Arq, Inc.
ARQ • NASDAQ
Arq, Inc. is a industrial - pollution & treatment controls company in the industrials sector on NASDAQ, led by Robert Rasmus, with a market cap of $143.0M. As of Q3 2025, 41% of shares are held by 90 institutional investors, with AIGH Capital Management LLC as the largest holder at 6.04%.
CEORobert Rasmus
Market Cap$143.0M
Industrial - Pollution & Treatment Controls
Industrials
Employees173.0
Websitearq.com
Country
United States of America
Overview
Overview of institutional ownership in ARQ as of Q3 2025 with a market cap of $305.7M
All Institutions
- Institutions
- 90
- Value Held
- $124.9M
- Shares Held
- 17.4M
- Avg Position
- $1.4M
- Median Position
- $201.2K
Hedge Funds
- Hedge Funds
- 18
- Value Held
- $38.6M
- Shares Held
- 5.4M
- Avg Position
- $2.1M
- Median Position
- $551.0K
Ownership Breakdown
Based on market cap of $305.7M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in ARQ as of Q3 2025
| Institution | Position Value |
|---|---|
A AIGH Capital Management LLC Hedge Fund•Long/Short | $18.5M 5.83% of portfolio |
B BlackRock, Inc. Institution | $14.4M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $12.4M 0.00% of portfolio |
R ROYCE & ASSOCIATES LLC Institution | $9.8M 0.10% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $6.1M 0.00% of portfolio |
A Alta Fundamental Advisers LLC Hedge Fund•Multi-Strategy | $6.1M 2.95% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $5.5M 0.00% of portfolio |
 WELLINGTON MANAGEMENT CO LLP Long Only Manager | $4.9M 0.00% of portfolio |
 1492 Capital Management LLC Long Only Manager | $4.7M 1.89% of portfolio |
 FRANKLIN RESOURCES INC Institution | $4.0M 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for ARQ in Q3 2025
- Traded
- +$9.3M
- Buyers
- 50
- Sellers
- 31
- Total Bought
- +$24.8M
- Total Sold
- −$15.5M
- Avg Position
- $1.2M
Biggest Buyers
| Institution | Net Bought |
|---|---|
R ROYCE & ASSOCIATES LLC Institution | +$6.2M +862.5K shares |
FRANKLIN RESOURCES INC Institution | +$4.0M +560.8K shares |
1492 Capital Management LLC Long Only Manager | +$2.0M +281.2K shares |
 CenterBook Partners LP Hedge Fund•Market Neutral | +$1.7M +230.9K shares |
F First Eagle Investment Management, LLC Long Only Manager | +$1.2M +160.7K shares |
 UBS Group AG Institution | +$1.0M +143.6K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | +$1.0M +140.0K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$944.1K +131.9K shares |
J JANE STREET GROUP, LLC Institution | +$640.2K +89.4K shares |
 GOLDMAN SACHS GROUP INC Institution | +$603.0K +84.2K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
A Alta Fundamental Advisers LLC Hedge Fund•Multi-Strategy | −$8.6M −1.2M shares |
G GRATIA CAPITAL, LLC Hedge Fund•Multi-Strategy | −$3.0M −415.9K shares |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | −$960.6K −134.2K shares |
D DCF Advisers, LLC Institution | −$582.6K −108.5K shares |
A AIGH Capital Management LLC Hedge Fund•Long/Short | −$537.0K −75.0K shares |
C CI Private Wealth, LLC RIA/Wealth | −$440.1K −82.0K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$281.9K −39.4K shares |
 Aristides Capital LLC Real Assets | −$233.5K −43.5K shares |
X XTX Topco Ltd Institution | −$224.8K −41.9K shares |
 Connor, Clark & Lunn Investment Management Ltd. Long Only Manager | −$185.4K −34.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited ARQ in Q3 2025
- New Positions
- 15
- New Value
- $8.0M
- Exited Positions
- 10
- Exited Value
- $1.7M
New Positions
| Institution | Position Value |
|---|---|
FRANKLIN RESOURCES INC Institution | $4.0M 560.8K shares |
CenterBook Partners LP Hedge Fund•Market Neutral | $1.7M 230.9K shares |
F First Eagle Investment Management, LLC Long Only Manager | $1.2M 160.7K shares |
 Trexquant Investment LP Hedge Fund•Quant | $350.3K 48.9K shares |
 Numerai GP LLC Hedge Fund•Quant | $189.8K 26.5K shares |
 Worth Venture Partners, LLC Fund of Funds | $161.1K 22.5K shares |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | $97.6K 13.6K shares |
A AXQ CAPITAL, LP Hedge Fund•Market Neutral | $95.8K 13.4K shares |
 ALGERT COLDIRON INVESTORS LLC Hedge Fund•Quant | $83.6K 11.7K shares |
 Quest Partners LLC Hedge Fund•Quant Macro | $83.2K 11.6K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
D DCF Advisers, LLC Institution | $582.6K 108.5K shares |
C CI Private Wealth, LLC RIA/Wealth | $440.1K 82.0K shares |
Aristides Capital LLC Real Assets | $233.5K 43.5K shares |
X XTX Topco Ltd Institution | $224.8K 41.9K shares |
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager | $185.4K 34.5K shares |
 ING INVESTMENT MANAGEMENT LLC Insurance Manager | $55.0K 10.2K shares |
 Ancora Advisors, LLC RIA/Wealth | $8.1K 1.5K shares |
Q Quarry LP Institution | $6.9K 1.3K shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | $4.8K 888.0 shares |
 HOLLENCREST SECURITIES LLC RIA/Wealth | $16.0 3.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in ARQ as of Q3 2025
- Call Positions
- 3
- Call Value
- $1.7M
- Put Positions
- 1
- Put Value
- $111.7K
Call Positions
| Institution | Position Value |
|---|---|
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $824.8K 1.2K contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $643.7K 899.0 contracts |
J JANE STREET GROUP, LLC Institution | $245.6K 343.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $111.7K 156.0 contracts |
Most Committed Institutions
Institutions with ARQ as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
V Vitol Holding B.V. Institution | 25.31% $3.7M |
 York Capital Management Global Advisors, LLC Hedge Fund•Multi-Strategy | 9.66% $3.2M |
A AIGH Capital Management LLC Hedge Fund•Long/Short | 5.83% $18.5M |
A Alta Fundamental Advisers LLC Hedge Fund•Multi-Strategy | 2.95% $6.1M |
G GRATIA CAPITAL, LLC Hedge Fund•Multi-Strategy | 2.89% $3.2M |
1492 Capital Management LLC Long Only Manager | 1.89% $4.7M |
Worth Venture Partners, LLC Fund of Funds | 0.79% $161.1K |
 PERRITT CAPITAL MANAGEMENT INC Long Only Manager | 0.25% $537.0K |
R ROYCE & ASSOCIATES LLC Institution | 0.10% $9.8M |
 Firsthand Capital Management, Inc. Institution | 0.08% $48.7K |
Hedge Fund Spotlight
Discover hedge funds investing in ARQ
G
GRATIA CAPITAL, LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerPei Yu-Tsung Steven
- Portfolio Value
- $109.5M
- Positions
- 27
- Last Reported
- Q3 2025
Sector Allocation
Position in Arq, Inc.
- Market Value
- $3.2M
- Shares Held
- 442.0K
- Portfolio Weight
- 2.89%
- Owned Since
- 2024-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
REIT - Mortgage Real Estate | $18.5M | 16.88% | |
REIT - Mortgage Real Estate | $8.7M | 7.94% | |
Marine Shipping Industrials | $6.4M | 5.85% |
