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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
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
June 30, 201595
March 31, 201590
December 31, 201491
September 30, 201490
June 30, 201492
March 31, 201488
December 31, 201390
September 30, 201390
June 30, 201389
March 31, 201387
December 31, 201286
September 30, 201285
June 30, 201286
March 31, 201287
December 31, 201190
September 30, 201188
June 30, 201188
March 31, 201189
December 31, 201092
September 30, 201088
June 30, 201087
March 31, 201085
December 31, 200995
September 30, 200986
June 30, 200986
March 31, 200997
December 31, 200886
September 30, 200880
June 30, 200879
March 31, 200879
December 31, 200771
September 30, 200770
June 30, 200773
March 31, 200772
December 31, 200668
September 30, 200667
June 30, 200667
March 31, 200672
December 31, 200557
September 30, 200555
June 30, 200556
March 31, 200557
December 31, 200458
September 30, 200460
June 30, 200460
March 31, 200460
September 30, 200361
March 31, 200381
December 31, 200297
September 30, 200256
June 30, 200259
March 31, 200255
December 31, 200157
September 30, 200153
June 30, 200153
March 31, 200155
December 31, 200050
September 30, 200048
June 30, 200048
March 31, 200047

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
July 31, 20151
June 30, 20151
May 31, 20151
April 30, 20151
March 31, 20151
February 28, 20151
January 31, 20151
December 31, 20141
November 30, 20141
October 31, 20141
September 30, 20141
August 31, 20141
July 31, 20141
June 30, 20141
May 31, 20141
March 31, 20141
February 28, 20141
January 31, 20141
December 31, 20131
November 30, 20131
October 31, 20131
September 30, 20131
August 31, 20131
July 31, 20131
June 30, 20131
May 31, 20131
April 30, 20131
March 31, 20131
January 31, 20131
November 30, 20121
October 31, 20121
September 30, 20121
August 31, 20121
July 31, 20121
June 30, 20121
May 31, 20121
April 30, 20121
March 31, 20122
February 29, 20122
January 31, 20122
December 31, 20112
November 30, 20112
October 31, 20112
September 30, 20112
August 31, 20112
July 31, 20112
June 30, 20112
May 31, 20112
April 30, 20112
March 31, 20112
February 28, 20112
January 31, 20112
December 31, 20102
November 30, 20102
October 31, 20102
September 30, 20102
August 31, 20102
July 31, 20102
June 30, 20102
May 31, 20102
April 30, 20102
March 31, 20102
February 28, 20102
January 31, 20102
December 31, 20092
November 30, 20092
October 31, 20092
September 30, 20092
August 31, 20092
July 31, 20092
June 30, 20092
May 31, 20092
April 30, 20092
March 31, 20093
February 28, 20093
January 31, 20093
December 31, 20083
November 30, 20083
October 31, 20084
September 30, 20085
August 31, 20085
July 31, 20085
June 30, 20085
May 31, 20085
April 30, 200810
March 31, 200810
February 29, 200810
January 31, 20089
December 31, 20079
November 30, 20079
October 31, 20079
September 30, 20079
August 31, 20079
July 31, 20079
June 30, 20079
May 31, 20079
April 30, 20079
March 31, 20079
February 28, 20079
January 31, 20079
December 31, 20069
November 30, 20069
October 31, 20069
September 30, 20069
June 30, 20069
May 31, 20069
April 30, 20069
March 31, 200616
February 28, 200616
January 31, 200616
December 31, 200516
November 30, 200516
October 31, 200516
September 30, 200516
August 31, 200516
July 31, 200516
June 30, 200516
May 31, 200516
April 30, 200516
March 31, 200516
February 28, 200516
January 31, 200516
December 31, 200416
November 30, 200416
October 31, 200416
September 30, 200416
August 31, 200416
July 31, 200416
June 30, 200416
May 31, 200416
April 30, 200416
March 31, 200416
February 29, 200413

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Pete M. NicholasDirector3,478,1310.26%2015-07-01
Mr. Michael F. MahoneyPresident & CEO1,254,583less than 0.1%2015-02-27
Mr. J. Raymond ElliottPresident and CEO603,676less than 0.1%2011-12-31
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 Officer322,893less than 0.1%2015-02-27
Mr. Lawrence C. BestEVP and CFO242,189less than 0.1%2007-07-01
Dr. Ernest Mario,PhDDirector211,032less than 0.1%2015-05-18
Mr. Keith D DawkinsEVP, Global Chief Med. Off.180,783less than 0.1%2015-02-27
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 Plus193,022,7392015-06-3014.400.473,416,502
Vanguard Group, Inc.   Premium Plus89,784,1662015-06-306.700.111,589,180
Wellington Management Company LLP   Premium Plus81,374,7582015-06-306.070.371,440,334
Capital World Investors   Premium Plus70,069,1862015-06-305.230.341,240,225
Vanguard Health Care Fund59,624,8002015-06-304.452.011,055,359
State Street Corp   Premium Plus52,311,3072015-06-303.900.10925,913
PRIMECAP Management Company Premium46,097,5642015-06-303.440.80815,927
BlackRock Fund Advisors   Premium Plus38,223,1072015-06-302.850.10676,549
Bollard Group LLC   Premium Plus33,618,7342015-06-302.5144.95595,052
J.P. Morgan Investment Management Inc.   Premium Plus31,207,0682015-06-302.330.24552,365

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