Welsh, Carson, Anderson & Stowe and Walgreen Co. Invest in Shields Health Solutions

Welsh, Carson, Anderson & Stowe Invests in Constitution Surgery Alliance

June 16, 2025

Healthcare Services

Welsh, Carson, Anderson & Stowe (WCAS) has made a strategic growth investment in Constitution Surgery Alliance (CSA), an independent developer and operator of ambulatory surgery centers. The investment will provide capital and healthcare scaling expertise to help CSA expand nationally; CSA currently manages 16 facilities across five states and performs over 100,000 procedures annually.

Welsh, Carson, Anderson & Stowe Makes Strategic Growth Investment in ImageTrend, Inc.

February 10, 2023

Software

Welsh, Carson, Anderson & Stowe (WCAS) made an equity growth investment in ImageTrend, Inc., a market-leading provider of public safety and healthcare software, to accelerate growth and product innovation. WCAS partners with ImageTrend’s management and will add investment team members to the board to support continued expansion of the company’s software, analytics, and services across EMS, hospitals, fire, and public safety end markets.

Walgreens Boots Alliance Acquires Remaining Stake in Shields Health Solutions

September 20, 2022

Healthcare Services

Walgreens Boots Alliance entered into a definitive agreement to acquire the remaining ~30% stake in Shields Health Solutions for approximately $1.37 billion, completing WBA's move to full ownership of the specialty pharmacy integrator. Shields, a health system–focused specialty pharmacy accelerator headquartered in Stoughton, Massachusetts, has rapidly grown revenue and partnerships and will continue operating as a distinct business within Walgreens under new leadership.

Welsh, Carson, Anderson & Stowe Acquires Majority Stake in Leiters

November 9, 2021

Pharmaceuticals

Welsh, Carson, Anderson & Stowe (WCAS) acquired a majority ownership stake in Leiters, an FDA-registered 503B outsourced pharmaceutical compounding provider. WCAS invested alongside health system investors including Intermountain Ventures, Novant Health, Rex Health Ventures, Spectrum Health Ventures and UNC Health, while existing investors — including Kaiser Permanente Ventures, Mayo Clinic, Frazier Healthcare Partners, SV Health Investors and H.I.G. BioHealth Partners — made reinvestments to support Leiters' growth, facility expansion and new product development.

Welsh, Carson, Anderson & Stowe Acquires Majority Stake in GovernmentCIO

November 2, 2020

IT Services

Welsh, Carson, Anderson & Stowe (WCAS) completed a strategic majority investment in GovernmentCIO, a provider of technology and digital solutions to the federal health IT market. The investment will fund organic growth and support a buy-and-build strategy to expand GovernmentCIO’s capabilities and customer footprint across federal health and adjacent federal IT markets.

Welsh, Carson, Anderson & Stowe Acquires Green Street Advisors from Golden Gate Capital

June 3, 2019

Data & Analytics

Welsh, Carson, Anderson & Stowe (WCAS) has signed a definitive agreement to acquire Green Street Advisors from Golden Gate Capital. Management will reinvest and WCAS plans to accelerate organic growth, invest in product innovation and pursue strategic M&A to expand Green Street's research, data and analytics offerings for the commercial real estate market.