News + Filings Key Docs Charts Ownership
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AMERICAN TECHNOLOGY CORP (LRAD)
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Portfolio as of: |
| Name | Shares | Change | Value | % Port | % OS | Hist | Date |
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MARXE AUSTIN W & GREENHOUSE DAVID M
| 3,197,181 | 0 | 4,732,000 | 0.63 | |
Hist
| 12/31/2009 |
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BlackRock Institutional Trust Company, N.A.
| 913,366 | 339 | 1,407,000 | 0.00 | |
Hist
| 03/31/2010 |
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VANGUARD GROUP INC
| 550,652 | 7,100 | 815,000 | 0.00 | |
Hist
| 12/31/2009 |
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HARRISON WALTER F III/NY
| 468,035 | 0 | 692,692 | 0.36 | |
Hist
| 12/31/2009 |
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BlackRock Fund Advisors
| 53,869 | 8,339 | 83,000 | 0.00 | |
Hist
| 03/31/2010 |
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Bank of New York Mellon Corp
| 33,429 | 0 | 50,000 | 0.00 | |
Hist
| 12/31/2009 |
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STATE STREET CORP
| 28,203 | 0 | 42,000 | 0.00 | |
Hist
| 12/31/2009 |
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FIRST NEW YORK SECURITIES LLC /NY
| 24,657 | -343 | 36,000 | 0.01 | |
Hist
| 12/31/2009 |
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UBS AG
| 6,922 | 2,775 | 10,000 | 0.00 | |
Hist
| 12/31/2009 |
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AMERICAN INTERNATIONAL GROUP, INC.
| 5,000 | 0 | 7,000 | 0.00 | |
Hist
| 12/31/2009 |
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BlackRock Investment Management, LLC
| 1,700 | 0 | 3,000 | 0.00 | |
Hist
| 12/31/2009 |
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ClariVest Asset Management LLC
| 2,200 | 2,200 | 3,000 | 0.00 | |
Hist
| 03/31/2010 |
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