Why is PSIX Stock Down Today?
Company Description
Power Solutions International, Inc. (PSI) (Nasdaq: PSIX) is a manufacturing company focused on the design, engineering and manufacture of advanced, emission-certified engines and power systems. According to the company’s disclosures, PSI provides integrated turnkey power solutions to original equipment manufacturers (OEMs) and end-user customers across the power systems, industrial and transportation end markets. The business is aligned with the motor and generator manufacturing industry and emphasizes engines and powertrains that can operate on multiple fuel types.
Business model and end markets
PSI describes itself as a provider of engines and complete power systems that are used worldwide in stationary and mobile power generation and in a variety of industrial and transportation applications. The company highlights a fuel-agnostic strategy, customizing clean, high-performance engines to run on natural gas, propane, gasoline, diesel and biofuels. Its offerings are emission-certified and are designed to meet environmental and regulatory standards.
Within the power systems end market, PSI develops and delivers complete power systems for stationary and mobile power generation. These systems support standby, prime, demand response and microgrid solutions, and the company also notes products and packages that support rapidly growing data center markets. In some descriptions, PSI also references co-generation (CHP) applications as part of its power generation portfolio.
In the industrial end market, PSI provides engine and battery powertrain solutions for equipment such as forklifts, agricultural and turf machinery, arbor care equipment, industrial sweepers, aerial lifts, irrigation pumps, airport and ground support equipment, and construction equipment. These applications reflect the company’s focus on powertrains tailored to off-highway and industrial uses.
In the transportation end market, PSI develops engine powertrain solutions and powertrains that are purpose-built for specialized vehicles. The company cites applications including medium-duty trucks and buses (such as school and transit buses), work trucks, terminal tractors, port equipment, military vehicles and other non-road vocational vehicles. Across these segments, PSI positions itself as a supplier to OEMs and end users that require customized, emission-certified engine and powertrain solutions.
Technology, fuels and engineering capabilities
PSI emphasizes its in-house design, prototyping, engineering and testing capabilities. The company states that these capabilities enable it to customize engines and power systems to meet specific performance, emissions and fuel requirements. Its fuel-agnostic approach allows engines to be configured for natural gas, propane, gasoline, diesel and biofuels, and in some cooperative arrangements PSI is involved in gasification development of certain diesel engines to support multiple fuel types on a common engine block.
The company’s engines and power systems are described as emission-certified and advanced, with a focus on clean, high-performance operation. PSI’s disclosures indicate that its products are intended to meet emission standards imposed by environmental regulatory bodies such as the U.S. Environmental Protection Agency. This regulatory alignment is important for OEMs and end users operating in power generation, industrial and transportation environments where compliance is required.
Market positioning and strategic focus
PSI’s public communications highlight a strategic focus on higher-growth sectors within its end markets. In particular, the company points to the rapidly expanding data center sector and oil and gas-related products as priority areas within its power systems portfolio. PSI reports that it has been enhancing manufacturing capacity and capabilities to support data center-related demand, and that this has contributed to growth in its power systems end market relative to some industrial and transportation applications.
The company also notes that it has shifted its sales mix away from certain transportation customers and more mature markets such as trucks and school buses, while continuing to serve specialized transportation and industrial applications. PSI’s disclosures describe ongoing efforts to improve operational efficiency, manage supply chain challenges, and address tariff and regulatory environments that can affect material costs and product availability.
Capital markets and corporate developments
Power Solutions International has discussed several capital markets milestones in its recent communications. The company announced that it uplisted its common stock to The Nasdaq Stock Market, with trading under the symbol PSIX commencing after approval by Nasdaq. PSI has also reported that it was named to the Russell 3000®, Russell 2000® and Russell Microcap® indexes, and added to the MSCI US Small Cap Index, which it views as enhancing its visibility with institutional and retail investors.
On the financing side, PSI entered into an amended revolving credit agreement that provides a committed borrowing capacity and extends the maturity of its credit facility. The company has described this amended agreement as a long-term committed credit facility that supports its growth and provides additional financial flexibility. PSI has also reported the repayment of a shareholder loan and reductions in total debt, and has stated that it has achieved profitability and positive cash flows from operating activities over multiple periods.
