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Aetna Inc (AET) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
September 29, 20170.782.41
September 15, 20171.053.24
August 31, 20171.093.35
August 15, 20171.023.15
July 31, 20171.253.86
July 14, 20171.935.95
June 30, 20172.186.73
June 15, 20172.437.50
May 31, 20173.039.37
May 15, 20173.019.31
April 28, 20173.039.37
April 13, 20172.678.23
March 31, 20172.929.01
December 30, 20161.675.82
December 15, 20161.856.43
November 30, 20162.267.87
November 15, 20162.488.62
October 31, 20162.016.98
October 14, 20161.96.61
September 30, 20161.766.11
September 15, 20161.826.35
August 31, 20161.826.32
August 15, 20161.786.19
July 29, 20162.047.10
July 15, 20163.2511.32
June 30, 20164.415.32
June 15, 20164.7916.66
May 31, 20164.3915.28
May 13, 20164.3115.01
April 29, 20163.9413.73
April 15, 2016413.94
March 31, 20164.6916.32
March 15, 20164.6616.23
February 29, 20164.5915.97
February 12, 20164.3715.21
January 29, 20164.3815.23
January 15, 20164.3815.25
December 31, 20153.8413.37
December 15, 20153.9212.71
November 30, 20153.6711.89
November 13, 20153.2610.54
October 30, 20152.718.77
October 15, 20153.1410.18
September 30, 201539.73
September 15, 20153.079.94
August 31, 20152.949.52
August 14, 20152.197.10
July 31, 20151.775.74
July 15, 20151.474.75
June 30, 20151.444.66
June 15, 20151.434.63
May 29, 20151.34.20
May 15, 20151.244.01
April 30, 20150.832.67
April 15, 20150.973.13
March 31, 20151.143.69
March 13, 20151.334.30
February 27, 20151.163.85
February 13, 20151.183.95
January 30, 20151.073.58
January 15, 20151.294.30
December 31, 20140.983.26
December 15, 20141.173.90
November 28, 20141.354.49
November 14, 20141.414.71
October 31, 20141.625.40
October 15, 20142.267.53
September 30, 20141.866.18
September 15, 20141.785.91
August 29, 20141.615.36
August 15, 20141.464.86
July 31, 20141.153.81
July 15, 20141.414.71
June 30, 20141.535.10
June 13, 20141.575.21
May 30, 20141.234.09
May 15, 20141.254.17
April 30, 20141.224.05
April 15, 20141.374.55
March 31, 20141.525.07
March 14, 20141.755.31
February 28, 20141.313.98
February 14, 20141.263.82
January 31, 20141.414.29
January 15, 20141.614.90
December 31, 20131.324.02
December 13, 20131.564.72
November 29, 20131.775.36
November 15, 20131.795.43
October 31, 20131.775.36
October 15, 20131.725.22
September 30, 20131.85.45
September 13, 20131.785.40
August 30, 20131.243.75
August 15, 20131.153.50
July 31, 20130.962.91
July 15, 20131.273.85
June 28, 20131.75.15
June 14, 20131.534.66
May 31, 20131.424.32
May 15, 20131.584.80
April 30, 20136.6920.31
April 15, 20136.5619.93
March 28, 20136.4619.63
March 15, 20136.9120.97
February 28, 2013619.49
February 15, 20135.9119.22
January 31, 20136.2120.19
January 15, 20135.8118.88
December 31, 20126.119.81
December 14, 20125.5317.95
November 30, 20125.1716.78
November 15, 20125.2317.00
October 31, 20125.0516.42
October 15, 20124.7615.45
September 28, 20123.8312.43
September 14, 20122.488.07
August 31, 20121.785.78
August 15, 20120.692.24
July 31, 20120.652.13
July 13, 20120.953.09
June 29, 20120.772.50
June 15, 20121.484.81
May 31, 20121.223.96
May 15, 20121.364.40
April 30, 20121.665.38
April 13, 20121.494.85
March 30, 20122.227.22
March 15, 20121.856.84
February 29, 20121.726.38
February 15, 20121.856.85
January 31, 20121.174.35
January 13, 20121.344.98
December 30, 20111.545.69
December 15, 20111.535.65
November 30, 20111.515.60
November 15, 20111.114.10
October 31, 20111.023.78
October 14, 20110.953.52
September 30, 20111.174.33
September 15, 20111.525.62
August 31, 20111.314.84
August 15, 20111.013.72
July 29, 20110.82.96
