Switch to:

Isis Pharmaceuticals (ISIS)Ownership Data

Short Interest History (%)

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

Date Short Interest
January 30, 201515.32
January 15, 201517.47
December 31, 201415.77
December 15, 201414.64
November 28, 201414.68
November 14, 201415
October 31, 201414.98
October 15, 201414.78
September 30, 201414.86
September 15, 201413.24
August 29, 201413.19
August 15, 201413.55
July 31, 201413
July 15, 201412.04
June 30, 201413.45
June 13, 201412.55
May 30, 201411.94
May 15, 201412.78
April 30, 201411.63
April 15, 201412.07
March 31, 201412.56
March 14, 201414.63
February 28, 201412.91
February 14, 201411.68
January 31, 201411.35
January 15, 201412.15
December 31, 201312.38
December 13, 201312.59
November 29, 201313.44
November 15, 201312.98
October 31, 201313.09
October 15, 201313.61
September 30, 201314.37
September 13, 201313.84
August 30, 201314.07
August 15, 201314.93
July 31, 201315.26
July 15, 201315.64
June 28, 201316.32
June 14, 201317.26
May 31, 201315.71
May 15, 201314.78
April 30, 201315.16
April 15, 201316.09
March 28, 201316.52
March 15, 201318.12
February 28, 201317.45
February 15, 201317.77
January 31, 201317.81
January 15, 201317.49
December 31, 201215.72
December 14, 201214.99
November 30, 201214.48
November 15, 201213.8
October 31, 201214.44
October 15, 201213.76
September 28, 201211.13
September 14, 201211.26
August 31, 201211.03
August 15, 201212.01
July 31, 201212.16
July 13, 201212.97
June 29, 201212.95
June 15, 201213.26
May 31, 201213.32
May 15, 201212.29
April 30, 201211.84
April 13, 201211.47
March 30, 201211.18
March 15, 201211.72
February 29, 201210.16
February 15, 201210.45
January 31, 201210.72
January 13, 201210.8
December 30, 201111.17
December 15, 201111.54
November 30, 201112.08
November 15, 201111.8
October 31, 201111.46
October 14, 201111.71
September 30, 201112.17
September 15, 201112.16
August 31, 201112.96
August 15, 201112.68
July 29, 201112.42
July 15, 201112.81
June 30, 201113.22
June 15, 201112.94
May 31, 201113.73
May 13, 201113.94
April 29, 201113.68
April 15, 201112.96
March 31, 201112.28
March 15, 201111.76
February 28, 201111.71
February 15, 201111.76
January 31, 201110.95
January 14, 201110.72
December 31, 201010.73
December 15, 201012
November 30, 201012.47
November 15, 201012.66
October 29, 201012.89
October 15, 201013.16
September 30, 201014.33
September 15, 201014.52
August 31, 201014.95
August 13, 201014.07
July 30, 201012.75
July 15, 201012.45
June 30, 201011.44
June 15, 201012.56
May 28, 201014.01
May 14, 201015.33
April 30, 201014.84
April 15, 201012.74
March 31, 201011.78
March 15, 201011.12
February 26, 201011.33
February 12, 201010.87
January 29, 201010.89
January 15, 201010.59
December 31, 200910.23
December 15, 200910.47
November 30, 200910.49
November 13, 20099.37
October 30, 200910.01
October 15, 20099.55
September 30, 200910.91
September 15, 200911.37
August 31, 200911.35
August 14, 200911.52
July 31, 200911.58
July 15, 200910.37
June 30, 200911.69
June 15, 200912.3
May 29, 200910.42
May 15, 20099.73
April 30, 20099.93
April 15, 20099.86
March 31, 20099.83
March 13, 200910.31
February 27, 200910.64
February 13, 20099.78
January 30, 20099.39
January 15, 20098.91
December 31, 20089.72
December 15, 200810.54
November 28, 200810.74
November 14, 200811.28
October 31, 200811.7
October 15, 200810.62
September 30, 200812.61
September 15, 200815.5
August 29, 200815.77
August 15, 200817.51
