TTEK · Tetra Tech Inc
$36.51
+0.08 (+0.22%)
At close · Aug 14
Market Cap
$9.09B
Shares
256.04M
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 |
|---|---|---|---|---|
| 2026-07-06 | 3,896,182 | 1,498,775 | 5,394,957 | 40.3% |
| 2026-06-29 | 2,690,127 | 1,001,727 | 3,691,854 | 36.9% |
| 2026-06-22 | 6,391,863 | 3,058,843 | 9,450,706 | 42.1% |
| 2026-06-15 | 4,265,260 | 3,606,173 | 7,871,433 | 37.2% |
| 2026-06-08 | 4,293,321 | 3,557,342 | 7,850,663 | 44.7% |
| 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 | 47.5% |
| 2026-05-18 | 4,172,368 | 2,542,841 | 6,715,209 | 41.5% |
| 2026-05-11 | 7,465,108 | 4,912,727 | 12,377,835 | 46.5% |
| 2026-05-04 | 3,972,079 | 1,764,692 | 5,736,771 | 39.3% |
| 2026-04-27 | 6,208,689 | 3,253,206 | 9,461,895 | 43.7% |
| 2026-04-20 | 3,004,174 | 1,628,324 | 4,632,498 | 42.5% |
| 2026-04-13 | 3,846,897 | 2,173,083 | 6,019,980 | 42.3% |
| 2026-04-06 | 2,846,881 | 2,327,636 | 5,174,517 | 45.8% |
| 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% |
Showing 1–47 of 47 weeks
Key facts
CIK
831641
CUSIP
88162G103
13F (30d)
512 filings
508 filers
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