What is the 13F Pro Quality Score for ARQ?

13F Pro ranks Arq, Inc. (ARQ) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View ARQ's current score at https://13fpro.ai/research/ARQ (free sign-up required for the full ranking).

Which hedge funds own the most ARQ stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of ARQ include BlackRock,, ROYCE & ASSOCIATES, VANGUARD CAPITAL MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/ARQ as soon as new 13F filings post.

Where does 13F Pro source ARQ data?

All Arq, Inc. fundamentals and ownership data come directly from SEC EDGAR. Arq, Inc. files with the SEC under CIK 1515156. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is ARQ in?

Arq, Inc. (ARQ) is classified in the Materials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/materials.

How often is ARQ research updated on 13F Pro?

ARQ's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

Arq, Inc.(ARQ)Stock Analysis

AI analysis on 2,800+ stocks →Deep AI analysis on 2,800+ stocks →

Materials →Nasdaq

Institutional-grade research for retail investors

SEC EDGAR: CIK 1515156 ARQ stock profile & AI dashboard →

13F Pro Quality Score

36.8/100

Rank #2,084 of 2,879 stocks

View Materials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

72.5/100

Profitability

36.7/100

Balance Sheet

30.6/100

Earnings Quality

30.0/100

Free Cash Flow

21.3/100

Institutional Flow

20.1/100

Revenue Scale

19.5/100

Dilution Risk

35.1/100

ARQ Stock Analysis & AI Quality Score

AI stock analysis and institutional research for Arq, Inc. (ARQ), a Materials sector company. 13F Pro's AI-powered ranking engine scores ARQ at 36.8/100 on a 32-signal composite quality model, placing it at rank #2,084 of 2,879 stocks — the bottom half of the AI-ranked universe. Areas of concern include revenue scale (19.5) and institutional flow (20.1), which score below median versus the broader universe. Shareholder dilution risk is elevated at 35.1/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), Arq, Inc. reports quarterly revenue of $29.1M, net income of $-842.0K, free cash flow of $-676.0K. Top institutional holders of ARQ by reported 13-F value include BlackRock,, ROYCE & ASSOCIATES, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. ARQ trades on the Nasdaq exchange and files with the SEC under CIK 1515156. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate ARQ daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Arq, Inc. directly from SEC EDGAR.

✦

Fun facts about Arq, Inc.

Quirks, history, and lore behind ARQ — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. materials company · small-cap · listed on NYSE American · headquartered in Colorado.
2
The Numbers
Revenue in the range of tens of millions of dollars annually, with a business model built around turning waste streams into sellable commodities — margins depend heavily on commodity prices.
3
The History
The company traces its roots to coal operations in Appalachia, but reinvented itself around the idea that the real value wasn't in burning coal — it was in what coal leaves behind.
4
The Secret
It specializes in processing coal combustion residuals — the ash and byproducts from power plants — turning environmental liabilities into activated carbon and other industrial materials.
5
The Lore
Its activated carbon products are used to capture mercury emissions from power plants, meaning this little materials company quietly helps utilities comply with clean-air regulations.
6
The Giveaway
Formerly known as Advanced Emissions Solutions, it rebranded around its core technology platform and now trades under a three-letter ticker that sounds like what you get after a fire.

▶ Think you know your stocks? Play the Daily Ticker

Revenue

Q1 2026

$29.1M

Net Income

Q1 2026

$-842.0K

Free Cash Flow

Q1 2026

$-676.0K

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+10.4% YoY

$120.3MFY 2025

FY21 $100.3MFY22 $103.0MFY24 $109.0MFY25 $120.3M

Net Income

-929.8% YoY

$-52.6MFY 2025

FY21 $60.4MFY22 $-8.9MFY24 $-5.1MFY25 $-52.6M

Operating Income

-2603.3% YoY

$-53.0MFY 2025

FY21 $4.9MFY22 $-12.1MFY24 $-2.0MFY25 $-53.0M

EPS (Diluted)

