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Boston Scientific Inc (BSX) Ownership Data

Short Interest History (%)

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

Date Short Interest
January 29, 20162.37
January 15, 20162.66
December 31, 20152.42
December 15, 20152.46
November 30, 20152.16
November 13, 20152.83
October 30, 20152.81
October 15, 20153
September 30, 20152.52
September 15, 20152.26
August 31, 20152.21
August 14, 20152.02
July 31, 20152.08
July 15, 20151.79
June 30, 20151.79
June 15, 20152.34
May 29, 20152.07
May 15, 20152.35
April 30, 20152.26
April 15, 20152.36
March 31, 20152.26
March 13, 20152.18
February 27, 20152
February 13, 20152.07
January 30, 20152.65
January 15, 20153.19
December 31, 20142.8
December 15, 20142.9
November 28, 20142.72
November 14, 20142.92
October 31, 20143.3
October 15, 20143.08
September 30, 20142.96
September 15, 20142.73
August 29, 20143.03
August 15, 20143.42
July 31, 20142.47
July 15, 20142.53
June 30, 20142.31
June 13, 20141.72
May 30, 20141.79
May 15, 20142.01
April 30, 20141.78
April 15, 20141.76
March 31, 20141.64
March 14, 20141.85
February 28, 20141.63
February 14, 20141.6
January 31, 20141.8
January 15, 20141.81
December 31, 20131.92
December 13, 20132.02
November 29, 20132.26
November 15, 20132.18
October 31, 20132.14
October 15, 20132.59
September 30, 20132.92
September 13, 20132.94
August 30, 20133.12
August 15, 20133.02
July 31, 20133.13
July 15, 20133.25
June 28, 20132.86
June 14, 20132.74
May 31, 20132.52
May 15, 20132.81
April 30, 20132.52
April 15, 20132.57
March 28, 20132.1
March 15, 20132.39
February 28, 20132.26
February 15, 20131.9
January 31, 20131.45
January 15, 20131.16
December 31, 20121.02
December 14, 20121.25
November 30, 20120.91
November 15, 20120.83
October 31, 20120.83
October 15, 20120.97
September 28, 20120.93
September 14, 20120.8
August 31, 20120.77
August 15, 20120.72
July 31, 20121
July 13, 20120.84
June 29, 20120.94
June 15, 20121.47
May 31, 20121.61
May 15, 20121.52
April 30, 20121.86
April 13, 20122.16
March 30, 20122.24
March 15, 20122.48
February 29, 20122.34
February 15, 20122.37
January 31, 20122.36
January 13, 20122.44
December 30, 20112.44
December 15, 20113.31
November 30, 20113.17
November 15, 20113.12
October 31, 20112.8
October 14, 20112.92
September 30, 20113.61
September 15, 20113.57
August 31, 20113.39
August 15, 20113.37
July 29, 20113.48
July 15, 20113.35
June 30, 20113.39
June 15, 20113.65
May 31, 20113.56
May 13, 20113.72
April 29, 20113.5
April 15, 20113.79
March 31, 20113.46
March 15, 20114.01
February 28, 20113.74
February 15, 20113.25
January 31, 20113.42
January 14, 20113.72
December 31, 20104.15
December 15, 20103.38
November 30, 20103.29
November 15, 20103.17
October 29, 20103.08
October 15, 20103.56
September 30, 20103.52
September 15, 20103.86
August 31, 20104.48
August 13, 20104.39
July 30, 20103.41
July 15, 20103.43
June 30, 20102.88
June 15, 20102.44
May 28, 20102.44
May 14, 20102.31
April 30, 20102
April 15, 20101.82
March 31, 20101.81
March 15, 20101.58
February 26, 20101.41
February 12, 20100.97
January 29, 20101.18
January 15, 20100.89
December 31, 20090.74
December 15, 20090.99
November 30, 20090.79
November 13, 20090.69
October 30, 20091.37
October 15, 20091.77
September 30, 20092.09
September 15, 20092.01
August 31, 20091.65
August 14, 20091.85
July 31, 20091.81
July 15, 20091.98
June 30, 20091.9
June 15, 20091.73
May 29, 20091.71
May 15, 20091.71
April 30, 20091.61
April 15, 20091.84
March 31, 20091.81
March 13, 20091.78
February 27, 20091.51
February 13, 20091.75
January 30, 20092.15
January 15, 20092.1
December 31, 20081.82
