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WebMD Health Corp (WBMD)Ownership Data

Short Interest History (%)

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

Date Short Interest
February 13, 201514.29
January 30, 201513.85
January 15, 201514.03
December 31, 201414.14
December 15, 201415.04
November 28, 201415.49
November 14, 201416.57
October 31, 201417.68
October 15, 201417.88
September 30, 201420.76
September 15, 201423.96
August 29, 201421.48
August 15, 201421.17
July 31, 201422.89
July 15, 201423
June 30, 201421.62
June 13, 201423.31
May 30, 201423.72
May 15, 201424.3
April 30, 201424.9
April 15, 201427.97
March 31, 201426.14
March 14, 201423.43
February 28, 201422.65
February 14, 201424.09
January 31, 201426.2
January 15, 201425.54
December 31, 201321.51
December 13, 201321.68
November 29, 201322.56
November 15, 201319.3
October 31, 201316.2
October 15, 201314.59
September 30, 201315.2
September 13, 201327.19
August 30, 201314.45
August 15, 201310.07
July 31, 201314.15
July 15, 20138.55
June 28, 20138.13
June 14, 20137.46
May 31, 20136.79
May 15, 20136.39
April 30, 20137.75
April 15, 20136.89
March 28, 20135.2
March 15, 20136.34
February 28, 20135.17
February 15, 20135.33
January 31, 20135.33
January 15, 20135.84
December 31, 20126.56
December 14, 20128.08
November 30, 20129.04
November 15, 20128.81
October 31, 20129.51
October 15, 201213.39
September 28, 201213.41
September 14, 201213.86
August 31, 201212.69
August 15, 201212.03
July 31, 201211.87
July 13, 201212.5
June 29, 201212.98
June 15, 20127.96
May 31, 20127.49
May 15, 20127.11
April 30, 201210.09
April 13, 20127.59
March 30, 20126.65
March 15, 20127.86
February 29, 20127.19
February 15, 20126.32
January 31, 20125.69
January 13, 20124.95
December 30, 20115.57
December 15, 20117.5
November 30, 20117.01
November 15, 20115.49
October 31, 20114.43
October 14, 20113.98
September 30, 20114.22
September 15, 20114.03
August 31, 20114.22
August 15, 20115.76
July 29, 20114.9
July 15, 20117.76
June 30, 20117.64
June 15, 20117.78
May 31, 20117.91
May 13, 20118.39
April 29, 20119.96
April 15, 201110.28
March 31, 20116.42
March 15, 20115.07
February 28, 20114.11
February 15, 20114.12
January 31, 20114.16
January 14, 20113.36
December 31, 20101.78
December 15, 20104.04
November 30, 20104.29
November 15, 20104.2
October 29, 20104.53
October 15, 20104.72
September 30, 20104.63
September 15, 20104.9
August 31, 20105.86
August 13, 20105.82
July 30, 20105.52
July 15, 20106.35
June 30, 20106.48
June 15, 201010.91
May 28, 201010.96
May 14, 201012.15
April 30, 201012.15
April 15, 201011.78
March 31, 201011.43
March 15, 201012.97
February 26, 201012.05
February 12, 201010.99
January 29, 201010.25
January 15, 201010.91
December 31, 200911.44
December 15, 200910.58
November 30, 20099.28
November 13, 20099.18
October 30, 20097.9
October 15, 20090.68
September 30, 20090.69
September 15, 20090.63
August 31, 20090.64
August 14, 20090.64
July 31, 20090.72
July 15, 20090.88
June 30, 20090.8
June 15, 20090.98
May 29, 20090.97
May 15, 20090.97
April 30, 20091.15
April 15, 20091.19
March 31, 20091.18
March 13, 20091.16
February 27, 20091.02
February 13, 20090.85
January 30, 20091.76
January 15, 20092.45
December 31, 20082.77
December 15, 20083.16
November 28, 20083.24
November 14, 20084.01
October 31, 20085.18
October 15, 20086.4
September 30, 20087.02
September 15, 20088.27
August 29, 20088.34
August 15, 20088.65
July 31, 20088.46
July 15, 20089.65
June 30, 20089.01
June 13, 20089.72
May 30, 20089.22
May 15, 20088.77
April 30, 20087.74
April 15, 20085.93
March 31, 20085.8
March 14, 20085.25
February 29, 20084.62
February 15, 20084.81
January 31, 20084.13
January 15, 20085.46
December 31, 20075.37
December 11, 20075.39
November 27, 20075.56
November 9, 20075.8
October 26, 20075.88
October 10, 20074.89
September 25, 20073.21
September 11, 20072.92
August 10, 20072.85
July 10, 20071.55
June 12, 20071.93
May 10, 20071.75
April 10, 20071.85
March 12, 20072.76
February 12, 20072.78
January 9, 20072.72
December 12, 20062.35
November 10, 20062.81
October 10, 20062.71
September 12, 20062.71
August 10, 20062.02
July 11, 20062.45
June 12, 20062.5
May 10, 20062.89
April 10, 20062.67
March 10, 20062.28
February 10, 20061.93
January 10, 20062.19
December 12, 20051.68
November 10, 20051.42
October 11, 20052.25

Institutional Ownership History (%)

