American Tower Corporation (REIT) Institutional Ownership

AMT 
$96.32
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0.36
0.37%
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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 94.75%
Total Shares Outstanding (millions) 423
Total Value of Holdings (millions) $38,756

Active Positions

Holders Shares
Increased Positions 407 49,897,177
Decreased Positions 312 21,098,988
Held Positions 95 329,876,538
Total Institutional Shares 814 400,872,703

New and Sold Out Positions


Holders Shares
New Positions 66 6,781,327
Sold Out Positions 66 4,517,625

407 Increased Institutional Holders
49,897,177 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)
TWO SIGMA ADVISERS, LLC 03/31/2015 135,498 119,200 731.38 13,100
WMS PARTNERS, LLC 06/30/2015 134,845 18 .01 13,037
BAIRD ROBERT W & CO INC /WI/ 03/31/2015 131,225 5,674 4.52 12,687
WESTPAC BANKING CORP 03/31/2015 125,887 37,301 42.11 12,171
ROYAL LONDON ASSET MANAGEMENT LTD 12/31/2014 125,525 28,429 29.28 12,136
MAGNETAR FINANCIAL LLC 03/31/2015 125,000 125,000 New 12,085
HALSEY ASSOCIATES INC/CT 03/31/2015 123,884 18,173 17.19 11,977
WINTON CAPITAL GROUP LTD 03/31/2015 121,332 121,332 New 11,730
GAM HOLDING AG 06/30/2015 115,928 82,619 248.04 11,208
GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC 03/31/2015 115,500 13,300 13.01 11,167
ONTARIO TEACHERS PENSION PLAN BOARD 03/31/2015 110,939 47,470 74.79 10,726
EP WEALTH ADVISORS, INC. 03/31/2015 110,685 107,958 3,958.86 10,701
BROWN BROTHERS HARRIMAN & CO 03/31/2015 108,780 367 .34 10,517
AUREUS ASSET MANAGEMENT, LLC 03/31/2015 107,633 5,180 5.06 10,406
TIMESSQUARE CAPITAL MANAGEMENT, LLC 03/31/2015 106,218 5,520 5.48 10,269

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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