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Ophthotech Corp (OPHT) Ownership Data

Short Interest History (%)

Due to the license agreement change with our data vendor, Short Interest related data is no longer available on GuruFocus website.

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
December 31, 201755.4219.97
September 30, 201749.0117.66
June 30, 201748.2517.34
March 31, 201762.4322.36
December 31, 201666.6523.82
September 30, 201697.2234.60
June 30, 201694.6633.61
March 31, 201692.5932.69
December 31, 201590.0331.69
September 30, 201596.3533.19
June 30, 201594.1232.65
March 31, 201595.8432.82
December 31, 201497.4133.12
September 30, 201493.1631.29
March 31, 201490.3530.10
December 31, 201359.4418.67
September 30, 201345.8623.42

Insider ownership (%)

This is the historical insider ownership of Ophthotech 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 (%)Insider Ownership (Shares in Mil)
December 31, 20170.40.14
November 30, 20170.290.11
October 31, 20170.290.11
September 30, 20170.290.11
August 31, 20170.290.11
July 31, 20170.290.11
June 30, 20170.190.07
May 31, 20170.180.07
April 30, 20170.180.07
March 31, 20170.150.05
February 28, 20170.160.06
January 31, 20170.110.04
December 31, 20160.110.04
November 30, 20160.090.03
October 31, 20160.090.03
September 30, 20160.160.06
August 31, 20160.620.22
July 31, 20160.680.24
June 30, 20160.690.24
May 31, 20160.720.26
April 30, 20160.770.27
March 31, 20160.820.29
February 29, 20160.830.29
January 31, 20160.870.30
December 31, 20150.820.29
November 30, 20150.920.32
October 31, 20150.930.33
September 30, 20150.890.31
August 31, 20150.90.31
July 31, 20150.810.28
June 30, 20150.810.28
May 31, 20150.050.02
April 30, 20150.030.01
March 31, 20150.030.01
February 28, 20150.030.01
January 31, 20150.030.01
December 31, 20140.470.16
November 30, 20140.030.01
October 31, 20140.030.01
September 30, 20140.030.01
August 31, 20140.090.03
July 31, 20140.20.07
June 30, 20140.20.07
May 31, 20140.250.08

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Keith WestbySVP & COO24,175less than 0.1%2017-01-30
Glenn P. SblendorioPresident and CEO24,164less than 0.1%2017-06-30
Dr. David R. Guyer,M.D.Executive Chairman20,014less than 0.1%2017-06-30
Barbara A. WoodSVP, Gen. Counsel, Secretary8,332less than 0.1%2017-06-30
Mr. David F CarrollSVP, CFO and Treasurer4,216less than 0.1%2017-07-01
Dr. Michael Ross, PhDN/A3,500less than 0.1%2017-05-18
Mr. David E. RedlickDirector1,050less than 0.1%2017-06-13
Dr. Thomas Dyrberg,M.D.,D.M.Sc.N/A700less than 0.1%2013-09-30

Top Fund Holders

HolderSharesReport Date% of Total
Assets Managed
% of Shares
Outstanding
Market Value($1000)
Stonepine Capital Management, LLC   Premium Plus3,487,2092017-09-305.80%11.1%9,834
ARMISTICE CAPITAL, LLC   Premium Plus3,364,0002017-09-301.14%10.71%9,486
D. E. Shaw & Co., Inc.   Premium Plus2,453,2002017-09-300.01%7.81%6,918
VANGUARD GROUP INC   Premium Plus2,265,5882017-09-300.00%7.21%6,389
Jim Simons Premium2,060,6002017-09-300.01%6.56%5,811
DEUTSCHE BANK AG\   Premium Plus1,224,4592017-09-300.00%3.9%3,452
BlackRock Inc.   Premium Plus1,143,4922017-09-300.00%3.64%3,225
Tamarack Advisers, LP   Premium Plus775,0002017-09-301.71%2.47%2,186
Connor, Clark & Lunn Investment Management Ltd.   Premium Plus517,8642017-09-300.01%1.65%1,460
BOGLE INVESTMENT MANAGEMENT L P /DE/   Premium Plus448,8412017-09-300.09%1.43%1,265
FIRST MANHATTAN CO   Premium Plus426,1442017-09-300.01%1.36%1,201
NUMERIC INVESTORS LLC   Premium Plus399,3002017-09-300.01%1.27%1,126
GOLDMAN SACHS GROUP INC   Premium Plus363,1612017-09-300.00%1.16%1,024
Quantitative Investment Management, LLC   Premium Plus319,3002017-09-300.01%1.02%900
Spark Investment Management LLC   Premium Plus214,8002017-09-300.03%0.68%605
ACADIAN ASSET MANAGEMENT LLC   Premium Plus199,4082017-12-310.00%0.63%622
GEODE CAPITAL MANAGEMENT, LLC   Premium Plus186,5532017-09-300.00%0.59%526
JACOBS LEVY EQUITY MANAGEMENT, INC   Premium Plus176,0762017-09-300.01%0.56%497
Quinn Opportunity Partners LLC   Premium Plus65,0002017-09-300.03%0.21%183
Squarepoint Ops LLC   Premium Plus63,8142017-09-300.00%0.2%180

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