Firm at a glance
Altaris is a platform private equity firm founded in 2003, per its own website [S1]. The firm reported approximately $9 billion or more in equity under management as of June 30, 2025 [S1].
What they buy
Based on publicly reported transactions over the past 24 months, Altaris appears to focus on healthcare and life sciences businesses [S2][S3][S4][S5]. The firm’s recent acquisitions include healthcare IT services, pharmaceutical simulation software, and life sciences data and analytics platforms. Transaction sizes have ranged from approximately $375 million to $600 million in disclosed deal values during this period [S2][S3].
Portfolio
No current portfolio companies were surfaced in publicly available materials reviewed as of March 2026.
Recent activity (last 24 months)
• March 2026: Acquired Tegria Services Group Inc., a healthcare IT services provider, from Providence St. Joseph Health [S4]
• February 2026: Acquired Clarivate’s Life Sciences & Healthcare Business for $600 million [S2]
• January 2026: Acquired Simulations Plus, a pharmaceutical simulation software company, for approximately $375 million [S3]
• January 2025: Acquired WuXi AppTec’s British and US units [S5]
How this firm fits a seller
Altaris appears to target established healthcare and life sciences platforms with meaningful scale, based on the transaction values and business profiles observed in recent acquisitions. The firm’s consistent activity in 2025 and 2026 suggests an active deployment cycle. For owner-operators in healthcare IT, pharmaceutical services, or life sciences data businesses, Altaris represents a potential acquirer with demonstrated interest in these subsectors and the capital base to support sizable transactions.
Sources
[S1] https://altariscap.com (as of 2026-03-27 and 2025-06-30)
[S2] https://www.prnewswire.com/news-releases/clarivate-announces-sale-of-life-sciences–healthcare-segment-for-600-million-302818080.html (as of 2026-02)
[S3] https://www.businesswire.com/news/home/20260616126655/en/Simulations-Plus-to-Be-Acquired-by-Altaris-For-Approximately-%24375-Million (as of 2026-01)
[S4] https://www.mccarthy.ca/en/experience/altaris-llc-has-acquired-tegria-services-group-inc-from-providence-st-joseph-health (as of 2026-03-27)
[S5] https://healthcaretoday.com/article/altaris-acquires-wuxi-apptecs-british-and-us-units (as of 2025-01-23)
Frequently asked questions
Does Altaris buy healthcare businesses?
Yes, per publicly reported transactions. All four acquisitions disclosed between January 2025 and March 2026 involved healthcare or life sciences companies, including healthcare IT services, pharmaceutical software, and life sciences data platforms [S2][S3][S4][S5].
What companies has Altaris acquired recently?
Recent acquisitions include Tegria Services Group in March 2026, Clarivate’s Life Sciences & Healthcare Business in February 2026, and Simulations Plus in January 2026 [S2][S3][S4]. The firm also acquired WuXi AppTec’s British and US units in January 2025 [S5].
Where is Altaris based and how big is the firm?
Office locations were not disclosed in publicly available materials reviewed as of March 2026. The firm reported approximately $9 billion or more in equity under management as of June 30, 2025 [S1].
Is Altaris still actively acquiring?
Yes, based on recent transaction history. The firm completed three acquisitions in the first quarter of 2026 alone, with the most recent disclosed transaction occurring in March 2026 [S2][S3][S4].
This profile is maintained by CT Acquisitions as an independent third-party reference. CT Acquisitions is not affiliated with, endorsed by, or a representative of the firm profiled. All facts sourced from publicly available materials as of the dates cited.