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

Date Institutional Ownership
February 28, 201572
January 31, 201574
December 31, 201476
November 30, 201477
October 31, 201493
September 30, 201496
August 31, 201499
July 31, 201498
June 30, 201496
May 31, 201497
April 30, 201498
March 31, 201486
February 28, 201490
January 31, 201490
December 31, 201389
November 30, 201370
October 31, 201368
September 30, 201371
August 31, 201367
July 31, 201372
June 30, 201369
May 31, 201361
April 30, 201360
March 31, 201361
February 28, 201361
January 31, 201361
December 31, 201273
November 30, 201266
October 31, 201266
September 30, 201263
August 31, 201264
July 31, 201266
June 30, 201284
May 31, 201283
April 30, 201283
March 31, 201277
February 29, 201280
January 31, 201280
December 31, 201186
November 30, 201186
October 31, 201186
September 30, 201182
August 31, 201178
July 31, 201182
June 30, 201185
May 31, 201184
April 30, 201176
March 31, 201176
February 28, 201176
January 31, 201166
December 31, 201062
November 30, 201062
October 31, 201064
September 30, 201064
August 31, 201064
July 31, 201072
June 30, 201071
May 31, 201071
April 30, 201064
March 31, 201063
February 28, 201057
January 31, 201014
December 31, 200912
November 30, 200911
October 31, 200911
September 30, 200911
August 31, 200911
July 31, 200911
June 30, 200911
May 31, 200911
April 30, 200913
March 31, 200913
February 28, 200912
January 31, 200917
December 31, 200818
November 30, 200818
October 31, 200819
September 30, 200818
August 31, 200818
July 31, 200818
June 30, 200821
May 31, 200821
April 30, 200821
March 31, 200815
February 29, 200815
January 31, 200815

Insider ownership (%)

This is the historical insider ownership of WebMD Health 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
January 31, 20158
December 31, 20148
November 30, 20147
October 31, 20147
September 30, 20147
August 31, 20147
July 31, 20148
June 30, 20148
May 31, 20148
March 31, 20145
February 28, 20145
January 31, 20145
December 31, 20135
November 30, 20135
October 31, 20135
September 30, 20135
August 31, 20135
July 31, 20135
June 30, 20135
May 31, 20135
April 30, 20135
March 31, 20135
January 31, 20135
November 30, 20125
October 31, 20125
September 30, 20125
August 31, 20125
July 31, 20125
June 30, 20125
May 31, 20125
April 30, 20125
March 31, 20125
February 29, 20125
January 31, 20125
December 31, 20115
November 30, 20115
October 31, 20115
September 30, 20115
August 31, 20115
July 31, 20115
June 30, 20115
May 31, 20115
April 30, 20115
March 31, 20115
February 28, 20115
January 31, 20115
December 31, 20105
November 30, 20105
October 31, 20105
September 30, 20105
August 31, 20105
July 31, 20105
June 30, 20106
May 31, 20106
April 30, 20106
March 31, 20106
February 28, 20105
January 31, 20109
December 31, 20099
November 30, 20099
October 31, 20099
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, 20089
March 31, 20089
February 29, 20089
January 31, 20088
December 31, 20078
November 30, 20078
October 31, 20078
September 30, 20078
August 31, 20078
July 31, 20078
June 30, 20078
May 31, 200710
April 30, 200710
March 31, 200710
February 28, 200710
January 31, 200710
December 31, 200610
November 30, 200610
October 31, 200610
September 30, 200611
June 30, 200611
May 31, 200611
April 30, 200611
March 31, 200611
February 28, 200611
January 31, 200611
December 31, 200511
November 30, 200511
October 31, 200511
September 30, 200512
August 31, 20059

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Kevin M. CameronDirector209,0200.56%2014-09-25
Anthony VuoloCOO and CFO192,0350.51%2013-03-28
Wayne T. GattinellaCEO and President173,6710.47%2011-09-25
David GangEVP - Product/Programming, CTO149,7360.4%2006-02-28
James V. ManningDirector126,5870.34%2014-11-15
Martin J. WygodChairman of the Board, Director117,5910.31%2015-02-11
Herman SarkowskyDirector76,1230.2%2014-09-04
Mr. Paul A. BrookeN/A73,7910.2%2009-10-23
Mr. David J. SchlangerCEO72,2970.19%2014-10-10
Steven Zatz,M.D.President64,1210.17%2014-08-11

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Kensico Capital Management Corp4,691,2002014-12-3112.904.03185,537,000
Vanguard Group, Inc.2,258,3812014-12-316.210.0189,320,000
Waddell & Reed Investment Management Co2,034,2752014-12-315.600.1180,456,000
SHANNON RIVER FUND MANAGEMENT CO LLC1,758,4002014-12-314.847.0769,545,000
Healthcor Management, L.p.1,225,0002014-12-313.372.7048,449,000
AZ InvestEd Ivy Mid Cap Growth Fund1,159,3432014-12-313.190.9245,852,016
Freshford Capital Management LLC1,144,4212014-12-313.155.8845,262,000
Eagle Asset Management, Inc.1,144,2672014-12-313.150.2645,255,000
BlackRock Fund Advisors996,2652014-12-312.740.0139,403,000
Wellington Management Company LLP659,7162014-12-311.810.0126,092,000

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