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Biocryst Pharmaceuticals Inc (BCRX) Ownership Data

Short Interest History (%)

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

Date Short Interest
August 14, 201518.58
July 31, 201519.54
July 15, 201521.86
June 30, 201522.49
June 15, 201528.08
May 29, 201527.86
May 15, 201528.59
April 30, 201526.98
April 15, 201527.85
March 31, 201528.73
March 13, 201516.63
February 27, 201527.9
February 13, 201524.09
January 30, 201523.22
January 15, 201521.09
December 31, 201420.36
December 15, 201419.63
November 28, 201419.74
November 14, 201419.53
October 31, 201419.7
October 15, 201419.59
September 30, 201419.21
September 15, 201417.52
August 29, 201416.91
August 15, 201416.93
July 31, 201415.92
July 15, 201415.21
June 30, 201410.87
June 13, 20149.95
May 30, 201410.67
May 15, 201410.94
April 30, 201410.69
April 15, 201411.27
March 31, 201413.28
March 14, 201411.21
February 28, 201412.74
February 14, 201412.31
January 31, 201411.87
January 15, 201417.31
December 31, 201317.5
December 13, 201314.59
November 29, 201310.45
November 15, 20139.81
October 31, 20139.16
October 15, 20139.04
September 30, 201314.7
September 13, 201310.83
August 30, 20139.52
August 15, 201310.32
July 31, 201311.55
July 15, 20139.84
June 28, 201314.73
June 14, 201314.68
May 31, 201315.17
May 15, 201316.36
April 30, 201314.63
April 15, 201311.21
March 28, 20137.86
March 15, 20137.68
February 28, 20138.31
February 15, 20138.51
January 31, 20139.04
January 15, 20136.26
December 31, 20125.46
December 14, 20126.95
November 30, 20125.82
November 15, 20127.17
October 31, 20128.08
October 15, 20129.56
September 28, 20129.92
September 14, 201210.63
August 31, 201211.28
August 15, 201212.52
July 31, 201212.51
July 13, 201212
June 29, 201213.71
June 15, 201210.52
May 31, 20129.54
May 15, 20129.45
April 30, 20128.64
April 13, 20129.24
March 30, 20129.09
March 15, 201212.85
February 29, 201210.42
February 15, 201210.72
January 31, 201211.68
January 13, 201212.07
December 30, 201112.01
December 15, 201112.48
November 30, 201112.99
November 15, 201112.78
October 31, 201112.75
October 14, 201113.04
September 30, 201113.1
September 15, 201113.92
August 31, 201115.15
August 15, 201116.38
July 29, 201117.49
July 15, 201117.25
June 30, 201117.24
June 15, 201117.24
May 31, 201116.92
May 13, 201116.77
April 29, 201116.78
April 15, 201116.56
March 31, 201115.87
March 15, 201111.36
February 28, 201111.2
February 15, 201111.21
January 31, 201111.32
January 14, 201112.23
December 31, 201012.61
December 15, 201012.86
November 30, 201013.26
November 15, 201014.29
October 29, 201014.5
October 15, 201015.09
September 30, 201015.57
September 15, 201015.81
August 31, 201016.12
August 13, 201015.9
July 30, 201016.49
July 15, 201017.03
June 30, 201017.75
June 15, 201017.64
May 28, 201017.73
May 14, 201017.13
April 30, 201015.37
April 15, 201017.71
March 31, 201017.69
March 15, 201017.2
February 26, 201018.45
February 12, 201019.02
January 29, 201018.76
January 15, 201016.92
December 31, 200915.76
December 15, 200921.02
November 30, 200923.8
November 13, 200928.43
October 30, 200926.65
October 15, 200922.08
September 30, 200920.58
September 15, 200916.05
August 31, 200915.66
August 14, 200912.29
July 31, 200914.19
July 15, 200910.69
June 30, 20098.56
June 15, 20097.89
May 29, 20097.69
May 15, 20096.27
April 30, 20095.48
April 15, 20091.79
March 31, 20091.95
March 13, 20091.98
February 27, 20091.82
February 13, 20091.82
January 30, 20091.85
January 15, 20091.92
December 31, 20081.77
December 15, 20081.89