December 15, 20081.62
November 28, 20081.67
November 14, 20081.63
October 31, 20081.84
October 15, 20082.15
September 30, 20082.76
September 15, 20081.88
August 29, 20081.83
August 15, 20081.7
July 31, 20081.66
July 15, 20081.81
June 30, 20081.82
June 13, 20081.91
May 30, 20081.95
May 15, 20082.09
April 30, 20082.2
April 15, 20082.53
March 31, 20083.1
March 14, 20083.94
February 29, 20083.49
February 15, 20083.16
January 31, 20083.12
January 15, 20082.81
December 31, 20072.76
December 11, 20072.61
November 27, 20072.55
November 9, 20072.37
October 26, 20072.68
October 10, 20072.61
September 25, 20072.74
September 11, 20072.62
August 10, 20072.6
July 10, 20072.26
June 12, 20072.16
May 10, 20071.62
April 10, 20071.46
March 12, 20071.42
February 12, 20071.25
January 9, 20071.75
December 12, 20061.47
November 10, 20061.83
October 10, 20062.02
September 12, 20061.78
August 10, 20061.43
July 11, 20061.41
June 12, 20061.1
May 10, 20061.36
April 10, 20068.29
March 10, 20064.83
February 10, 20062.65
January 10, 20061.87
December 12, 20051.29
November 10, 20051.03
October 11, 20050.89
September 12, 20051.21
August 10, 20050.98
July 12, 20050.74
June 10, 20050.9
May 10, 20050.9
April 12, 20050.93
March 10, 20050.94
February 10, 20050.82
January 11, 20051
December 10, 20041.04
November 10, 20040.92
October 12, 20041.42
September 10, 20041.87
August 10, 20041.44
July 12, 20041.56
June 9, 20041.7
May 11, 20041.69
April 12, 20041.97
March 10, 20041.85
February 10, 20042.15
January 12, 20042.64
December 10, 20032.94
November 11, 20033.35
October 10, 20033.27
September 10, 20032.98
August 12, 20033.3
July 10, 20033.8
June 10, 20034.29
May 12, 20033.43
April 10, 20033.45
March 11, 20033.27
February 11, 20033.18
January 10, 20033.54
December 10, 20023.17
November 12, 20023.2
October 10, 20023
September 10, 20022.64
August 12, 20022.64
July 10, 20022.56
June 11, 20022.4
May 10, 20022.3
April 10, 20022.87
March 12, 20022.41
February 12, 20022.48
January 10, 20022.27
December 11, 20012.33
November 12, 20012.01
October 10, 20012.18
September 5, 20011.93
August 10, 20012.07
July 10, 20012.13
June 12, 20012.33
May 10, 20012.22
April 9, 20012.12
March 12, 20012.22
February 12, 20011.92
January 9, 20012.14
December 12, 20001.76
November 10, 20001.64
October 10, 20001.67
September 12, 20002.4
August 10, 20002.38
July 11, 20002.55
June 12, 20002.81
May 10, 20003.3
April 11, 20002.72
March 10, 20002.89
February 10, 20002.67
January 11, 20003.28
December 10, 19993.24
November 10, 19992.37
October 12, 19992.42
September 10, 19992.29
August 10, 19992.4
July 12, 19992.61
June 10, 19992.42
May 11, 19992.62
April 12, 19992.82
March 10, 19994.24
February 9, 19994.39
January 8, 19994.37
December 8, 19984.6
November 6, 19984.01
October 8, 19983.87
September 8, 19984.98
August 7, 19984.89
July 8, 19984.51
June 8, 19983.53
May 8, 19983.98
April 7, 19984.27
March 6, 19984.34
February 6, 19984.22
January 8, 19984.33
December 8, 19973.69
November 7, 19974
October 8, 19973.85
September 8, 19973.78
August 8, 19974.28
July 8, 19973.81
June 6, 19974.5
May 8, 19974.18
April 8, 19974.13
March 7, 19976.85
February 7, 19976.13
January 8, 19974.47
December 6, 19963.01
November 8, 19962.93
October 8, 19962.78
September 6, 19962.3
August 8, 19962.25
July 8, 19961.84
June 7, 19961.46
May 8, 19961.48
April 8, 19961.08
March 8, 19961.15
February 8, 19962.58
January 8, 19963.27
December 8, 19955.14
November 8, 19954.55
October 6, 19954
September 8, 19953.49
August 8, 19953.07
July 7, 19953.41
June 8, 19953.67
May 8, 19953.74
April 6, 19954.2
March 8, 19957.91
February 8, 19958.5
January 6, 19956.59

