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Aehr Test Systems (AEHR) Ownership Data

Short Interest History (%)

This is the historical short interest of Aehr Test Systems, as measured by the Short Percentage Of Float.

Date Short Interest
July 15, 20150.15
June 30, 20150.19
June 15, 20150.13
May 29, 20150.19
May 15, 20150.37
April 30, 20150.16
April 15, 20150.1
March 31, 20150.2
March 13, 20150.2
February 27, 20150.04
February 13, 20150.04
January 30, 20150.04
January 15, 20150.15
December 31, 20140.17
December 15, 20140.15
November 28, 20140.15
November 14, 20140.05
October 31, 20140.32
October 15, 20140.06
September 30, 20140.05
September 15, 20140.16
August 29, 20140.15
August 15, 20140.17
July 31, 20140.22
July 15, 20140.18
June 30, 20140.06
June 13, 20140.11
May 30, 20140.12
May 15, 20140.28
April 30, 20140.74
April 15, 20140.99
March 31, 20141.07
March 14, 20140.27
February 28, 20140.28
February 14, 20140.41
January 31, 20140.34
January 15, 20140.61
December 31, 20130.24
December 13, 20130.35
November 29, 20130.12
November 15, 20130.12
October 31, 20130.13
October 15, 20130.13
September 30, 20130.05
September 13, 20130.03
August 30, 20130.04
August 15, 20130.16
July 31, 20130.02
July 15, 20130.12
June 28, 20130.12
June 14, 20130.21
May 31, 20130.12
May 15, 20130.26
April 30, 20130.18
April 15, 20130.25
March 28, 20130.24
February 28, 20130.04
February 15, 20130.06
January 31, 20130.06
January 15, 20130.11
December 14, 20120.01
November 30, 20120.01
November 15, 20120.09
October 15, 20120.02
September 28, 20120.05
September 14, 20120.04
August 31, 20120.04
August 15, 20120.05
July 31, 20120.04
July 13, 20120.04
June 29, 20120.05
June 15, 20120.04
May 31, 20120.07
May 15, 20120.07
April 30, 20120.12
April 13, 20120.14
March 30, 20120.11
March 15, 20120.08
February 29, 20120.07
February 15, 20120.1
January 31, 20120.15
January 13, 20120.17
December 30, 20110.04
December 15, 20110.11
November 30, 20110.08
November 15, 20110.37
October 31, 20110.04
October 14, 20110.07
September 30, 20110.09
September 15, 20110.04
August 31, 20110.04
August 15, 20110.04
July 29, 20110.15
July 15, 20110.04
June 30, 20110.1
June 15, 20110.04
May 31, 20110.06
May 13, 20110.13
April 29, 20110.11
April 15, 20110.09
March 31, 20110.06
March 15, 20110.13
February 28, 20110.12
February 15, 20110.06
January 31, 20110.07
January 14, 20110.06
December 31, 20100.1
December 15, 20100.15
November 30, 20100.04
November 15, 20100.06
October 29, 20100.09
October 15, 20100.06
September 30, 20100.05
September 15, 20100.09
August 31, 20100.05
August 13, 20100.06
July 30, 20100.04
July 15, 20100.11
June 30, 20100.09
June 15, 20100.09
May 28, 20100.11
May 14, 20100.11
April 30, 20100.09
April 15, 20100.13
March 31, 20100.3
March 15, 20100.24
February 26, 20100.29
February 12, 20100.23
January 29, 20100.3
January 15, 20100.03
December 31, 20090.02
December 15, 20090.02
November 30, 20090.01
November 13, 20090.05
October 30, 20090.04
October 15, 20090.07
September 30, 20090.05
September 15, 20090.05
August 31, 20090.03
August 14, 20090.01
July 31, 20090.05
June 30, 20090.01
May 29, 20090.03
May 15, 20090.08
April 30, 20090.05
March 31, 20090.1
March 13, 20090.05
February 27, 20090.06
February 13, 20090.06
January 30, 20090.08
January 15, 20090.1
December 31, 20080.1
December 15, 20080.21
November 28, 20080.22
November 14, 20080.26
October 31, 20080.19
October 15, 20080.16
September 30, 20080.26
September 15, 20081.11
August 29, 20081.13
August 15, 20081.39
July 31, 20081.85
July 15, 20080.77
June 30, 20080.42
June 13, 20080.43
May 30, 20080.15
May 15, 20080.15
April 30, 20080.05
April 15, 20080.23
March 31, 20080.14
March 14, 20080.16
February 29, 20080.14
February 15, 20080.1
January 31, 20080.06
January 15, 20080.14
December 31, 20070.04
December 11, 20070.04
November 27, 20070.03
November 9, 20070.05
October 26, 20070.12
October 10, 20070.08
September 25, 20070.15
September 11, 20070.11
August 10, 20070.09
July 10, 20070.07
June 12, 20070.03
May 10, 20070.4
April 10, 20070.38
March 12, 20070.27
February 12, 20070.21
January 9, 20070.27
December 12, 20060.6
November 10, 20060.6
October 10, 20061.03
September 12, 20061.07
August 10, 20060.94
July 11, 20060.15
June 12, 20060.13
May 10, 20060.12
April 10, 20060.07
March 10, 20060.06
February 10, 20060.03
January 10, 20060.02
December 12, 20050.05
November 10, 20050.01
October 11, 20050.01
September 12, 20050.3
August 10, 20050.32
July 12, 20050.07
June 10, 20050.01
May 10, 20050.01
April 12, 20050.03
December 10, 20040.02
November 10, 20040.02
September 10, 20040.02
August 10, 20040.04
June 9, 20040.07
May 11, 20040.07
April 12, 20040.01
March 10, 20040.02
February 10, 20040.11
January 12, 20040.2
December 10, 20030.02
November 11, 20030.01
October 10, 20030.01
September 10, 20030.01
August 12, 20030.05
July 10, 20030.01
June 10, 20030.01
May 12, 20030.01
April 10, 20030.04
March 11, 20030.01
February 11, 20030.01
January 10, 20030.01
December 10, 20020.02
August 12, 20020.01
May 10, 20020.24
April 10, 20020.03
March 12, 20020.02
January 10, 20020.01
December 11, 20010.02
June 12, 20010.01
January 9, 20010.01
November 10, 20000.01
October 10, 20000.01
August 10, 20000.01
July 11, 20000.02
June 12, 20000.01
May 10, 20000.01
April 11, 20000.01
March 10, 20000.07
February 10, 20000.02
January 11, 20000.01
December 10, 19990.01
November 10, 19990.04
October 12, 19990.01
September 10, 19990.09
August 10, 19990.03
July 12, 19990.01
June 10, 19990.01
May 11, 19990.01
February 9, 19990.02
November 6, 19980.08
October 8, 19980.05
September 8, 19980.01
August 7, 19980.01
July 8, 19980.01
June 8, 19980.12
May 8, 19980.02
April 7, 19980.02
March 6, 19980.02
February 6, 19980.02
January 8, 19980.05
November 7, 19970.02
October 8, 19970.12
September 8, 19971.18

