Onterris - 6 Year Stock Price History | ONT

Historical daily share price chart and data for Onterris since 2020 adjusted for splits and dividends. The latest closing stock price for Onterris as of September 16, 2026 is 17.53.
  • The all-time high Onterris stock closing price was 78.21 on November 16, 2021.
  • The Onterris 52-week high stock price is 30.90, which is 76.3% above the current share price.
  • The Onterris 52-week low stock price is 12.68, which is 27.7% below the current share price.
  • The average Onterris stock price for the last 52 weeks is 22.29.
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Onterris Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 20.5039 24.8800 29.2200 14.5000 17.5300 -29.40%
2025 22.4680 18.7300 31.0600 10.7400 24.8300 33.85%
2024 32.9108 31.9400 49.8200 15.6200 18.5500 -42.27%
2023 36.9532 45.4400 54.4800 22.2700 32.1300 -27.62%
2022 43.2861 70.4500 70.4500 29.6000 44.3900 -37.04%
2021 54.2669 33.5100 78.2100 33.5100 70.5100 127.75%
Sector Industry Market Cap Revenue
Business Services Business Information Services $0.625B $0.831B
Onterris Inc. is an environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. The Company's solutions are Contaminated Land & Remediation, Permitting & Compliance, Planning, Preparedness, Response & Recovery, Health, Safety & Chemistry, Testing & Analysis, Water Consulting, Testing & Treatment, Community Resiliency, and Natural Resources. Onterris Inc., formerly known as Montrose Environmental Group Inc., is based in United States.
Stock Name Country Market Cap PE Ratio
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Experian (EXPGY) Ireland $33.541B 0.00
Iron Mountain (IRM) United States $33.355B 47.68
Verisk Analytics (VRSK) United States $23.439B 24.53
TransUnion (TRU) United States $14.757B 19.35
INTERTEK GP (IKTSY) United Kingdom $12.177B 0.00
FactSet Research Systems (FDS) United States $9.855B 15.79
Morningstar (MORN) United States $7.568B 17.48
National Research (NRC) United States $0.500B 24.13
YSX Tech (YSXT) China $0.034B 0.00
36Kr Holdings (KRKR) China $0.006B 0.00
Click Holdings (CLIK) Hong Kong, SAR China $0.001B 0.00