Security key
00770C101
Arq, Inc. - Common Stock, $0.001 par value (ARQ)
CUSIP: 00770C101
Q3 2021 13F Holders as of 30 Sep 2021
- Security type / class
- Equity / Common Stock, $0.001 par value
- Total 13F shares
- 8,222,639
- Total 13F value
- $52,541,345
- Share change
- -1,135,520
- Put/Call ratio
- 94%
- SEC-reported price per share
- $6.39
- Number of holders
- 63
- Value change
- -$7,744,877
- Number of buys
- 20
- Number of sells
- 42
- Shares outstanding
- 42,798,398
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
63
Top holders
10
ARQ full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
Arq, Inc. SEC filings
Arq, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00770C101
Recent filing periods:
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
Alta Fundamental Advisers...
Disclosed value leader
Alta Fundamental Advisers...
Comparable rows
0/15
Latest evidence
30 Jun 2021
13F
Highest disclosed value: $14,686,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Alta Fundamental Advisers LLC has the largest disclosed position value at $14.69M.
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 Alta Fundamental Advisers LLC's linked filing trail.
Disclosed position value
Top 5
Alta Fundamental Advisers LLC
$14.69M
ADAGE CAPITAL PARTNERS GP, L.L.C.
$7.04M
VANGUARD GROUP INC
$5.67M
Hillsdale Investment Management Inc.
$3.38M
MORGAN STANLEY
$2.73M
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 |
|---|---|---|---|---|---|
| Alta Fundamental Advisers LLC |
13F
Company
|
—
denominator unverified
|
$14,686,000
1,981,889 shares
|
— | 30 Jun 2021 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
—
denominator unverified
|
$7,040,000
950,000 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$5,669,000
765,003 shares
|
— | 30 Jun 2021 |
| Hillsdale Investment Management Inc. |
13F
Company
|
—
denominator unverified
|
$3,377,000
455,658 shares
|
— | 30 Jun 2021 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$2,726,000
367,853 shares
|
— | 30 Jun 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$2,716,000
366,689 shares
|
— | 30 Jun 2021 |
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 Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
63
Shares
8,222,639
Rows available
63
| 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 Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
73
Q3 2021 holders
63
Holder diff
-10
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend