ARQ (Arq Inc.) historical data

STOCKListed1-minute bars

SymbolARQ
NameArq Inc.
ExchangeNASDAQ
SectorIndustrials
IndustryIndustrial - Pollution & Treatment Controls
IPO date2004-01-23
History2007-05-17 to 2026-10-09 (about 19 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

ARQ last closed at $2.03 on 2026-10-09, -70.1% over the past year and -67.8% over five years. Its deepest fall from a prior high in this history was -95.7%, reached on 2023-06-20.

Last close$2.03 (2026-10-09)
1-year change-70.1%
5-year change-67.8%
Annualized since 2007-05-17-7.8%
52-week range$1.64 – $7.21
Deepest drawdown-95.7% (2023-06-20)
Avg. daily dollar volume (3 months)$474,206
Daily bars in history4,873

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

Institutional ownership (13F, 2026Q2)

Managers holding99
Shares held15,506,771 ($39.5m reported value)
Quarter flows27 new, 37 added, 24 trimmed, 24 exited; +833,646 shares vs the prior quarter

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

Short interest (2026-09-30)

Shares short497,934 (+6.8% vs prior report)
Days to cover2.29

ARQ short interest history · Industrials sector

Get it in Python

import finzdata as yf
df = yf.Ticker("ARQ").history(start="2007-05-17", interval="1d")
df.tail()

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