July 15, 20110.863.20
June 30, 20111.063.92
June 15, 20111.314.85
May 31, 20111.565.77
May 13, 20111.636.04
April 29, 20111.395.16
April 15, 20111.375.07
March 31, 20110.983.63
March 15, 20110.893.75
February 28, 20110.933.90
February 15, 20110.913.81
January 31, 20111.154.81
January 14, 20111.225.12
December 31, 20101.134.72
December 15, 20101.225.13
November 30, 20100.954.01
November 15, 20100.823.44
October 29, 20100.984.11
October 15, 20101.285.39
September 30, 20101.415.92
September 15, 20101.486.22
August 31, 20101.25.05
August 13, 20101.094.57
July 30, 20101.094.55
July 15, 20101.325.55
June 30, 20101.526.38
June 15, 20101.184.97
May 28, 20101.114.65
May 14, 20101.094.58
April 30, 20101.35.44
April 15, 20101.988.29
March 31, 20102.5410.67

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
September 30, 201795.24316.79
June 30, 201789.11296.13
March 31, 201786.27286.17
December 31, 201688.74312.08
September 30, 201691.34320.59
June 30, 201695.69335.73
March 31, 201698.74346.21
December 31, 201592.54323.01
June 30, 201592.01320.81
March 31, 201590.54316.04
December 31, 201490.64316.98
September 30, 201491.98323.54
June 30, 201493.03329.99
March 31, 201491.04325.67
December 31, 201391.89332.93
September 30, 201392.1338.49
June 30, 201393.43347.69
March 31, 201399.48324.31
September 30, 201296.7324.03
June 30, 201292.22308.01
March 31, 201294.06326.81
December 31, 201194.45330.19
September 30, 201192.78336.11
June 30, 201192.13343.56
March 31, 201192.17349.60
December 31, 201093.97360.93
September 30, 201092.25369.30
June 30, 201093.06388.37
March 31, 201095.34405.09
September 30, 200992.65401.63
June 30, 200991.37400.72
December 31, 200892.81427.90
September 30, 200893.97433.68
June 30, 200895.83452.28
March 31, 200896.48482.14
December 31, 200788.78443.59
September 30, 200786.76432.75
June 30, 200795.85491.31
December 31, 200692.4477.59
September 30, 200691.1478.77
June 30, 200690.03495.59
March 31, 200690.92525.94
December 31, 200585.72242.36
September 30, 200585.65247.67
June 30, 200587.64252.67
March 31, 200589.47258.63
December 31, 200489.67132.44
September 30, 200490.49134.17
June 30, 200490.86140.15
March 31, 200488.81136.71
September 30, 200395.51142.21
September 30, 200291.86136.93
June 30, 200286.58130.93
March 31, 200296.57138.21
December 31, 200187.9125.46
September 30, 200189.67129.73
March 31, 200191.85112.16
September 30, 20002.922.06
June 30, 20000.010.01
March 31, 20000.010.01

Insider ownership (%)

This is the historical insider ownership of Aetna 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)
June 30, 20170.481.59
May 31, 20170.481.60
April 30, 20170.481.60
March 31, 20170.491.62
February 28, 20170.431.52
January 31, 20170.451.59
December 31, 20160.451.59
November 30, 20160.471.65
October 31, 20160.471.66
September 30, 20160.471.66
August 31, 20160.481.70
July 31, 20160.491.72
June 30, 20160.491.72
May 31, 20160.51.75
April 30, 20160.632.20
March 31, 20160.632.19
February 29, 20160.622.16
January 31, 20160.622.16
December 31, 20150.622.16
November 30, 20150.561.94
October 31, 20150.561.94
September 30, 20150.571.98
August 31, 20150.571.98
July 31, 20150.622.17
June 30, 20150.622.15
May 31, 20150.622.15
April 30, 20150.612.13
March 31, 20150.672.33
February 28, 20150.72.44
January 31, 20150.692.44
December 31, 20140.561.97
November 30, 20140.622.19
October 31, 20140.622.19
September 30, 20140.622.19
August 31, 20140.622.19
July 31, 20140.622.19
June 30, 20140.62.16
May 31, 20140.612.19
March 31, 20140.582.17
February 28, 20140.582.16
January 31, 20140.592.19
December 31, 20130.531.97
November 30, 20130.531.98
October 31, 20130.511.91
September 30, 20130.511.91
August 31, 20130.521.92
July 31, 20130.521.92
June 30, 20130.511.91
May 31, 20130.521.93
April 30, 20130.511.90
March 31, 20130.511.90
January 31, 20130.51.87
November 30, 20120.431.60
October 31, 20120.441.65
September 30, 20120.441.65
August 31, 20120.441.64
July 31, 20120.441.64
June 30, 20120.441.64
May 31, 20120.441.64
April 30, 20120.441.63
March 31, 20120.441.63
February 29, 20120.441.62
January 31, 20120.281.06
December 31, 20110.291.08
November 30, 20110.291.08
October 31, 20110.291.08
September 30, 20110.291.08
August 31, 20110.291.08
July 31, 20110.291.08
June 30, 20110.281.08
May 31, 20110.291.09
April 30, 20110.281.07
March 31, 20110.281.07
February 28, 20110.281.07
January 31, 20110.261.03
December 31, 20100.261.03
November 30, 20100.261.03
October 31, 20100.261.03
September 30, 20100.240.99
August 31, 20100.241.00
July 31, 20100.230.95
June 30, 20100.220.95
May 31, 20100.220.95
April 30, 20100.220.92
March 31, 20100.210.92
February 28, 20100.241.03
January 31, 20100.241.04
December 31, 20090.241.04
November 30, 20090.241.04
October 31, 20090.241.04
September 30, 20090.241.04
August 31, 20090.241.05
July 31, 20090.241.04
June 30, 20090.241.04
May 31, 20090.231.03
April 30, 20090.231.03
March 31, 20090.231.03
February 28, 20090.221.00
January 31, 20090.210.97
December 31, 20080.210.97
November 30, 20080.210.97
October 31, 20080.20.92
September 30, 20080.190.92
August 31, 20080.190.92
July 31, 20080.190.92
June 30, 20080.190.92
May 31, 20080.190.92
April 30, 20080.130.65
March 31, 20080.130.65
February 29, 20080.160.80
January 31, 20080.160.80
December 31, 20070.150.73
November 30, 20070.150.73
October 31, 20070.150.73
September 30, 20070.150.74
August 31, 20070.150.74
July 31, 20070.150.74
June 30, 20070.150.74
May 31, 20070.150.74
April 30, 20070.140.74
March 31, 20070.140.74
February 28, 20070.140.74
January 31, 20070.120.64
December 31, 20060.120.63
November 30, 20060.120.63
October 31, 20060.120.63
September 30, 20060.120.65
June 30, 20060.130.70
May 31, 20060.120.70
April 30, 20060.120.70
March 31, 20060.120.70
February 28, 20060.120.66
January 31, 20060.070.78
December 31, 20050.070.41
November 30, 20050.080.46
October 31, 20050.080.47
September 30, 20050.080.47
August 31, 20050.080.47
July 31, 20050.070.43
June 30, 20050.080.47
May 31, 20050.080.46
April 30, 20050.080.46
March 31, 20050.080.46
February 28, 20050.080.88
January 31, 20050.150.89
December 31, 20040.171.01
November 30, 20040.171.01
October 31, 20040.171.00
September 30, 20040.171.01
August 31, 20040.161.00
July 31, 20040.161.00
June 30, 20040.21.20
May 31, 20040.21.19
April 30, 20040.21.19
March 31, 20040.191.19
February 29, 20040.191.19

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Mark T. BertoliniChairman and CEO351,2460.11%2017-03-02
Mr. Ronald A. WilliamsN/A299,128less than 0.1%2010-11-05
Timothy A. HoltN/A95,362less than 0.1%2008-02-11
Dr. Lonny Reisman,M.D.N/A85,470less than 0.1%2014-02-03
Ms. Karen S. LynchPresident65,382less than 0.1%2017-03-03
Ms. Margaret M. McCarthyEVP, Operations & Technology60,586less than 0.1%2017-03-03
William C. Popik,M.D.N/A60,386less than 0.1%2005-03-18
William J. CasazzaN/A59,050less than 0.1%2016-02-19
Shawn M. GuertinExec. Vice President, CFO56,551less than 0.1%2017-03-03
Mr. Alan M. BennettN/A51,968less than 0.1%2006-12-11

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
BlackRock Inc.   Premium Plus29,238,9852017-06-300.240.094,439,354
VANGUARD GROUP INC   Premium Plus22,229,2122017-06-300.170.073,375,061
PRICE T ROWE ASSOCIATES INC /MD/   Premium Plus21,597,1612017-06-300.590.073,279,097
