Marine transportation service company Kirby (NYSE: KEX) reported Q1 CY2026 results topping the market’s revenue expectations, with sales up 7.4% year on year to $844.1 million. Its non-GAAP profit of $1.50 per share was 8.3% above analysts’ consensus estimates.

Is now the time to buy KEX? Find out in our full research report (it’s free for active Edge members).

StockStory’s Take

Kirby’s first quarter performance reflected strength in both its marine transportation and distribution businesses, driven by robust demand in refining, petrochemical, and power generation markets. Management highlighted improved barge utilization and steady pricing gains, particularly in coastal marine. CEO David Grzebinski noted, “Underlying demand conditions remained strong across both segments,” despite ongoing weather-related disruptions and supply chain constraints. Overall, operational execution and discipline helped maintain margins and positive momentum into the second quarter.

Looking ahead, management’s guidance is shaped by constructive supply-demand dynamics in marine transportation, a resilient backlog in power generation, and disciplined capital deployment. Grzebinski emphasized that growth in behind-the-meter power projects and continued high utilization in coastal and inland barge fleets are expected to sustain earnings momentum. However, he cautioned about near-term headwinds from rising fuel costs and delayed engine deliveries, noting these impacts should moderate in the second half as contractual adjustments and improved supply conditions take effect.

Key Insights from Management’s Remarks

Management attributed the quarter’s results to improving refinery utilization, sustained petrochemical demand, and ongoing growth in power generation, while highlighting cost control and disciplined capital allocation.

• Inland barge utilization gains: The inland marine business saw barge utilization average in the low 90% range, supported by higher refinery volumes, increased petrochemical shipments, and limited new barge construction. Management noted that spot pricing moved up sequentially, and term contract renewals were flat to slightly up, reflecting a tightening supply-demand balance.

• Coastal market strength: Coastal marine transportation benefited from mid-to-high 90% barge utilization and limited vessel supply. Term contract renewal rates rose approximately 20% year-over-year, with management citing “steady customer demand and limited supply of large capacity vessels” as key drivers. Operating margins remained in the high teens, aided by cost efficiency.

• Power generation backlog expansion: The Distribution and Services segment’s power generation business continued to experience strong order activity for behind-the-meter prime and backup power solutions, especially for data centers and industrial customers. Management explained that backlog levels are near the high end of the $500 million to $1 billion range, driven by demand for more sophisticated, higher-margin projects.

• OEM engine constraints: Engine availability from original equipment manufacturers (OEMs) limited the pace at which power generation demand could be converted to revenue. Management expects these supply constraints to persist in the near term, impacting revenue timing but not underlying demand.

• Targeted M&A and capital returns: Kirby completed a tuck-in acquisition of 23 barges and three high-horsepower boats in the inland marine business, and returned $52.7 million to shareholders through share repurchases in the quarter. Management reiterated its focus on disciplined capital allocation, balancing acquisitions with opportunistic buybacks.

Drivers of Future Performance

Kirby’s outlook is anchored by sustained marine transportation demand, a robust power generation backlog, and ongoing supply constraints in key segments.

• Marine transportation supply-demand: Management expects limited new barge construction and strong refinery and petrochemical demand to maintain high barge utilization in both inland and coastal fleets. The company anticipates spot market rates will remain above term contract rates, supporting margin expansion over time.

• Power generation backlog and margins: The power generation business is forecast to benefit from a growing backlog for behind-the-meter and industrial power projects, many with multi-year contracts. However, delayed OEM engine deliveries are expected to temporarily shift revenue and margin realization into later quarters. Management believes that as engine supply normalizes, margins could trend toward low double digits, particularly as service revenue grows.

• Cost headwinds and contract lags: Rising fuel costs, particularly diesel, are anticipated to pressure margins in the near term, as contract escalators typically lag by 30 to 120 days. Management projects that these cost headwinds will be offset in subsequent quarters as pricing adjustments take hold. Additionally, ongoing softness in conventional oil and gas markets may weigh on the Distribution and Services segment, though diversification in end markets is expected to mitigate impacts.

Catalysts in Upcoming Quarters

Looking ahead, the StockStory team will be watching (1) whether inland and coastal barge utilization remains elevated as refinery and chemical demand evolves, (2) the pace of backlog conversion in power generation as OEM engine availability improves, and (3) the impact of rising fuel costs and contract adjustment lags on marine transportation margins. Execution on recent acquisitions and further capital deployment will also be key markers of operational discipline.

Kirby currently trades at $146.50, down from $152.60 just before the earnings. At this price, is it a buy or sell? The answer lies in our full research report (it’s free).

Stocks That Trumped Tariffs

ONE MORE THING: Top 5 Growth Stocks. The biggest stock winners almost always had one thing in common before they ran. Revenue growing like crazy. Meta. CrowdStrike. Broadcom. Our AI flagged all three. They returned 315%, 314%, and 455%, respectively.

Find out which 5 stocks it's flagging for this month - FREE. Get Our Top 5 Growth Stocks for Free HERE.

Stocks that have made our list include now familiar names such as Nvidia (+1,326% between June 2020 and June 2025) as well as under-the-radar businesses like the once-small-cap company Exlservice (+354% five-year return). Find your next big winner with StockStory today.