Institutional Ownership History (%)

This the Institutional Ownership History of Aehr Test SystemsPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
June 30, 201525
March 31, 201514
December 31, 201415
September 30, 20149
June 30, 20148
March 31, 20148
December 31, 20136
September 30, 20135
June 30, 20133
March 31, 20133
December 31, 20123
September 30, 20123
June 30, 20123
March 31, 20123
December 31, 20119
September 30, 201113
June 30, 201113
March 31, 201113
December 31, 201015
September 30, 201015
June 30, 201016
March 31, 201016
December 31, 200915
September 30, 200914
June 30, 200914
March 31, 200916
December 31, 200828
September 30, 200829
June 30, 200829
March 31, 200846
September 30, 200743
June 30, 200743
March 31, 200746
December 31, 200648
September 30, 200644
June 30, 200639
March 31, 200638
December 31, 200542
September 30, 200548
June 30, 200550
March 31, 200550
December 31, 200452
September 30, 200453
June 30, 200453
March 31, 200454
December 31, 200353
September 30, 200353
June 30, 200361
March 31, 200353
December 31, 200254
September 30, 200252
June 30, 200258
March 31, 200251
December 31, 200151
September 30, 200152
June 30, 200152
March 31, 200152
December 31, 200048
September 30, 200048
June 30, 200048
March 31, 200049

Insider ownership (%)

