A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Energy Recovery, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 14,200 shares of ERII stock, worth $244,807. This represents 0.0% of its overall portfolio holdings.

Number of Shares
14,200
Previous 11,800 20.34%
Holding current value
$244,807
Previous $186,000 1.08%
% of portfolio
0.0%
Previous 0.0%

Shares

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

Aug 14, 2024

BUY
$12.37 - $15.87 $2.26 Million - $2.9 Million
183,021 Added 1853.38%
192,896 $2.56 Million
Q1 2024

May 15, 2024

SELL
$14.04 - $18.88 $352,333 - $473,793
-25,095 Reduced 71.76%
9,875 $155,000
Q4 2023

Feb 14, 2024

BUY
$14.16 - $20.84 $73,872 - $108,722
5,217 Added 17.53%
34,970 $658,000
Q3 2023

Nov 14, 2023

BUY
$20.68 - $30.61 $555,361 - $822,031
26,855 Added 926.67%
29,753 $631,000
Q2 2023

Aug 14, 2023

BUY
$21.98 - $29.42 $45,982 - $61,546
2,092 Added 259.55%
2,898 $80,000
Q1 2023

May 15, 2023

SELL
$19.8 - $23.89 $119,889 - $144,653
-6,055 Reduced 88.25%
806 $18,000
Q4 2022

Feb 14, 2023

SELL
$17.65 - $26.17 $1.7 Million - $2.51 Million
-96,079 Reduced 93.33%
6,861 $140,000
Q3 2022

Nov 14, 2022

BUY
$19.04 - $26.02 $1.72 Million - $2.35 Million
90,261 Added 711.89%
102,940 $2.24 Million
Q2 2022

Aug 15, 2022

SELL
$17.16 - $21.57 $160,737 - $202,046
-9,367 Reduced 42.49%
12,679 $246,000
Q1 2022

May 16, 2022

BUY
$18.4 - $21.78 $106,535 - $126,106
5,790 Added 35.62%
22,046 $444,000
Q4 2021

Feb 14, 2022

SELL
$18.85 - $24.18 $106,615 - $136,762
-5,656 Reduced 25.81%
16,256 $349,000
Q3 2021

Nov 15, 2021

SELL
$18.59 - $23.03 $598,616 - $741,589
-32,201 Reduced 59.51%
21,912 $417,000
Q2 2021

Aug 16, 2021

SELL
$16.76 - $22.78 $3.26 Million - $4.42 Million
-194,220 Reduced 78.21%
54,113 $1.23 Million
Q1 2021

May 17, 2021

BUY
$13.58 - $19.42 $3.14 Million - $4.48 Million
230,908 Added 1325.15%
248,333 $4.55 Million
Q4 2020

Feb 16, 2021

SELL
$8.33 - $13.75 $190,482 - $314,421
-22,867 Reduced 56.75%
17,425 $238,000
Q3 2020

Nov 16, 2020

BUY
$6.85 - $8.96 $276,000 - $361,016
40,292 New
40,292 $330,000
Q2 2020

Aug 14, 2020

SELL
$6.94 - $9.05 $121,887 - $158,945
-17,563 Closed
0 $0
Q1 2020

May 15, 2020

SELL
$6.5 - $11.02 $156,780 - $265,802
-24,120 Reduced 57.87%
17,563 $131,000
Q2 2019

Aug 14, 2019

BUY
$8.79 - $11.02 $129,555 - $162,423
14,739 Added 54.7%
41,683 $434,000
Q1 2019

May 15, 2019

BUY
$6.77 - $9.1 $12,186 - $16,380
1,800 Added 7.16%
26,944 $0
Q3 2018

Nov 13, 2018

SELL
$7.68 - $9.79 $562,767 - $717,381
-73,277 Reduced 74.45%
25,144 $0
Q2 2018

Aug 10, 2018

SELL
$7.81 - $9.1 $504,729 - $588,096
-64,626 Reduced 39.64%
98,421 $0
Q1 2018

May 11, 2018

BUY
$6.63 - $9.09 $781,431 - $1.07 Million
117,863 Added 260.85%
163,047 $1.34 Million
Q4 2017

Feb 09, 2018

BUY
$7.61 - $11.23 $56,367 - $83,180
7,407 Added 19.61%
45,184 $395,000
Q3 2017

Nov 09, 2017

BUY
$6.18 - $7.9 $233,461 - $298,438
37,777
37,777 $298,000

Others Institutions Holding ERII

About Energy Recovery, Inc.


  • Ticker ERII
  • Exchange NASDAQ
  • Sector Industrials
  • Industry Pollution & Treatment Controls
  • Shares Outstandng 55,787,100
  • Market Cap $962M
  • Description
  • Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells various solutions for the seawater reverse osmosis desalination and industrial wastewater treatment industries worldwide. The company operates through Water and Emerging Technologies segments. It offers a suite of products, including energy recovery devices, ...
More about ERII
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