What does CUSIP 00770C101 represent in this 13F holders report?

CUSIP 00770C101 is the security identifier for ARQ - Arq, Inc. - Common Stock, $0.001 par value used to aggregate holder disclosures.

How many institutions held ARQ - Arq, Inc. - Common Stock, $0.001 par value in Q1 2023?

36 institutional investors reported ARQ - Arq, Inc. - Common Stock, $0.001 par value for Q1 2023. Use the holders table for investor-level position and value details.

Arq, Inc. - Common Stock, $0.001 par value (ARQ)

CUSIP: 00770C101

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock, $0.001 par value
Total 13F shares: 5,906,108
Total 13F value: $11,694,316
Share change: -461,774
Put/Call ratio: 200%
SEC-reported price per share: $1.98
Number of holders: 36
Value change: -$1,030,803
Number of buys: 11
Number of sells: 14
Shares outstanding: 42,798,398

Security key

00770C101

Report period

Q1 2023

Institutions

Top holders

ARQ full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Arq, Inc. SEC filings Arq, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 00770C101

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of ARQ - Arq, Inc. - Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Arq Ltd

Disclosed value leader

Arq Ltd

Comparable rows

0/15

Latest evidence

23 Mar 2023

3/4/5 13F Highest disclosed value: $9,659,236 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Arq Ltd has the largest disclosed position value at $9.66M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Arq Ltd's linked filing trail.

Disclosed position value Top 5

Arq Ltd $9.66M

Alta Fundamental Advisers LLC $4.88M

ADAGE CAPITAL PARTNERS GP, L.L.C. $2.24M

VANGUARD GROUP INC $1.82M

BRIDGEWAY CAPITAL MANAGEMENT, LLC $1.39M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Arq Ltd	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$9,659,236 3,814,864 shares	—	01 Feb 2023
Alta Fundamental Advisers LLC	13F Company 13F	— denominator unverified	$4,876,942 2,006,972 shares	—	31 Dec 2022
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	— denominator unverified	$2,235,357 919,900 shares	—	31 Dec 2022
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$1,815,025 746,924 shares	—	31 Dec 2022
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F Company 13F	— denominator unverified	$1,390,541 572,239 shares	—	31 Dec 2022
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	— denominator unverified	$1,047,000 431,038 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

5,906,108

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend