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Seattle Genetics Inc (SGEN) Ownership Data

Short Interest History (%)

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

Date Short Interest
June 15, 201530.78
May 29, 201529.51
May 15, 201529.23
April 30, 201529.62
April 15, 201529.5
March 31, 201530.18
March 13, 201527.08
February 27, 201528.97
February 13, 201528.38
January 30, 201528.97
January 15, 201528.2
December 31, 201428.58
December 15, 201428.8
November 28, 201426.99
November 14, 201425.83
October 31, 201424.12
October 15, 201423.28
September 30, 201422.94
September 15, 201425.22
August 29, 201424.74
August 15, 201424.57
July 31, 201425.09
July 15, 201424.64
June 30, 201424.7
June 13, 201425.83
May 30, 201423.86
May 15, 201422.36
April 30, 201421.19
April 15, 201421.74
March 31, 201423.05
March 14, 201419.61
February 28, 201419.84
February 14, 201419.73
January 31, 201419.24
January 15, 201418.72
December 31, 201318.86
December 13, 201318.93
November 29, 201319.13
November 15, 201318.11
October 31, 201317.06
October 15, 201316.47
September 30, 201317.53
September 13, 201319.11
August 30, 201319.13
August 15, 201319.22
July 31, 201319.89
July 15, 201318.73
June 28, 201321.61
June 14, 201321.47
May 31, 201320.98
May 15, 201321.37
April 30, 201322.68
April 15, 201324.24
March 28, 201326.16
March 15, 201341.34
February 28, 201342.22
February 15, 201341.98
January 31, 201342.6
January 15, 201341.42
December 31, 201240.66
December 14, 201241.32
November 30, 201242.94
November 15, 201242.96
October 31, 201242.68
October 15, 201244.42
September 28, 201245.56
September 14, 201247.6
August 31, 201251.03
August 15, 201252.19
July 31, 201252.86
July 13, 201253.27
June 29, 201254.37
June 15, 201256.21
May 31, 201259.04
May 15, 201257.8
April 30, 201257.06
April 13, 201257.88
March 30, 201257.73
March 15, 201237.63
February 29, 201236.96
February 15, 201236.65
January 31, 201236.14
January 13, 201234.78
December 30, 201132.83
December 15, 201131.37
November 30, 201130.87
November 15, 201130.76
October 31, 201128.23
October 14, 201131.23
September 30, 201134.58
September 15, 201136.39
August 31, 201134.28
August 15, 201130.53
July 29, 201130.31
July 15, 201128.31
June 30, 201126.28
June 15, 201125.66
May 31, 201124.78
May 13, 201122.91
April 29, 201122.28
April 15, 201122.04
March 31, 201120.33
March 15, 201130.02
February 28, 201130.26
February 15, 201129.12
January 31, 201128.05
January 14, 201127.53
December 31, 201025.58
December 15, 201026.13
November 30, 201024.44
November 15, 201022.68
October 29, 201022.96
October 15, 201022.02
September 30, 201018.8
September 15, 201017.76
August 31, 201017.32
August 13, 201016.38
July 30, 201016.84
July 15, 201017.54
June 30, 201015.99
June 15, 201016.64
May 28, 201016.42
May 14, 201017.28
April 30, 201016.03