Institutional Ownership History (%)

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

Date Institutional Ownership
September 30, 201595.98
June 30, 201592.34
March 31, 201589.8
December 31, 201491.44
September 30, 201491.23
June 30, 201492.93
March 31, 201488.44
December 31, 201390.3
September 30, 201390.49
June 30, 201388.9
March 31, 201387.43
December 31, 201286.55
September 30, 201286.11
June 30, 201286.39
March 31, 201287.91
December 31, 201190.1
September 30, 201188.22
June 30, 201187.97
March 31, 201189.09
December 31, 201091.5
September 30, 201088.16
June 30, 201087.3
March 31, 201085.46
December 31, 200995.28
September 30, 200985.6
June 30, 200985.84
March 31, 200996.76
December 31, 200886.34
September 30, 200879.53
June 30, 200879.2
March 31, 200878.81
December 31, 200771.28
September 30, 200769.86
June 30, 200772.68
March 31, 200771.79
December 31, 200668.42
September 30, 200667.29
June 30, 200667.74
March 31, 200672.71
December 31, 200556.62
September 30, 200555.63
June 30, 200556.32
March 31, 200556.96
December 31, 200457.91
September 30, 200459.71
June 30, 200460.48
March 31, 200460.31
September 30, 200361.12
March 31, 200381.25
December 31, 200297.42
September 30, 200256.23
June 30, 200259.22
March 31, 200255.48
December 31, 200156.7
September 30, 200152.96
June 30, 200152.96
March 31, 200155.15
December 31, 200049.97
September 30, 200047.72
June 30, 200048.15
March 31, 200047.11

Insider ownership (%)

