News + Filings Holdings
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BARRETT ASSOCIATES INC / NY
> TTEK
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 05/12/2011 | TETRA TECH INC | TTEK | 333,545 | -52,545 | 8,236,000 | -1,440,000 | $24.69 |
| 02/11/2011 | TETRA TECH INC | TTEK | 386,090 | -5,500 | 9,676,000 | 1,464,000 | $25.06 |
| 11/11/2010 | TETRA TECH INC | TTEK | 391,590 | -4,900 | 8,212,000 | 436,000 | $20.97 |
| 08/12/2010 | TETRA TECH INC | TTEK | 396,490 | 36,950 | 7,776,000 | -508,000 | $19.61 |
| 03/31/2010 | TETRA TECH INC | TTEK | 359,540 | 159,230 | 8,284,000 | 2,841,000 | $23.04 |
| 02/12/2010 | TETRA TECH INC | TTEK | 200,310 | 199,960 | 5,443,000 | 5,433,000 | $27.17 |
| 09/30/2009 | TETRA TECH INC | TTEK | 350 | 350 | 10,000 | 10,000 | $28.57 |
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