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ACADIA Pharmaceuticals Inc (ACAD)Ownership Data

Short Interest History (%)

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

Date Short Interest
March 31, 201514.23
March 13, 201515.67
February 27, 201516.1
February 13, 201528.51
January 30, 201529.25
January 15, 201532.2
December 31, 201430.53
December 15, 201431.7
November 28, 201429.33
November 14, 201429.66
October 31, 201429.45
October 15, 201429.68
September 30, 201428.73
September 15, 201428.42
August 29, 201427.75
August 15, 201428.55
July 31, 201428.16
July 15, 201427.16
June 30, 201426.42
June 13, 201427.2
May 30, 201427.05
May 15, 201427.54
April 30, 201425.23
April 15, 201422.77
March 31, 201419.66
March 14, 201418.71
February 28, 201417.7
February 14, 201418.85
January 31, 201418.45
January 15, 201418.41
December 31, 201319.7
December 13, 201319.29
November 29, 201319.05
November 15, 201318.6
October 31, 201318.33
October 15, 201316.87
September 30, 201317
September 13, 201315.84
August 30, 201317.08
August 15, 201316.46
July 31, 201314.29
July 15, 201316.84
June 28, 201316.61
June 14, 201316.24
May 31, 201314.11
May 15, 20139.27
April 30, 20139.69
April 15, 20137.28
March 28, 201310.05
March 15, 20139.18
February 28, 20139.27
February 15, 20137.77
January 31, 20136.7
January 15, 20135.58
December 31, 20125.6
December 14, 20126.19
November 30, 20126.63
November 15, 20124.63
October 31, 20124.53
October 15, 20123.24
September 28, 201210.13
September 14, 20128.06
August 31, 20127.81
August 15, 20126.35
July 31, 20126.14
July 13, 20126.21
June 29, 20124.82
June 15, 20124.77
May 31, 20124.69
May 15, 20124.69
April 30, 20124.93
April 13, 20124.8
March 30, 20124.56
March 15, 20121.56
February 29, 20121.71
February 15, 20121.75
January 31, 20120.25
January 13, 20120.44
December 30, 20110.38
December 15, 20110.42
November 30, 20110.46
November 15, 20110.46
October 31, 20110.39
October 14, 20110.58
September 30, 20110.52
September 15, 20110.49
August 31, 20110.54
August 15, 20110.79
July 29, 20110.76
July 15, 20110.85
June 30, 20110.91
June 15, 20111.08
May 31, 20111.08
May 13, 20111.12
April 29, 20110.95
April 15, 20110.45
March 31, 20110.53
March 15, 20110.59
February 28, 20110.72
February 15, 20110.79
January 31, 20111.52
January 14, 20111.44
December 31, 20100.88
December 15, 20100.7
November 30, 20100.6
November 15, 20100.64
October 29, 20100.71
October 15, 20100.76
September 30, 20100.67
September 15, 20100.63
August 31, 20100.63
August 13, 20100.59
July 30, 20100.7
July 15, 20100.76
June 30, 20100.96
June 15, 20101.03
May 28, 20100.92
May 14, 20100.8
April 30, 20100.77
April 15, 20100.79
March 31, 20100.69
March 15, 20100.59
February 26, 20100.65
February 12, 20100.69
January 29, 20100.55
January 15, 20100.54
December 31, 20090.63
December 15, 20091.06
November 30, 20091.25
November 13, 20091.45
October 30, 20091.65
October 15, 20092.37
September 30, 20093.65
September 15, 20096.21
August 31, 20096.26
August 14, 20093.6
July 31, 20093.02
July 15, 20091.93
June 30, 20094.17
June 15, 20093.52
May 29, 20093.64
May 15, 20093.73
April 30, 20093.23
April 15, 20093.45
March 31, 20094.05
March 13, 20094.67
February 27, 20094.45
February 13, 20094.71
January 30, 20094.93
January 15, 20094.86
December 31, 20084.88
December 15, 20085.92
November 28, 20086.26
November 14, 20086.46
October 31, 20087.43
October 15, 20088.47
September 30, 200810.91
September 15, 200810.3
August 29, 20089.76
August 15, 200810.21
July 31, 200812.07
July 15, 200813.88
June 30, 200814.09
June 13, 200815.83
May 30, 200815.54
May 15, 200814.45
April 30, 200815.45
April 15, 200816.32
March 31, 200817.5
March 14, 200815.99
February 29, 200815.43
February 15, 200814.9
January 31, 200810.37
January 15, 200810.25
December 31, 20078.91
December 11, 20078.97
November 27, 20079.23
November 9, 20078.74
October 26, 20077.8
October 10, 20077.71
September 25, 20077.73
September 11, 20078.53
August 10, 200710.59
July 10, 200713.97
June 12, 200713.3
May 10, 200711.64
April 10, 200710.24
March 12, 200711.63
February 12, 20078.93
January 9, 20077.85
December 12, 20067.68
November 10, 20068.36
October 10, 20068.09
September 12, 20067.75
August 10, 20066.44
July 11, 20065.42
June 12, 20065.69
May 10, 20064.5
April 10, 20066.1
March 10, 20066.23
February 10, 20067.87
January 10, 20061.86
December 12, 20051.76
November 10, 20051.83
October 11, 20051.77
September 12, 20051.33
August 10, 20051.28
July 12, 20051.32
June 10, 20050.07
May 10, 20050.04
April 12, 20050.04
March 10, 20050.04
February 10, 20050.05
January 11, 20050.04
December 10, 20040.07
November 10, 20040.02
October 12, 20040.01
September 10, 20040.05
August 10, 20040.05
July 12, 20040.57
June 9, 200419.76

