8 Million
Q1 2024

May 15, 2024

BUY
$15.84 - $33.91 $2.88 Million - $6.17 Million
181,828 Added 185.55%
279,821 $8.15 Million
Q4 2023

Feb 14, 2024

SELL
$12.81 - $20.07 $673,780 - $1.06 Million
-52,598 Reduced 34.93%
97,993 $1.91 Million
Q3 2023

Nov 14, 2023

SELL
$11.97 - $19.63 $1.89 Million - $3.09 Million
-157,536 Reduced 51.13%
150,591 $2.73 Million
Q2 2023

Aug 14, 2023

SELL
$8.88 - $13.38 $4.91 Million - $7.4 Million
-552,802 Reduced 64.21%
308,127 $4.03 Million
Q1 2023

May 15, 2023

BUY
$9.48 - $14.18 $4.89 Million - $7.31 Million
515,526 Added 149.25%
860,929 $10.1 Million
Q4 2022

Feb 14, 2023

BUY
$5.96 - $13.4 $1.62 Million - $3.63 Million
271,166 Added 365.27%
345,403 $2.66 Million
Q3 2022

Nov 14, 2022

BUY
$11.74 - $19.62 $871,542 - $1.46 Million
74,237 New
74,237 $925,000
Q1 2022

May 16, 2022

BUY
$15.36 - $29.83 $2.2 Million - $4.26 Million
142,975 Added 142.98%
242,973 $5.03 Million
Q4 2021

Feb 14, 2022

BUY
$23.45 - $39.23 $1.86 Million - $3.11 Million
79,373 Added 384.84%
99,998 $2.84 Million
Q3 2021

Nov 15, 2021

SELL
$25.07 - $36.67 $1.09 Million - $1.59 Million
-43,452 Reduced 67.81%
20,625 $2.27 Million
Q2 2021

Aug 16, 2021

SELL
$21.41 - $35.58 $1.34 Million - $2.22 Million
-62,368 Reduced 49.32%
64,077 $2.18 Million
Q1 2021

May 17, 2021

BUY
$26.1 - $46.66 $2.85 Million - $5.09 Million
109,169 Added 631.91%
126,445 $10.2 Million
Q4 2020

Feb 16, 2021

SELL
$22.31 - $31.33 $150,614 - $211,508
-6,751 Reduced 28.1%
17,276 $1.4 Million
Q3 2020

Nov 16, 2020

BUY
$19.66 - $37.43 $58,173 - $110,755
2,959 Added 14.04%
24,027 $1.66 Million
Q2 2020

Aug 14, 2020

SELL
$9.07 - $21.9 $136,675 - $330,011
-15,069 Reduced 41.7%
21,068 $1.31 Million
Q1 2020

May 15, 2020

SELL
$5.75 - $16.18 $17,353 - $48,831
-3,018 Reduced 7.71%
36,137 $1.07 Million
Q4 2019

Feb 14, 2020

SELL
$4.2 - $6.54 $115,201 - $179,385
-27,429 Reduced 41.19%
39,155 $722,000
Q3 2019

Nov 14, 2019

BUY
$4.59 - $6.34 $121,511 - $167,838
26,473 Added 66.0%
66,584 $307,000
Q2 2019

Aug 14, 2019

BUY
$5.05 - $7.12 $202,560 - $285,590
40,111 New
40,111 $626,000

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 $1.01B
  • 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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