April 15, 201016.59
March 31, 201015.76
March 15, 20108.34
February 26, 20108.47
February 12, 20108.41
January 29, 20107.47
January 15, 20107.39
December 31, 20097.39
December 15, 20096.21
November 30, 20096.17
November 13, 20095.89
October 30, 20095.43
October 15, 20095.13
September 30, 20095.6
September 15, 20096.19
August 31, 20095.83
August 14, 20096.65
July 31, 20096.12
July 15, 20096.34
June 30, 20095.9
June 15, 20096.28
May 29, 20096.77
May 15, 20096.4
April 30, 20096.49
April 15, 20096.7
March 31, 20096.98
March 13, 20096.8
February 27, 20095.84
February 13, 20095.93
January 30, 20096.3
January 15, 20095.95
December 31, 20085.85
December 15, 20086.98
November 28, 20087.34
November 14, 20087.73
October 31, 20088.21
October 15, 20088.35
September 30, 20088.71
September 15, 20089.59
August 29, 20089.49
August 15, 200810.01
July 31, 200810.64
July 15, 200811.74
June 30, 200811.18
June 13, 200811.13
May 30, 20089.53
May 15, 20089.2
April 30, 20088.97
April 15, 20088.95
March 31, 20089.76
March 14, 20089.92
February 29, 200811.53
February 15, 200810.55
January 31, 20087.81
January 15, 20088.21
December 31, 20077.94
December 11, 20078.36
November 27, 20077.41
November 9, 20077.32
October 26, 20076.5
October 10, 20076.3
September 25, 20076.84
September 11, 20077.29
August 10, 20077.79
July 10, 20077.57
June 12, 20074.26
May 10, 20073.7
April 10, 20073.45
March 12, 20072.52
February 12, 20073.21
January 9, 20073.01
December 12, 20062.6
November 10, 20062.37
October 10, 20062.41
September 12, 20062.06
August 10, 20062.07
July 11, 20062.29
June 12, 20063.49
May 10, 20063.02
April 10, 20063.44
March 10, 20063.25
February 10, 20063.27
January 10, 20062.85
December 12, 20053.02
November 10, 20053.38
October 11, 20053.29
September 12, 20053.4
August 10, 20053.46
July 12, 20054.2
June 10, 20053.88
May 10, 20054.01
April 12, 20052.98
March 10, 20052.64
February 10, 20052.53
January 11, 20052.16
December 10, 20042.26
November 10, 20043.8
October 12, 20045.15
September 10, 20044.71
August 10, 20044.43
July 12, 20043.8
June 9, 20043.51
May 11, 20042.62
April 12, 20041.84
March 10, 20041.56
February 10, 20041.2
January 12, 20040.8
December 10, 20030.34
November 11, 20030.33
October 10, 20030.4
September 10, 20030.39
August 12, 20030.26
July 10, 20030.26
June 10, 20030.43
May 12, 20030.62
April 10, 20030.26
March 11, 20030.18
February 11, 20030.17
January 10, 20030.12
December 10, 20020.14
November 12, 20020.1
October 10, 20020.1
September 10, 20020.23
August 12, 20020.53
July 10, 20020.66
June 11, 20020.15
May 10, 20020.23
April 10, 20020.54
March 12, 20020.54
February 12, 20020.54
January 10, 20020.56
December 11, 20010.56
November 12, 20010.62
October 10, 20011.12
September 5, 20011.29
August 10, 20010.7
July 10, 20010.73
June 12, 20010.67
May 10, 20010.47

