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AMTM

Amentum Holdings, Inc.

Company with tickers: AMTM

CIK
2011286
CUSIP
023939101
Shares Outstanding
244,316,319
13F Activity (30d)
269 filings 256 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
2026-05-18 2,228,439 2,404,296 4,632,735 54.1%
2026-05-11 5,125,433 2,606,015 7,731,448 48.3%
Showing 1–2 of 2 weeks