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Stena Sphere

Stena Sphere is a family-owned multinational comprising three independent parent companies—Stena AB, Stena Metall AB, and Stena Sessan AB—engaged in transportation, and , , and long-term investments. Founded in 1939 by Sten A. Olsson as a metals , it has grown into one of Sweden's largest privately held business groups, employing around 22,000 people worldwide and reporting a total income of 94 billion with a profit before tax of 4.9 billion in 2024. The origins of Stena Sphere trace back to November 18, 1939, when 23-year-old Sten A. Olsson established Sten A. Olsson Metallprodukter in Gothenburg to trade scrap metal and surplus materials amid World War II shortages. In the post-war years, the business expanded into shipping in 1946 with the purchase of the vessel Dan, followed by the launch of ferry services in 1962 between Gothenburg and Danish ports, marking the entry into passenger and freight transport. By 1972, the operations had diversified sufficiently to split into separate entities, with Stena Line AB focusing on ferries and Stena Metall AB on recycling, while subsequent decades saw further growth through acquisitions like Stena Drilling in 1995 and the establishment of Stena Adactum for investments in 2002. Today, under the leadership of Dan Sten Olsson, son of the founder and CEO of Stena AB, the Sphere remains wholly owned by the Olsson family and emphasizes sustainable practices, such as CO2-neutral ferry technology and circular economy initiatives in recycling. Stena AB, the largest parent company, oversees maritime operations including ferry services via , tanker shipping through Stena Bulk, and with Stena Drilling, operating a fleet of over 130 vessels globally. Stena Metall AB leads in sustainable , processing 6 million tons of annually and managing assets like 201 turbines, while also handling property development. Stena Sessan AB functions as an investment arm, holding stakes in Nordic growth companies such as and Exeger, with a focus on active ownership to drive profitability and across sectors. The Sphere's integrated structure fosters synergies, such as using recycled materials in , and supports philanthropic efforts through family foundations that have donated over 560 million to research, culture, and social causes since 1996.

History

Founding and Early Years

Sten Allan Olsson, born on October 28, 1916, on the island of Donsö in the to a family of shipowners and captains, demonstrated an early entrepreneurial spirit shaped by his maritime upbringing. At the age of 23, amid the outbreak of , he established Sten A. Olsson Metallprodukter on November 18, 1939, in , , as a small-scale focused on metals, , raw rubber, and surplus goods. This venture capitalized on 's neutrality, enabling Olsson to navigate wartime shortages through domestic and limited international trade, laying the groundwork for what would become the Stena Sphere conglomerate. Following the end of in 1945, the company experienced significant growth by supporting Europe's reconstruction efforts, trading in essential metals and surplus materials vital for industrial rebuilding. Olsson's operations emphasized and opportunistic sourcing, with the business expanding its collection and processing activities to meet postwar demand for raw inputs in and projects. This period marked a shift from wartime constraints to booming trade opportunities, as Olsson's firm became a key player in Sweden's burgeoning and metals sector. In the early 1940s, as trading volumes increased, Olsson began incorporating basic shipping operations, utilizing chartered freighters to transport goods along coastal routes and across the , which proved essential for efficient logistics during and after the war. A pivotal milestone came in 1946, when he acquired the company's first owned vessel, the three-masted —named after his firstborn son—purchased with a SEK 25,000 loan from and converted for freight service. This acquisition, originally a ship of around 440 tons, initiated formal maritime expansion and underscored Olsson's vision of integrating trading with transport to enhance the group's resilience and reach.

Expansion into Shipping and Diversification

During the , Stena expanded its operations from metal trading into coastal shipping, developing short-haul routes across waterways with a fleet comprising 12 owned and 12 chartered freighters focused on transport. This growth built on the company's initial entry into shipping in , when Sten A. Olsson acquired his first , enabling efficient for scrap metal and other commodities along Sweden's inland and coastal paths. The push into passenger ferry services began in the early 1960s, marking a pivotal shift toward diversified . In 1962, Stena formally established as its dedicated ferry division, launching the inaugural route between , , and —a short crossing that capitalized on growing cross-border demand for passengers and vehicles. This service quickly proved successful, prompting expansion to nearby routes such as to by the mid-1960s, with the introduction of vessels like the Stena Danica in 1969 to handle increased traffic. Throughout the and , Stena significantly scaled its shipping operations, growing the fleet to support and emerging tanker activities amid rising global trade volumes. By the late , the company had invested heavily in specialized vessels, including 11 RoRo ships delivered from in 1977, which enhanced capacity for roll-on/roll-off cargo and integrated seamlessly with ferry expansions. These developments positioned Stena as a key player in Northern European maritime logistics, with a balanced mix of owned and chartered emphasizing efficiency in bulk and liquid transport. Entry into offshore activities occurred in the late , driven by the global and opportunities in support. Stena made major investments in vessels, securing early contracts that involved rigs and supply operations in the , laying the groundwork for specialized services. This venture diversified the company's portfolio beyond conventional shipping, leveraging its ship management expertise to tap into high-demand energy sector needs. To bolster its expanding network, Stena initiated diversification into and during the , focusing on infrastructure that supported maritime operations. Projects included the development of terminals and warehouses in , such as the foundational work leading to the Masthugg terminal's completion in the early 1970s, which provided essential berthing and storage facilities for ferry and cargo activities. These efforts ensured integrated control, reducing reliance on external providers and facilitating smoother operations across Stena's growing routes.

