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Catalyst Pharmaceutical Partners Inc (CPRX)Ownership Data

Short Interest History (%)

This is the historical short interest of Catalyst Pharmaceutical Partners Inc, as measured by the Short Percentage Of Float.

Date Short Interest
January 15, 201510.45
December 31, 201410.95
December 15, 201410.85
November 28, 201411.16
November 14, 201410.91
October 31, 201411.05
October 15, 201412.94
September 30, 201413.79
September 15, 201413.49
August 29, 201413.2
August 15, 201413.04
July 31, 201413.19
July 15, 201413.44
June 30, 201413.4
June 13, 201413.37
May 30, 201413.8
May 15, 201413.86
April 30, 201413.66
April 15, 201413.97
March 31, 201415.04
March 14, 201420.56
February 28, 201420.49
February 14, 201421.79
January 31, 201421.89
January 15, 201421.92
December 31, 201321.54
December 13, 201321.94
November 29, 201321.86
November 15, 201321.68
October 31, 201322.66
October 15, 201322.04
September 30, 201319.82
September 13, 201318.52
August 30, 201319
August 15, 201317.52
July 31, 201315.66
July 15, 201314.75
June 28, 201314.89
June 14, 201314.3
May 31, 201311.97
May 15, 201311.8
April 30, 201312.03
April 15, 20138.26
March 28, 201315.25
March 15, 201314.86
February 28, 201315.39
February 15, 201315.26
January 31, 201314.98
January 15, 201315.26
December 31, 201216.04
December 14, 201215.5
November 30, 201216.61
November 15, 201215.58
October 31, 201227.07
October 15, 201225.51
September 28, 201225.09
September 14, 201213.69
August 31, 201213.03
August 15, 201210.17
July 31, 20129.41
July 13, 20121.84
June 29, 20121.37
June 15, 20121.51
May 31, 20121.57
May 15, 20121.84
April 30, 20121.59
April 13, 20121.78
March 30, 20122.08
March 15, 20122.31
February 29, 20122.33
February 15, 20122.85
January 31, 20122.9
January 13, 20122.37
December 30, 20110.89
December 15, 20110.87
November 30, 20110.95
November 15, 20110.85
October 31, 20111.18
October 14, 20110.91
September 30, 20110.91
September 15, 20110.94
August 31, 20110.91
August 15, 20110.93
July 29, 20110.91
July 15, 20110.91
June 30, 20111.09
June 15, 20111.48
May 31, 20110.15
May 13, 20110.14
April 29, 20110.17
April 15, 20110.14
March 31, 20110.19
March 15, 20110.19
February 28, 20110.2
February 15, 20110.18
January 31, 20110.29
January 14, 20110.36
December 31, 20100.46
December 15, 20100.38
November 30, 20100.37
November 15, 20100.36
October 29, 20100.42
October 15, 20100.48
September 30, 20100.47
September 15, 20100.48
August 31, 20100.51
August 13, 20100.78
July 30, 20101.18
July 15, 20101.24
June 30, 20100.31
June 15, 20100.3
May 28, 20100.31
May 14, 20100.33
April 30, 20100.72
April 15, 20101.63
March 31, 20100.05
March 15, 20100.12
February 26, 20100.05
February 12, 20100.16
January 29, 20100.05
January 15, 20100.14
December 15, 20090.01
November 30, 20090.04
November 13, 20090.06
October 30, 20090.04
September 15, 20090.08
August 14, 20090.11
July 31, 20090.06
June 15, 20090.01
April 15, 20090.01
March 13, 20090.01
February 27, 20090.02
February 13, 20090.02
January 30, 20090.05
January 15, 20090.04
December 31, 20080.03
December 15, 20080.08
November 28, 20080.1
November 14, 20080.1
October 31, 20080.1
October 15, 20080.09
September 30, 20080.09
September 15, 20080.12
August 29, 20080.12
August 15, 20080.11
July 31, 20080.13
July 15, 20080.11
June 30, 20080.1
June 13, 20080.07
May 30, 20080.01
May 15, 20080.01
April 15, 20080.01
March 31, 20080.01
March 14, 20080.05
February 29, 20080.07
February 15, 20080.07
January 31, 20080.02
January 15, 20080.06
December 31, 20070.12
December 11, 20070.09
November 27, 20070.1
November 9, 20070.16
October 26, 20070.09
October 10, 20070.06
September 25, 20070.06
September 11, 20070.06
August 10, 20070.21
July 10, 20070.17
June 12, 20070.03
May 10, 20070.01
April 10, 20070.05
March 12, 20070.03
February 12, 20070.01
January 9, 20070.06
December 12, 20060.06
November 10, 200615.21

Institutional Ownership History (%)