Institutional Ownership History (%)

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

Date Institutional Ownership
March 31, 201199
December 31, 2010100
September 30, 201094
June 30, 201094
March 31, 201094
September 30, 200996
June 30, 200996
December 31, 200887
September 30, 200896
June 30, 200890
March 31, 200895
December 31, 200791
September 30, 200774
June 30, 200757
March 31, 200761
December 31, 200658
September 30, 200657
June 30, 200661
March 31, 200671
December 31, 200555
September 30, 200554
June 30, 200554
March 31, 200549
December 31, 200452
September 30, 200453
June 30, 200451
March 31, 200451
December 31, 200337
September 30, 200336
June 30, 200331
March 31, 200332
December 31, 200232
September 30, 200266
June 30, 200254
March 31, 200230
December 31, 200131
September 30, 200131
June 30, 200126
March 31, 200133

Insider ownership (%)

This is the historical insider ownership of Seattle Genetics 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
April 30, 20151
March 31, 20151
February 28, 20151
January 31, 20151
December 31, 20142
November 30, 20141
October 31, 20141
September 30, 20141
August 31, 20141
July 31, 20141
June 30, 20141
May 31, 20142
March 31, 20142
February 28, 20142
January 31, 20142
December 31, 20132
November 30, 20132
October 31, 20132
September 30, 20132
August 31, 20132
July 31, 20132
June 30, 20132
May 31, 20132
April 30, 20132
March 31, 20132
January 31, 20132
November 30, 20122
October 31, 20122
September 30, 20122
August 31, 20122
July 31, 20122
June 30, 20122
May 31, 20121
April 30, 20121
March 31, 20121
February 29, 20121
January 31, 20121
December 31, 20111
November 30, 20111
October 31, 20111
September 30, 20111
August 31, 20111
July 31, 20111
June 30, 20111
May 31, 20111
April 30, 20111
March 31, 20111
February 28, 20111
January 31, 20111
December 31, 20101
November 30, 20101
October 31, 20101
September 30, 20101
August 31, 20101
July 31, 20101
June 30, 20101
May 31, 20101
April 30, 20101
March 31, 20101
February 28, 20103
January 31, 20103
December 31, 20093
November 30, 20093
October 31, 20093
September 30, 20093
August 31, 20094
July 31, 20094
June 30, 20094
May 31, 20094
April 30, 20094
March 31, 20094
February 28, 20094
January 31, 20094
December 31, 20084
November 30, 20084
October 31, 20084
September 30, 20084
August 31, 20084
July 31, 20084
June 30, 20084
May 31, 20084
April 30, 20082
March 31, 20082
February 29, 20082
January 31, 20082
December 31, 20072
November 30, 20072
October 31, 20072
September 30, 20072
August 31, 20072
July 31, 20072
June 30, 20072
May 31, 20072
April 30, 20072
March 31, 20072
February 28, 20072
January 31, 20073
December 31, 20063
November 30, 20063
October 31, 20063
September 30, 20063
June 30, 20063
May 31, 20063
April 30, 20063
March 31, 20063
February 28, 20065
January 31, 20065
December 31, 20055
November 30, 20055
October 31, 20055
September 30, 20055
August 31, 20055
July 31, 200510
June 30, 200510
May 31, 200511
April 30, 20059
March 31, 20059
February 28, 200513
January 31, 200516
December 31, 200416
November 30, 200418
October 31, 200418
September 30, 200418
August 31, 200418
July 31, 200418
June 30, 200418
May 31, 200418
April 30, 200419
March 31, 200423
February 29, 200423

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Clay B. Siegall,PhDPresident and CEO557,0220.45%2015-05-08
Franklin M. BergerDirector204,7200.16%2014-02-21
Todd E. SimpsonCFO168,6990.14%2014-08-24
Dr. Marc E. Lippman,M.D.Director128,6500.1%2015-05-15
Dr. Felix J. Baker,PhDDirector, 10% Owner107,504less than 0.1%2015-05-19
Eric L. DobmeierCOO82,777less than 0.1%2015-05-08
Christopher S. BoernerExecutive Vice President, Comm72,358less than 0.1%2014-08-24
Dr. Vaughn B. Himes,PhDEVP, Proc Svcs & Tech Ops67,209less than 0.1%2015-03-12
Jonathan G. DrachmanCMO & EVP, R & D66,481less than 0.1%2014-08-24
Tim J. CarrollCFO62,861less than 0.1%2005-05-03

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Baker Bros Advisors LLC   Premium Plus28,876,7122015-03-3123.148.491,020,792,000
Fidelity Management and Research Company   Premium Plus18,636,4562015-03-3114.930.09658,799,000
Baillie Gifford & Co Limited.   Premium Plus15,253,5202015-03-3112.221.02539,213,000
PRIMECAP Management Company Premium11,836,5752015-03-319.480.41418,423,000
Fidelity® Growth Company Fund8,138,6842015-04-306.520.66279,482,409
Vanguard Group, Inc.   Premium Plus6,135,2432015-03-314.920.01216,881,000
PrimeCap Odyssey Growth Fund4,916,9002015-03-313.943.14173,812,415
Wasatch Advisors Inc.   Premium Plus3,462,7492015-03-312.771.27122,408,000
Columbia Wanger Asset Management LLC Premium3,408,2002015-03-312.730.66120,480,000
PrimeCap Odyssey Aggressive Growth Fund3,270,9002015-03-312.621.70115,626,315

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