Gulf Marine Services (GMS) Stock Chart & Stock Price History GBX 18.97 -0.01 (-0.05%) As of 07:02 AM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsHeadlinesInsider TradesBuy This Stock Gulf Marine Services Stock Price Performance The Gulf Marine Services (GMS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 10.61%, with a year-to-date return of 25.63%. In the past month, the stock has decreased 5.39%, reflecting recent market activity. As of the latest close, Gulf Marine Services traded at GBX 18.98 with a market cap of £254.72 million and volume of 1.37 million shares. Five years ago, the stock traded at GBX 11.10, representing a 70.90% increase over that period. At the time, it had a market cap of £38.90 million and a volume of 2,727 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.99%1 Month Performance-5.39%3 Month Performance-2.22%Year-To-Date Performance+25.63%1 Year Performance+10.61%5 Year Performance+70.90% GMS Stock Chart for Friday, August, 29, 2025 GMS Chart by TradingView Gulf Marine Services Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/28/2025GBX 18.94GBX 18.98+0.21%GBX 19.10GBX 18.641.37 million shs£254.72 million08/27/2025GBX 19.18GBX 18.94-1.25%GBX 19.42GBX 18.761.27 million shs£254.18 million08/26/2025GBX 19.16GBX 19.18+0.10%GBX 19.50GBX 18.80897,841 shs£257.40 million08/25/2025GBX 19.16GBX 19.16GBX 19.38GBX 18.87385,585 shs£257.13 million08/22/2025GBX 19.20GBX 19.16-0.21%GBX 19.38GBX 18.87385,585 shs£257.13 million08/21/2025GBX 19.20GBX 19.20GBX 19.20GBX 18.80402,560 shs£257.67 million08/20/2025GBX 19.14GBX 19.20+0.31%GBX 19.20GBX 18.79577,745 shs£257.67 million08/19/2025GBX 19.10GBX 19.14+0.21%GBX 19.20GBX 18.64484,449 shs£256.86 million08/18/2025GBX 18.84GBX 19.10+1.38%GBX 19.20GBX 18.76957,608 shs£256.33 million08/15/2025GBX 19.10GBX 18.84-1.36%GBX 19.20GBX 18.80623,338 shs£252.84 million Get the Latest News and Ratings for GMS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Gulf Marine Services and its competitors with MarketBeat's FREE daily newsletter. 08/14/2025GBX 19.40GBX 19.10-1.55%GBX 19.60GBX 18.92783,471 shs£256.33 million08/13/2025GBX 19.54GBX 19.40-0.72%GBX 20.80GBX 19.401.12 million shs£260.35 million08/12/2025GBX 19.60GBX 19.54-0.31%GBX 19.76GBX 19.36537,959 shs£262.23 million08/11/2025GBX 19.60GBX 19.60GBX 19.92GBX 19.28394,273 shs£263.04 million08/08/2025GBX 19.74GBX 19.60-0.71%GBX 20.20GBX 19.60388,112 shs£263.04 million08/07/2025GBX 19.76GBX 19.74-0.10%GBX 20.20GBX 19.60808,241 shs£264.92 million08/06/2025GBX 19.90GBX 19.76-0.70%GBX 20.20GBX 19.421.15 million shs£265.19 million08/05/2025GBX 20.05GBX 19.90-0.75%GBX 20.20GBX 19.80759,511 shs£267.06 million08/04/2025GBX 20.30GBX 20.05-1.23%GBX 20.44GBX 19.801.18 million shs£269.08 million08/01/2025GBX 20.60GBX 20.30-1.46%GBX 20.80GBX 201.45 million shs£272.43 million07/31/2025GBX 20.30GBX 20.60+1.48%GBX 20.70GBX 19.74969,672 shs£276.46 million07/30/2025GBX 20.05GBX 20.30+1.25%GBX 20.50GBX 19.961.08 million shs£272.43 million07/29/2025GBX 20.55GBX 20.05-2.43%GBX 20.65GBX 19.741.37 million shs£269.08 million07/28/2025GBX 20.30GBX 20.55+1.23%GBX 21.35GBX 20.212.37 million shs£275.79 million Related Companies SAG Stock Chart SNX Stock Chart NAH Stock Chart COR Stock Chart FERG Stock Chart PLUS Stock Chart MRC Stock Chart HTG Stock Chart AT Stock Chart PFC Stock Chart Receive GMS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Gulf Marine Services and its competitors with MarketBeat's FREE daily newsletter. 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