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Superconductor Technologies Inc (SCON)Ownership Data

Short Interest History (%)

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

Date Short Interest
February 13, 201514.88
January 30, 201515.4
January 15, 201515.4
December 31, 201415.58
December 15, 201415.58
November 28, 201416.37
November 14, 201417.16
October 31, 201416.96
October 15, 201415.8
September 30, 201415.72
September 15, 201415.9
August 29, 201415.83
August 15, 201416.31
July 31, 201416.67
July 15, 201416.83
June 30, 201417.33
June 13, 201417.27
May 30, 201417.03
May 15, 201417.08
April 30, 201417.4
April 15, 201418.25
March 31, 201422.03
March 14, 201421.22
February 28, 201419.68
February 14, 201419.48
January 31, 201418.97
January 15, 201417.26
December 31, 201314.78
December 13, 201314.79
November 29, 201316.16
November 15, 20138.92
October 31, 20138.54
October 15, 20136.58
September 30, 20134.58
September 13, 20134.97
August 30, 20134.49
August 15, 20134.45
July 31, 201311
July 15, 201310.21
June 28, 201310.32
June 14, 201310.29
May 31, 201310.74
May 15, 201311.51
April 30, 20138.85
April 15, 20135.97
March 28, 20135.81
March 15, 20134.68
February 28, 20134.15
February 15, 20133.49
January 31, 20133.45
January 15, 20134.25
December 31, 20124.52
December 14, 20124.53
November 30, 20124.71
November 15, 20124.33
October 31, 20124.38
October 15, 20124.67
September 28, 20125.04
September 14, 20125.15
August 31, 20125.11
August 15, 20125.13
July 31, 20125.18
July 13, 20125.2
June 29, 20125.21
June 15, 20125.29
May 31, 20125.32
May 15, 20125.34
April 30, 20125.45
April 13, 20125.28
March 30, 20126.36
March 15, 20125.61
February 29, 20125.3
February 15, 20126.73
January 31, 20126.76
January 13, 20126.78
December 30, 20116.84
December 15, 20116.95
November 30, 20116.94
November 15, 20116.43
October 31, 20115
October 14, 20114.91
September 30, 20114.93
September 15, 20114.45
August 31, 20114.68
August 15, 20114.69
July 29, 20114.42
July 15, 20114.58
June 30, 20114.83
June 15, 20114.89
May 31, 20114.99
May 13, 20114.99
April 29, 20114.86
April 15, 20116.39
March 31, 20113.82
March 15, 20115.51
February 28, 20114.73
February 15, 20114.76
January 31, 20110.3
January 14, 20110.42
December 31, 20100.48
December 15, 20100.91
November 30, 20100.89
November 15, 20101.11
October 29, 20101.15
October 15, 20101.26
September 30, 20101.07
September 15, 20100.99
August 31, 20101.15
August 13, 20103.28
July 30, 20103.3
July 15, 20103.46
June 30, 20103.29
June 15, 20103.32
May 28, 20103.45
May 14, 20103.82
April 30, 20104.16
April 15, 20104.66
March 31, 20104.73
March 15, 20104.67
February 26, 20104.47
February 12, 20104.52
January 29, 20104.53
January 15, 20104.34
December 31, 20093.5
December 15, 20093.95
November 30, 20094.05
November 13, 20094.1
October 30, 20094.12
October 15, 20094.07
September 30, 20094
September 15, 20094.12
August 31, 20094.28
August 14, 20094.36
July 31, 20095.62
July 15, 20095.57
June 30, 20095.48
June 15, 20095.03
May 29, 20093.8
May 15, 20091.83
April 30, 20091.39
April 15, 20090.93
March 31, 20090.93
March 13, 20091.03
February 27, 20091.04
February 13, 20091.01
January 30, 20091.09
January 15, 20091.09
December 31, 20081.08
December 15, 20081.57
November 28, 20081.81
November 14, 20081.89
October 31, 20081.9
October 15, 20082.2
September 30, 20082.19
September 15, 20082.03
August 29, 20082.46
August 15, 20082.45
July 31, 20083.02
July 15, 20083.74
June 30, 20084.1
June 13, 20085.38
May 30, 20087.46
May 15, 20087.85
April 30, 20088.33
April 15, 20088.8
March 31, 20089.49
March 14, 200811.94
February 29, 200812.23
February 15, 200815.19
January 31, 200817.23
January 15, 200817.14
December 31, 200718.46
December 11, 200720.78
November 27, 200720.09
November 9, 200720.06
October 26, 200717.95
October 10, 200716.47
September 25, 200715.18
September 11, 200713.02
August 10, 20071.37
July 10, 20071.42
June 12, 20071.89
May 10, 20071.69
April 10, 20071.65
March 12, 20072.4
February 12, 20071.96
January 9, 20071.53
December 12, 20061.66
November 10, 20062.01
October 10, 20061.45
September 12, 20061.63
August 10, 20061.63
July 11, 20061.47
June 12, 20061.56
May 10, 20061.4
April 10, 20060.64
March 10, 20060.04
February 10, 20060.03
January 10, 20060.02
December 12, 20050.02
November 10, 20050.01
October 11, 20050.01
September 12, 20050.01
August 10, 20050.01
July 12, 20050.01
June 10, 20050.01
May 10, 20050.01
April 12, 20050.31
March 10, 20050.28
February 10, 20050.4
January 11, 20050.55
December 10, 20040.6
November 10, 20040.64
October 12, 20040.84
September 10, 20040.62
August 10, 20040.72
July 12, 20041.19
June 9, 20042.87
May 11, 20044.28
April 12, 20044.33
March 10, 20045.37
February 10, 20046.41
January 12, 20046.28
December 10, 20033.9
November 11, 20031.87
October 10, 20034.64
September 10, 20032.94
August 12, 20032.37
July 10, 20032.96
June 10, 20030.87
May 12, 20030.84
April 10, 20031.21
March 11, 20031.02
February 11, 20030.96
January 10, 20031.21
December 10, 20020.57
November 12, 20020.44
October 10, 20020.31
September 10, 20020.4
August 12, 20020.55
July 10, 20020.95
June 11, 20023.31
May 10, 20025.65
April 10, 20026.16
March 12, 20027.54
February 12, 20028.42
January 10, 20028.53
December 11, 20018.45
November 12, 20018.48
October 10, 200110.43
September 5, 200113.35
August 10, 200114.07
July 10, 200115.21
June 12, 200115.32
May 10, 200115.46
April 9, 200115.38
March 12, 200113.86
February 12, 200114.78
January 9, 200114.26
December 12, 200012.72
November 10, 20006.49
October 10, 20002.82
September 12, 20002.59
August 10, 20002.48
July 11, 20004.39
June 12, 20005.19
May 10, 20002.7
April 11, 20004.03
March 10, 200010.01
February 10, 20000.22
January 11, 20000.51
December 10, 19990.52
November 10, 19990.51
October 12, 19990.51
September 10, 19990.51
August 10, 19990.49
July 12, 19990.51
June 10, 19990.49
May 11, 19990.51
April 12, 19990.61
March 10, 19990.54
February 9, 19990.57
January 8, 19990.49
December 8, 19980.56
November 6, 19980.59
October 8, 19980.53
September 8, 19980.69
August 7, 19980.69
July 8, 19980.81
June 8, 19980.35
May 8, 19980.51
April 7, 19981.39
March 6, 19980.05
February 6, 19980.08
January 8, 19980.08
December 8, 19970.05
November 7, 19970.04
October 8, 19970.05
September 8, 19970.11
August 8, 19970.06
July 8, 19970.02
June 6, 19970.04
May 8, 19970.04
April 8, 19970.1
March 7, 19970.05
February 7, 19970.02
January 8, 19970.02
December 6, 19960.1
November 8, 19960.14
October 8, 19960.19
September 6, 19960.07
August 8, 19960.06
July 8, 19960.09
June 7, 19960.15
May 8, 19960.12
April 8, 19960.13
March 8, 19960.21
February 8, 19960.1
January 8, 19960.12
December 8, 19950.29
November 8, 19950.18
October 6, 19950.23
September 8, 19950.22
August 8, 19950.24
July 7, 19950.26
June 8, 19950.26
May 8, 19950.29
April 6, 19950.1
March 8, 19950.11
February 8, 19950.1
January 6, 19950.12