This the Institutional Ownership History of Catalyst Pharmaceutical Partners IncPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
December 31, 201441
November 30, 201441
October 31, 201439
September 30, 201433
August 31, 201433
July 31, 201433
June 30, 201419
May 31, 201416
April 30, 201416
March 31, 201417
February 28, 201417
January 31, 201417
December 31, 201317
November 30, 201315
October 31, 201311
September 30, 201315
August 31, 201314
July 31, 201320
June 30, 201314
May 31, 201328
April 30, 201328
March 31, 20137
February 28, 201319
January 31, 201319
December 31, 201217
November 30, 201220
October 31, 201226
September 30, 201232
August 31, 201233
July 31, 201233
June 30, 201232
May 31, 201244
April 30, 201244
March 31, 201227
February 29, 201223
January 31, 201225
December 31, 201123
November 30, 201125
October 31, 201125
September 30, 201129
August 31, 201126
July 31, 201127
June 30, 201126
May 31, 201130
April 30, 201120
March 31, 201121
February 28, 201121
January 31, 201121
December 31, 201021
November 30, 201021
October 31, 201021
September 30, 201015
August 31, 201015
July 31, 201015
June 30, 201015
May 31, 201015
April 30, 201015
March 31, 201015
February 28, 201015
January 31, 20106
December 31, 20097
November 30, 20097
October 31, 20097
September 30, 200914
August 31, 200913
July 31, 200920
June 30, 200920
May 31, 200920
April 30, 200921
March 31, 200921
February 28, 200921
January 31, 200917
December 31, 200817
November 30, 200816
October 31, 200815
September 30, 200817
August 31, 200817
July 31, 200817
June 30, 200814
May 31, 200814
April 30, 200814
March 31, 200812
February 29, 200812
January 31, 200812

Insider ownership (%)

This is the historical insider ownership of Catalyst Pharmaceutical Partners 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
December 31, 20149
November 30, 201411
October 31, 201411
September 30, 201410
August 31, 20149
July 31, 20149
June 30, 20149
May 31, 20149
March 31, 201428
February 28, 201428
January 31, 201428
December 31, 201328
November 30, 201328
October 31, 201328
September 30, 201327
August 31, 201327
July 31, 201327
June 30, 201327
May 31, 201327
April 30, 201327
March 31, 201327
January 31, 201327
November 30, 201226
October 31, 201226
September 30, 201226
August 31, 201226
July 31, 201226
June 30, 201226
May 31, 201225
April 30, 201224
March 31, 201224
February 29, 201224
January 31, 201224
December 31, 201124
November 30, 201124
October 31, 201124
September 30, 201124
August 31, 201124
July 31, 201125
June 30, 201125
May 31, 201125
April 30, 201125
March 31, 201125
February 28, 201128
January 31, 201128
December 31, 201028
November 30, 201028
October 31, 201028
September 30, 201028
August 31, 201028
July 31, 201030
June 30, 201030
May 31, 201029
April 30, 201029
March 31, 201029
February 28, 201029
January 31, 201029
December 31, 200929
November 30, 200929
October 31, 200937
September 30, 200937
August 31, 200937
July 31, 200937
June 30, 200937
May 31, 200937
April 30, 200936
March 31, 200936
February 28, 200937
January 31, 200937
December 31, 200837
November 30, 200837
October 31, 200841
September 30, 200841
August 31, 200841
July 31, 200841
June 30, 200841
May 31, 200841
April 30, 200842
March 31, 200842
February 29, 200842
January 31, 200845
December 31, 200745
November 30, 200744
October 31, 200744
September 30, 200744
August 31, 200744
July 31, 200744
June 30, 200744
May 31, 200744
April 30, 200744
March 31, 200744
February 28, 200744

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Patrick J. McEnanyPresident and CEO3,970,9185.74%2015-01-08
Dr. Hubert E. Huckel,M.D.Director1,324,1701.92%2014-10-02
Milton J. WallaceDirector539,1840.78%2012-05-29
Dr. Steven R. Miller,PhDCOO389,7540.56%2014-10-02
Charles B. O'KeeffeDirector307,1260.44%2015-01-13
Dr. David S. Tierney,M.D.Director243,4010.35%2014-10-16
Alicia GrandeVP, Treasurer and CFO156,3460.23%2014-10-02
Mr. Philip H. CoelhoDirector131,6720.19%2014-10-02
M. Douglas WinshipVP, Regulatory Operations96,9310.14%2014-10-17
David D. MuthEVP, Chief Commercial Officer41,000less than 0.1%2015-01-20

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Baker Bros Advisors LLC6,715,4622014-09-3010.000.2822,295,000
Point72 Asset Management, L.P.3,500,0002014-12-015.060.009,275,000
Federated Global Inv Mgmt Corp3,048,5002014-09-304.540.0910,121,000
Franklin Advisers, Inc.2,511,6002014-09-303.740.018,339,000
Vanguard Group, Inc.1,875,4492014-09-302.790.006,227,000
Franklin Biotechnology Discovery1,597,6002014-10-312.380.184,744,872
Visium Asset Management LLC1,500,0002014-09-302.230.074,980,000
Federated Kaufmann Small Cap Fund1,435,0002014-09-302.140.674,764,200
Broadfin Capital, LLC1,400,0002014-09-302.080.494,648,000
Morgan Stanley & Co Inc1,228,1372014-09-301.830.014,077,000

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