Arq Inc (ARQ)
Industrials
Pollution & Treatment Controls
2.00 $
-4.4%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Arq Inc (ARQ)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 76.3% of the shares are freely tradable; institutional investors hold 35.5%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
35.5%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
24.3%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
76.3%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
4.1%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
43Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 4.89 | 2,097,522 | +2.5 | 03/31/2026 |
| Vanguard Group Inc | 4.26 | 1,830,017 | +5.5 | 12/31/2025 |
| Royce & Associates, LP | 4.07 | 1,748,444 | +19.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.33 | 1,431,450 | +0.0 | 03/31/2026 |
| AQR Capital Management LLC | 2.53 | 1,085,710 | +262.2 | 03/31/2026 |
| Marshall Wace Asset Management Ltd | 1.89 | 809,705 | +82.3 | 03/31/2026 |
| Geode Capital Management, LLC | 1.87 | 801,231 | +3.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.46 | 1,056,800 | +0.0 | 04/30/2026 |
| Royce Small-Cap Opportunity Invmt | 2.10 | 900,007 | +12.8 | 03/31/2026 |
| FTGF RY US SmCp Opp A USD Dis(A) | 1.88 | 806,428 | +10.7 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.