American Tower Corporation (REIT) Institutional Ownership

AMT 
$94.18
*  
0.98
1.03%
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Exchange: NYSE
Industry: Consumer Services
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 94.48%
Total Shares Outstanding (millions) 423
Total Value of Holdings (millions) $38,039

Active Positions

Holders Shares
Increased Positions 422 49,225,265
Decreased Positions 306 21,004,334
Held Positions 93 329,511,374
Total Institutional Shares 821 399,740,973

New and Sold Out Positions


Holders Shares
New Positions 72 6,930,524
Sold Out Positions 68 4,247,917

422 Increased Institutional Holders
49,225,265 Increased Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
RHUMBLINE ADVISERS 03/31/2015 703,610 15,779 2.29 66,956
GUGGENHEIM CAPITAL LLC 03/31/2015 696,442 46,023 7.08 66,273
PARAMETRIC PORTFOLIO ASSOCIATES LLC 03/31/2015 648,478 11,759 1.85 61,709
MILLENNIUM MANAGEMENT LLC 03/31/2015 637,240 571,320 866.69 60,640
AXA 03/31/2015 625,794 47,370 8.19 59,551
HSBC HOLDINGS PLC 03/31/2015 620,850 112,221 22.06 59,080
AQR CAPITAL MANAGEMENT LLC 03/31/2015 601,819 9,281 1.57 57,269
CITADEL ADVISORS LLC 03/31/2015 595,110 315,099 112.53 56,631
MIZUHO TRUST & BANKING CO., LTD. 03/31/2015 584,397 60,003 11.44 55,611
PRUDENTIAL FINANCIAL INC 03/31/2015 546,876 25,790 4.95 52,041
GREAT WEST LIFE ASSURANCE CO /CAN/ 03/31/2015 544,408 112,932 26.17 51,806
US BANCORP \DE\ 03/31/2015 535,294 6,205 1.17 50,939
ECHO STREET CAPITAL MANAGEMENT LLC 03/31/2015 521,009 521,009 New 49,579
SENTRY INVESTMENTS CORP. 03/31/2015 519,534 83,129 19.05 49,439
AGF INVESTMENTS INC. 03/31/2015 518,460 97,178 23.07 49,337

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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