American Tower Corporation (REIT) Institutional Ownership

AMT 
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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 92.82%
Total Shares Outstanding (millions) 396
Total Value of Holdings (millions) $36,626

Active Positions

Holders Shares
Increased Positions 333 21,933,571
Decreased Positions 303 25,300,468
Held Positions 93 320,757,989
Total Institutional Shares 729 367,992,028

New and Sold Out Positions


Holders Shares
New Positions 66 3,141,801
Sold Out Positions 36 2,445,215

729 Institutional Holders
367,992,028 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)
DAI ICHI LIFE INSURANCE CO., LTD. 09/30/2014 39,193 23,471 149.29 3,901
BOSTON FINANCIAL MANGEMENT INC /MA 09/30/2014 39,189 8,955 29.62 3,900
CLARIVEST ASSET MANAGEMENT LLC 09/30/2014 38,853 0 0.00 3,867
ZWEIG-DIMENNA ASSOCIATES LLC 09/30/2014 38,749 (245,659) (86.38) 3,857
WESTWOOD HOLDINGS GROUP INC 09/30/2014 38,400 (1,400) (3.52) 3,822
C M BIDWELL & ASSOCIATES LTD 09/30/2014 38,095 38,095 New 3,792
GOFEN & GLOSSBERG LLC /IL/ 09/30/2014 37,761 706 1.91 3,758
PLACEMARK INVESTMENTS, INC. 09/30/2014 37,072 248 .67 3,690
DRIEHAUS CAPITAL MANAGEMENT LLC 09/30/2014 37,000 37,000 New 3,683
LMR MASTER FUND LTD 12/31/2013 36,769 36,769 New 3,660
PROFUND ADVISORS LLC 09/30/2014 35,770 (4,564) (11.32) 3,560
WILKINS INVESTMENT COUNSEL INC 09/30/2014 35,700 0 0.00 3,553
QUANTBOT TECHNOLOGIES LP 09/30/2014 35,565 35,565 New 3,540
MAIN STREET RESEARCH LLC 09/30/2014 35,310 470 1.35 3,514
SUMITOMO LIFE INSURANCE CO 09/30/2014 35,296 (970) (2.68) 3,513

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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