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Montrose Environmental Group (ONT) Stock Chart & Stock Price History

Montrose Environmental Group logo
$16.71 +0.08 (+0.48%)
As of 05/22/2026 03:58 PM Eastern

Montrose Environmental Group Stock Price Performance

The Montrose Environmental Group (ONT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 13.36%, with a year-to-date return of -32.62%. In the past month, the stock has decreased 20.96%, reflecting recent market activity.

As of the latest close, Montrose Environmental Group traded at $16.71 with a market cap of $603.90 million and volume of 751,323 shares. Five years ago, the stock traded at $49.00, representing a 65.90% decrease over that period. At the time, it had a market cap of $1.28 billion and a volume of 139,288 shares.

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5 Day
Performance
+7.39%
1 Month
Performance
-20.96%
3 Month
Performance
-28.19%
Year-To-Date
Performance
-32.62%
1 Year
Performance
-13.36%
5 Year
Performance
-65.90%

ONT Stock Chart for Monday, May, 25, 2026

Montrose Environmental Group Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/22/2026$15.77$16.71
+5.96%
$16.93$15.78751,323 shs$603.90 million
05/21/2026$15.56$15.77
+1.35%
$16.06$15.20996,736 shs$569.93 million
05/20/2026$14.36$15.56
+8.36%
$15.65$14.13592,558 shs$562.32 million
05/19/2026$15.34$14.36
-6.39%
$16.02$14.271.17 million shs$518.97 million
05/18/2026$15.18$15.34
+1.05%
$15.90$15.16784,568 shs$554.39 million
05/15/2026$15.20$15.18
-0.13%
$15.68$14.89669,418 shs$548.61 million
05/14/2026$15.59$15.20
-2.50%
$15.99$15.09653,535 shs$549.31 million
05/13/2026$15.75$15.59
-1.02%
$16.30$15.01885,860 shs$563.42 million
05/12/2026$15.93$15.75
-1.13%
$17.42$15.601.01 million shs$569.21 million
05/11/2026$16.26$15.93
-2.03%
$16.62$15.181.06 million shs$576.19 million
05/08/2026$17.43$16.26
-6.71%
$17.51$15.401.51 million shs$631.16 million
05/07/2026$22.00$17.43
-20.77%
$19.19$17.201.36 million shs$630.44 million
05/06/2026$22.13$22.00
-0.59%
$22.12$21.46311,768 shs$795.74 million
05/05/2026N/A$22.13$22.43$21.50260,683 shs$800.44 million
04/30/2026$20.36$21.03
+3.30%
$21.10$20.10255,194 shs$760.55 million
04/29/2026$20.90$20.36
-2.59%
$20.79$20.28183,924 shs$736.28 million
04/28/2026$21.05$20.90
-0.74%
$21.30$20.73191,017 shs$755.84 million
04/27/2026$21.14$21.05
-0.42%
$21.69$20.97238,289 shs$761.45 million
04/24/2026$20.86$21.14
+1.37%
$21.38$20.77664,486 shs$764.67 million
04/23/2026$20.81$20.86
+0.23%
$21.26$20.50264,206 shs$754.33 million

This page (NYSE:ONT) was last updated on 5/25/2026 by MarketBeat.com Staff.
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