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Omeros Corp (OMER)Ownership Data

Short Interest History (%)

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

Date Short Interest
March 31, 201526.64
March 13, 201525.84
February 27, 201519.51
February 13, 201519.07
January 30, 201517.97
January 15, 201517.84
December 31, 201418.29
December 15, 201419.23
November 28, 201419.52
November 14, 201420.59
October 31, 201420.64
October 15, 201420.63
September 30, 201421.24
September 15, 201420.01
August 29, 201419.14
August 15, 201419.41
July 31, 201419.1
July 15, 201417.68
June 30, 201418.44
June 13, 201418.93
May 30, 201418.55
May 15, 201417.68
April 30, 201418.04
April 15, 201418.33
March 31, 201423.23
March 14, 201422.9
February 28, 201422.62
February 14, 201422.16
January 31, 201422.12
January 15, 201423.37
December 31, 201325.53
December 13, 201327.36
November 29, 201326.11
November 15, 201322.7
October 31, 201318.41
October 15, 201319.96
September 30, 201328.05
September 13, 201326.07
August 30, 201326.26
August 15, 201325.81
July 31, 201326.36
July 15, 201326.74
June 28, 201326.61
June 14, 201326.26
May 31, 201324.69
May 15, 201323.92
April 30, 201322.19
April 15, 201315.72
March 28, 201312.05
March 15, 201314.41
February 28, 201313.82
February 15, 201313.26
January 31, 201311.08
January 15, 201310.22
December 31, 20127.59
December 14, 20128.84
November 30, 20128.83
November 15, 20128.38
October 31, 20127.29
October 15, 20126.51
September 28, 20126.35
September 14, 20126.72
August 31, 20126.44
August 15, 20126.37
July 31, 20126.07
July 13, 20126.53
June 29, 20128
June 15, 20122.65
May 31, 20122.33
May 15, 20122.3
April 30, 20122.25
April 13, 20122.24
March 30, 20122.23
March 15, 20120.35
February 29, 20120.29
February 15, 20120.3
January 31, 20120.38
January 13, 20120.38
December 30, 20110.45
December 15, 20110.46
November 30, 20110.55
November 15, 20110.62
October 31, 20110.61
October 14, 20110.72
September 30, 20110.76
September 15, 20110.91
August 31, 20111.13
August 15, 20111.31
July 29, 20111.41
July 15, 20111.58
June 30, 20112
June 15, 20116.67
May 31, 20115.94
May 13, 20115.59
April 29, 20115.4
April 15, 20114.83
March 31, 20114.14
March 15, 20114.32
February 28, 20114.34
February 15, 20114.07
January 31, 20113.7
January 14, 20113.6
December 31, 20103.49
December 15, 20103.22
November 30, 20103.44
November 15, 20103.35
October 29, 20103.57
October 15, 20103.69
September 30, 20104
September 15, 20104.16
August 31, 20104.42
August 13, 20103.74
July 30, 20103.95
July 15, 20104.01
June 30, 20105.06
June 15, 20101.47
May 28, 20101.37
May 14, 20101.58
April 30, 20101.62
April 15, 20101.66
March 31, 20101.32
March 15, 20101.13
February 26, 20101.18
February 12, 20101.12
January 29, 20101
January 15, 20100.93
December 31, 20091.03
December 15, 20090.29
November 30, 20090.32
November 13, 20090.25
October 30, 20090.24
October 15, 20090.23

Institutional Ownership History (%)

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

Date Institutional Ownership
March 31, 201541
February 28, 201545
January 31, 201547
December 31, 201444
November 30, 201444
October 31, 201443
September 30, 201443
August 31, 201446
July 31, 201447
June 30, 201448
May 31, 201448
April 30, 201449
March 31, 201431
February 28, 201433
January 31, 201434
December 31, 201331
November 30, 201335
October 31, 201335
September 30, 201347
August 31, 201346
July 31, 201346
June 30, 201338
May 31, 201337
April 30, 201315
March 31, 201326
February 28, 201326
January 31, 201327
December 31, 201229
November 30, 201229
October 31, 201229
September 30, 201231
August 31, 201231
July 31, 201236
June 30, 201219
May 31, 201217
April 30, 201217
March 31, 201213
February 29, 201211
January 31, 201211
December 31, 201111
November 30, 201111
October 31, 201111
September 30, 201110
August 31, 201112
July 31, 201113
June 30, 201115
May 31, 201114
April 30, 201117
March 31, 201115
February 28, 201116
January 31, 201117
December 31, 201016
November 30, 201017
October 31, 201015
September 30, 201014
August 31, 201014
July 31, 201010
June 30, 20109
May 31, 20109
April 30, 20108
March 31, 20109
February 28, 20109
January 31, 20103
December 31, 20092

Insider ownership (%)

This is the historical insider ownership of Omeros Corp. 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, 20155
February 28, 20156
January 31, 20156
December 31, 20146
November 30, 20146
October 31, 20146
September 30, 20146
August 31, 20146
July 31, 20146
June 30, 20146
May 31, 20146
March 31, 20149
February 28, 20149
January 31, 20149
December 31, 20139
November 30, 20138
October 31, 20138
September 30, 20138
August 31, 20138
July 31, 20138
June 30, 20138
May 31, 20138
April 30, 20138
March 31, 20138
January 31, 20138
November 30, 20128
October 31, 20128
September 30, 20128
August 31, 20128
July 31, 20128
June 30, 20128
May 31, 20127
April 30, 20127
March 31, 20127
February 29, 20127
January 31, 20127
December 31, 20117
November 30, 20117
October 31, 20117
September 30, 20117
August 31, 20117
July 31, 20119
June 30, 20119
May 31, 20119
April 30, 20118
March 31, 20118
February 28, 20119
January 31, 20119
December 31, 20109
November 30, 20109
October 31, 20109
September 30, 20109
August 31, 20109
July 31, 20109
June 30, 20109
May 31, 20108
April 30, 20108
March 31, 20108
February 28, 20108
January 31, 20108
December 31, 20098
November 30, 20098
October 31, 20098

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Gregory A. Demopulos,M.D.N/A1,591,8224.21%2015-01-28
Dr. Peter A. Demopulos,M.D.Director181,2200.48%2014-06-24
Ms. Marcia S. KelbonN/A126,0240.33%2014-05-16
Mr. Thomas J. CableDirector55,0670.15%2015-03-24
Dr. Leroy E. Hood,M.D.,Ph.N/A54,3900.14%2010-07-01
Mr. Ray AspiriDirector40,3060.11%2013-10-24
Arnold C. HanishDirector2,400less than 0.1%2013-01-03

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
PowerShares Dynamic Pharmaceuticals Port3,056,8722015-04-109.023.7175,137,914
Ingalls & Snyder LLC2,388,0162014-12-316.993.4359,175,000
Tocqueville Asset Management L.P.1,533,7262014-12-314.490.4138,006,000
BlackRock Fund Advisors1,348,1682014-12-313.940.0133,408,000
Fidelity® Select Health Care Portfolio1,280,5612015-02-283.750.2726,725,308
State Street Corp1,095,1332014-12-313.200.0027,136,000
Vanguard Group, Inc.1,060,5472014-12-313.100.0026,280,000
SPDR® S&P Pharmaceuticals ETF757,2612015-04-102.241.4818,613,475
Baker Bros Advisors LLC648,1012014-12-311.900.1616,060,000
iShares Russell 2000 (AU)640,6032015-04-101.890.0515,746,022

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