This is the historical insider ownership of Aehr Test Systems. 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
April 30, 201510
March 31, 201510
February 28, 201510
January 31, 201510
December 31, 20148
November 30, 201410
October 31, 20149
September 30, 20149
August 31, 20149
July 31, 201410
June 30, 20149
May 31, 20149
March 31, 201410
February 28, 201410
January 31, 201410
December 31, 201310
November 30, 201310
October 31, 201310
September 30, 201310
August 31, 201310
July 31, 201310
June 30, 201310
May 31, 201310
April 30, 201310
March 31, 201310
January 31, 201319
November 30, 201219
October 31, 201219
September 30, 201218
August 31, 201218
July 31, 201218
June 30, 201217
May 31, 201217
April 30, 201217
March 31, 201217
February 29, 201217
January 31, 201217
December 31, 201115
November 30, 201115
October 31, 201115
September 30, 201115
August 31, 201115
July 31, 201115
June 30, 201115
May 31, 201115
April 30, 201115
March 31, 201115
February 28, 201115
January 31, 201115
December 31, 201015
November 30, 201015
October 31, 201015
September 30, 201015
August 31, 201015
July 31, 201015
June 30, 201015
May 31, 201015
April 30, 201015
March 31, 201015
February 28, 201015
January 31, 201015
December 31, 200915
November 30, 200915
October 31, 200915
September 30, 200915
August 31, 200915
July 31, 200915
June 30, 200915
May 31, 200915
April 30, 200915
March 31, 200914
February 28, 200914
January 31, 200914
December 31, 200814
November 30, 200814
October 31, 200814
September 30, 200814
August 31, 200814
July 31, 200815
June 30, 200815
May 31, 200815
April 30, 200818
March 31, 200818
February 29, 200818
January 31, 200818
December 31, 200718
November 30, 200719
October 31, 200719
September 30, 200719
August 31, 200718
July 31, 200718
June 30, 200718
May 31, 200718
April 30, 200718
March 31, 200718
February 28, 200718
January 31, 200718
December 31, 200618
November 30, 200618
October 31, 200618
September 30, 200618
June 30, 200618
May 31, 200618
April 30, 200618
March 31, 200618
February 28, 200619
January 31, 200619
December 31, 200519
November 30, 200519
October 31, 200519
September 30, 200519
August 31, 200519
July 31, 200518
June 30, 200518
May 31, 200518
April 30, 200518
March 31, 200518
February 28, 200518
January 31, 200518
December 31, 200418
November 30, 200418
October 31, 200418
September 30, 200418
August 31, 200418
July 31, 200418
June 30, 200418
May 31, 200418
April 30, 200418
March 31, 200418
February 29, 200418

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Gayn EricksonPresident & C.E.O312,2512.46%2015-05-12
Robert R. AndersonDirector245,6821.93%2014-11-24
Gary L. LarsonVP OF FINANCE & CFO158,0211.24%2015-06-29
Mr. John M. SchneiderDirector127,6001%2015-05-04
Mr. Howard T. SlayenDirector105,4810.83%2015-06-01
Dr. William W. R. ElderDirector105,0000.83%2014-10-27
David S. HendricksonV.P. OF ENGINEERING61,9130.49%2015-05-07
Rhea J. PosedelDirector44,6860.35%2015-05-07
Mr. Mukesh PatelDirector23,9290.19%2014-11-24
Larry AndersonV.P. OF WORLDWIDE SALES13,0000.1%2013-04-01

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Qvt Financial LP   Premium Plus1,410,5482015-04-1011.10N/A3,301
Westerly Capital Management LLC   Premium Plus712,0002015-03-315.601.721,666
Private Wealth Advisors, Inc.   Premium Plus651,4702015-03-315.120.711,524
Dimensional Fund Advisors, Inc.   Premium Plus144,2342015-03-311.14N/A338
Renaissance Technologies Corp Premium96,8002015-03-310.76N/A227
Vanguard Total Stock Mkt Idx93,7152015-06-300.74N/A214
Vanguard Group, Inc.   Premium Plus92,7122015-03-310.73N/A217
Minerva Advisors LLC   Premium Plus58,7022015-03-310.450.08134
DFA U.S. Micro Cap Portfolio27,7682015-05-310.22N/A67
DFA US Small Cap Value II Portfolio23,9692015-05-310.19N/A58

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