CECO
Ceco Environmental CorpCompany with tickers: CECO
CIK
3197
CUSIP
125141101
Shares Outstanding
35,873,031
13F Activity (30d)
114 filings
110 filers
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 |
|---|---|---|---|---|
| 2026-05-04 | 1,599,092 | 661,346 | 2,260,438 | 44.0% |
| 2026-04-27 | 1,433,082 | 429,416 | 1,862,498 | 38.7% |
| 2026-04-20 | 590,569 | 160,110 | 750,679 | 39.3% |
| 2026-04-13 | 392,330 | 125,711 | 518,041 | 37.5% |
| 2026-04-06 | 576,505 | 168,847 | 745,352 | 33.7% |
| 2026-03-30 | 549,257 | 193,400 | 742,657 | 43.8% |
| 2026-03-23 | 950,163 | 300,392 | 1,250,555 | 39.3% |
| 2026-03-16 | 936,502 | 379,638 | 1,316,140 | 38.2% |
| 2026-03-09 | 1,030,757 | 295,893 | 1,326,650 | 39.5% |
| 2026-03-02 | 1,308,789 | 418,343 | 1,727,132 | 37.5% |
| 2026-02-23 | 2,311,786 | 704,905 | 3,016,691 | 36.5% |
| 2026-02-16 | 389,754 | 289,648 | 679,402 | 45.8% |
| 2026-02-09 | 440,911 | 136,692 | 577,603 | 38.9% |
| 2026-02-02 | 499,289 | 152,457 | 651,746 | 42.4% |
| 2026-01-26 | 495,941 | 137,463 | 633,404 | 47.2% |
| 2026-01-19 | 280,686 | 94,638 | 375,324 | 37.8% |
| 2026-01-12 | 337,593 | 161,279 | 498,872 | 44.7% |
| 2026-01-05 | 296,856 | 165,321 | 462,177 | 38.8% |
| 2025-12-29 | 163,398 | 73,211 | 236,609 | 31.9% |
| 2025-12-22 | 219,927 | 107,284 | 327,211 | 40.2% |
| 2025-12-15 | 539,393 | 370,514 | 909,907 | 37.5% |
| 2025-12-08 | 412,613 | 117,125 | 529,738 | 34.7% |
| 2025-12-01 | 274,933 | 158,565 | 433,498 | 36.8% |
| 2025-11-24 | 205,059 | 74,288 | 279,347 | 36.0% |
| 2025-11-17 | 674,374 | 253,521 | 927,895 | 39.7% |
| 2025-11-10 | 356,345 | 224,212 | 580,557 | 36.0% |
| 2025-11-03 | 621,108 | 242,220 | 863,328 | 36.2% |
| 2025-10-27 | 1,508,450 | 528,413 | 2,036,863 | 41.3% |
| 2025-10-20 | 827,955 | 140,184 | 968,139 | 44.4% |
| 2025-10-13 | 917,829 | 469,457 | 1,387,286 | 43.5% |
| 2025-10-06 | 834,282 | 219,865 | 1,054,147 | 46.1% |
| 2025-09-29 | 1,007,130 | 278,738 | 1,285,868 | 43.2% |
| 2025-09-22 | 995,019 | 220,845 | 1,215,864 | 45.7% |
| 2025-09-15 | 1,182,157 | 525,592 | 1,707,749 | 40.8% |
| 2025-09-08 | 721,265 | 233,956 | 955,221 | 42.0% |
| 2025-09-01 | 539,825 | 593,990 | 1,133,815 | 43.9% |
| 2025-08-25 | 512,735 | 248,720 | 761,455 | 36.8% |
| 2025-08-18 | 436,464 | 189,468 | 625,932 | 38.8% |
| 2025-08-11 | 455,680 | 289,898 | 745,578 | 38.9% |
| 2025-08-04 | 687,856 | 389,055 | 1,076,911 | 41.6% |
| 2025-07-28 | 1,287,676 | 579,913 | 1,867,589 | 45.4% |
| 2025-07-21 | 258,468 | 93,705 | 352,173 | 35.5% |
| 2025-07-14 | 217,647 | 90,614 | 308,261 | 30.4% |
| 2025-07-07 | 226,305 | 99,722 | 326,027 | 29.7% |
| 2025-06-30 | 260,068 | 80,021 | 340,089 | 33.3% |
| 2025-06-23 | 311,034 | 126,144 | 437,178 | 33.9% |
| 2025-06-16 | 351,181 | 226,076 | 577,257 | 39.3% |
Showing 1–47 of 47 weeks