This is the historical insider ownership of Boston Scientific 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, 20160.79
December 31, 20150.72
November 30, 20150.76
October 31, 20150.78
September 30, 20150.77
August 31, 20150.77
July 31, 20150.77
June 30, 20150.77
May 31, 20150.77
April 30, 20150.77
March 31, 20150.78
February 28, 20150.78
January 31, 20150.74
December 31, 20140.66
November 30, 20140.7
October 31, 20140.71
September 30, 20140.69
August 31, 20140.69
July 31, 20140.69
June 30, 20140.69
May 31, 20140.69
March 31, 20140.6
February 28, 20140.6
January 31, 20140.57
December 31, 20130.57
November 30, 20130.57
October 31, 20130.59
September 30, 20130.58
August 31, 20130.58
July 31, 20130.59
June 30, 20130.59
May 31, 20130.58
April 30, 20130.59
March 31, 20130.58
January 31, 20130.56
November 30, 20120.55
October 31, 20120.55
September 30, 20120.53
August 31, 20120.53
July 31, 20120.67
June 30, 20120.87
May 31, 20121.09
April 30, 20121.28
March 31, 20121.51
February 29, 20121.74
January 31, 20121.73
December 31, 20111.73
November 30, 20111.71
October 31, 20111.7
September 30, 20111.7
August 31, 20111.69
July 31, 20111.69
June 30, 20111.69
May 31, 20111.69
April 30, 20111.68
March 31, 20111.68
February 28, 20111.68
January 31, 20111.58
December 31, 20101.58
November 30, 20101.56
October 31, 20101.56
September 30, 20101.62
August 31, 20101.65
July 31, 20101.66
June 30, 20101.66
May 31, 20101.66
April 30, 20101.64
March 31, 20101.66
February 28, 20101.85
January 31, 20101.83
December 31, 20091.89
November 30, 20091.97
October 31, 20092.05
September 30, 20092.4
August 31, 20092.4
July 31, 20092.39
June 30, 20092.42
May 31, 20092.44
April 30, 20092.49
March 31, 20092.65
February 28, 20092.91
January 31, 20092.99
December 31, 20083.12
November 30, 20083.25
October 31, 20083.54
September 30, 20084.73
August 31, 20084.73
July 31, 20084.74
June 30, 20084.73
May 31, 20084.73
April 30, 20089.6
March 31, 20089.6
February 29, 20089.53
January 31, 20089.18
December 31, 20079.19
November 30, 20079.18
October 31, 20079.18
September 30, 20079.19
August 31, 20079.19
July 31, 20079.19
June 30, 20079.23
May 31, 20079.23
April 30, 20079.25
March 31, 20079.27
February 28, 20079.29
January 31, 20078.96
December 31, 20068.97
November 30, 20068.97
October 31, 20068.97
September 30, 20068.98
June 30, 20069.03
May 31, 20069.03
April 30, 20069.03
March 31, 200616.05
February 28, 200616.06
January 31, 200616.08
December 31, 200516.08
November 30, 200516.1
October 31, 200516.1
September 30, 200516.08
August 31, 200516.08
July 31, 200516.08
June 30, 200515.83
May 31, 200515.83
April 30, 200515.83
March 31, 200515.8
February 28, 200515.73
January 31, 200515.59
December 31, 200415.74
November 30, 200415.74
October 31, 200415.71
September 30, 200415.75
August 31, 200415.75
July 31, 200415.75
June 30, 200415.88
May 31, 200415.87
April 30, 200415.87
March 31, 200415.9
February 29, 200412.55

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Pete M. NicholasDirector3,484,1940.26%2016-01-04
Mr. Michael F. MahoneyPresident & CEO1,579,0390.12%2016-01-01
Mr. J. Raymond ElliottPresident and CEO603,676less than 0.1%2011-12-31
Mr. James R. TobinPresident and CEO550,000less than 0.1%2008-10-09
Sam R. LenoCFO & EVP Finance & IS432,240less than 0.1%2011-06-06
Timothy A. PrattEVP, GC & Chief Admin Officer303,776less than 0.1%2016-01-08
Mr. Lawrence C. BestEVP and CFO242,189less than 0.1%2007-07-01
Mr. Keith D DawkinsEVP, Global Chief Med. Off.193,989less than 0.1%2016-01-01
Supratim BoseN/A165,623less than 0.1%2016-01-01
Prof. Dr. Uwe E. Reinhardt,PhDN/A159,379less than 0.1%2014-10-31

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Fidelity Management and Research Company   Premium Plus199,028,6592015-09-3014.800.503,266,060
Vanguard Group Inc   Premium Plus92,183,9272015-09-306.850.111,512,739
Wellington Management Company LLP   Premium Plus88,669,5762015-09-306.590.401,455,069
Janus Capital Management LLC   Premium Plus77,545,2142015-09-305.770.861,272,530
Capital World Investors   Premium Plus67,153,8632015-09-304.990.321,101,995
Vanguard Health Care Fund64,108,6902015-09-304.772.171,052,024
State Street Corp   Premium Plus52,011,9622015-09-303.870.10853,520
PRIMECAP Management Company Premium43,608,3642015-09-303.240.79715,613
BlackRock Fund Advisors   Premium Plus38,051,2472015-09-302.830.10624,421
J.P. Morgan Investment Management Inc.   Premium Plus35,007,1882015-10-132.60N/A574,468

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