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Siga Technologies Inc (SIGA)Ownership Data

Short Interest History (%)

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

Date Short Interest
January 30, 20154.57
January 15, 20154.82
December 31, 20145.13
December 15, 20146.48
November 28, 20146.43
November 14, 20146.74
October 31, 20147.05
October 15, 20148.01
September 30, 20149.73
September 15, 201410.69
August 29, 201410.86
August 15, 201411.23
July 31, 201411.07
July 15, 201411.21
June 30, 201416.02
June 13, 201414.99
May 30, 201414.76
May 15, 201414.77
April 30, 201414.18
April 15, 201413.82
March 31, 201413.42
March 14, 201413.41
February 28, 201413.53
February 14, 201413.67
January 31, 201413.54
January 15, 201413.64
December 31, 201314
December 13, 201314.82
November 29, 201315.1
November 15, 201315.39
October 31, 201315.89
October 15, 201315.89
September 30, 201316.66
September 13, 201316.78
August 30, 201317
August 15, 201316.86
July 31, 201316.26
July 15, 201316.78
June 28, 201317.1
June 14, 201317.52
May 31, 201318.62
May 15, 201320.04
April 30, 201319.86
April 15, 201320.22
March 28, 201319.73
March 15, 201320.03
February 28, 201319.07
February 15, 201318.8
January 31, 201317.34
January 15, 201316.46
December 31, 201215.96
December 14, 201216.26
November 30, 201216.69
November 15, 201216.72
October 31, 201216.65
October 15, 201216.82
September 28, 201217.15
September 14, 201217.93
August 31, 201218.46
August 15, 201218.97
July 31, 201219.5
July 13, 201219.82
June 29, 201220.03
June 15, 201220.36
May 31, 201220.51
May 15, 201220.33
April 30, 201220.29
April 13, 201220.76
March 30, 201220.56
March 15, 201221.53
February 29, 201228.11
February 15, 201227.3
January 31, 201225.88
January 13, 201225.3
December 30, 201124.83
December 15, 201125.26
November 30, 201126.05
November 15, 201126.09
October 31, 201123.81
October 14, 201124.23
September 30, 201124.37
September 15, 201128.88
August 31, 201126.65
August 15, 201123.06
July 29, 201118.6
July 15, 201119.29
June 30, 201120.2
June 15, 201120.43
May 31, 201121.76
May 13, 201120.94
April 29, 201120.97
April 15, 201121.37
March 31, 201121.28
March 15, 201120.69
February 28, 201116.47
February 15, 201115.89
January 31, 201117.05
January 14, 201115.97
December 31, 201015.6
December 15, 201015.4
November 30, 201015.74
November 15, 201016.29
October 29, 201016.77
October 15, 201016.59
September 30, 201015.82
September 15, 201014.91
August 31, 201014.84
August 13, 201013.96
July 30, 201014.27
July 15, 201014.74
June 30, 201014.85
June 15, 201014.72
May 28, 201014.14
May 14, 201013.65
April 30, 201012.75
April 15, 201012.79
March 31, 201012.56
March 15, 201011.5
February 26, 201011.16
February 12, 201011.5
January 29, 20109.92
January 15, 201011.01
December 31, 20098.85
December 15, 20097.46
November 30, 20097.84
November 13, 20096.07
October 30, 20095.8
October 15, 20095.7
September 30, 20095.32
September 15, 20094.54
August 31, 20094.55
August 14, 20094.51
July 31, 20094.69
July 15, 20095.1
June 30, 20092.1
June 15, 20092.27
May 29, 20091.45
May 15, 20091.26
April 30, 20091.12
April 15, 20091.09
March 31, 20090.98
March 13, 20091.07
February 27, 20091.12
February 13, 20091.06
January 30, 20091.13
January 15, 20091.27
December 31, 20081.4
December 15, 20081.31
November 28, 20081.32
November 14, 20081.51
October 31, 20081.55
October 15, 20081.77
September 30, 20081.97
September 15, 20082.07
August 29, 20082.57
August 15, 20082.56
July 31, 20082.98
July 15, 20083.05
June 30, 20083.14
June 13, 20082.86
May 30, 20082.97
May 15, 20083.09
April 30, 20083.6
April 15, 20083.63
March 31, 20083.41
March 14, 20083.48
February 29, 20083.45
February 15, 20083.57
January 31, 20083.59
January 15, 20083.92
December 31, 20073.92
December 11, 20073.78
November 27, 20073.69
November 9, 20073.88
October 26, 20074.38
October 10, 20074.12
September 25, 20074.16
September 11, 20074.41
August 10, 20075.47
July 10, 20075.88
June 12, 20076.12
May 10, 20076.08
April 10, 20076.49
March 12, 20075.13
February 12, 20074.67
January 9, 20074.35
December 12, 20063.7
November 10, 20063.81
October 10, 20063.12
September 12, 20060.25
August 10, 20060.18
July 11, 20060.18
June 12, 20060.21
May 10, 20060.66
April 10, 20060.72
March 10, 20060.43
February 10, 20060.4
January 10, 20060.4
December 12, 20050.8
November 10, 20050.48
October 11, 20050.02
September 12, 20050.01
August 10, 20050.02
May 10, 20050.01
April 12, 20050.09
March 10, 20050.12
February 10, 20050.09
January 11, 20050.11
December 10, 20040.1
November 10, 20040.09
October 12, 20040.1
September 10, 20040.1
August 10, 20040.11
July 12, 20040.1
June 9, 20040.1
May 11, 20040.11
April 12, 20040.11
March 10, 20040.12
February 10, 20040.28
January 12, 20040.28
December 10, 20030.63
November 11, 20030.78
October 10, 20031.43
September 10, 20030.67
August 12, 20030.76
July 10, 20030.42
June 10, 20030.4
May 12, 20030.08
April 10, 20030.13
March 11, 20030.06
February 11, 20030.03
December 10, 20020.01
November 12, 20020.61
October 10, 20021.69
September 10, 20021.69
August 12, 20021.7
July 10, 20021.69
June 11, 20022.26
May 10, 20022.27
April 10, 20021.74
March 12, 20022.26
February 12, 20022.26
January 10, 20024.43
December 11, 20014.42
November 12, 20014.41
October 10, 20011.38
September 5, 20010.08
August 10, 20010.1
July 10, 20010.12
June 12, 20010.12
May 10, 20010.26
April 9, 20010.23
March 12, 20010.12
February 12, 20010.79
January 9, 20010.79
December 12, 20000.8
November 10, 20000.86
October 10, 20000.2
September 12, 20000.01
June 12, 20000.02
February 10, 20000.15
January 11, 20000.01
December 10, 19990.05
November 10, 19990.03
October 12, 19990.01
September 10, 19990.09
July 12, 19990.53
June 10, 19990.08
January 8, 19990.06
December 8, 19980.01
November 6, 19980.06
October 8, 19980.02
September 8, 19980.01
August 7, 19980.01
July 8, 19980.1
May 8, 19980.13
April 7, 19980.01
March 6, 19980.02
February 6, 19980.01
January 8, 19980.01
December 8, 19970.04
November 7, 19970.01
October 8, 19970.11

