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Accuray Inc (ARAY)Ownership Data

Short Interest History (%)

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

Date Short Interest
March 31, 201526.28
March 13, 201526.31
February 27, 201525.95
February 13, 201525.42
January 30, 201526.67
January 15, 201527.21
December 31, 201427.79
December 15, 201428.13
November 28, 201426.6
November 14, 201426.02
October 31, 201425.64
October 15, 201426.23
September 30, 201430.61
September 15, 201425.22
August 29, 201425.6
August 15, 201426.65
July 31, 201427.12
July 15, 201430.58
June 30, 201425.28
June 13, 201424.73
May 30, 201425.11
May 15, 201426.81
April 30, 201428.12
April 15, 201431.43
March 31, 201430.99
March 14, 201430.08
February 28, 201431.84
February 14, 201434.27
January 31, 201437.59
January 15, 201436.88
December 31, 201333.31
December 13, 201333.63
November 29, 201332.71
November 15, 201330.35
October 31, 201329.36
October 15, 201329.21
September 30, 201330.98
September 13, 201323.43
August 30, 201323.8
August 15, 201323.34
July 31, 201330.77
July 15, 201329.18
June 28, 201328.1
June 14, 201324.59
May 31, 201324.54
May 15, 201324.03
April 30, 201327.02
April 15, 201323.85
March 28, 201324.78
March 15, 201322.33
February 28, 201317.98
February 15, 201314.62
January 31, 20139.47
January 15, 20139.45
December 31, 20129.55
December 14, 201210.06
November 30, 201210.62
November 15, 201210.89
October 31, 20129.68
October 15, 201210.75
September 28, 201210.44
September 14, 20129.87
August 31, 201211.36
August 15, 201212.54
July 31, 201212.96
July 13, 201212.02
June 29, 201212.39
June 15, 201211.16
May 31, 201210.27
May 15, 20129.74
April 30, 201210.83
April 13, 20129.93
March 30, 201210.23
March 15, 201210.23
February 29, 201210.06
February 15, 20129.86
January 31, 20129.02
January 13, 20128.78
December 30, 20118.86
December 15, 20119.09
November 30, 20119.25
November 15, 20118.26
October 31, 20118.48
October 14, 20118.77
September 30, 20118.69
September 15, 20118.31
August 31, 20117.52
August 15, 20117.43
July 29, 20115.02
July 15, 20117.62
June 30, 20118.56
June 15, 20119.43
May 31, 20119.91
May 13, 20119.3
April 29, 20118.53
April 15, 20118.85
March 31, 20117.82
March 15, 20116.42
February 28, 20114.04
February 15, 20114.26
January 31, 20113.84
January 14, 20114.06
December 31, 20103.61
December 15, 20103.99
November 30, 20104.32
November 15, 20104.18
October 29, 20104.02
October 15, 20104.65
September 30, 20105.1
September 15, 20105.59
August 31, 20108.89
August 13, 20108.42
July 30, 20107.96
July 15, 20108.24
June 30, 20109.45
June 15, 20107.53
May 28, 20107.71
May 14, 20108.56
April 30, 20108.94
April 15, 20108.14
March 31, 20107.9
March 15, 20107.74
February 26, 20108.07
February 12, 20108.13
January 29, 20107.56
January 15, 20107.33
December 31, 20096.6
December 15, 20096.55
November 30, 20096.74
November 13, 20096.41
October 30, 20096.24
October 15, 20096.58
September 30, 20096.74
September 15, 20096.64
August 31, 20097.21
August 14, 20097.93
July 31, 20097.65
July 15, 20096.63
June 30, 20095.81
June 15, 20096.04
May 29, 20096.14
May 15, 20096.83
April 30, 20096.14
April 15, 20097.01
March 31, 20097.15
March 13, 20096.93
February 27, 20097.06
February 13, 20097.08
January 30, 20097.14
January 15, 20096.7
December 31, 20085.71
December 15, 20086.01
November 28, 20086.55
November 14, 20087.25
October 31, 20087.13
October 15, 20087.83
September 30, 20088.37
September 15, 20089.38
August 29, 200810.24
August 15, 200811.84
July 31, 200813.07
July 15, 200815.15
June 30, 200813.13
June 13, 200812.48
May 30, 200812.75
May 15, 200812.03
April 30, 200810.45
April 15, 20089.45
March 31, 20089.79
March 14, 20089.25
February 29, 20088.2
February 15, 20088.72
January 31, 20089
January 15, 20088.79
December 31, 20077.76
December 11, 20077.27
November 27, 20076.52
November 9, 20075.43
October 26, 20074.99
October 10, 20074.28
September 25, 20075.06
September 11, 20075.11
August 10, 20075.31
July 10, 20074.63
June 12, 20073.76
May 10, 20072.71
April 10, 20072.31
March 12, 20071.02
February 12, 20075.3

Institutional Ownership History (%)

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

Date Institutional Ownership
April 30, 201327
March 31, 201380
February 28, 201380
January 31, 201378
December 31, 201277
November 30, 201276
October 31, 201275
September 30, 201271
August 31, 201276
July 31, 201277
June 30, 201276
May 31, 201272
April 30, 201272
March 31, 201273
February 29, 201280
January 31, 201279
December 31, 201177
November 30, 201177
October 31, 201177
September 30, 201170
August 31, 201177
July 31, 201185
June 30, 201180
May 31, 201177
April 30, 201171
March 31, 201168
February 28, 201168
January 31, 201169
December 31, 201065
November 30, 201066
October 31, 201061
September 30, 201061
August 31, 201073
July 31, 201068
June 30, 201066
May 31, 201066
April 30, 201048
March 31, 201050
February 28, 201048
January 31, 201043
December 31, 200944
November 30, 200944
October 31, 200943
September 30, 200944
August 31, 200944
July 31, 200943
June 30, 200943
May 31, 200943
April 30, 200941
March 31, 200937
February 28, 200937
January 31, 200938
December 31, 200838
November 30, 200840
October 31, 200843
September 30, 200839
August 31, 200839
July 31, 200839
June 30, 200833
May 31, 200833
April 30, 200833
March 31, 200841
February 29, 200841
January 31, 200841

Insider ownership (%)

This is the historical insider ownership of Accuray 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, 20155
February 28, 20155
January 31, 20155
December 31, 20144
November 30, 20145
October 31, 20145
September 30, 20144
August 31, 20144
July 31, 20144
June 30, 20144
May 31, 20144
March 31, 20145
February 28, 20145
January 31, 20144
December 31, 20134
November 30, 20134
October 31, 20134
September 30, 20134
August 31, 20134
July 31, 20134
June 30, 20134
May 31, 20134
April 30, 20134
March 31, 20134
January 31, 20133
November 30, 20123
October 31, 20123
September 30, 20123
August 31, 20122
July 31, 20122
June 30, 20122
May 31, 20122
April 30, 20122
March 31, 20122
February 29, 20122
January 31, 20122
December 31, 20112
November 30, 20112
October 31, 20112
September 30, 20112
August 31, 20113
July 31, 20113
June 30, 20113
May 31, 20112
April 30, 20112
March 31, 20112
February 28, 20112
January 31, 20112
December 31, 20102
November 30, 20102
October 31, 20102
September 30, 20102
August 31, 20102
July 31, 20102
June 30, 20102
May 31, 20102
April 30, 20102
March 31, 20102
February 28, 20102
January 31, 20102
December 31, 20092
November 30, 20092
October 31, 20092
September 30, 20092
August 31, 20092
July 31, 20092
June 30, 20092
May 31, 20092
April 30, 20092
March 31, 20092
February 28, 20092
January 31, 20092
December 31, 20082
November 30, 20082
October 31, 20082
September 30, 20082
August 31, 20082
July 31, 20082
June 30, 20082
May 31, 20082
April 30, 200822
March 31, 200822
February 29, 200822
January 31, 200822
December 31, 200722
November 30, 200722
October 31, 200722
September 30, 200722
August 31, 200722
July 31, 200722
June 30, 200722
May 31, 200722
April 30, 200722
March 31, 200722
February 28, 200722

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Joshua H. LevinePresident & CEO785,5531%2014-12-01
Mr. Wayne WuDirector579,1420.74%2010-11-30
Dr. Euan Stuart Thomson PhDPresident & CEO282,7190.36%2012-10-10
Mr. Chris A. RaanesEVP COO276,8370.35%2012-10-31
Mr. Robert S. WeissN/A195,5380.25%2014-11-28
Ms. Kelly LondyEVP Chief Commercial Officer177,2490.23%2015-01-02
Gregory E. LichtwardtN/A169,0640.22%2014-10-31
Mr. Robert RagusaSVP Global Operations144,3930.18%2013-10-31
Mr. Louis J. Lavigne, JrN/A121,4520.15%2014-11-28
Li YuN/A117,0000.15%2010-04-28

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
PRIMECAP Management Company8,665,7002014-12-3111.050.0765,426,000
Fidelity Management and Research Company5,232,4282015-02-136.670.0038,562,994
Vanguard Group, Inc.4,656,3412014-12-315.940.0035,155,000
Kornitzer Capital Management Inc4,585,4902014-12-315.850.4034,620,000
Bridger Management LLC3,787,2602014-12-314.831.8028,594,000
PrimeCap Odyssey Aggressive Growth Fund3,666,9002014-12-314.670.4327,685,095
Oracle Investment Management Inc3,657,7002014-12-314.663.6227,616,000
PrimeCap Odyssey Growth Fund3,623,6002014-12-314.620.5527,358,180
Robeco Investment Management, Inc.3,046,9202014-12-313.880.0323,004,000
J.P.Morgan Securities Inc.3,000,0002014-12-313.820.0322,650,000

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