Alger is a private equity firm. Based in New York, United States. Among the 5 companies in the known portfolio are SandboxAQ, Impulse Dynamics, Forte Biosciences, Prosetta Biosciences and Tolero Pharmaceuticals.
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Investment focus
- Sector
- AIHealthcare
Contacts
Who to pitch at Alger
Alger portfolio companies (5)
- SandboxAQ
- Impulse Dynamics
- Forte Biosciences
- Prosetta Biosciences
- Tolero Pharmaceuticals
Co-investors
Funds that share portfolio companies with Alger.
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About Alger
The firm's listing covers sectors AI and Healthcare, and focus areas Biotech, Drug Discovery, MedTech and Medical Devices; known deals cluster at Growth, Late-Stage and Seed.
The contact to approach at Alger is Rahul C. (Vice President, Senior Analyst).
Alger shares portfolio companies with 20 other investment firms, among them Breyer Capital, Time Ventures and Redmile Group.
Frequently asked questions
What is Alger?
Alger is a private equity firm based in New York, United States, with a known portfolio of 5 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Alger invest in?
Listed sectors include AI and Healthcare; listed focus areas include Biotech, Drug Discovery, MedTech and Medical Devices. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Alger invest at?
The known deals of Alger include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Alger?
One person at Alger is on file, listed as a contact for the firm, with their own profile page.
How do I contact Alger?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal