Security key
00770C101
Arq, Inc. - Common Stock, $0.001 par value (ARQ)
CUSIP: 00770C101
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / Common Stock, $0.001 par value
- Total 13F shares
- 16,454,807
- Total 13F value
- $88,364,829
- Share change
- -354,135
- Put/Call ratio
- 31%
- SEC-reported price per share
- $5.37
- Number of holders
- 81
- Value change
- -$1,102,972
- Number of buys
- 43
- Number of sells
- 41
- 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
Q2 2025
Institutions
81
Top holders
10
ARQ full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Previous quarter: Q1 2025
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
AIGH Capital Management LLC
Disclosed value leader
Alta Fundamental Advisers...
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F
3/4/5
Lead comparable stake: 6.5%
Showing 1-6 of 15 holder rows.
Quick read
AIGH Capital Management LLC leads the comparable SEC ownership view at 6.5%.
15 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 AIGH Capital Management LLC's linked filing trail.
Comparable ownership
Top 5
AIGH Capital Management LLC
6.5%
Alta Fundamental Advisers LLC
4.8%
BlackRock, Inc.
4.4%
VANGUARD GROUP INC
4%
WELLINGTON MANAGEMENT GROUP LLP
1.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AIGH Capital Management LLC |
13F
Company
|
6.5%
|
$11,552,060
2,770,278 shares
|
— | 31 Mar 2025 |
| Alta Fundamental Advisers LLC |
3/4/5
13F
Director · Company
|
4.8%
from 13F
|
$12,660,729
2,028,963 shares
|
— | 01 Jul 2024 |
| BlackRock, Inc. |
13F
Company
|
4.4%
|
$7,893,915
1,893,025 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
4%
|
$7,187,462
1,723,612 shares
|
— | 31 Mar 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
1.6%
|
$2,921,502
700,600 shares
|
— | 31 Mar 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.6%
|
$2,913,607
698,595 shares
|
— | 31 Mar 2025 |
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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
81
Shares
16,454,807
Rows available
81
| 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 Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
87
Q2 2025 holders
81
Holder diff
-6
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend