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American Tower Corp (AMT)Ownership Data

Short Interest History (%)

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

Date Short Interest
January 30, 20151.31
January 15, 20151.47
December 31, 20141.37
December 15, 20141.47
November 28, 20141.64
November 14, 20141.59
October 31, 20141.36
October 15, 20141.15
September 30, 20141.21
September 15, 20141.26
August 29, 20141.41
August 15, 20141.47
July 31, 20141.41
July 15, 20141.36
June 30, 20141.32
June 13, 20141.48
May 30, 20141.57
May 15, 20141.56
April 30, 20141.57
April 15, 20141.78
March 31, 20142.04
March 14, 20142.04
February 28, 20141.98
February 14, 20142.12
January 31, 20142.19
January 15, 20141.93
December 31, 20131.51
December 13, 20131.75
November 29, 20131.83
November 15, 20131.74
October 31, 20131.79
October 15, 20131.59
September 30, 20131.87
September 13, 20131.93
August 30, 20131.66
August 15, 20131.64
July 31, 20131.59
July 15, 20131.53
June 28, 20131.29
June 14, 20130.84
May 31, 20130.99
May 15, 20130.93
April 30, 20130.98
April 15, 20130.98
March 28, 20131
March 15, 20131.16
February 28, 20130.99
February 15, 20131.01
January 31, 20130.96
January 15, 20130.9
December 31, 20120.91
December 14, 20120.98
November 30, 20121.05
November 15, 20121
October 31, 20120.91
October 15, 20120.93
September 28, 20120.9
September 14, 20121.02
August 31, 20121
August 15, 20121.02
July 31, 20121.04
July 13, 20121.1
June 29, 20121.14
June 15, 20121.12
May 31, 20121.06
May 15, 20121.08
April 30, 20120.98
April 13, 20120.91
March 30, 20120.91
March 15, 20121.03
February 29, 20121.22
February 15, 20121.33
January 31, 20121.28
January 13, 20121.53
December 30, 20111.29
December 15, 20111.16
November 30, 20111.54
November 15, 20111.55
October 31, 20111.56
October 14, 20111.78
September 30, 20111.55
September 15, 20111.61
August 31, 20111.45
August 15, 20111.05
July 29, 20111.06
July 15, 20111.05
June 30, 20111.07
June 15, 20110.98
May 31, 20111.12
May 13, 20111.11
April 29, 20110.9
April 15, 20110.81
March 31, 20110.93
March 15, 20110.95
February 28, 20110.98
February 15, 20111.39
January 31, 20111.04
January 14, 20111.01
December 31, 20101.14
December 15, 20101.17
November 30, 20101.35
November 15, 20101.22
October 29, 20101.11
October 15, 20101.47
September 30, 20101.93
September 15, 20101.83
August 31, 20102.02
August 13, 20101.98
July 30, 20102.06
July 15, 20102.61
June 30, 20102.28
June 15, 20102.49
May 28, 20101.78
May 14, 20101.56
April 30, 20101.64
April 15, 20101.61
March 31, 20101.63
March 15, 20101.36
February 26, 20101.49
February 12, 20101.53
January 29, 20102
January 15, 20102.05
December 31, 20091.97
December 15, 20091.7
November 30, 20092.27
November 13, 20092.15
October 30, 20092.13
October 15, 20092.2
September 30, 20092.24
September 15, 20091.85
August 31, 20091.51
August 14, 20091.73
July 31, 20091.95
July 15, 20092.12
June 30, 20092.2
June 15, 20091.92
May 29, 20091.77
May 15, 20091.57
April 30, 20091.85
April 15, 20091.97
March 31, 20092.09
March 13, 20092.25
February 27, 20092.02
February 13, 20092.05
January 30, 20092.53
January 15, 20092.59
December 31, 20082.88
December 15, 20082.53
November 28, 20082.57
November 14, 20082.81
October 31, 20083.14
October 15, 20083.65
September 30, 20082.48
September 15, 20084.04
August 29, 20083.32
August 15, 20083.41
July 31, 20083.71
July 15, 20084.12
June 30, 20084.52
June 13, 20084.51
May 30, 20083.5
May 15, 20083.73
April 30, 20083.9
April 15, 20083.71
March 31, 20083.82
March 14, 20083.16
February 29, 20083.37
February 15, 20083.08
January 31, 20082.89
January 15, 20083.57
December 31, 20073.46
December 11, 20073.44
November 27, 20074.1
November 9, 20073.14
October 26, 20073.38
October 10, 20073.44
September 25, 20073.99
September 11, 20073.84
August 10, 20074.12
July 10, 20074.9
June 12, 20074.83
May 10, 20074.2
April 10, 20074.17
March 12, 20073.98
February 12, 20074.45
January 9, 20074.94
December 12, 20064.37
November 10, 20064.5
October 10, 20065.53
September 12, 20065.56
August 10, 20065.8
July 11, 20065.74
June 12, 20065.36
May 10, 20064.94
April 10, 20065.8
March 10, 20065.78
February 10, 20066.02
January 10, 20067.09
December 12, 20056.55
November 10, 20056.18
October 11, 200512.95
September 12, 200512.37
August 10, 200512.18
July 12, 200513.66
June 10, 20059.67
May 10, 20059.01
April 12, 20057.09
March 10, 20057.23
February 10, 20056.36
January 11, 20056.89
December 10, 20046.85
November 10, 20048.06
October 12, 20048.17
September 10, 20047.52
August 10, 20047.42
July 12, 20047.69
June 9, 20048.14
May 11, 20048.61
April 12, 20047.03
March 10, 20046.19
February 10, 20046.73
January 12, 20046.26
December 10, 20035.89
November 11, 20036.68
October 10, 20037.25
September 10, 20037
August 12, 20037.9
July 10, 20038.22
June 10, 20037.84
May 12, 200310.76
April 10, 200311.87
March 11, 200312.73
February 11, 200311.91
January 10, 200312.71
December 10, 200212.58
November 12, 200213.53
October 10, 200211.8
September 10, 200210.77
August 12, 200210.61
July 10, 200210.77
June 11, 20029.4
May 10, 20029.13
April 10, 20028.06
March 12, 20028.1
February 12, 20027.06
January 10, 20029.48
December 11, 20017.75
November 12, 20016.55
October 10, 20017.1
September 5, 20016.63
August 10, 20016.64
July 10, 20016.24
June 12, 20016.81
May 10, 20016.44
April 9, 20015.93
March 12, 20016.77
February 12, 20017.46
January 9, 20017.78
December 12, 20008.66
November 10, 20007.24
October 10, 20008.39
September 12, 20007.88
August 10, 20008.16
July 11, 20008.33
June 12, 20008.89
May 10, 200010.96
April 11, 200012.53
March 10, 200012.78
February 10, 200011.79
January 11, 200010.13
December 10, 19999.64
November 10, 19997.6
October 12, 19995.41
September 10, 19992.26
August 10, 19992.21
July 12, 19992.31
June 10, 19992.9
May 11, 19992.58
April 12, 19992.57
February 9, 199910.81
January 8, 19999.49
December 8, 19988.06
November 6, 19986.11
September 8, 19984.74
August 7, 19983.02
July 8, 19982.94
June 8, 19986.79

Institutional Ownership History (%)

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

Date Institutional Ownership
January 31, 201595
December 31, 201495
November 30, 201496
October 31, 201496
September 30, 201496
August 31, 201496
July 31, 201496
June 30, 201498
May 31, 201498
April 30, 201498
March 31, 201497
February 28, 201498
January 31, 201498
December 31, 201397
November 30, 201395
October 31, 201397
September 30, 201395
August 31, 201395
July 31, 201395
June 30, 201394
May 31, 201390
April 30, 201390
March 31, 201317
February 28, 201390
January 31, 201391
December 31, 201298
November 30, 201292
October 31, 201290
September 30, 201290
August 31, 201291
July 31, 201291
June 30, 201291
May 31, 201289
April 30, 201289
March 31, 201275
February 29, 201279
January 31, 201279
December 31, 201198
November 30, 201198
October 31, 201198
September 30, 201197
August 31, 201196
July 31, 201196
June 30, 201196
May 31, 201196
April 30, 201195
March 31, 201195
February 28, 201195
January 31, 201196
December 31, 201095
November 30, 201096
September 30, 201098
July 31, 201097
June 30, 201098
April 30, 201098
March 31, 201098
February 28, 201099
January 31, 201098
December 31, 200998
October 31, 200997
September 30, 200999
July 31, 200999
June 30, 2009100
May 31, 200999

Insider ownership (%)

This is the historical insider ownership of American Tower 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, 20151
December 31, 20141
November 30, 20141
October 31, 20141
September 30, 20141
August 31, 20141
July 31, 20141
June 30, 20141
May 31, 20141
March 31, 20141
February 28, 20141
January 31, 20141
December 31, 20131
November 30, 20131
October 31, 20131
September 30, 20131
August 31, 20131
July 31, 20131
June 30, 20131
May 31, 20131
April 30, 20131
March 31, 20131
January 31, 20131
November 30, 20121
October 31, 20121
September 30, 20121
August 31, 20121
July 31, 20121
June 30, 20121
May 31, 20121
April 30, 20121
March 31, 20121
September 30, 20051
August 31, 20051
July 31, 20051
June 30, 20051
May 31, 20051
April 30, 20051
March 31, 20051
February 28, 20054
January 31, 20054
December 31, 20044
November 30, 20044
October 31, 20044
September 30, 20045
August 31, 20045
July 31, 20045
June 30, 20045
May 31, 20045
April 30, 20045
March 31, 20045
February 29, 20044

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Fred R. LummisDirector311,147less than 0.1%2005-12-31
Steven J. MoskowitzPresident, U.S. Operations114,716less than 0.1%2008-11-26
Edmund DiSantoEVP, Chief Admin Ofc, GC & Sec66,040less than 0.1%2014-04-01
Amit SharmaN/A47,688less than 0.1%2014-03-12
J. Michael Gearon,JrPres., American Tower Int'l.40,745less than 0.1%2005-12-22
William H. HessEVP, Int'l. Operations38,873less than 0.1%2014-12-31
James D. Taiclet,JrChairman, President and CEO, Director36,497less than 0.1%2014-10-13
Thomas A. BartlettEVP, CFO &Treasurer33,105less than 0.1%2014-10-08
Steven C. MarshallEVP & President, U.S. Tower26,633less than 0.1%2014-03-12
Ronald M. DykesDirector20,285less than 0.1%2014-11-25

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
T. Rowe Price Associates, Inc.26,052,3822014-12-316.570.552,575,278,000
Vanguard Group, Inc.21,043,8102014-12-315.300.152,080,181,000
State Street Corp17,852,1072014-12-314.500.181,764,678,000
BlackRock Fund Advisors12,297,8142014-12-313.100.171,215,639,000
Fidelity Management and Research Company11,901,6462014-09-303.000.161,114,350,000
Capital World Investors9,815,3382014-12-312.430.26951,597,000
MFS Investment Management K.K.9,178,1692014-12-312.310.46907,262,006
Invesco Advisers, Inc8,082,0962014-12-312.040.51798,916,000
Jennison Associates LLC7,352,5052014-12-311.850.68726,795,000
Vanguard Total Stock Mkt Idx6,829,6742015-01-311.720.17662,136,894

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