Arq, Inc.

ARQ

Exchange: Nasdaq
Industry: Miscellaneous Chemical Products
SEC CIK: 0001515156

SEC filings (opens in a new tab)

In the last 90 days, Arq, Inc. insiders filed 3 open-market purchases and 0 sales; 99 institutions reported holding it in 13F filings for Q2 2026, worth $39.5M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Arq, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of ARQ: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	96	1	99	+4
Shares	14.7M	16.0K	15.5M	+845.9K (+5.8%)
Value	$37.6M	$41.0K	$39.5M	+$2.01M (+5.4%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Arq, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ARQ in Q2 2026
Institution	Shares	Value	% of portfolio
Truffle Hound Capital, LLC	420,000	$1.07M	0.68%
RBF Capital, LLC	370,000	$943.5K	0.04%
Connor, Clark & Lunn Investment Management Ltd.	181,789	$463.6K	0.00%
Citadel Advisors LLC	163,201	$416.2K	0.00%
Rangeley Capital, LLC	157,000	$400.4K	0.39%
Marquette Asset Management, LLC	106,741	$272.2K	0.04%
Qube Research & Technologies Ltd	93,008	$237.2K	0.00%
Man Group plc	58,954	$150.3K	0.00%
Point72 Asset Management, L.P.	57,582	$146.8K	0.00%
Ieq Capital, LLC	38,358	$97.8K	0.00%
Walleye Capital LLC	24,222	$61.8K	0.00%
Creative Planning	23,104	$58.9K	0.00%
Integrity Advisory Solutions, LLC	21,734	$55.4K	0.01%
Centiva Capital, LP	21,153	$53.9K	0.00%
Dynamic Technology Lab Private Ltd	18,579	$47.0K	0.01%
State of Wisconsin Investment Board	14,390	$36.7K	0.00%
Axq Capital, LP	11,838	$30.2K	0.00%
Cerity Partners LLC	11,806	$30.1K	0.00%
Captrust Financial Advisors	11,674	$29.8K	0.00%
Boothbay Fund Management, LLC	11,044	$28.2K	0.00%
Group One Trading, L.P.	6,617	$16.9K	0.00%
Morse Asset Management, Inc	5,700	$14.5K	0.00%
Wealth Enhancement Trust Services, Inc.	184	$469	0.00%
Clearstead Advisors, LLC	136	$347	0.00%
Caitong International Asset Management Co., Ltd	17	$43	0.00%
Avion Wealth	194	$0	0.00%

Sold out (22)

Institutions that held Arq, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ARQ in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Vanguard Portfolio Management LLC	184,246	$471.7K
Bank of New York Mellon Corp	73,079	$187.1K
STRS Ohio	72,400	$185.3K
Charles Schwab Investment Management Inc	69,775	$178.6K
Nuveen, LLC	33,406	$85.5K
Price T Rowe Associates Inc	16,868	$44.0K
Alliancebernstein L.P.	12,700	$41.5K
Mirae Asset Global ETFs Holdings Ltd.	15,686	$40.2K
Two Sigma Securities, LLC	11,601	$29.7K
Oxford Asset Management LLP	10,096	$25.8K
Avanza Fonder AB	7,667	$19.6K
Police & Firemen's Retirement System of New Jersey	5,528	$14.2K
Tower Research Capital LLC (TRC)	5,257	$13.5K
Legal & General Group Plc	2,872	$7.35K
Ameritas Investment Partners, Inc.	2,422	$6.20K
California State Teachers Retirement System	1,731	$4.43K
New York State Common Retirement Fund	1,400	$3.58K
MAI Capital Management	1,147	$2.94K
Sterling Capital Management LLC	1,059	$2.71K
Optiver Holding B.V.	320	$819
Wealth Preservation Advisors, LLC	239	$612
Root Financial Partners, LLC	64	$164

Not filed for Q2 2026 yet (1)

Institutions that held Arq, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARQ in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	16,034	$41.0K