Onterris showcases PFAS treatment: what it means for Onterris stock

Published on 10/07/2026 at 02:25 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Second-quarter revenue fell to USD 186.66 million, but adjusted EBITDA margin rose to 17.10 percent. Onterris stock had a EUR 12.90 prior close on October 5, 2026.

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Onterris (ISIN US6151111019) showcased PFAS treatment technology during an EPA administrator visit on October 6, 2026. The event gives Onterris stock a fresh operational reference while the company works through a weaker revenue outlook and a board-led strategic review.

PFAS technology meets regulation

According to Onterris, the presentation focused on affordable PFAS treatment technology during the visit by EPA Administrator Lee Zeldin. PFAS remediation is a concrete operating area for the environmental solutions company because clients face testing, compliance and treatment requirements across air, water and soil.

The business is balancing that opportunity against uneven project timing. Onterris reported second-quarter 2026 revenue of USD 186.66 million, down from USD 234.50 million in the prior-year quarter, while adjusted EBITDA margin increased to 17.10 percent from 16.90 percent.

Guidance puts margins first

In the second-quarter 2026 earnings call, Yahoo Finance reported that management cut full-year 2026 revenue guidance to USD 740 million-790 million from USD 840 million-900 million. The revised adjusted EBITDA guidance is USD 117 million-120 million, while the midpoint margin was raised to 15.50 percent from the original 2026 outlook by 0.50 percentage points.

That mix matters for investors. The second-quarter revenue decline was substantial, but the margin comparison improved, and management expects USD 70 million-80 million of operating cash flow in the second half of 2026, according to the same earnings-call transcript. The board's strategic review remains an additional valuation variable because it covers strategic alternatives as well as continued execution of the standalone plan.

Analyst targets remain divided

MarketBeat said on September 28, 2026 that analyst coverage carried a consensus Reduce rating and a USD 19.50 average target. The overview lists Barclays cutting its target from USD 19.00 to USD 15.00 on August 7, 2026, while Needham cut its target from USD 28.00 to USD 23.00 and kept a Buy rating on the same date.

Onterris trades on the NYSE under ONT, according to wallstreetONLINE, which also identifies the security by ISIN US6151111019. Finance data put its market capitalization at USD 524.7 million on October 6, 2026 and its 52-week range at USD 12.26-30.90.

Prior close sets the reference

The prior close at Lang & Schwarz was EUR 12.90 on October 5, 2026. The next reported event listed by wallstreetONLINE is November 3, 2026, when the company is scheduled to issue its next quarterly update.

The further course of trading is shown by the continuously updated real-time quote of Onterris stock.