Institutional Ownership History (%)

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

Date Institutional Ownership
January 31, 201531
December 31, 201431
November 30, 201430
October 31, 201430
September 30, 201438
August 31, 201438
July 31, 201438
June 30, 201439
May 31, 201439
April 30, 201439
March 31, 201428
February 28, 201429
January 31, 201429
December 31, 201326
November 30, 201330
October 31, 201330
September 30, 201333
August 31, 201322
July 31, 201348
June 30, 201323
May 31, 201321
April 30, 201321
March 31, 20132
February 28, 20139
January 31, 201331
December 31, 201229
November 30, 201229
October 31, 201228
September 30, 201226
August 31, 201226
July 31, 201226
June 30, 201226
May 31, 201226
April 30, 201226
March 31, 201226
February 29, 201233
January 31, 201232
December 31, 201128
November 30, 201128
October 31, 201128
September 30, 201128
August 31, 201128
July 31, 201128
June 30, 201128
May 31, 201127
April 30, 201123
March 31, 201119
February 28, 201123
January 31, 201122
December 31, 201024
November 30, 201024
October 31, 201029
September 30, 201025
August 31, 201025
July 31, 201025
June 30, 201025
May 31, 201025
April 30, 201030
March 31, 201029
February 28, 201029
January 31, 201028
December 31, 200928
November 30, 200928
October 31, 200928
September 30, 200928
August 31, 200928
July 31, 200927
June 30, 200927
May 31, 200917
April 30, 200913
March 31, 20099
February 28, 20099
January 31, 20099
December 31, 20089
November 30, 20089
October 31, 20089
September 30, 20089
August 31, 20089
July 31, 20089
June 30, 200811
May 31, 200811
April 30, 200811
March 31, 200811
February 29, 200811
January 31, 200811

