TTEK
Tetra Tech IncCompany with tickers: TTEK
Market Cap
$7.59B
Shares Outstanding
259,524,699
CIK
831641
CUSIP
88162G103
13F Activity (30d)
16 filings
4 filers
Website
Visit website
Investor Relations
Investor relations
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-06-01 | 5,691,476 | 4,913,417 | 10,604,893 | 53.0% |
| 2026-05-25 | 4,111,895 | 2,698,078 | 6,809,973 | 48.4% |
| 2026-05-18 | 4,172,368 | 2,542,841 | 6,715,209 | 45.5% |
| 2026-05-11 | 7,465,108 | 4,912,727 | 12,377,835 | 62.4% |
| 2026-05-04 | 3,972,079 | 1,764,692 | 5,736,771 | 45.4% |
| 2026-04-27 | 6,208,689 | 3,253,206 | 9,461,895 | 51.2% |
| 2026-04-20 | 3,004,174 | 1,628,324 | 4,632,498 | 48.9% |
| 2026-04-13 | 3,846,897 | 2,173,083 | 6,019,980 | 49.9% |
| 2026-04-06 | 2,846,881 | 2,327,636 | 5,174,517 | 46.1% |
| 2026-03-30 | 2,121,694 | 926,052 | 3,047,746 | 37.6% |
| 2026-03-23 | 3,676,699 | 1,917,022 | 5,593,721 | 35.3% |
| 2026-03-16 | 4,598,999 | 2,685,463 | 7,284,462 | 43.3% |
| 2026-03-09 | 3,386,411 | 1,718,689 | 5,105,100 | 45.8% |
| 2026-03-02 | 2,943,063 | 1,579,712 | 4,522,775 | 39.8% |
| 2026-02-23 | 6,099,020 | 2,201,630 | 8,300,650 | 45.4% |
| 2026-02-16 | 3,942,868 | 1,973,152 | 5,916,020 | 48.7% |
| 2026-02-09 | 7,932,564 | 2,166,127 | 10,098,691 | 43.2% |
| 2026-02-02 | 5,555,161 | 2,985,243 | 8,540,404 | 41.2% |
| 2026-01-26 | 4,489,853 | 1,773,395 | 6,263,248 | 42.0% |
| 2026-01-19 | 2,033,980 | 1,552,217 | 3,586,197 | 47.9% |
| 2026-01-12 | 2,839,233 | 2,602,668 | 5,441,901 | 50.0% |
| 2026-01-05 | 3,184,411 | 2,149,311 | 5,333,722 | 47.3% |
| 2025-12-29 | 799,027 | 525,879 | 1,324,906 | 34.8% |
| 2025-12-22 | 741,486 | 337,596 | 1,079,082 | 31.1% |
| 2025-12-15 | 3,182,086 | 1,641,701 | 4,823,787 | 37.9% |
| 2025-12-08 | 3,122,702 | 1,216,713 | 4,339,415 | 38.5% |
| 2025-12-01 | 2,969,923 | 1,744,055 | 4,713,978 | 43.1% |
| 2025-11-24 | 3,107,655 | 1,010,843 | 4,118,498 | 38.4% |
| 2025-11-17 | 4,881,641 | 2,258,100 | 7,139,741 | 41.7% |
| 2025-11-10 | 6,640,900 | 3,090,560 | 9,731,460 | 44.9% |
| 2025-11-03 | 3,109,663 | 1,819,002 | 4,928,665 | 44.4% |
| 2025-10-27 | 2,624,100 | 1,276,323 | 3,900,423 | 39.5% |
| 2025-10-20 | 2,849,985 | 1,363,788 | 4,213,773 | 43.5% |
| 2025-10-13 | 3,654,130 | 1,722,158 | 5,376,288 | 41.4% |
| 2025-10-06 | 2,037,472 | 1,050,183 | 3,087,655 | 34.3% |
| 2025-09-29 | 3,978,824 | 1,306,963 | 5,285,787 | 38.7% |
| 2025-09-22 | 3,286,538 | 1,387,714 | 4,674,252 | 43.6% |
| 2025-09-15 | 3,108,854 | 1,669,050 | 4,777,904 | 37.8% |
| 2025-09-08 | 2,919,069 | 1,665,923 | 4,584,992 | 47.1% |
| 2025-09-01 | 2,284,592 | 2,721,939 | 5,006,531 | 51.8% |
| 2025-08-25 | 2,447,308 | 2,573,523 | 5,020,831 | 46.5% |
| 2025-08-18 | 1,887,865 | 1,031,797 | 2,919,662 | 37.5% |
| 2025-08-11 | 2,244,440 | 1,195,629 | 3,440,069 | 38.9% |
| 2025-08-04 | 3,139,775 | 2,341,201 | 5,480,976 | 48.5% |
| 2025-07-28 | 3,437,256 | 1,122,998 | 4,560,254 | 39.5% |
| 2025-07-21 | 2,073,328 | 723,731 | 2,797,059 | 36.3% |
| 2025-07-14 | 2,483,216 | 591,605 | 3,074,821 | 38.5% |
| 2025-07-07 | 2,386,155 | 1,577,211 | 3,963,366 | 48.1% |
| 2025-06-30 | 1,364,132 | 852,782 | 2,216,914 | 36.9% |
Showing 1–49 of 49 weeks