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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 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, 20091.76
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, 20061.82
October 10, 20062.03
September 12, 20061.78
August 10, 20061.43
July 11, 20061.42
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, 20050.81
January 11, 20050.99
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, 20042.17
January 12, 20042.67
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, 20033.29
February 11, 20033.21
January 10, 20033.57
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, 20022.42
February 12, 20022.49
January 10, 20022.28
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, 20012.19
February 12, 20011.9
January 9, 20012.11
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, 20002.99
February 10, 20002.77
January 11, 20003.4
December 10, 19993.39
November 10, 19992.48
October 12, 19992.54
September 10, 19992.4
August 10, 19992.51
July 12, 19992.73
June 10, 19992.42
May 11, 19992.63
April 12, 19992.83
March 10, 19994.28
February 9, 19994.44
January 8, 19994.41
December 8, 19984.62
November 6, 19984.02
October 8, 19983.88
September 8, 19985.02
August 7, 19984.93
July 8, 19984.54
June 8, 19983.53
May 8, 19983.98
April 7, 19984.27
March 6, 19984.7
February 6, 19984.57
January 8, 19984.69
December 8, 19974.01
November 7, 19974.36
October 8, 19974.2
September 8, 19974.1
August 8, 19974.64
July 8, 19974.14
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
January 31, 201594
December 31, 201493
November 30, 201494
October 31, 201494
September 30, 201494
August 31, 201493
July 31, 201494
June 30, 201491
May 31, 201492
April 30, 201492
March 31, 201492
February 28, 201492
January 31, 201492
December 31, 201392
November 30, 201394
October 31, 201394
September 30, 201392
August 31, 201392
July 31, 201391
June 30, 201393
May 31, 201385
April 30, 201385
March 31, 201384
February 28, 201384
January 31, 201384
December 31, 201285
November 30, 201285
October 31, 201285
September 30, 201290
August 31, 201289
July 31, 201289
June 30, 201285
May 31, 201284
April 30, 201284
March 31, 201285
February 29, 201290
January 31, 201289
December 31, 201193
November 30, 201193
October 31, 201193
September 30, 201193
August 31, 201193
July 31, 201194
June 30, 201195
May 31, 201192
April 30, 201190
March 31, 201192
February 28, 201191
January 31, 201192
December 31, 201090
November 30, 201091
October 31, 201088
September 30, 201089
August 31, 201089
July 31, 201086
June 30, 201088
May 31, 201092
April 30, 201089
March 31, 201088
February 28, 201088
January 31, 201088
December 31, 200990
November 30, 200991
September 30, 200987
August 31, 200987
July 31, 200988
June 30, 200985
May 31, 200985
April 30, 200985
March 31, 200984
February 28, 200985
January 31, 200980
December 31, 200879
November 30, 200879
October 31, 200878

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, 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. NicholasDirector3,462,5490.26%2015-01-02
Mr. Michael F. MahoneyPresident & CEO1,197,416less than 0.1%2015-02-24
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 Officer305,721less than 0.1%2015-02-24
Dr. Ernest Mario,PhDDirector261,032less than 0.1%2014-12-01
Mr. Lawrence C. BestEVP and CFO242,189less than 0.1%2007-07-01
Mr. Keith D DawkinsEVP, Global Chief Med. Off.171,061less than 0.1%2015-02-24
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
Fidelity Management and Research Company198,973,4772014-12-3114.990.002,636,398,570
Vanguard Group, Inc.101,699,4122014-12-317.660.101,347,517,000
Wellington Management Company LLP70,746,1092014-12-315.330.25937,386,000
Vanguard Health Care Fund59,624,8002014-12-314.491.77790,028,600
Capital World Investors58,311,2002014-12-314.390.21772,623,400
State Street Corp56,228,4532014-12-314.240.07745,029,000
J.P. Morgan Investment Management Inc.49,651,4112014-12-313.740.28657,882,000
PRIMECAP Management Company46,957,3492014-12-313.540.63622,185,000
BlackRock Fund Advisors40,256,9582014-12-313.030.07533,405,000
Bollard Group LLC33,618,7342014-12-312.5339.32445,448,000

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