AMTM · Amentum Holdings, Inc. · Off Exchange
$21.76
+0.47 (+2.21%)
At close · Oct 23
Return incl. dividend (before tax)
Market Cap
$5.32B
Shares
244.51M
Volume · Oct 23
2.08M
Avg daily vol (3M)
2.02M
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 |
|---|---|---|---|---|
| 2026-09-14 | 1,807,782 | 1,477,736 | 3,285,518 | 30.9% |
| 2026-09-07 | 1,378,618 | 1,167,293 | 2,545,911 | 37.7% |
| 2026-08-31 | 2,040,486 | 1,121,425 | 3,161,911 | 41.0% |
| 2026-08-24 | 2,486,608 | 1,755,372 | 4,241,980 | 42.7% |
| 2026-08-17 | 5,689,119 | 2,007,292 | 7,696,411 | 46.8% |
| 2026-08-10 | 4,871,850 | 2,568,437 | 7,440,287 | 42.0% |
| 2026-08-03 | 2,232,768 | 919,380 | 3,152,148 | 41.2% |
| 2026-07-27 | 2,316,507 | 1,668,066 | 3,984,573 | 46.6% |
| 2026-07-20 | 2,603,358 | 1,702,452 | 4,305,810 | 44.0% |
| 2026-07-13 | 1,848,872 | 988,210 | 2,837,082 | 37.7% |
| 2026-07-06 | 2,458,013 | 1,326,314 | 3,784,327 | 39.8% |
| 2026-06-29 | 2,882,728 | 1,085,903 | 3,968,631 | 41.5% |
| 2026-06-22 | 2,769,570 | 1,395,949 | 4,165,519 | 38.5% |
| 2026-06-15 | 1,674,162 | 1,421,819 | 3,095,981 | 36.5% |
| 2026-06-08 | 1,637,462 | 2,129,030 | 3,766,492 | 44.6% |
| 2026-06-01 | 2,228,571 | 1,804,037 | 4,032,608 | 46.8% |
| 2026-05-25 | 2,250,296 | 1,759,087 | 4,009,383 | 41.1% |
| 2026-05-18 | 2,228,439 | 2,404,296 | 4,632,735 | 46.3% |
| 2026-05-11 | 5,125,433 | 2,606,014 | 7,731,447 | 44.4% |
| 2026-05-04 | 2,435,772 | 1,985,377 | 4,421,149 | 48.1% |
| 2026-04-27 | 1,962,341 | 1,593,490 | 3,555,831 | 46.2% |
| 2026-04-20 | 2,326,815 | 1,802,281 | 4,129,096 | 47.6% |
| 2026-04-13 | 1,910,475 | 1,239,292 | 3,149,767 | 40.0% |
| 2026-04-06 | 2,532,867 | 1,346,291 | 3,879,158 | 48.1% |
| 2026-03-30 | 1,756,921 | 729,676 | 2,486,597 | 28.1% |
| 2026-03-23 | 2,008,591 | 845,502 | 2,854,093 | 41.3% |
| 2026-03-16 | 2,583,557 | 1,414,611 | 3,998,168 | 39.2% |
| 2026-03-09 | 2,773,708 | 1,485,286 | 4,258,994 | 44.5% |
| 2026-03-02 | 2,968,066 | 985,735 | 3,953,801 | 38.3% |
| 2026-02-23 | 2,748,432 | 1,268,605 | 4,017,037 | 43.3% |
| 2026-02-16 | 1,867,661 | 998,915 | 2,866,576 | 43.0% |
| 2026-02-09 | 4,655,380 | 4,427,778 | 9,083,158 | 44.0% |
| 2026-02-02 | 3,923,121 | 2,341,035 | 6,264,156 | 46.4% |
| 2026-01-26 | 2,785,006 | 1,579,933 | 4,364,939 | 44.2% |
| 2026-01-19 | 1,630,317 | 954,449 | 2,584,766 | 43.3% |
| 2026-01-12 | 2,483,034 | 1,875,245 | 4,358,279 | 49.5% |
| 2026-01-05 | 2,797,076 | 2,023,700 | 4,820,776 | 43.7% |
| 2025-12-29 | 1,577,138 | 970,853 | 2,547,991 | 41.7% |
| 2025-12-22 | 1,131,668 | 940,764 | 2,072,432 | 46.6% |
| 2025-12-15 | 3,383,215 | 1,274,373 | 4,657,588 | 43.0% |
| 2025-12-08 | 3,175,910 | 2,223,263 | 5,399,173 | 42.5% |
| 2025-12-01 | 3,591,760 | 2,153,008 | 5,744,768 | 42.7% |
| 2025-11-24 | 5,035,463 | 3,542,440 | 8,577,903 | 45.3% |
| 2025-11-17 | 5,329,678 | 4,825,385 | 10,155,063 | 48.8% |
| 2025-11-10 | 1,566,010 | 1,746,054 | 3,312,064 | 45.6% |
| 2025-11-03 | 1,344,114 | 708,812 | 2,052,926 | 38.4% |
| 2025-10-27 | 2,349,770 | 1,713,721 | 4,063,491 | 51.3% |
Showing 1–47 of 47 weeks
Key facts
CIK
2011286
CUSIP
023939101
13F (30d)
83 filings
83 filers
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