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Epizyme Inc (EPZM) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
January 31, 201715.945.94
January 13, 201715.495.77
December 30, 201616.26.04
December 15, 201616.416.11
November 30, 201616.826.27
November 15, 201615.435.75
October 31, 201614.995.58
October 14, 201613.695.10
September 30, 201613.354.97
September 15, 201612.834.78
August 31, 201611.914.44
August 15, 201613.054.86
July 29, 201612.984.83
July 15, 201613.615.07
June 30, 201613.234.93
June 15, 201610.964.08
May 31, 201610.734.00
May 13, 201610.53.91
April 29, 20169.623.58
April 15, 20169.853.67
March 31, 201611.624.33
March 15, 201612.024.48
February 29, 201611.974.46
February 12, 201645.134.57
January 29, 201636.243.67
January 15, 201636.193.66
December 31, 201552.995.36
December 15, 201559.596.03
November 30, 201553.475.41
November 13, 201556.635.73
October 30, 201555.935.66
October 15, 201568.96.97
September 30, 201572.797.37
September 15, 201570.677.15
August 31, 201573.217.41
August 14, 201566.96.77
July 31, 201563.636.44
July 15, 201566.96.77
June 30, 201554.315.50
June 15, 201540.494.10
May 29, 201538.433.89
May 15, 201538.973.94
April 30, 201533.263.37
April 15, 201534.533.49
March 31, 201534.163.46
March 13, 201536.013.64
February 27, 201531.563.58
February 13, 201531.543.58
January 30, 201531.133.53
January 15, 201526.813.04
December 31, 201425.642.91
December 15, 201428.233.20
November 28, 201428.233.20
November 14, 201425.922.94
October 31, 201429.443.34
October 15, 201427.853.16
September 30, 201427.593.13
September 15, 201421.272.41
August 29, 201419.752.24
August 15, 201426.663.03
July 31, 201426.753.04
July 15, 201423.472.66
June 30, 201420.742.35
June 13, 201421.362.42
May 30, 201421.762.47
May 15, 201421.272.41
April 30, 201423.532.67
April 15, 201426.152.97
March 31, 201423.292.64
March 14, 201421.812.47
February 28, 201419.262.19
February 14, 201429.762.21
January 31, 201427.112.02
January 15, 201424.421.82
December 31, 201331.012.31
December 13, 201332.092.39
November 29, 201331.262.32
November 15, 201322.81.70
October 31, 201316.041.19
October 15, 201316.361.22
September 30, 201314.461.08
September 13, 201313.20.98
August 30, 201311.650.87
August 15, 20138.870.66
July 31, 20138.020.60
July 15, 20136.440.48
June 28, 20133.760.28
June 14, 20133.530.26

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
December 31, 201694.7754.97
September 30, 201678.1145.30
June 30, 201678.8645.69
March 31, 201691.7550.49
December 31, 201582.6934.54
June 30, 201598.6240.71
March 31, 201578.6931.85
December 31, 201487.5930.16
September 30, 201477.6626.45
June 30, 201467.7322.61
December 31, 201392.0326.22
September 30, 201349.6514.09
June 30, 201346.5716.90

Insider ownership (%)

This is the historical insider ownership of Epizyme 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 (%)Insider Ownership (Shares in Mil)
January 31, 20170.350.20
December 31, 20160.340.20
November 30, 20160.340.20
October 31, 20160.340.20
September 30, 20160.340.19
August 31, 20160.330.19
July 31, 20160.330.19
June 30, 20160.370.21
May 31, 20160.310.17
April 30, 20160.30.17
March 31, 20160.310.17
February 29, 20160.420.17
January 31, 20160.380.16
December 31, 20150.310.18
November 30, 20150.380.16
October 31, 20150.380.16
September 30, 20150.390.16
August 31, 20150.380.16
July 31, 20150.370.15
June 30, 20150.370.15
May 31, 20150.370.15
April 30, 20150.370.15
March 31, 20150.440.15
February 28, 20150.450.15
January 31, 20150.450.15
December 31, 20140.170.06
November 30, 20140.450.15
October 31, 20140.450.15
September 30, 20140.450.15
August 31, 20140.280.09
July 31, 20140.260.09
June 30, 20140.230.08
May 31, 20140.230.08

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Jason P. RhodesN/A138,0000.24%2014-09-22
Mr. Andrew E. SingerEVP & CFO35,729less than 0.1%2017-02-08
Dr. Robert A. Copeland, PhDPresident of Research and CSO31,538less than 0.1%2016-08-01
Mr. Stephen GarbaczN/A13,073less than 0.1%2014-11-03
Mr. David M. MottN/A6,000less than 0.1%2016-07-01
Tai-Ching Peter HoChief Development Officer5,520less than 0.1%2016-12-08
Dr. Beth C. Seidenberg,M.D.N/A3,200less than 0.1%2016-07-01
Mr. Robert B. BazemoreN/A1,362less than 0.1%2016-08-31
Mr. Patrick J. KerinsN/A651less than 0.1%2016-01-12
Mr. Eric HedrickN/A429less than 0.1%2014-10-15

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
PRIMECAP Management Company Premium6,525,3272016-09-3011.250.0664,209
Franklin Advisers Inc   Premium Plus1,200,0002016-09-302.070.0111,808
Jennison Associates LLC   Premium Plus1,933,8042016-12-313.330.0323,399
Palo Alto Investors, LLC   Premium Plus3,035,7962016-12-315.232.1036,733
Mpm Asset Management, LLC   Premium Plus1,729,6742016-09-302.985.5817,020
NEA Management Company, LLC   Premium Plus6,260,8512016-12-3110.793.0175,756
Vanguard Group Inc   Premium Plus2,959,0952016-09-305.10N/A29,118
BlackRock Fund Advisors   Premium Plus1,798,7292016-09-303.10N/A17,699
Fidelity Management and Research Company   Premium Plus8,166,2472016-09-3014.080.0180,356
Deerfield Management Co   Premium Plus1,601,0492016-12-312.760.8019,373
Foresite Capital Management II LLC   Premium Plus1,543,1182016-09-302.667.2515,184
NEA 13 GP, Ltd6,260,8512016-01-1214.98N/A100,299
Fidelity® Select Biotechnology Portfolio5,722,2742016-12-319.860.8069,240
PrimeCap Odyssey Aggressive Growth Fund3,554,7842016-12-316.130.6043,013
Fidelity Advisor® Biotechnology Fund2,443,9732016-12-314.211.2729,572
PrimeCap Odyssey Growth Fund2,395,5432016-12-314.130.4128,986
MPM BioVentures IV LLC1,729,6742015-12-314.14N/A27,709
Prudential Jennison Health Sciences Fund1,410,1862017-01-312.430.7114,807
Vanguard Small Cap Index918,6262017-01-311.580.019,646
Vanguard Total Stock Mkt Idx895,8812017-01-311.54N/A9,407

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