Stonewain Systems
Powering the business of securities finance

Offering state-of-the-art technology for global financial institutions, Stonewain Systems is the software development company behind EquiLend Spire, the front-to-back platform for agent lenders, broker-dealers and beneficial owners in the $2.4 trillion securities finance industry.

EquiLend Spire Named Best Software Solution Globally

Global Investor/ISF Awards 2021 & 2022

Build your tech stack with EquiLend Spire

EquiLend Spire components may be onboarded individually or as a front-to-back solution based on each firm’s securities lending business needs. Some of the EquiLend Spire capabilities include:

Pre-Trade & Trade

Order and Inventory Management
Pricing Engine
Fully Paid Lending


Books & Records
Collateral Management
Trade Lifecycle
Billing, Earnings and Accounting

EquiLend Spire

Managing your securities finance business has never been more efficient. 
Find Out More

Contact us for a demo to come one step closer to experiencing the unique benefits of EquiLend Spire.  

The Stonewain Advantage

With EquiLend Spire, clients benefit from industry-leading technology spanning the full spectrum of securities finance business functions.