Capital World Investors   Premium Plus20,769,0042017-06-300.740.063,153,358
STATE STREET CORP   Premium Plus20,654,7902017-06-300.280.063,136,015
WELLINGTON MANAGEMENT GROUP LLP   Premium Plus10,263,6662017-06-300.370.031,558,332
JPMORGAN CHASE & CO   Premium Plus5,162,2292017-06-300.190.02783,782
Eaton Vance Worldwide Health Sciences Fund Premium5,101,2892017-06-301.660.02774,529
David Williams Premium5,101,2892017-06-301.660.02774,529
Signature Select Canadian Fund Premium5,101,2892017-06-301.660.02774,529
Wintergreen Fund Premium5,101,2892017-06-301.660.02774,529
Charles de Vaulx Premium5,101,2892017-06-301.660.02774,529
Yacktman Focused Fund Premium5,101,2892017-06-301.660.02774,529
David Herro Premium5,101,2892017-06-301.660.02774,529
Hennessy Japan Small Cap Fund Premium5,101,2892017-06-301.660.02774,529
Value Partners Premium5,101,2892017-06-301.660.02774,529
azValor Iberia FI Premium5,101,2892017-06-301.660.02774,529
Mawer Canadian Equity Fund Premium5,101,2892017-06-301.660.02774,529
Oakmark Intl Small Cap Premium5,101,2892017-06-301.660.02774,529
Wasatch International Growth Premium5,101,2892017-06-301.660.02774,529
David Carlson Premium5,101,2892017-06-301.660.02774,529
Steven Romick Premium5,101,2892017-06-301.660.02774,529
CI Can Am Small Cap Premium5,101,2892017-06-301.660.02774,529
IVA International Fund Premium5,101,2892017-06-301.660.02774,529
Bestinfond Premium5,101,2892017-06-301.660.02774,529
Francisco García Paramés Premium5,101,2892017-06-301.660.02774,529
Vanguard Health Care Fund Premium5,101,2892017-06-301.660.02774,529
Yacktman Fund Premium5,101,2892017-06-301.660.02774,529
Tweedy Browne Global Value Premium5,101,2892017-06-301.660.02774,529
Hennessy Japan Fund Premium5,101,2892017-06-301.660.02774,529
Matthews China Fund Premium5,101,2892017-06-301.660.02774,529
David Nadel Premium5,101,2892017-06-301.660.02774,529
Mawer New Canada Fund Premium5,101,2892017-06-301.660.02774,529
Bernard Horn Premium5,101,2892017-06-301.660.02774,529
MS Global Franchise Fund Premium5,101,2892017-06-301.660.02774,529
Jerome Dodson Premium5,101,2892017-06-301.660.02774,529
Fairholme Focused Income Fund Premium5,101,2892017-06-301.660.02774,529
Chou RRSP Fund Premium5,101,2892017-06-301.660.02774,529
Matthews Japan Fund Premium5,101,2892017-06-301.660.02774,529
Meryl Witmer Premium5,101,2892017-06-301.660.02774,529
FPA Capital Fund Premium5,101,2892017-06-301.660.02774,529
Leith Wheeler Canadian Equity Premium5,101,2892017-06-301.660.02774,529
Invesco European Growth Fund Premium5,101,2892017-06-301.660.02774,529
Causeway International Value Premium5,101,2892017-06-301.660.02774,529
Spiros Segalas Premium5,101,2892017-06-301.660.02774,529
ALLIANCEBERNSTEIN L.P.   Premium Plus5,073,1252017-06-300.600.02770,253
Bank of New York Mellon Corp   Premium Plus4,352,9082017-06-300.190.01660,903
Chris Davis Premium3,980,1112017-06-302.640.01604,300
DIMENSIONAL FUND ADVISORS LP   Premium Plus3,789,5072017-06-300.270.01575,367
NORTHERN TRUST CORP   Premium Plus3,724,9862017-06-300.160.01565,565
Larry Robbins Premium3,310,4692017-06-303.260.01502,629
OPPENHEIMER FUNDS INC   Premium Plus3,271,0562017-06-300.610.01496,645
GEODE CAPITAL MANAGEMENT, LLC   Premium Plus3,219,1532017-06-300.190.01487,901
BANK OF AMERICA CORP /DE/   Premium Plus3,116,3012017-06-300.100.01473,148
AQR CAPITAL MANAGEMENT LLC   Premium Plus3,009,0902017-06-300.610.01456,870
GOLDMAN SACHS GROUP INC   Premium Plus3,000,3122017-06-300.120.01455,537
Orbis Allan Gray Ltd   Premium Plus2,592,7012017-06-302.470.01393,650

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