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Energy Recovery Inc (ERII)Ownership Data

Short Interest History (%)

This is the historical short interest of Energy Recovery Inc, as measured by the Short Percentage Of Float.

Date Short Interest
February 13, 201518.42
January 30, 201518.79
January 15, 201517.69
December 31, 201417.98
December 15, 201418.43
November 28, 201418.1
November 14, 201417.85
October 31, 201417.55
October 15, 201417.85
September 30, 201418.65
September 15, 201419.49
August 29, 201418.54
August 15, 201418.44
July 31, 201419.17
July 15, 201419.69
June 30, 201421.27
June 13, 201422.16
May 30, 201422.33
May 15, 201422.47
April 30, 201420.98
April 15, 201417.13
March 31, 201416.19
March 14, 201414.73
February 28, 201410.77
February 14, 201410.77
January 31, 20149.11
January 15, 20149.55
December 31, 20139.47
December 13, 20139.54
November 29, 20138.92
November 15, 20138.68
October 31, 20139.24
October 15, 20139.42
September 30, 20138.33
September 13, 20138.28
August 30, 20137.42
August 15, 20137.49
July 31, 20137.55
July 15, 20137.45
June 28, 20137.96
June 14, 20137.28
May 31, 20136.96
May 15, 20137.22
April 30, 20137.51
April 15, 20135.48
March 28, 20136.68
March 15, 20136.7
February 28, 20135.71
February 15, 20135.65
January 31, 20135.92
January 15, 20135.83
December 31, 20126.11
December 14, 20126.62
November 30, 20126.53
November 15, 20126.23
October 31, 20126.23
October 15, 20126.39
September 28, 20126.92
September 14, 20127.84
August 31, 20128.47
August 15, 20129.45
July 31, 20129.94
July 13, 201210.09
June 29, 201210.43
June 15, 20129.78
May 31, 201211.05
May 15, 201210.61
April 30, 201211
April 13, 201210.36
March 30, 201210.36
March 15, 201210.63
February 29, 201211.9
February 15, 201212
January 31, 201212.45
January 13, 201212.76
December 30, 201113.4
December 15, 201113.44
November 30, 201113.98
November 15, 201114.24
October 31, 201114.41
October 14, 201114.55
September 30, 201113.54
September 15, 201114.18
August 31, 201113.72
August 15, 201113.59
July 29, 201114.7
July 15, 201115.51
June 30, 201114.6
June 15, 201113.98
May 31, 201114.1
May 13, 201114
April 29, 201113.6
April 15, 201113.3
March 31, 201113.68
March 15, 201113.29
February 28, 201113.79
February 15, 201113.34
January 31, 201112.5
January 14, 201111.08
December 31, 201010.33
December 15, 201010.89
November 30, 201011.41
November 15, 201011.77
October 29, 201012.29
October 15, 201012.58
September 30, 201013.04
September 15, 201013.48
August 31, 201015.99
August 13, 201015.04
July 30, 201015.65
July 15, 201014.85
June 30, 201013.34
June 15, 201011.95
May 28, 201012.52
May 14, 201012.86
April 30, 201013.51
April 15, 201014.38
March 31, 201011.02
March 15, 201011.01
February 26, 201011.58
February 12, 201011.08
January 29, 201010.87
January 15, 201010.47
December 31, 200910.73
December 15, 200910.1
November 30, 200910.88
November 13, 200910.71
October 30, 200910.22
October 15, 20099.54
September 30, 20098.16
September 15, 20098.07
August 31, 20097.67
August 14, 20098.25
July 31, 20097.79
July 15, 20097.39
June 30, 20095.71
June 15, 20095.43
May 29, 20095.95
May 15, 20095.76
April 30, 20095.37
April 15, 20095.66
March 31, 20095.52
March 13, 20095.36
February 27, 20094.93
February 13, 20094.76
January 30, 20095.02
January 15, 20094.72
December 31, 20084.52
December 15, 20084.32
November 28, 20084.08
November 14, 20083.92
October 31, 20084.04
October 15, 20084.39
September 30, 20083.69
September 15, 20083.42
August 29, 20082.78
August 15, 20081.43
July 31, 20080.57
July 15, 20080.49

Institutional Ownership History (%)