Modern Developments and Restructuring

In 1972, the Stena Group underwent a significant by separating its operations into two independent entities: , focused on ferry and shipping services, and Stena Metall AB, dedicated to and metal trading activities. This division marked the beginning of the formalized structure within the Stena Sphere, allowing each unit to pursue specialized growth while maintaining family oversight. During the and , the Stena Sphere pursued aggressive international expansion to capitalize on emerging markets in and energy. Stena Line notably acquired Sealink British Ferries in 1990, which doubled its size and integrated key routes connecting Sweden to the and , enhancing its position in the ferry sector. Concurrently, Stena entered the industry in the mid-1980s, deploying rigs like the Stena Spey—built in 1983—for operations in the , thereby diversifying into oil and gas support services amid the region's booming exploration activities. In 1981, amid this expansion, Stena Sessan AB was formally established as the group's primary investment vehicle, enabling strategic acquisitions and long-term portfolio management across various sectors. The saw continued global operational growth for the Stena Sphere, with expansions in ferry networks, drilling fleets, and recycling operations across and beyond, culminating in over 18,000 employees by 2010 as the group solidified its multinational presence. Sten Allan Olsson passed away on July 12, 2013, after which his son Dan Sten Olsson assumed leadership of the group. In the 2020s, the Stena Sphere navigated economic challenges and opportunities, reporting total income of 94 billion and profit before tax of 4.9 billion for 2024, reflecting resilient performance across its core businesses. Key strategic shifts in 2025 included Stena Line's decision to discontinue its –Rosslare route after September 30, following a review of route viability amid shifting passenger and freight demands. Additionally, in February 2025, Stena Bulk entered a with NNPC Shipping and Caverton Marine to establish a new tanker operation focused on crude oil, refined products, and LNG transport serving and , aiming to strengthen regional . In November 2025, Stena Line acquired Wasaline, a operator serving the – route between and , further expanding its Nordic network.

Corporate Structure

Stena AB

Stena AB serves as the primary operating entity within the Stena Sphere, overseeing a diverse portfolio of transportation, offshore services, and supporting activities, with a of approximately 18,000 employees across global operations. As the largest unit in the Sphere, it drives core activities in services, shipping, and , emphasizing and in sectors. Founded in connection with the establishment of in 1962, Stena AB has evolved into a key player in European and international logistics. Stena Line, a , operates 40 vessels across 19 routes primarily in , transporting 6.3 million and over 2 million freight units annually in 2024. Key routes include the – () service, which provides vital connectivity for and cargo between and , alongside other major links such as – and –. These operations form a critical component of , facilitating both travel and efficient freight movement. In shipping, Stena Bulk manages a large fleet of tankers, specializing in product, chemical, and crude oil transportation worldwide. Complementing this, Stena RoRo operates a fleet of 12 vessels, including three pure RoRo ships and nine RoPax units, focusing on solutions for global trade. A notable development is the 2025 between Stena Bulk, Shipping and Logistics Limited, and Caverton Marine Limited, aimed at enhancing tanker operations and logistics in , including crude oil and product transport for regional and international markets. Stena Drilling provides rig services for and gas , maintaining a fleet of five ultra-deepwater drillships and two rigs. The company holds active contracts in the , such as the extension with Ithaca Energy (UK) Limited for the Stena Spey rig and agreements with Nexen Petroleum UK Limited. While historical operations included work in , current commitments span regions like the , emphasizing high-specification drilling capabilities. Stena Fastigheter manages in , owning and developing around 28,350 residential apartments and 2,000 properties in metropolitan areas like , , and . In April 2025, it acquired Källfelts Byggnads AB, adding approximately 1,350 residential units and 68,000 square meters of space. These assets include logistics-supporting facilities, such as warehouses and spaces that facilitate and operations by providing strategic locations for storage and distribution. Stena Teknik functions as the innovation arm, conducting in marine technology and vessel design to advance and environmental performance. Key initiatives include projects on methanol-powered vessels, , and alternative fuels, often in collaboration with subsidiaries like and Stena Bulk to optimize fleet designs for reduced emissions.

