American Tower Corporation (REIT) Institutional Ownership

AMT 
$94.91
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0.90
0.96%
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Exchange: NYSE
Industry: Consumer Services
Community Rating:
 
 
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 94.49%
Total Shares Outstanding (millions) 423
Total Value of Holdings (millions) $37,581

Active Positions

Holders Shares
Increased Positions 421 49,115,240
Decreased Positions 304 20,924,169
Held Positions 94 329,717,465
Total Institutional Shares 819 399,756,874

New and Sold Out Positions


Holders Shares
New Positions 71 6,947,958
Sold Out Positions 67 4,174,867

71 New Institutional Holders
6,947,958 New 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)
CORTLAND ADVISERS LLC 03/31/2015 2,000,000 2,000,000 New 188,020
CARLSON CAPITAL L P 03/31/2015 875,740 875,740 New 82,328
ECHO STREET CAPITAL MANAGEMENT LLC 03/31/2015 521,009 521,009 New 48,980
PARTNER FUND MANAGEMENT, L.P. 03/31/2015 480,730 480,730 New 45,193
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC 03/31/2015 428,503 428,503 New 40,284
MAPLELANE CAPITAL, LLC 03/31/2015 300,001 300,001 New 28,203
1832 ASSET MANAGEMENT L.P. 03/31/2015 253,400 253,400 New 23,822
RAINIER INVESTMENT MANAGEMENT LLC 03/31/2015 250,910 250,910 New 23,588
TYRUS CAPITAL S.A.M. 03/31/2015 207,000 207,000 New 19,460
DORSAL CAPITAL MANAGEMENT, LLC 03/31/2015 175,000 175,000 New 16,452
CAPITAL FUND MANAGEMENT S.A. 03/31/2015 166,755 166,755 New 15,677
UNION POINT ADVISORS, LLC 03/31/2015 139,596 139,596 New 13,123
MAGNETAR FINANCIAL LLC 03/31/2015 125,000 125,000 New 11,751
WINTON CAPITAL GROUP LTD 03/31/2015 121,332 121,332 New 11,406
PEAK6 INVESTMENTS, L.P. 03/31/2015 82,693 82,693 New 7,774

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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