ATEC
Alphatec Holdings, Inc.Company with tickers: ATEC
CIK
1350653
CUSIP
02081G201
Shares Outstanding
153,789,305
13F Activity (30d)
134 filings
116 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 | 14,140,855 | 11,228,284 | 25,369,139 | 52.1% |
| 2026-04-27 | 4,020,539 | 3,171,258 | 7,191,797 | 52.3% |
| 2026-04-20 | 3,713,960 | 1,765,946 | 5,479,906 | 42.0% |
| 2026-04-13 | 2,858,012 | 1,867,218 | 4,725,230 | 50.6% |
| 2026-04-06 | 2,229,670 | 1,340,501 | 3,570,171 | 38.4% |
| 2026-03-30 | 2,498,011 | 1,772,922 | 4,270,933 | 45.9% |
| 2026-03-23 | 2,524,900 | 1,638,789 | 4,163,689 | 41.5% |
| 2026-03-16 | 2,494,177 | 1,745,334 | 4,239,511 | 38.9% |
| 2026-03-09 | 3,202,647 | 3,986,852 | 7,189,499 | 45.8% |
| 2026-03-02 | 2,542,701 | 1,636,494 | 4,179,195 | 41.2% |
| 2026-02-23 | 4,173,968 | 4,235,301 | 8,409,269 | 44.9% |
| 2026-02-16 | 2,068,480 | 1,245,796 | 3,314,276 | 39.1% |
| 2026-02-09 | 3,198,285 | 2,492,154 | 5,690,439 | 44.5% |
| 2026-02-02 | 3,882,314 | 3,575,430 | 7,457,744 | 49.3% |
| 2026-01-26 | 3,007,395 | 4,251,947 | 7,259,342 | 49.3% |
| 2026-01-19 | 3,408,483 | 2,658,314 | 6,066,797 | 45.2% |
| 2026-01-12 | 10,301,310 | 9,245,711 | 19,547,021 | 50.7% |
| 2026-01-05 | 3,168,150 | 2,212,530 | 5,380,680 | 44.1% |
| 2025-12-29 | 1,246,781 | 1,024,847 | 2,271,628 | 41.3% |
| 2025-12-22 | 1,885,720 | 1,771,789 | 3,657,509 | 45.5% |
| 2025-12-15 | 2,012,488 | 2,481,158 | 4,493,646 | 44.7% |
| 2025-12-08 | 2,066,831 | 4,986,821 | 7,053,652 | 58.0% |
| 2025-12-01 | 2,216,453 | 2,344,904 | 4,561,357 | 45.6% |
| 2025-11-24 | 2,064,257 | 1,635,570 | 3,699,827 | 44.4% |
| 2025-11-17 | 1,912,572 | 1,431,303 | 3,343,875 | 37.7% |
| 2025-11-10 | 2,381,877 | 4,570,710 | 6,952,587 | 52.1% |
| 2025-11-03 | 3,660,353 | 3,054,862 | 6,715,215 | 45.0% |
| 2025-10-27 | 5,020,247 | 5,820,547 | 10,840,794 | 47.8% |
| 2025-10-20 | 2,312,071 | 2,417,474 | 4,729,545 | 49.1% |
| 2025-10-13 | 2,953,650 | 2,288,931 | 5,242,581 | 46.9% |
| 2025-10-06 | 2,086,201 | 1,970,431 | 4,056,632 | 45.0% |
| 2025-09-29 | 2,453,696 | 1,436,051 | 3,889,747 | 37.7% |
| 2025-09-22 | 1,584,857 | 1,044,165 | 2,629,022 | 41.6% |
| 2025-09-15 | 1,794,519 | 1,570,432 | 3,364,951 | 39.1% |
| 2025-09-08 | 2,131,303 | 2,227,985 | 4,359,288 | 43.1% |
| 2025-09-01 | 1,815,133 | 2,551,151 | 4,366,284 | 45.8% |
| 2025-08-25 | 2,331,902 | 2,118,031 | 4,449,933 | 42.5% |
| 2025-08-18 | 2,195,193 | 1,834,572 | 4,029,765 | 42.7% |
| 2025-08-11 | 2,405,414 | 1,741,265 | 4,146,679 | 38.7% |
| 2025-08-04 | 4,767,282 | 6,216,339 | 10,983,621 | 47.1% |
| 2025-07-28 | 5,289,655 | 4,954,150 | 10,243,805 | 48.9% |
| 2025-07-21 | 1,382,250 | 753,464 | 2,135,714 | 34.4% |
| 2025-07-14 | 1,246,580 | 682,815 | 1,929,395 | 32.4% |
| 2025-07-07 | 1,715,596 | 1,444,753 | 3,160,349 | 36.7% |
| 2025-06-30 | 1,223,599 | 524,267 | 1,747,866 | 31.2% |
| 2025-06-23 | 2,023,302 | 2,139,622 | 4,162,924 | 41.5% |
| 2025-06-16 | 1,344,677 | 1,049,900 | 2,394,577 | 40.0% |
| 2025-06-09 | 2,398,695 | 1,080,798 | 3,479,493 | 34.5% |
| 2025-06-02 | 1,421,615 | 834,884 | 2,256,499 | 32.0% |
| 2025-05-26 | 1,189,001 | 1,821,440 | 3,010,441 | 46.1% |
Showing 1–50 of 231 weeks