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Arena Pharmaceuticals Inc (ARNA) Ownership Data

Short Interest History (%)

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

Date Short Interest
July 15, 201513.43
June 30, 201513.99
June 15, 201514.49
May 29, 201514.62
May 15, 201515.21
April 30, 201514.18
April 15, 201516.07
March 31, 201516.27
March 13, 201518.18
February 27, 201517.92
February 13, 201520.22
January 30, 201520.07
January 15, 201520.03
December 31, 201420.17
December 15, 201420.66
November 28, 201420.45
November 14, 201420.78
October 31, 201421.63
October 15, 201422.82
September 30, 201423.07
September 15, 201420.39
August 29, 201420.28
August 15, 201421.5
July 31, 201421.31
July 15, 201421.79
June 30, 201422.16
June 13, 201422.32
May 30, 201423.33
May 15, 201424.46
April 30, 201426.87
April 15, 201428.06
March 31, 201428.14
March 14, 201425.99
February 28, 201426.82
February 14, 201427.36
January 31, 201430.03
January 15, 201430.1
December 31, 201329.68
December 13, 201330.55
November 29, 201330.43
November 15, 201329.96
October 31, 201328.38
October 15, 201326.38
September 30, 201329.09
September 13, 201328
August 30, 201328.51
August 15, 201329.64
July 31, 201330.34
July 15, 201329.98
June 28, 201327.89
June 14, 201326.33
May 31, 201326.47
May 15, 201327.5
April 30, 201327.39
April 15, 201328.77
March 28, 201329.63
March 15, 201334.23
February 28, 201332.5
February 15, 201330.85
January 31, 201330.75
January 15, 201329.76
December 31, 201229.33
December 14, 201231.67
November 30, 201231.38
November 15, 201234.43
October 31, 201228.41
October 15, 201226.46
September 28, 201226.6
September 14, 201225.47
August 31, 201224.5
August 15, 201223.84
July 31, 201221.8
July 13, 201222.61
June 29, 201225.7
June 15, 201225.25
May 31, 201222.17
May 15, 201222.98
April 30, 201224.87
April 13, 201223.63
March 30, 201231.71
March 15, 201223.56
February 29, 201221.45
February 15, 201219.62
January 31, 201219.28
January 13, 201219.47
December 30, 201117.24
December 15, 201117.16
November 30, 201117.02
November 15, 201117.06
October 31, 201117.15
October 14, 201117.89
September 30, 201118.49
September 15, 201117.58
August 31, 201115.95
August 15, 201117.35
July 29, 201116.62
July 15, 201116.3
June 30, 201116.49
June 15, 201115.53
May 31, 201112.98
May 13, 201111.97
April 29, 201111.67
April 15, 201123.8
March 31, 201127.54
March 15, 201135.8
February 28, 201135.08
February 15, 201135.69
January 31, 201134.34
January 14, 201135.08
December 31, 201034.95
December 15, 201038.84
November 30, 201039.98
November 15, 201040.02
October 29, 201040.97
October 15, 201040.59
September 30, 201042.9
September 15, 201045.84
August 31, 201039.32
August 13, 201035.98
July 30, 201035.2
July 15, 201026.73
June 30, 201028.33
June 15, 201032.05
May 28, 201031.41
May 14, 201027.4
April 30, 201026.74
April 15, 201026.81
March 31, 201024.95
March 15, 201020.69
February 26, 201023.54
February 12, 201023.18
January 29, 201022.21
January 15, 201020.7
December 31, 200923.05
December 15, 200921.94
November 30, 200922.21
November 13, 200922.98
October 30, 200922.31
October 15, 200919.59
September 30, 200919.45
September 15, 200918.22
August 31, 200915.06
August 14, 200914.88
July 31, 200915.6
July 15, 200915.3
June 30, 200915.32
June 15, 200919.2
May 29, 200918.4
May 15, 200917.83
April 30, 200919.3
April 15, 200921.94
March 31, 200921.15
March 13, 200920.18
February 27, 200916.83
February 13, 200918.03
January 30, 200917.15
January 15, 200916.12
December 31, 200816.06
December 15, 200816.99
November 28, 200817.76
November 14, 200818.36
October 31, 200819.07
October 15, 200819.89
September 30, 200821.09
September 15, 200821.83
August 29, 200821.34
August 15, 200821.85
July 31, 200822.02
July 15, 200824.16
June 30, 200820.47
June 13, 200819.21
May 30, 200817.12
May 15, 200816.32
April 30, 200815.38
April 15, 200815.81
March 31, 200815.82
March 14, 200816.88
February 29, 200815.39
February 15, 200815.2
January 31, 200814.74
January 15, 200815.51
December 31, 200714.74
December 11, 200715.14
November 27, 200714.24
November 9, 200714.51
October 26, 200714.82
October 10, 200714.33
September 25, 200715.96
September 11, 200714.81
August 10, 200716.53
July 10, 200717.89
June 12, 200718.36
May 10, 200717.03
April 10, 200714.42
March 12, 200713.75
February 12, 200712.62
January 9, 200710.73
December 12, 200613.1
November 10, 200612.55
October 10, 200613.02
September 12, 200612.02
August 10, 200612.58
July 11, 200613.45
June 12, 200613.11
May 10, 200611.38
April 10, 200612.51
March 10, 200612.23
February 10, 200611.92
January 10, 200612.53
December 12, 20057.25
November 10, 20056.97
October 11, 20056.49
September 12, 20055.41
August 10, 20056.18
July 12, 20056.44
June 10, 20054.34
May 10, 20053.14
April 12, 20052.31
March 10, 20052.2
February 10, 20052.06
January 11, 20052.28
December 10, 20041.99
November 10, 20041.72
October 12, 20041.72
September 10, 20041.69
August 10, 20041.84
July 12, 20042.07
June 9, 20043.23
May 11, 20042.86
April 12, 20042.7
March 10, 20042.63
February 10, 20042.09
January 12, 20041.53
December 10, 20030.5
November 11, 20030.62
October 10, 20031.07
September 10, 20031.03
August 12, 20031.57
July 10, 20032.21
June 10, 20032.22
May 12, 20032.19
April 10, 20032.08
March 11, 20031.96
February 11, 20032.2
January 10, 20032.12
December 10, 20022.35
November 12, 20022.39
October 10, 20022.41
September 10, 20022.6
August 12, 20022.69
July 10, 20022.89
June 11, 20023.07
May 10, 20023.89
April 10, 20022.82
March 12, 20022.76
February 12, 20023.3
January 10, 20023.24
December 11, 20013.24
November 12, 20013.04
October 10, 20014.06
September 5, 20013.85
August 10, 20015.08
July 10, 20012.85
June 12, 20011.45
May 10, 20011.25
April 9, 20011.65
March 12, 20012.67
February 12, 20012.21
January 9, 20012.07
December 12, 20001.41
November 10, 20001.72
October 10, 20001.61
September 12, 20000.61
August 10, 20000.16

Institutional Ownership History (%)

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

Date Institutional Ownership
June 30, 201557
March 31, 201556
December 31, 201451
September 30, 201447
June 30, 201446
March 31, 201445
December 31, 201347
September 30, 201348
June 30, 201345
March 31, 201346
December 31, 201244
September 30, 201244
June 30, 201233
March 31, 201226
December 31, 201130
September 30, 201133
June 30, 201132
March 31, 201151
December 31, 201037
September 30, 201047
June 30, 201064
March 31, 201060
December 31, 200972
September 30, 200974
June 30, 200973
March 31, 200987
December 31, 200896
September 30, 200898
June 30, 200898
March 31, 200895
December 31, 200787
September 30, 200775
September 30, 200594
June 30, 200585
March 31, 200570
December 31, 200472
September 30, 200467
June 30, 200472
March 31, 200470
September 30, 200368
June 30, 200367
March 31, 200368
December 31, 200264
September 30, 200259
June 30, 200261
March 31, 200265
December 31, 200159
September 30, 200154
June 30, 200164
March 31, 200148
December 31, 200044
September 30, 200040

Insider ownership (%)

This is the historical insider ownership of Arena Pharmaceuticals 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
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, 20121
February 29, 20121
January 31, 20121
December 31, 20111
November 30, 20111
October 31, 20111
September 30, 20111
August 31, 20111
July 31, 20111
June 30, 20111
May 31, 20111
April 30, 20111
March 31, 20111
February 28, 20111
January 31, 20111
December 31, 20101
November 30, 20101
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, 20092
February 28, 20092
January 31, 20092
December 31, 20082
November 30, 20082
October 31, 20082
September 30, 20082
August 31, 20082
July 31, 20082
June 30, 20082
May 31, 20082
April 30, 20081
March 31, 20081
February 29, 20081
January 31, 20081
December 31, 20071
November 30, 20071
October 31, 20071
September 30, 20072
August 31, 20072
July 31, 20072
June 30, 20072
May 31, 20072
April 30, 20072
March 31, 20072
February 28, 20072
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, 20053
October 31, 20054
September 30, 20054
August 31, 20054
July 31, 20054
June 30, 20054
May 31, 20055
April 30, 20055
March 31, 20055
February 28, 20054
January 31, 20056
December 31, 20046
November 30, 20046
October 31, 20046
September 30, 20046
August 31, 20046
July 31, 20046
June 30, 20046
May 31, 20046
April 30, 20047
March 31, 20046
February 29, 20047

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Jack LiefChairman, President and CEO622,1890.26%2015-03-03
Dr. Dominic P. Behan,PhDEVP & Chief Scientific Officer508,0000.21%2014-12-15
Dr. Derek T. Chalmers,PhDN/A370,6670.15%2004-06-11
Dr. Harry F. HixsonDirector148,405less than 0.1%2015-06-12
Donald D. BelcherDirector134,257less than 0.1%2015-06-12
Steven W. Spector,J.D.EVP, General Counsel & Sec128,039less than 0.1%2015-03-17
Dr. Christine A. White,M.D.N/A104,257less than 0.1%2015-06-12
Mr. Phillip M. SchneiderN/A94,257less than 0.1%2015-06-12
Scott H. BiceDirector89,157less than 0.1%2015-06-12
Randall E. WoodsDirector85,257less than 0.1%2015-06-12

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Wellington Management Company LLP   Premium Plus33,802,4642015-03-3114.000.04147,719
Vanguard Group, Inc.   Premium Plus15,779,9022015-03-316.54N/A68,959
Fidelity Management and Research Company   Premium Plus9,800,0002015-03-314.060.0142,826
Deerfield Management Co   Premium Plus9,229,3792015-03-313.821.3140,332
BlackRock Fund Advisors   Premium Plus9,176,6392015-03-313.800.0140,102
State Street Corp   Premium Plus8,350,9752015-03-313.46N/A36,496
Camber Capital Management LLC   Premium Plus7,500,0002015-03-313.112.3232,775
OppenheimerFunds, Inc.   Premium Plus7,000,0002015-03-312.900.0330,590
Fidelity® Select Health Care Portfolio7,000,0002015-06-302.890.3032,480
Oppenheimer Global Opportunities7,000,0002015-06-302.890.9932,480

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