November 28, 20082.04
November 14, 20082.12
October 31, 20082.34
October 15, 20081.77
September 30, 20082.67
September 15, 20082.9
August 29, 20083.19
August 15, 20083.68
July 31, 20085.82
July 15, 20085.79
June 30, 20085.72
June 13, 20085.86
May 30, 20086.04
May 15, 20085.52
April 30, 20086.6
April 15, 20086.24
March 31, 20085.81
March 14, 20086.32
February 29, 20086.41
February 15, 20086.68
January 31, 20086.62
January 15, 20087.03
December 31, 20077.03
December 11, 20077.39
November 27, 20077.81
November 9, 20077.84
October 26, 20077.63
October 10, 20077.9
September 25, 20079.91
September 11, 20075.86
August 10, 20076.81
July 10, 200710.36
June 12, 200714.75
May 10, 200713.51
April 10, 200712.54
March 12, 200712.18
February 12, 200710.21
January 9, 200710.12
December 12, 20069.55
November 10, 20068.82
October 10, 20069.62
September 12, 20069.27
August 10, 20069.47
July 11, 200611.2
June 12, 20069.58
May 10, 200610.53
April 10, 200611.71
March 10, 200612.96
February 10, 200611.67
January 10, 200612.61
December 12, 200513.16
November 10, 200512.03
October 11, 20058.8
September 12, 20050.64
August 10, 20050.57
July 12, 20050.29
June 10, 20052.24
May 10, 20051.78
April 12, 20051.91
March 10, 20051.66
February 10, 20051.53
January 11, 20051.25
December 10, 20041.19
November 10, 20041.81
October 12, 20041.98
September 10, 20042.11
August 10, 20042.36
July 12, 20041.68
June 9, 20040.84
May 11, 20040.46
April 12, 20040.65
March 10, 20040.83
February 10, 20041.29
January 12, 20040.5
December 10, 20031.23
November 11, 20031
October 10, 20030.09
September 10, 20030.11
August 12, 20030.01
July 10, 20030.01
June 10, 20030.08
May 12, 20030.02
February 11, 20030.01
December 10, 20020.06
November 12, 20020.03
October 10, 20020.03
September 10, 20020.04
August 12, 20020.05
July 10, 20020.04
June 11, 20020.06
May 10, 20020.05
April 10, 20020.06
March 12, 20020.06
February 12, 20020.06
January 10, 20020.15
December 11, 20010.06
November 12, 20010.07
October 10, 20010.07
September 5, 20010.07
August 10, 20010.11
July 10, 20010.21
June 12, 20011.37
May 10, 20010.5
April 9, 20010.25
March 12, 20010.26
February 12, 20010.22
January 9, 20010.81
December 12, 20001.05
November 10, 20000.43
October 10, 20001.05
September 12, 20001.66
August 10, 20001.68
July 11, 20001.66
June 12, 20001.04
May 10, 20000.74
April 11, 20000.32
March 10, 20000.67
February 10, 20000.89
January 11, 20001.11
December 10, 19991.13
November 10, 19991.79
October 12, 19992.45
September 10, 19992.76
August 10, 19992.24
July 12, 19991.11
June 10, 19991.17
May 11, 19991.12
April 12, 19991.18
March 10, 19991.09
February 9, 19991.11
January 8, 19991.17
December 8, 19981.24
November 6, 19981.36
October 8, 19981.3
September 8, 19981.16
August 7, 19980.98
July 8, 19980.95
June 8, 19980.78
May 8, 19980.72
April 7, 19980.63
March 6, 19980.74
February 6, 19980.7
January 8, 19980.63
December 8, 19970.39
November 7, 19970.34
October 8, 19970.81
September 8, 19970.21
August 8, 19970.22
July 8, 19970.2
June 6, 19970.37
May 8, 19970.4
April 8, 19970.22
March 7, 19970.16
February 7, 19970.24
January 8, 19970.14
December 6, 19960.28
November 8, 19960.61
October 8, 19960.47
September 6, 19960.89
August 8, 19960.5
July 8, 19960.17
June 7, 19960.13
May 8, 19960.26
April 8, 19960.11
March 8, 19960.21
February 8, 19960.4
January 8, 19960.45
December 8, 19950.3
November 8, 19950.25
October 6, 19950.42
September 8, 19950.39
August 8, 19950.28
July 7, 19950.22
June 8, 19950.39
May 8, 19950.1
April 6, 19950.17
March 8, 19950.15
February 8, 19950.18
January 6, 19950.27

