American Tower Corporation (REIT) Institutional Ownership

AMT 
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0.11
0.12%
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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 88.26%
Total Shares Outstanding (millions) 423
Total Value of Holdings (millions) $34,729

Active Positions

Holders Shares
Increased Positions 406 25,594,903
Decreased Positions 286 21,326,341
Held Positions 99 326,506,792
Total Institutional Shares 791 373,428,036

New and Sold Out Positions


Holders Shares
New Positions 85 4,093,216
Sold Out Positions 50 1,646,915

791 Institutional Holders
373,428,036 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)
DINSMORE CAPITAL MANAGEMENT CO/NJ 12/31/2014 15,000 3,000 25 1,395
TRELLUS MANAGEMENT COMPANY, LLC 12/31/2014 15,000 0 0.00 1,395
TOWER RESEARCH CAPITAL LLC (TRC) 12/31/2014 14,881 14,881 New 1,384
AMALGAMATED BANK 03/31/2015 14,753 4,130 38.88 1,372
SCHRODER INVESTMENT MANAGEMENT GROUP 12/31/2014 14,490 10,920 305.88 1,348
BLUEFIN TRADING, LLC 12/31/2014 14,396 10,933 315.71 1,339
DAVIDSON D A & CO 12/31/2014 14,353 1,320 10.13 1,335
PARADIGM ASSET MANAGEMENT CO LLC 12/31/2014 14,250 400 2.89 1,325
KENTUCKY RETIREMENT SYSTEMS INSURANCE TRUST FUND 12/31/2014 14,088 113 .81 1,310
FORTALEZA ASSET MANAGEMENT INC/ 03/31/2015 14,070 14,070 New 1,309
CHILTON CAPITAL MANAGEMENT LLC 12/31/2014 13,980 (78,996) (84.96) 1,300
PALOMA PARTNERS MANAGEMENT CO 12/31/2014 13,900 11,600 504.35 1,293
MUNICIPAL EMPLOYEES' RETIREMENT SYSTEM OF MICHIGAN 12/31/2014 13,700 0 0.00 1,274
GABELLI FUNDS LLC 03/31/2015 13,500 500 3.85 1,256
CONNING INC. 03/31/2015 13,487 170 1.28 1,254

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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