Onterris stock gained 2.18 percent as PFAS technology drew EPA attention
Published on 10/07/2026 at 01:45 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSOnterris stock gained 2.18 percent to USD 14.52 on the NYSE on October 6, 2026, versus a prior session close of USD 14.21. The company used the same date to announce an EPA administrator visit focused on its PFAS treatment technology, giving the environmental-services group a fresh operational storyline.
EPA visit highlights PFAS technology
According to Business Wire on October 6, 2026, EPA Administrator Lee Zeldin visited Onterris treatment technology staff in Portland, Maine, where the team demonstrated systems for removing PFAS from drinking water.
The release said Onterris has deployed more than 350 treatment systems worldwide, including projects at 34 US federal facilities. The SORBIX RePURE platform uses regenerable ion exchange technology, linking the current policy discussion to a product already deployed across groundwater, industrial water and stormwater applications.
Q2 revenue fell 20.4 percent
According to Yahoo Finance, Onterris reported USD 186.7 million of Q2 2026 revenue, down from USD 234.5 million in the year-earlier quarter. Net income fell to USD 1.4 million, or USD 0.04 per share, from USD 18.4 million, or USD 0.42 per share.
The same August 5, 2026 update cut full-year 2026 revenue guidance to USD 740 million-790 million from USD 840 million-900 million. Adjusted EBITDA guidance also moved to USD 117 million-120 million from USD 125 million-130 million, while adjusted EBITDA margin reached 17.1 percent in Q2 2026 versus 16.9 percent a year earlier.
Guidance keeps the risk visible
For investors, the central tension is visible in the numbers: PFAS treatment offers a defined growth opportunity, but emergency-response activity weakened the reported quarter and forced lower guidance. Yahoo Finance reported that Onterris still expected USD 70 million-80 million of operating cash flow in the second half of 2026, keeping cash generation as a key test for the revised outlook.
Onterris stock stays below its yearly high
Onterris stock was last at USD 14.52 on the NYSE on October 6, 2026, with a 52-week range of USD 12.26-30.90, market capitalization of USD 524.7 million and volume of 583,890 shares.
Onterris stock at a glance
- Company: Onterris, Inc.
- ISIN: US6151111019
- Ticker: ONT
- Trading venue: NYSE
- Price (as of October 6, 2026, 4:00 p.m. ET): USD 14.52
- Market capitalization: USD 524.7 million (as of October 6, 2026)
- 52-week range: USD 12.26-30.90 (as of October 6, 2026)
- Sector / Industry: Industrials / Waste Management