Institutional Ownership History (%)

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

Date Institutional Ownership
February 28, 201489
January 31, 201490
December 31, 201390
November 30, 201387
October 31, 201387
September 30, 201392
August 31, 201392
July 31, 201392
June 30, 201370
May 31, 201366
April 30, 201374
March 31, 201335
February 28, 201393
January 31, 201393
December 31, 201282
November 30, 201272
October 31, 201253
September 30, 201253
August 31, 201257
July 31, 201257
June 30, 201258
May 31, 201259
April 30, 201259
March 31, 201257
February 29, 201266
January 31, 201269
December 31, 201169
November 30, 201170
October 31, 201170
September 30, 201170
August 31, 201170
July 31, 201169
June 30, 201169
May 31, 201169
April 30, 201149
March 31, 201165
February 28, 201156
January 31, 201158
December 31, 201037
November 30, 201037
October 31, 201041
September 30, 201041
August 31, 201041
July 31, 201043
June 30, 201044
May 31, 201044
April 30, 201040
March 31, 201040
February 28, 201040
January 31, 201037
December 31, 200939
November 30, 200939
October 31, 200952
September 30, 200961
August 31, 200961
July 31, 200965
June 30, 200966
May 31, 200967
April 30, 200970
March 31, 200970
February 28, 200969
January 31, 200977
December 31, 200880
November 30, 200875
October 31, 200878
September 30, 200876
August 31, 200876
July 31, 200876
June 30, 200880
May 31, 200880
April 30, 200880
March 31, 200888
February 29, 200888
January 31, 200888

Insider ownership (%)

This is the historical insider ownership of ACADIA 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
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, 20101
September 30, 20101
August 31, 20101
July 31, 20101
June 30, 20101
May 31, 20101
April 30, 20101
March 31, 20101
February 28, 20101
January 31, 20101
December 31, 20091
November 30, 20091
October 31, 20091
September 30, 20091
August 31, 20091
July 31, 20091
June 30, 20091
May 31, 20091
April 30, 20091
March 31, 20091
February 28, 20091
January 31, 20091
December 31, 20081
November 30, 20081
October 31, 20081
September 30, 20081
August 31, 20081
July 31, 20081
June 30, 20081
May 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, 20072
January 31, 20072
December 31, 20062
November 30, 20062
October 31, 20062
September 30, 20062
June 30, 20062
May 31, 20062
April 30, 20063
March 31, 20063
February 28, 20063
January 31, 20063
December 31, 20053
November 30, 20053
October 31, 20053
September 30, 20053
August 31, 20053
July 31, 20053
June 30, 20053
May 31, 20053
April 30, 200511
March 31, 200514
February 28, 20058
January 31, 20058
December 31, 200414
November 30, 200414
October 31, 200414
September 30, 200414
August 31, 200414
July 31, 200414
June 30, 200414
May 31, 200414
April 30, 200414

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Robert E. Davis,PhDExecutive VP of Drug Discovery105,5000.11%2004-05-26
Glenn BaityVP AND GC62,423less than 0.1%2014-12-09
Mark R. BrannPresident & CSO52,593less than 0.1%2005-09-16
Richards Douglas EVP of Business Development35,000less than 0.1%2004-05-26
Thomas H. AasenEXEC VP, CFO AND CBO23,848less than 0.1%2014-04-04
Dr. Bo-Ragnar Tolf,PhDN/A20,000less than 0.1%2009-07-08
Dr. Roger M. Mills,M.D.EVP, DEVELOPMENT AND CMO18,550less than 0.1%2014-11-26
Dr. Leslie L. Iversen,PhDDirector13,500less than 0.1%2014-01-02
Dr. Lester J. Kaplan,PhDDirector8,500less than 0.1%2014-09-02

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Baker Bros Advisors LLC20,481,4422014-12-3120.476.64650,286,000
Baker Bros Capital (GP) LLC19,955,1262014-02-1421.850.00464,954,436
Fidelity Management and Research Company14,965,5452015-02-1314.940.00455,401,534
T. Rowe Price Associates, Inc.6,240,7982014-12-316.240.04198,145,000
Vanguard Group, Inc.4,882,2012014-12-314.880.01155,011,000
Fidelity® Select Biotechnology Portfolio4,456,3642015-02-284.451.27169,208,141
BlackRock Fund Advisors3,191,7852014-12-313.190.03101,339,000
Viking Global Investors LP2,956,2662014-12-312.950.4393,861,000
Jennison Associates LLC2,874,0162014-12-312.870.0991,250,000
Fidelity® Growth Company Fund2,740,9182015-02-282.740.23104,072,656

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