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Halozyme Therapeutics Inc (HALO)Ownership Data

Short Interest History (%)

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

Institutional Ownership History (%)

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

Insider ownership (%)

This is the historical insider ownership of Halozyme Therapeutics 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.

Top Direct Holders

HolderPositionShares% of Shares
Report Date
Dr. Gregory I. Frost,PhDCEO, President3,641,3802.9%2013-12-11
Randal J. KirkDirector, 10% Owner3,504,8762.8%2014-05-13
Dr. Jonathan E. Lim,M.D.N/A710,0000.57%2010-01-12
David A. RamsayVP and CFO354,5540.28%2014-12-22
Kathryn E. FalbergDirector304,8760.24%2014-05-13
Dr. Robert L. Engler,M.D.Director273,1760.22%2014-08-14
Kenneth J. KelleyDirector194,8760.16%2014-05-13
Dr. John S. Patton,PhDDirector179,8760.14%2014-08-19
Connie L. MatsuiN/A169,8760.14%2014-05-13
Dr. Helen Torley, MB.Ch.B.President and CEO68,081less than 0.1%2015-01-06

Top Fund Holders

HolderSharesReport Date% of Shares
% of Total
Assets Managed
Market Value
Third Security, LLC19,816,1622014-09-3015.7811.25180,327,000
Iridian Asset Management LLC6,935,0952014-09-305.520.6563,109,000
Bb Biotech AG6,430,5322014-09-305.121.9558,503,401
Bellevue Asset Management AG6,430,5322014-09-305.121.9558,503,401
BB Biotech AG6,430,5322014-09-305.122.3858,518,000
Vanguard Group, Inc.6,260,8022014-09-304.990.0056,974,000
Sectoral Asset Management Inc4,558,9822014-09-303.631.7541,487,000
Qvt Financial LP4,055,5902014-09-303.231.9036,906,000
First Eagle Fund of America3,990,4802014-11-303.181.0235,036,414
BlackRock Fund Advisors3,757,4332014-09-302.990.0134,193,000

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