This the Institutional Ownership History of Energy Recovery IncPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
January 31, 201533
December 31, 201434
November 30, 201434
October 31, 201434
September 30, 201439
August 31, 201439
July 31, 201439
June 30, 201444
May 31, 201442
April 30, 201442
March 31, 201439
February 28, 201440
January 31, 201440
December 31, 201338
November 30, 201341
October 31, 201342
September 30, 201339
August 31, 201340
July 31, 201340
June 30, 201340
May 31, 201337
April 30, 201337
March 31, 201314
February 28, 201337
January 31, 201339
December 31, 201240
November 30, 201239
October 31, 201238
September 30, 201241
August 31, 201241
July 31, 201241
June 30, 201243
May 31, 201242
April 30, 201242
March 31, 201247
February 29, 201252
January 31, 201252
December 31, 201152
November 30, 201152
October 31, 201152
September 30, 201149
August 31, 201149
July 31, 201146
June 30, 201146
May 31, 201142
April 30, 201145
March 31, 201145
February 28, 201164
January 31, 201163
December 31, 201061
November 30, 201062
October 31, 201065
September 30, 201065
August 31, 201066
July 31, 201059
June 30, 201063
May 31, 201065
April 30, 201066
March 31, 201068
February 28, 201039
January 31, 201032
December 31, 200933
November 30, 200933
October 31, 200937
September 30, 200935
August 31, 200935
July 31, 200934
June 30, 200934
May 31, 200934
April 30, 200931
March 31, 200928
February 28, 200928
January 31, 200930
December 31, 200829
November 30, 200829
October 31, 20085
September 30, 200831
August 31, 200831
July 31, 200831

Insider ownership (%)

This is the historical insider ownership of Energy Recovery Inc. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Date Insider Ownership
January 31, 201527
December 31, 201427
November 30, 201427
October 31, 201427
September 30, 201427
August 31, 201427
July 31, 201427
June 30, 201427
May 31, 201427
March 31, 201426
February 28, 201426
January 31, 201426
December 31, 201326
November 30, 201326
October 31, 201326
September 30, 201326
August 31, 201326
July 31, 201326
June 30, 201326
May 31, 201326
April 30, 201326
March 31, 201326
January 31, 201326
November 30, 201226
October 31, 201226
September 30, 201226
August 31, 201226
July 31, 201226
June 30, 201226
May 31, 201226
April 30, 201226
March 31, 201226
February 29, 201226
January 31, 201226
December 31, 201126
November 30, 201127
October 31, 201126
September 30, 201126
August 31, 201126
July 31, 201126
June 30, 201127
May 31, 201127
April 30, 201127
March 31, 201127
February 28, 201127
January 31, 201127
December 31, 201027
November 30, 201027
October 31, 201027
September 30, 201027
August 31, 201027
July 31, 201027
June 30, 201027
May 31, 201027
April 30, 201027
March 31, 201026
February 28, 20105
January 31, 20105
December 31, 20095
November 30, 20095
October 31, 20095
September 30, 20095
August 31, 20095
July 31, 20096
June 30, 20096
May 31, 20096
April 30, 20095
March 31, 20093

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Arvarius As10% Owner6,841,10313.19%2010-04-29
James MedanichN/A3,130,0006.03%2008-07-08
Arve HanstveitDirector1,570,8003.03%2014-12-11
Fred Olav JohannessenDirector850,0001.64%2014-08-12
Mr. Dominique TrempontDirector447,6510.86%2014-12-31
Hans Peter MicheletDirector409,7000.79%2013-12-02
G. G. PiqueDirector130,0000.25%2011-05-18
Terrill SandlinN/A124,0000.24%2009-07-01
Dr. Richard Stover,PhDN/A120,3300.23%2009-05-27
Xiao Lin (Hattie) WangN/A70,0000.13%2009-03-09

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
T. Rowe Price Associates, Inc.3,420,9632014-12-316.590.0018,028,000
T. Rowe Price New Horizons Fund2,975,5632014-12-315.740.1115,681,217
First Trust ISE Water Fund1,432,7392015-02-272.842.464,856,985
First Trust Advisors L.P.1,397,2162014-12-312.690.027,363,000
BlackRock Fund Advisors1,289,8512014-12-312.490.006,798,000
Vanguard Group, Inc.1,149,7042014-12-312.220.006,059,000
MORTON HOLDINGS Inc1,045,0462013-12-312.030.005,800,005
Dimensional Fund Advisors, Inc.945,1742014-12-311.820.004,981,000
Invesco PowerShares Capital Mgmt LLC888,2812014-12-311.710.014,681,000
PowerShares Water Resources Portfolio837,7682015-02-271.660.322,840,034

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