AMTM (Amentum Holdings Inc.) historical data

STOCKListed1-minute bars

SymbolAMTM
NameAmentum Holdings Inc.
ExchangeNYSE
SectorIndustrials
IndustryAerospace & Defense
IPO date2024-09-24
History2024-09-30 to 2026-10-09 (about 2 years)
Bar sizesDaily, hourly, 5-minute and 1-minute
AdjustmentsUnadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read
SurvivorshipIncluded in the survivorship-free universe
Free tierLast 12 months of daily bars

Price history at a glance

AMTM last closed at $19.29 on 2026-10-09, -19.3% over the past year. Its deepest fall from a prior high in this history was -51.7%, reached on 2026-09-30.

Last close$19.29 (2026-10-09)
1-year change-19.3%
Annualized since 2024-09-30-22.4%
52-week range$18.12 – $37.53
Deepest drawdown-51.7% (2026-09-30)
Avg. daily dollar volume (3 months)$42.1m
Daily bars in history509

Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.

Institutional ownership (13F, 2026Q2)

Managers holding459
Shares held219,069,874 ($4.5bn reported value)
Quarter flows59 new, 148 added, 158 trimmed, 86 exited; +8,017,948 shares vs the prior quarter

From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("AMTM") on the look-back bundles. Top holders of AMTM · All 13F managers

Get it in Python

import finzdata as yf
df = yf.Ticker("AMTM").history(start="2024-09-30", interval="1d")
df.tail()

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