Insider ownership (%)

This is the historical insider ownership of Superconductor Technologies 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, 201525
December 31, 201427
November 30, 201425
October 31, 201426
September 30, 201426
August 31, 201426
July 31, 201426
June 30, 201426
May 31, 201426
March 31, 201410
February 28, 201410
January 31, 201410
December 31, 201311
November 30, 201311
October 31, 201311
September 30, 201311
August 31, 201311
July 31, 201311
June 30, 20137
May 31, 20137
April 30, 20137
March 31, 20137
January 31, 201320
November 30, 201221
October 31, 201217
September 30, 201217
August 31, 201217
July 31, 201217
June 30, 201217
May 31, 201217
April 30, 201216
March 31, 201216
February 29, 201216
January 31, 201216
December 31, 201116
November 30, 201116
October 31, 201116
September 30, 201116
August 31, 201116
July 31, 201116
June 30, 201116
May 31, 201116
April 30, 201116
March 31, 201116
February 28, 201119
January 31, 201117
December 31, 201016
November 30, 201016
October 31, 201020
September 30, 201020
August 31, 201020
July 31, 201020
June 30, 201020
May 31, 201020
April 30, 201025
March 31, 201024
February 28, 201023
January 31, 201023
December 31, 200924
November 30, 200924
October 31, 200924
September 30, 200924
August 31, 200924
July 31, 200924
June 30, 200924
May 31, 200913
April 30, 20097
March 31, 20097
February 28, 20097
January 31, 20097
December 31, 20084
November 30, 20084
October 31, 20084
September 30, 20084
August 31, 20084
July 31, 20084
June 30, 20084
May 31, 20084
March 31, 20081
February 29, 20081
January 31, 20081
December 31, 20071
November 30, 20071
October 31, 20071
September 30, 20071
August 31, 20071
July 31, 20073
June 30, 20073
May 31, 20073
April 30, 20073
March 31, 20072
February 28, 20072
January 31, 20072
December 31, 20062
November 30, 20062
October 31, 20062
September 30, 20062
June 30, 20062
September 30, 20051
August 31, 20051
July 31, 20051
June 30, 20051
May 31, 20051
April 30, 20051
March 31, 20051
February 28, 20052
January 31, 20052
December 31, 20042
November 30, 20041
October 31, 20041
September 30, 20041
August 31, 20041
July 31, 20041
June 30, 20041
May 31, 20041
April 30, 20041
March 31, 20041
February 29, 20041

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Kopp Leroy C10% Owner1,535,29011.59%2014-04-29
Jeffrey A. QuiramN/A302,3582.28%2014-12-04
Dr. Robert B. Hammond,PhDSVP Chief Technical Officer213,5561.61%2012-05-06
Charles E. ShalvoyDirector171,1671.29%2005-12-02
Adam SheltonVP of Product Mgmt & Marketing167,4011.26%2014-12-04
Robert L. JohnsonVice President166,5511.26%2014-12-04
Kenneth E. PfeifferN/A143,9361.09%2014-12-04
William J. BuchananController143,3451.08%2014-12-04
Thomas R. GiuntaN/A130,8560.99%2012-05-06
Terry A. WhiteN/A63,6370.48%2011-05-06

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Kopp Investment Advisors LLC2,642,6142014-12-3119.953.527,320,000
BlackRock Fund Advisors712,4772014-12-315.380.001,974,000
Vanguard Group, Inc.270,1652014-12-312.040.00748,000
Bard Associates Inc224,0352014-12-311.690.29621,000
Vanguard Total Stock Mkt Idx212,9292015-01-311.610.00564,262
Perkins Capital Management Inc50,0002014-12-310.380.12139,000
Vanguard Extended Market Index Fund46,9932015-01-310.350.00124,531
Susquehanna Financial Group, LLLP30,9662014-12-310.230.0086,000
Goldman, Sachs & Co.23,4432014-12-310.180.0065,000
Tenor Capital Management Co Lp22,1692014-12-310.170.0261,000

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