Institutional Ownership History (%)

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

Date Institutional Ownership
June 30, 201585
March 31, 201587
December 31, 201483
September 30, 201477
June 30, 201472
March 31, 201472
December 31, 201363
September 30, 201352
June 30, 201331
March 31, 201331
December 31, 201232
September 30, 201235
June 30, 201240
March 31, 201238
December 31, 201132
September 30, 201132
June 30, 201133
March 31, 201132
December 31, 201033
September 30, 201033
June 30, 201032
March 31, 201034
December 31, 200935
September 30, 200948
June 30, 200944
March 31, 200947
December 31, 200847
September 30, 200845
June 30, 200847
March 31, 200850
December 31, 200742
September 30, 200751
June 30, 200739
March 31, 200754
December 31, 200645
September 30, 200647
June 30, 200645
March 31, 200641
December 31, 200541
September 30, 200541
June 30, 200537
March 31, 200535
December 31, 200437
September 30, 200438
June 30, 200440
March 31, 200438
December 31, 200328
September 30, 200327
June 30, 200324
March 31, 200321
December 31, 200221
September 30, 200221
June 30, 200221
March 31, 200221
December 31, 200119
September 30, 200120
September 30, 200084
June 30, 200025
March 31, 200023

Insider ownership (%)

This is the historical insider ownership of Biocryst Pharmaceuticals 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
July 31, 20156
June 30, 20156
May 31, 20156
April 30, 20156
March 31, 20156
February 28, 20156
January 31, 20156
December 31, 20145
November 30, 20146
October 31, 20146
September 30, 20146
August 31, 20146
July 31, 20146
June 30, 20147
May 31, 20147
March 31, 20149
February 28, 20149
January 31, 20149
December 31, 20138
November 30, 20138
October 31, 20138
September 30, 20138
August 31, 20138
July 31, 20138
June 30, 20138
May 31, 20138
April 30, 20138
March 31, 20138
January 31, 20138
November 30, 20127
October 31, 20127
September 30, 20127
August 31, 20127
July 31, 20127
June 30, 20127
May 31, 20127
April 30, 20127
March 31, 20127
February 29, 20127
January 31, 20127
December 31, 20117
November 30, 20117
October 31, 20117
September 30, 20117
August 31, 20117
July 31, 20117
June 30, 20117
May 31, 20117
April 30, 20117
March 31, 20117
February 28, 20116
January 31, 20116
December 31, 20106
November 30, 20106
October 31, 20106
September 30, 20106
August 31, 20106
July 31, 20106
June 30, 20106
May 31, 20106
April 30, 20106
March 31, 20106
February 28, 20107
January 31, 20107
December 31, 20098
November 30, 20097
October 31, 20097
September 30, 20097
August 31, 20098
July 31, 20098
June 30, 20098
May 31, 20098
April 30, 20098
March 31, 20098
February 28, 20097
January 31, 20097
December 31, 20087
November 30, 20087
October 31, 20087
September 30, 20087
August 31, 20087
July 31, 20087
June 30, 20087
May 31, 20087
April 30, 200814
March 31, 200814
February 29, 200814
January 31, 200814
December 31, 200714
November 30, 200714
October 31, 200714
September 30, 200714
August 31, 200714
July 31, 200713
June 30, 200722
May 31, 200719
April 30, 200719
March 31, 200719
February 28, 200719
January 31, 200719
December 31, 200619
November 30, 200619
October 31, 200619
September 30, 200619
June 30, 200619
May 31, 200619
April 30, 200619
March 31, 200619
February 28, 200619
January 31, 200619
December 31, 200519
November 30, 200519
October 31, 200515
September 30, 200515
August 31, 200515
July 31, 200515
June 30, 200515
May 31, 200515
April 30, 200515
March 31, 200515
February 28, 200515
January 31, 200515
December 31, 200418
November 30, 200418
October 31, 200418
September 30, 200418
August 31, 200418
July 31, 200418
June 30, 200419
May 31, 200419
April 30, 200419
March 31, 200419
February 29, 200419

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
William W. FeatheringillDirector, 10% Owner1,797,5722.48%2006-08-29
Jon P. StonehousePresident & CEO659,2110.91%2015-07-15
William M. Spencer,IIIN/A186,7610.26%2006-12-27
Dr. Yarlagadda S. Babu,PhDSenior VP - Drug Discovery148,6970.21%2015-03-19
Thomas R. Staab,IISenior Vice President and CFO142,6440.2%2015-07-20
Dr. Fred E. Cohen,M.D.,D.Phil.N/A103,0940.14%2015-05-29
Dr. William P. SheridanSenior VP - CMO95,1230.13%2015-06-19
Ms. Alane BarnesVP, General Counsel & Corp Sec68,876less than 0.1%2015-06-19
Dr. J. Claude Bennett,M.D.COO65,730less than 0.1%2007-09-04
Dr. Charles E. Bugg,PhDChairman62,439less than 0.1%2006-03-03

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Baker Bros Advisors LP   Premium Plus11,577,2992015-06-3015.961.52172,849
Fidelity Management and Research Company   Premium Plus9,552,1312015-06-3013.170.02142,613
Wellington Management Company LLP   Premium Plus6,981,5712015-06-309.630.03104,235
State Street Corp   Premium Plus3,210,2082015-06-304.430.0147,927
Fidelity® OTC Portfolio2,910,9642015-06-304.010.3343,461
BlackRock Fund Advisors   Premium Plus2,823,7182015-06-303.890.0142,158
RA Capital Management, LLC   Premium Plus2,605,3612015-06-303.593.9138,898
Vanguard Group, Inc.   Premium Plus2,469,7272015-06-303.41N/A36,873
RTW INVESTMENTS, LLC   Premium Plus2,261,3612015-06-303.129.8333,762
D. E. Shaw & Co LP   Premium Plus2,168,2522015-06-302.990.0532,372

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