Onterris (ONT)
Environmental consulting, testing and contaminant-treatment services.
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Provides environmental consulting, permitting, emergency response, field measurement, laboratory analysis and contaminant-treatment services. Revenue spans professional contracts, project-based testing, incident-driven response and treatment equipment, media and related services across the United States, Canada and Australia.
Combines environmental consulting, permitting, emergency response and contaminant-treatment work with field measurement and laboratory analysis for air, water and soil. Consulting and Treatment and Measurement and Analysis serve projects from compliance and risk assessment through remediation and operating decisions.
Generates revenue through fixed-fee, milestone and time-and-materials professional contracts; project- or sample-based testing; incident-driven emergency response; and sales, rentals, media and services for treatment systems. Operations span the United States, Canada and Australia, serving chemical, energy, government, infrastructure, manufacturing, mining and minerals, solid-waste, technology and transportation clients.
Brings assessment, testing, remedy design and treatment equipment together within one provider, reflecting an acquisition-built platform. Demand is shaped by environmental and safety rules, while laboratory and field work depends on permits, licenses, accreditations and defensible results.
Company facts
Target rangeAs of Sep 21, 2026
Latest analyst notes
| Date | Firm | Action | Prior | Current |
|---|---|---|---|---|
| Aug 7, 2026 | Barclays | Downgrade | ||
| Aug 6, 2026 | Barclays | Target | Target: $40 | Target: $15 |
| Aug 6, 2026 | UBS | Target | Target: — | Target: $18 |
| Aug 6, 2026 | Bank of America Securities | Downgrade | Rating: — | |
| May 18, 2026 | Barclays | Target | Target: — | Target: $40 |
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, Jun 30, 2026Cash & short-term investments $12.7M · Total debt $418.6M · Total assets $967.2M · Shareholders' equity $430.3M
- Revenue
- $186.7M
- Operating income
- $6.6M
- Net income
- $1.4M
No dividends on record.
| Strategic holders | 5.14% | 1.86M shares | |
|---|---|---|---|
| 1 holder · as of Nov 14, 2025 | |||
| Other | 94.86% | 34.28M shares | |
| remainder | |||
36.14M company shares as of Sep 22, 2026 · holders as of their latest filing
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Date |
|---|---|---|---|
Bamco Inc /NY/Strategic | 5.14% | 1.86M | filed Nov 14, 2025 |
Goldman Sachs Asset Management, L.P.Institution | 5.05% | 1.83M | filed May 11, 2026 |
Insider tradesForm 4
Nothing filed in the last 12 months.
- Tetra Tech
Broad water, environmental consulting and remediation rival.
- AECOM
Global environmental-services rival in cleanup, permitting and project delivery.
- Xylem
Water-treatment technology rival, especially in PFAS mitigation.
- Exponent
Specialist rival in environmental-health and incident-risk consulting.
Compare
| Company | Price | Change | |||||
|---|---|---|---|---|---|---|---|
| Onterris | $16.77 | −4.06% | $631.7M | — | 81.4 | 0.8 | −20.4% |
| Tetra Tech | $35.52 | −1.22% | $9.33B | 21.7 | 21.0 | 1.8 | −19.0% |
| AECOM | $62.47 | −0.73% | $8.09B | 28.9 | 10.2 | 0.5 | −61.5% |
| Xylem | $107.39 | +0.14% | $25.04B | 25.5 | 18.2 | 2.7 | +1.5% |
| Exponent | $65.78 | −1.99% | $3.26B | 30.1 | 27.0 | 5.1 | +4.9% |
| Median | 27.2 | 19.6 | 2.3 | −8.7% |