Institutional Ownership History (%)

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

Date Institutional Ownership
January 31, 201578
December 31, 201478
November 30, 201478
October 31, 201478
September 30, 201450
August 31, 201453
July 31, 201453
June 30, 201453
May 31, 201454
April 30, 201454
March 31, 201453
February 28, 201453
January 31, 201453
December 31, 201352
November 30, 201352
October 31, 201352
September 30, 201353
August 31, 201378
July 31, 201378
June 30, 201384
May 31, 201383
April 30, 201383
March 31, 201360
February 28, 201357
January 31, 201358
December 31, 201259
November 30, 201257
October 31, 201257
September 30, 201258
August 31, 201258
July 31, 201258
June 30, 201258
May 31, 201257
April 30, 201257
March 31, 201230
February 29, 201233
January 31, 201233
December 31, 201134
November 30, 201134
October 31, 201134
September 30, 201161
August 31, 201169
July 31, 201169
June 30, 201170
May 31, 201170
April 30, 201169
March 31, 201167
February 28, 201171
January 31, 201160
December 31, 201059
November 30, 201059
October 31, 201062
September 30, 201059
August 31, 201060
July 31, 201065
June 30, 201064
May 31, 201028
April 30, 201026
March 31, 201028
February 28, 201029
January 31, 201023
December 31, 200921
November 30, 200921
October 31, 200920
September 30, 200920
August 31, 200920
July 31, 200913
June 30, 200912
May 31, 200912
April 30, 200911
March 31, 200910
February 28, 200911
January 31, 200910
December 31, 200810
November 30, 200810
October 31, 200810
September 30, 200810
August 31, 200810
July 31, 200810
June 30, 200810
May 31, 200810
April 30, 200810
March 31, 20089
February 29, 20089
January 31, 20089

Insider ownership (%)

This is the historical insider ownership of Siga 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, 20154
December 31, 20144
November 30, 20144
October 31, 20144
September 30, 20144
August 31, 20144
July 31, 20144
June 30, 20144
May 31, 20144
March 31, 20144
February 28, 20144
January 31, 20144
December 31, 20134
November 30, 20134
October 31, 20134
September 30, 20134
August 31, 20134
July 31, 20134
June 30, 20134
May 31, 20134
April 30, 20134
March 31, 20134
January 31, 20134
November 30, 20124
October 31, 20124
September 30, 20124
August 31, 20124
July 31, 20124
June 30, 20124
May 31, 20124
April 30, 20124
March 31, 20124
February 29, 20124
January 31, 20124
December 31, 20114
November 30, 20114
October 31, 20114
September 30, 20114
August 31, 20114
July 31, 20114
June 30, 20114
May 31, 20114
April 30, 20117
March 31, 20117
February 28, 20117
January 31, 20117
December 31, 20107
November 30, 20107
October 31, 20107
September 30, 20107
August 31, 20107
July 31, 20107
June 30, 20108
May 31, 20108
April 30, 20108
March 31, 20108
February 28, 201012
January 31, 201012
December 31, 200912
November 30, 200911
October 31, 200911
September 30, 200911
August 31, 200911
July 31, 200911
June 30, 200912
May 31, 200912
April 30, 200912
March 31, 200912
February 28, 200912
January 31, 200912
December 31, 200812
November 30, 20088
October 31, 20088
September 30, 20088
August 31, 20088
July 31, 20089
June 30, 20089
May 31, 20089
April 30, 200813
March 31, 200815
February 29, 200815
January 31, 200815
December 31, 200715
November 30, 200715
October 31, 200715
September 30, 200714
August 31, 200714
July 31, 200714
June 30, 200714
May 31, 200714
April 30, 200714
March 31, 200714
February 28, 200714
January 31, 200715
December 31, 200615
November 30, 200615
October 31, 200615
September 30, 200615
June 30, 200616
May 31, 200620
April 30, 200620
March 31, 200620
February 28, 200620
January 31, 200620
December 31, 200520
November 30, 200520
October 31, 200520
September 30, 200522
August 31, 200522
July 31, 200522
June 30, 200522
May 31, 200522
April 30, 200522
March 31, 200525
February 28, 200525
January 31, 200525
December 31, 200425
November 30, 200425
October 31, 200425
September 30, 200424
August 31, 200425
July 31, 200425
June 30, 200425
May 31, 200425
April 30, 200426
March 31, 200432
February 29, 200453

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Bernard L. Kasten,JrCEO553,5591.03%2004-10-11
Dr. Eric A. Rose, M.D.CEO472,8970.88%2014-02-28
Susan K. Burgess,PhDFormer President+365,7830.68%2004-06-09
Thomas E. ConstanceDirector185,0000.35%2014-05-15
Mr. Bruce SlovinDirector95,0000.18%2014-09-26
Paul G. SavasDirector91,8400.17%2014-05-15
Dr. Dennis E. Hruby,PhDChief Scientific Officer87,1240.16%2014-02-28
William C. BevinsDirector80,0000.15%2014-05-15
John R. OddenVP - Business Development55,2400.1%2004-12-30
Joseph W. Marshall,IIIDirector45,000less than 0.1%2014-05-15

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Mafco Holdings Inc13,509,7222014-11-0625.250.0019,048,708
MacAndrews & Forbes Holdings Inc13,105,8382014-03-1424.610.0042,069,740
Jet Capital Investors L P4,888,4842014-12-319.140.267,039,000
Prescott Group Capital Management L.L.C.2,948,8492014-12-315.510.694,246,000
SCOGGIN LLC1,566,9692014-12-312.930.202,256,000
Gruss Asset Mgmt LP1,000,0002014-12-311.870.041,440,000
Fidelity Management and Research Company492,9322014-09-300.920.00712,000
Potomac Capital Management, Inc.435,9762014-12-310.820.72628,000
Hudson Bay Capital Management LP411,4522014-12-310.770.01592,000
D. E. Shaw & Co LP387,7792014-12-310.720.00558,000

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