Mariner pairs with State Street
13 February 2026 US
Image: Chanwit/stock.adobe.com
State Street Corporation has announced that Mariner, a privately held national financial services firm, will implement Charles River’s wealth management solution to streamline its operations and support its long-term growth strategy, including its goal of expanding to 5,000 advisors.
Charles River is a development software business owned by State Street.
The goal of the implementation of is to help Mariner operate more efficiently across its current over 2,080 advisors while establishing a scalable, centralised technology foundation designed to support continued growth without adding operational complexity or disrupting the advisor or client experience
Mariner plans to use Charles River’s centralised wealth technology to enhance portfolio management, advisor workflows, trading, custodial data integration, and enterprise data management.
John Plansky, global head of State Street Wealth Services, comments: “Mariner is a fast-growing firm in wealth management, and we’re thrilled to support them with a modern, centralised platform that strengthens the advisor experience.”
Marty Bicknell, CEO and president of Mariner, remarks: “This partnership reflects how we think about our company’s next chapter. It’s designed to support our journey to 5,000 advisors and beyond, while enabling a more unified and modern experience across the firm as it continues to grow.”
Swati Verma, head of Charles River’s wealth and advisor platforms, adds: “Charles River’s centralised platform offers advisors tools they need to manage portfolios, trade efficiently, and work seamlessly across custodians and investment programmes, including UMA, SMA, Rep-as-PM, and fund wraps.
"It’s designed to reduce operational friction while giving firms the flexibility to grow on a single, integrated platform.”
Charles River is a development software business owned by State Street.
The goal of the implementation of is to help Mariner operate more efficiently across its current over 2,080 advisors while establishing a scalable, centralised technology foundation designed to support continued growth without adding operational complexity or disrupting the advisor or client experience
Mariner plans to use Charles River’s centralised wealth technology to enhance portfolio management, advisor workflows, trading, custodial data integration, and enterprise data management.
John Plansky, global head of State Street Wealth Services, comments: “Mariner is a fast-growing firm in wealth management, and we’re thrilled to support them with a modern, centralised platform that strengthens the advisor experience.”
Marty Bicknell, CEO and president of Mariner, remarks: “This partnership reflects how we think about our company’s next chapter. It’s designed to support our journey to 5,000 advisors and beyond, while enabling a more unified and modern experience across the firm as it continues to grow.”
Swati Verma, head of Charles River’s wealth and advisor platforms, adds: “Charles River’s centralised platform offers advisors tools they need to manage portfolios, trade efficiently, and work seamlessly across custodians and investment programmes, including UMA, SMA, Rep-as-PM, and fund wraps.
"It’s designed to reduce operational friction while giving firms the flexibility to grow on a single, integrated platform.”
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