Recent performance highlights
In multiple quarterly and annual updates, PSI has reported record or strong financial results, including growth in net sales, gross profit and net income compared with prior-year periods. The company has attributed these results primarily to increased sales in its power systems end market, particularly products supporting data centers and oil and gas, along with operational improvements and changes in sales mix. PSI has also discussed the impact of tariff changes, supply chain interruptions, and macroeconomic and geopolitical factors on its operations, and has outlined actions to mitigate these risks through sourcing, pricing and supply chain management.
PSI’s communications include discussion of gross margin trends, research and development spending, selling, general and administrative expenses, interest expense, and income tax effects such as the release of valuation allowances on deferred tax assets. The company has indicated that improvements in financial performance and the extension of its revolving credit agreement contributed to its conclusion that it can continue as a going concern over a stated forward-looking period, subject to the risks described in its SEC filings.
Governance and ownership context
Power Solutions International’s SEC filings describe an active board of directors and changes in board composition over time, including the appointment and resignation of directors and committee assignments. The company has also disclosed that Weichai America Corp. is its largest stockholder and majority shareholder, and that certain directors serve as designees of Weichai. PSI has reported amendments to its incentive compensation plan and employment agreements for senior executives, including its General Counsel and Corporate Secretary.
Through its SEC reports and press releases, PSI outlines a range of risk factors that could affect its results, including macroeconomic conditions, supply chain disruptions, tariffs and trade compliance, information technology and cybersecurity risks, labor and talent considerations, warranty costs, and regulatory and legal matters. Investors and analysts typically review these disclosures, along with the company’s financial statements and segment information, to assess PSI’s position within the motor and generator manufacturing and power systems landscape.
Stock Performance
Power Solutions Intl (PSIX) stock last traded at $67.55, up 0.86% from the previous close. Over the past 12 months, the stock has gained 153.8%. At a market capitalization of $1.5B, PSIX is classified as a small-cap stock with approximately 23.1M shares outstanding.
Latest News
Power Solutions Intl has 10 recent news articles. Of the recent coverage, 5 articles coincided with positive price movement and 5 with negative movement. Key topics include acquisition, earnings, clinical trial. View all PSIX news →
SEC Filings
Power Solutions Intl has filed 5 recent SEC filings, including 4 Form 8-K, 1 Form 10-K. The most recent filing was submitted on March 13, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all PSIX SEC filings →
Financial Highlights
Power Solutions Intl generated $722.4M in revenue over the trailing twelve months, retaining a 25.6% gross margin, operating income reached $109.7M (15.2% operating margin), and net income was $114.0M, reflecting a 15.8% net profit margin. Diluted earnings per share stood at $4.94. The company generated $24.1M in operating cash flow. With a current ratio of 3.15, the balance sheet reflects a strong liquidity position.
Upcoming Events
Short Interest History
Short interest in Power Solutions Intl (PSIX) currently stands at 1.5 million shares, up 27.6% from the previous reporting period, representing 17.2% of the float. Over the past 12 months, short interest has increased by 217.4%. This moderate level of short interest indicates notable bearish positioning.
Days to Cover History
Days to cover for Power Solutions Intl (PSIX) currently stands at 1.5 days, down 37.9% from the previous period. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed. The days to cover has increased 23.1% over the past year, indicating improving liquidity conditions. The ratio has shown significant volatility over the period, ranging from 1.0 to 4.6 days.
PSIX Company Profile & Sector Positioning
Power Solutions Intl (PSIX) operates in the Specialty Industrial Machinery industry within the broader Engines & Turbines sector and is listed on the NASDAQ.
Investors comparing PSIX often look at related companies in the same sector, including Enerpac Tool Group Corp (EPAC), Standex Intl (SXI), ATS (ATS), American Superconductor Corp (AMSC), and Kadant (KAI). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate PSIX's relative position within its industry.