July 31, 200817.36
July 15, 200819.47
June 30, 200819.94
June 13, 200820.34
May 30, 200819.48
May 15, 200819.08
April 30, 200818.76
April 15, 200822.67
March 31, 200822.55
March 14, 200821.21
February 29, 200821.33
February 15, 200821.72
January 31, 200819.61
January 15, 200821.37
December 31, 200722.73
December 11, 200722.99
November 27, 200717.56
November 9, 200714.39
October 26, 200712.79
October 10, 200711.96
September 25, 200712.3
September 11, 200713.38
August 10, 200714.93
July 10, 200715.32
June 12, 200713.89
May 10, 200711.78
April 10, 200710.86
March 12, 200710.05
February 12, 20077.98
January 9, 20078.24
December 12, 20068.01
November 10, 20066.83
October 10, 20067.72
September 12, 20068.47
August 10, 20068.45
July 11, 20069.05
June 12, 20069.03
May 10, 20068.31
April 10, 20067.6
March 10, 20067.96
February 10, 20067.13
January 10, 20066.88
December 12, 20056.54
November 10, 20056.13
October 11, 20057.53
September 12, 20057.12
August 10, 20057.75
July 12, 20057.82
June 10, 20057.97
May 10, 20058.15
April 12, 20058.91
March 10, 20059.18
February 10, 20059.73
January 11, 200511.97
December 10, 200411.17
November 10, 200415.54
October 12, 200413.03
September 10, 200411.67
August 10, 20049.52
July 12, 20049.02
June 9, 20049.22
May 11, 20049.16
April 12, 20048.99
March 10, 20049.57
February 10, 200410.27
January 12, 200411.32
December 10, 200310.45
November 11, 20038.73
October 10, 20038.22
September 10, 20038.5
August 12, 200310.53
July 10, 200311.51
June 10, 200312.62
May 12, 200313.36
April 10, 200315.01
March 11, 200317.64
February 11, 200319.29
January 10, 200318.83
December 10, 200217.04
November 12, 200212.27
October 10, 20029.63
September 10, 20028.96
August 12, 20028.5
July 10, 20026.91
June 11, 20027.32
May 10, 20026.93
April 10, 20023.06
March 12, 20023.62
February 12, 20024.95
January 10, 20024.85
December 11, 20015.62
November 12, 20016.98
October 10, 20016.08
September 5, 20017.25
August 10, 20017.99
July 10, 20018.32
June 12, 20018.51
May 10, 20018.46
April 9, 20018.03
March 12, 20018.14
February 12, 20018.09
January 9, 20018.3
December 12, 20008.05
November 10, 20008.07
October 10, 20008.13
September 12, 20008.06
August 10, 20008.14
July 11, 20008.17
June 12, 20008.56
May 10, 20008.17
April 11, 20007.48
February 10, 20008.55
January 11, 20008.69
December 10, 19995.92
November 10, 19993.61
October 12, 19993.18
September 10, 19993.85
August 10, 19993.78
July 12, 19993.8
June 10, 19993.89
May 11, 19993.64
April 12, 19994.11
March 10, 19994.69
February 9, 19993.51
January 8, 19993.73
December 8, 19984.75
November 6, 19985.17
October 8, 19986.23
September 8, 19986.61
August 7, 19989.46
July 8, 19987.33
June 8, 19987.2
May 8, 19987.07
April 7, 19987.67
March 6, 19987.92
January 8, 19988.77
December 8, 19979.63
November 7, 19979.62
October 8, 19979.25
September 8, 19978.96
August 8, 19979
July 8, 19978.63
June 6, 19978.03
May 8, 19977.39
April 8, 19977.43
March 7, 19976.58
February 7, 19976.77
January 8, 19975.64
December 6, 19965.76
November 8, 19964.76
October 8, 19966.13
September 6, 19966.85
August 8, 19965.79
July 8, 19964.35
June 7, 19962.18
May 8, 19961.86
April 8, 19962.35
March 8, 19962.33
February 8, 19962.63
January 8, 19962.72
December 8, 19952.46
November 8, 19952.51
October 6, 19953.54
September 8, 19951.01
August 8, 19951.52
July 7, 19950.79
June 8, 19951.41
May 8, 19950.34
April 6, 19950.14
March 8, 19950.25
February 8, 19950.09
January 6, 19950.13