Stena Metall AB

Stena Metall AB was established in 1972 as a dedicated entity focused on and metal processing, separating it from the broader Stena operations that originated in 1939 with metal trading in , . Today, it plays a central role in the Stena Sphere's efforts by collecting, , and refining waste materials into reusable resources, operating across nine countries including , , , , , , , , and the , with approximately 4,400 employees. The company emphasizes sustainable resource management, processing around 6 million tonnes of waste annually to reduce environmental impact and support industrial reuse. The organization is structured into three main subgroups: , & , and . Stena handles the collection and processing of diverse waste streams, including , , and hazardous materials, providing comprehensive services for industrial and municipal clients. Within & , Stena produces customized high-quality from 100% recycled aluminum for the automotive and sectors, while Stena Stål focuses on and production from scrap materials. Stena Metall Finans acts as the group's in-house , managing financial risks, investments, and facilitating transactions related to trade. Key processes at Stena Metall AB center on the efficient collection and of metals, transforming into valuable inputs for while minimizing use. Since 2009, the company has held Europe's leading position in electronics recycling, leveraging advanced facilities to recover precious metals and components from e-waste across its international network. This expertise extends to handling and chemicals, ensuring compliance with stringent environmental regulations and promoting . In addition to domestic operations, Stena Metall AB engages in global trading of raw materials, steel products, and chemicals, supplying industries worldwide with sustainable alternatives to virgin resources. This trade arm supports the by connecting recycled outputs from its processing plants to markets, including and non-ferrous metals. In early 2025, Stena Metall AB announced the closure of its HaloSep subsidiary, effective January 1, citing uncertain market conditions for treated fly ash despite the technology's potential in .

Stena Sessan AB

Stena Sessan AB was established in 1981 as a direct investment firm based in and serves as a wholly owned entity of the Olsson family within the Stena Sphere. It emerged as part of the broader evolution of the Stena Group's structure during the modern developments and restructuring phase. The firm's centers on responsible investments in growth-oriented companies across diverse sectors, including healthcare and , with a primary aim of achieving long-term value creation and generational . This approach emphasizes ethical investing principles, incorporating (ESG) criteria in the selection and management of portfolio assets to ensure alignment with . By prioritizing companies with strong potential for enduring growth, Stena Sessan AB focuses on fostering and rather than short-term gains. Key activities include maintaining significant ownership stakes in entities such as Concordia Maritime, where it holds a major position and pursued a compulsory buy-out in to consolidate control. In line with its portfolio management, the firm divested its stake in Doktor.se, a healthcare provider, during 2025, concluding an investment that began with Doktor24 in 2022. Other notable holdings span technology firms like Kognic and , as well as healthcare innovators such as A3P Biomedical, reflecting a targeted diversification strategy. Operating on a smaller scale relative to the operational units of the Stena Sphere, Stena Sessan AB emphasizes strategic involvement over day-to-day operations, collaborating with co-owners and management teams to support portfolio companies' development without direct control. This hands-off yet influential role allows the firm to leverage its resources for high-impact guidance while maintaining a lean structure focused on investment oversight.

Ownership and Governance

The Olsson Family

Sten A. Olsson (1916–2013), the founder of what would become the Stena Sphere, established the family's control over the through wholly owned entities, beginning with the Sten A. Olsson Metallprodukter in 1939. Under his leadership, the structure evolved to include three parent companies—Stena AB, Stena Metall AB, and Stena Sessan AB—all of which remain fully owned by the Olsson family, ensuring centralized family oversight without external shareholders. Today, ownership is managed by the second and third generations of the Olsson family, with Dan Sten Olsson serving as the primary steward and CEO of Stena AB, holding a 51% stake in the Sphere. His siblings, Stefan Sten Olsson (24.5%) and Madeleine Olsson Eriksson (12.5%), along with Madeleine's children Gustav (6%) and (6%), collectively control the remaining shares, maintaining the private nature of the enterprise. Succession planning in the , following Sten A. Olsson's death in 2013, reinforced the family's commitment to private ownership, avoiding public listing to preserve independence and long-term decision-making. This transition emphasized reinvestment of profits into sustainable growth, aligning with core family values of long-termism and operational autonomy. As one of Sweden's largest family-owned conglomerates, the Stena Sphere employs approximately 22,000 people across its operations, underscoring the family's enduring influence on its strategic direction.

