$ARQ

$1.78 +$0.04 (2.3%) Close

$ARQ Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 43.7M shares outstanding

Who owns ARQ?

By type of holder

Institutions 35.4% Insiders 23.8% Everyone else 40.8%

Concentration Top 10 holders own 36.1%

McIntyre Julian Alexander 8.6% · Blank Jeremy 7.3%

Institutional ownership

35.4%

+1.8 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

+800.3K

by institutions in Q2 2026

New / sold out

26 / 25

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Aqr Capital Management LLC +728.4K
Truffle Hound Capital, LLC NEW +420.0K

Biggest sellers in Q2 2026

BlackRock, Inc. −1.6M
State Street Corp −410.6K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Arq, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+86.8%

+7.19% a year

Each share's claim on the business

−46.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$47.7M vs $24.7M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years25% 3–5 years1% 1–3 years23% Under 1 year51%

Quarterly turnover

27.7%

of institutional shares changed hands

Top 10 managers, median time held

1 year

Super Investors

Investment managers reporting ARQ on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	509.0K	1.17%	−1.6M (−75.7%)	≤2021	0.0%
Shares held by quarter Peak holding2.1M (Q1'26) Change over 8 quarters−1.2M Share of the company1.170% BlackRock, Inc.'s full portfolio →
RA Royce & Associates LP	1.9M	4.27%	+114.3K (+6.5%)	2025	0.0%
Shares held by quarter Peak holding1.9M (Q2'26) Change over 8 quarters+1.9M Share of the company4.270% Royce & Associates LP's full portfolio →

BlackRock, Inc.

509.0K

% of company

1.17%

Change vs last qtr

−1.6M (−75.7%)

Held since

≤2021

Royce & Associates LP

1.9M

% of company

4.27%

Change vs last qtr

+114.3K (+6.5%)

Held since

2025

28 more super investors behind a free account

See every manager holding Arq, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ARQ on Form N-PORT; together they hold 12.9% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$2.69M	1.1M	2.42%	0.00%	June 30, 2026
RS Royce Small-Cap Opportunity Fund Royce Fund	$2.32M	910.4K	2.08%	0.16%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$2.69M

% of company

2.42%

% of the fund

0.00%

As of

June 30, 2026

Royce Small-Cap Opportunity Fund

Royce Fund

Position value

$2.32M

% of company

2.08%

% of the fund

0.16%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Arq, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MJ McIntyre Julian Alexander Insider	3.7M	8.58%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company8.580% McIntyre Julian Alexander's insider activity →
BJ Blank Jeremy Insider	3.2M	7.30%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company7.300% Blank Jeremy's insider activity →

McIntyre Julian Alexander

Insider

3.7M

% of company

8.58%

Change vs last qtr

—

Held since

—

Blank Jeremy

Insider

3.2M

% of company

7.30%

Change vs last qtr

—

Held since

—

11 more holders behind a free account

See every insider and 5%+ holder of Arq, Inc..

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