Institutional Ownership History (%)

This the Institutional Ownership History of Isis PharmaceuticalsPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
January 31, 201599
December 31, 2014100
September 30, 2014100
August 31, 201497
July 31, 201497
June 30, 201498
May 31, 201498
April 30, 201499
February 28, 201495
January 31, 201495
December 31, 201395
November 30, 201395
October 31, 201395
September 30, 201386
August 31, 201386
July 31, 201387
June 30, 201378
May 31, 201376
April 30, 201383
March 31, 201353
February 28, 201377
January 31, 201379
December 31, 201280
November 30, 201278
October 31, 201277
September 30, 201277
August 31, 201275
July 31, 201276
June 30, 201274
May 31, 201273
April 30, 201273
March 31, 201273
February 29, 201276
January 31, 201276
December 31, 201170
November 30, 201170
October 31, 201170
September 30, 201171
August 31, 201171
July 31, 201173
June 30, 201172
May 31, 201170
April 30, 201171
March 31, 201172
February 28, 201172
January 31, 201170
December 31, 201069
November 30, 201070
October 31, 201072
September 30, 201073
August 31, 201073
July 31, 201081
June 30, 201079
May 31, 201083
April 30, 201080
March 31, 201081
February 28, 201082
January 31, 201081
December 31, 200984
November 30, 200984
October 31, 200984
September 30, 200986
August 31, 200986
July 31, 200985
June 30, 200985
May 31, 200985
April 30, 200980
March 31, 200980
February 28, 200980
January 31, 200991
December 31, 200889
November 30, 200887
October 31, 200887
September 30, 2008100
August 31, 2008100
July 31, 2008100
June 30, 200886
May 31, 200886
April 30, 200886
March 31, 200891
February 29, 200891
January 31, 200891

Insider ownership (%)

This is the historical insider ownership of Isis Pharmaceuticals. 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
November 30, 20081
October 31, 20081
September 30, 20081
August 31, 20081
July 31, 20081
June 30, 20081
May 31, 20081
April 30, 20081
March 31, 20081
February 29, 20081
January 31, 20081
December 31, 20071
November 30, 20071
October 31, 20071
September 30, 20071
August 31, 20071
July 31, 20071
June 30, 20071
May 31, 20071
April 30, 20071
March 31, 20071
February 28, 20071
January 31, 20072
December 31, 20062
November 30, 20062
October 31, 20062
September 30, 20062
June 30, 20062
May 31, 20062
April 30, 20062
March 31, 20062
February 28, 20062
January 31, 20062
December 31, 20052
November 30, 20052
October 31, 20052
September 30, 20052
August 31, 20052
July 31, 20052
June 30, 20052
May 31, 20052
April 30, 20052
March 31, 20052
February 28, 20052
January 31, 20052
December 31, 20042
November 30, 20043
October 31, 20043
September 30, 20043
August 31, 20043
July 31, 20043
June 30, 20043
May 31, 20043
April 30, 20043
March 31, 20043
February 29, 20043

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Christopher F.O. GabrieliDirector155,4310.13%2004-05-14
Dr. Spencer R. Berthelsen,M.D.Director50,395less than 0.1%2014-07-01
Mr. Joseph H. WenderDirector37,217less than 0.1%2014-07-01
Dr. Stanley T. Crooke,M.D.,PhDChairman and CEO14,642less than 0.1%2015-01-27
Dr. Douglas L. Cole,PhDVice President9,616less than 0.1%2004-03-05
Ms. B. Lynne Parshall, J.D.COO & Secretary8,072less than 0.1%2015-01-15
Dr. Richard S. Geary,PhDSVP, Development7,570less than 0.1%2015-01-15
Holmlud Jon TN/A7,510less than 0.1%2004-01-01
Dr. C. Frank Bennett,PhDSVP, Antisense Research7,229less than 0.1%2015-01-15
Dr. Mark K. Wedel,M.D.,J.D.N/A6,603less than 0.1%2007-07-06

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Fidelity Management and Research Company17,892,5552014-12-3115.150.001,104,686,346
ClearBridge Advisors, LLC9,034,5202014-12-317.650.59557,791,000
Fidelity® Growth Company Fund8,412,3972014-12-317.121.23519,381,391
Vanguard Group, Inc.7,271,8712014-12-316.160.03448,965,000
Bb Biotech AG5,976,5262014-12-315.0610.11369,043,426
Bellevue Asset Management AG5,976,5262014-12-315.0610.11369,043,426
BB Biotech AG5,976,5262014-12-315.0611.95368,991,000
Waddell & Reed Investment Management Co5,450,4002014-12-314.610.47336,507,000
BlackRock Fund Advisors4,471,4582014-12-313.780.07276,068,000
Artisan Partners Limited Partnership3,852,6432014-12-313.260.41237,862,000

Add Notes, Comments

If you want to ask a question, or report a bug, please create a support ticket.

User Comments

No comment yet

Get WordPress Plugins for easy affiliate links on Stock Tickers and Guru Names | Earn affiliate commissions by embedding GuruFocus Charts
GuruFocus Affiliate Program: Earn up to $400 per referral. ( Learn More)
Free 7-day Trial
FEEDBACK