Leadership and Decision-Making

Stena Sphere operates under a decentralized governance structure, where its three parent companies—Stena AB, Stena Metall AB, and Stena Sessan AB—function independently with their own boards of directors and management teams, while coordination occurs at the Sphere level through advisory and coordination mechanisms. This model allows each entity to pursue tailored strategies suited to its sector, such as shipping for Stena AB, recycling for Stena Metall AB, and investments for Stena Sessan AB, with overarching alignment ensured by shared family ownership. Key leadership within the Sphere is anchored by family involvement, particularly Dan Sten Olsson, who serves as CEO of Stena AB since 1983 and chairs the boards of Stena Metall AB and other units, providing continuity and strategic direction. The Stena AB board, comprising 12 members with diverse expertise in finance, engineering, and industry, is chaired by Brock since 2017, while the Sphere , including Olsson and external advisors like Michael F. Hassing and Eivind Reiten, offers guidance on value creation and risk balance. Other parent companies maintain similar compositions, with Stena Metall AB led by CEO Kristofer Sundsgård and chaired by Anders Jansson, emphasizing operational autonomy. Decision-making processes emphasize coordination across the Sphere, facilitated by the Coordination Group, which includes CEOs from each business area such as Olsson and Sundsgård, to address , , and capital allocation during regular reviews. Annual evaluations at the Sphere level focus on long-term goals, performance metrics, and opportunity assessment, with decisions anchored in the Stena AB board and executed decentrally. Governance principles adhere to corporate standards, incorporating systematic risk management, compliance with policies, and mandatory as outlined in the Annual Accounts Act. The function oversees internal controls and ethical practices, ensuring alignment with core values of care, innovation, and efficiency across all units.

Sustainability and Impact

Environmental Initiatives

Stena Sphere has established overarching goals across its operations, aiming for carbon neutrality by 2050 in alignment with the and industry-wide net-zero targets for and sectors. This commitment is supported by subsidiary-specific science-based targets, including a 50% reduction in Scope 1 and 2 emissions by 2030 for Stena Recycling and a 40% reduction in carbon emissions by 2030 compared to 2019 for Stena AB's activities. Progress in 2024 included advancements in fleet , with introducing RoPax vessels equipped with large packages and preparing for further battery-hybrid integrations in newbuilds scheduled for 2025–2026. Within Stena AB, environmental efforts focus on maritime innovations to lower emissions. has deployed battery-hybrid vessels, such as the Stena Estelle, which features optimized design for , contributing to reduced dependency. Additionally, has achieved notable emissions reductions through operational and technological measures on its rigs, including the Stena DrillMAX and Stena Carron, which earned DNV's Abate(P) notation for demonstrating best practices in abatement and . Stena Metall AB plays a central role in promoting circular economy practices, achieving recycling rates exceeding 90% for metals in processes like electronic waste handling, which minimizes landfill waste and conserves resources. A key initiative involves aluminum remelting at Stena Aluminium, where secondary production from scrap reduces CO2 emissions by up to 92% compared to primary aluminum manufacturing, further enhanced by the exclusive use of renewable electricity that cuts electricity-related emissions by 96%. Cross-Sphere collaboration is facilitated through Stena Teknik, the group's R&D entity, which drives joint innovation in green fuels and sustainable technologies. This includes support for methanol-powered vessel programs in partnership with , utilizing dual-fuel engines that enable low-carbon operations, and research into biofuels and engine retrofits to accelerate the transition to zero-emission shipping.

Philanthropic Activities

The Stena Sphere's philanthropic efforts are channeled primarily through family-established foundations that emphasize , , , and social welfare. The Sten A. Olsson Foundation for Research and Culture, founded in to honor the company's founder on his 80th birthday, supports initiatives in fields such as , technical development, , medicine, and science, as well as arts and projects primarily in and western . Since its inception, the foundation has distributed over SEK 560 million in grants as of 2020, with an average annual allocation of SEK 35 million between 2009 and 2019 focused on multidisciplinary and cultural activities. Complementing this, the Jane and Dan Olsson Foundations for Scientific and Social Purposes address global societal challenges by promoting equality and combating issues including disease, poverty, , , , and , with a focus on improving physical, mental, and social health in and internationally. These foundations have supported organizations like Hand in Hand, which had created 185,000 jobs as of 2020, mainly in , through social and projects. Additionally, the Stena Sphere's commitments extend to youth entrepreneurship via foundation-backed programs that foster and innovation among young people. Key initiatives include educational scholarships awarded annually by the Sten A. Olsson , such as travel grants for master's students pursuing international studies—38 such scholarships were provided in 2023 to support academic mobility—and culture scholarships for talented artists, musicians, actors, and cultural practitioners, with 161 awarded as of 2023. In health and community support, the foundations fund programs in developing regions, including Stena Line's partnership with since 2017, where employees volunteer on the Africa Mercy hospital ship to deliver medical care along maritime routes in . The Olsson family maintains active involvement, with Dan Sten Olsson serving on the board of the Sten A. Olsson to oversee its strategic . This legacy of giving reflects the broader Olsson family tradition of societal contribution beyond business operations.

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