-807.1% YoY

$-1.27FY 2025

FY21 $3.27FY22 $-0.48FY24 $-0.14FY25 $-1.27

Total Assets

-18.9% YoY

$230.6MFY 2025

FY21 $185.4MFY22 $181.2MFY24 $284.4MFY25 $230.6M

Total Debt

+20.2% YoY

$48.7MFY 2025

FY21 $4.2MFY22 $5.7MFY24 $40.5MFY25 $48.7M

Op. Cash Flow

-126.1% YoY

$-2.7MFY 2025

FY21 $26.0MFY22 $-6.1MFY24 $10.5MFY25 $-2.7M

Metric	FY 2025	FY 2024	FY 2022	FY 2021	FY 2020	FY 2019
Revenue	$120.3M +10.4%	$109.0M +5.8%	$103.0M +2.7%	$100.3M +48.9%	$67.4M -3.9%	$70.1M
Net Income	$-52.6M -929.8%	$-5.1M +42.7%	$-8.9M -114.8%	$60.4M +397.5%	$-20.3M -157.1%	$35.5M
Operating Income	$-53.0M -2603.3%	$-2.0M +83.8%	$-12.1M -348.7%	$4.9M +111.8%	$-41.0M -175.2%	$-14.9M
EPS (Diluted)	$-1.27 -807.1%	$-0.14 +70.8%	$-0.48 -114.7%	$3.27 +392.0%	$-1.12 -158.0%	$1.93
Total Assets	$230.6M -18.9%	$284.4M +57.0%	$181.2M -2.3%	$185.4M +26.4%	$146.7M -15.6%	$173.8M
Total Debt	$48.7M +20.2%	$40.5M +609.7%	$5.7M +37.2%	$4.2M -82.6%	$23.9M -46.2%	$44.4M
Operating Cash Flow	$-2.7M -126.1%	$10.5M +272.9%	$-6.1M -123.3%	$26.0M -51.9%	$54.0M -13.2%	$62.3M

Get alerted when ARQ's score changes

Free account: watchlist tracking, the daily AI brief, and the AI screener.

Passwordless sign-in · Payments by Stripe · Auth by Clerk

Available Research

13F Pro tracks comprehensive data for Arq, Inc. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of ARQ

BlackRock, Inc.
$5.4M2,097,522 sh
ROYCE & ASSOCIATES LP
$4.5M1,748,444 sh
VANGUARD CAPITAL MANAGEMENT LLC
$3.7M1,431,450 sh
AQR CAPITAL MANAGEMENT LLC
$2.8M1,085,710 sh
MARSHALL WACE, LLP
$2.1M809,705 sh
GEODE CAPITAL MANAGEMENT, LLC
$2.1M801,231 sh
Peapod Lane Capital LLC
$2.0M775,349 sh
DIMENSIONAL FUND ADVISORS LP
$2.0M762,190 sh
STATE STREET CORP
$1.4M564,598 sh
RENAISSANCE TECHNOLOGIES LLC
$1.1M410,570 sh

Fund	Value	Shares
BlackRock, Inc.	$5.4M	2,097,522
ROYCE & ASSOCIATES LP	$4.5M	1,748,444
VANGUARD CAPITAL MANAGEMENT LLC	$3.7M	1,431,450
AQR CAPITAL MANAGEMENT LLC	$2.8M	1,085,710
MARSHALL WACE, LLP	$2.1M	809,705
GEODE CAPITAL MANAGEMENT, LLC	$2.1M	801,231
Peapod Lane Capital LLC	$2.0M	775,349
DIMENSIONAL FUND ADVISORS LP	$2.0M	762,190
STATE STREET CORP	$1.4M	564,598
RENAISSANCE TECHNOLOGIES LLC	$1.1M	410,570

More Materials Companies

View all Materials →

Alcoa Corp

AAUC

Allied Gold Corp

ABAT

AMERICAN BATTERY TECHNOLOGY Co

AEC

ANFIELD ENERGY INC.

AEM

AGNICO EAGLE MINES LTD

FIRST MAJESTIC SILVER CORP

AGI

ALAMOS GOLD INC

ALB

ALBEMARLE CORP

Put ARQ on your watchlist

Track score changes the day Arq, Inc. files with the SEC, follow the hedge funds that own it, screen 2,800+ AI-scored stocks, and get the daily brief — free.

View Pricing

Free tier includes 13F data, economic indicators, and market overview. Pro starts at $6.67/mo (billed annually).

Passwordless sign-in · Payments by Stripe · Auth by Clerk

Popular Research

AAPL

Apple

MSFT

Microsoft

NVDA

NVIDIA

GOOG

Alphabet

AMZN

Amazon

Is ARQ a good stock to buy?

13F Pro's AI-powered analysis of Arq, Inc. (ARQ) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Materials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for ARQ are available on the ARQ stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own ARQ?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling ARQ. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of Arq, Inc.'s investment landscape.