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Water Street Healthcare Partners, a Chicago-based private equity firm dedicated exclusively to healthcare investing, has announced the first and final closing of Water Street Healthcare Partners VI, L.P. (“Fund VI”) at $1.9 billion in total capital commitments. The fund was oversubscribed and closed at its hard cap. The closing was announced on May 13, 2026.
Fund VI closed at its hard cap in a single close — a first and final closing — reflecting exceptionally strong institutional demand for Water Street’s differentiated healthcare-exclusive investment strategy. The oversubscribed close underscores sustained LP confidence in the firm’s approach to building market-leading businesses across three critical healthcare sectors: medical products and diagnostics, pharmaceutical and life sciences, and healthcare services.
Tim Dugan, Managing Partner at Water Street, expressed deep gratitude to investors for their strong support of the firm’s strategy — emphasising the team’s commitment to investing not just capital but healthcare knowledge, experience, and network to achieve the goal of building premier companies that positively impact the healthcare system and deliver exceptional results to employees, customers, and investors.
With Fund VI capital, Water Street is actively seeking investment opportunities in mid-market businesses across its three core healthcare verticals. The firm’s investment thesis centres on the intersection of operational excellence and deep sector expertise — combining the knowledge of healthcare executives, investment professionals, and functional specialists to build market-leading platforms capable of improving patient care, driving innovation, and improving healthcare system efficiency.
This sector-specific approach has defined Water Street since its founding and differentiates the firm from generalist private equity investors competing in the same mid-market space.
Water Street has completed more than 180 investments and acquisitions, building 48 or more companies across its healthcare focus areas. This depth of experience — spanning clinical products, life sciences platforms, and healthcare services businesses — has established Water Street as one of the most experienced and specialised mid-market healthcare investors in North America.
The firm’s team is a distinctive blend of healthcare executives, investment professionals, and functional specialists with decades of experience both investing in and operating global healthcare businesses — a model that enables Water Street to go beyond capital and contribute meaningful strategic and operational value to portfolio companies pursuing growth objectives.
The Fund VI close positions Water Street Healthcare Partners to deploy meaningful capital into the mid-market healthcare sector at a compelling moment — characterised by accelerating innovation in medical technology and diagnostics, ongoing consolidation in pharmaceutical and life sciences services, and growing structural demand for higher-quality, more efficient healthcare delivery. With $1.9 billion of fresh capital and one of the deepest networks in healthcare investing, Water Street is well-positioned to identify and build the next generation of market-leading healthcare companies.
Water Street Healthcare Partners is a strategic investor dedicated to building market-leading businesses in three critical healthcare sectors: medical products and diagnostics, pharmaceutical and life sciences, and healthcare services. The firm has completed more than 180 investments and acquisitions to build 48+ companies contributing to improved patient care, innovation, and a more efficient health care system. Working closely with leadership teams, Water Street contributes its industry experience and network of resources to support businesses’ growth objectives. Based in Chicago, Water Street’s team is a distinctive blend of healthcare executives, investment professionals, and functional specialists with decades of experience investing in and operating global healthcare businesses.
