Organization · Venture Capital
Castor Ventures (an Alumni Ventures Fund)
Castor Ventures is a venture capital firm affiliated with Alumni Ventures, focused on investing in companies with connections to MIT. Based in Manchester, New Hampshire, it supports technology and innovation across various stages of investment.
Overview
What Castor Ventures (an Alumni Ventures Fund) does
What Castor Ventures (an Alumni Ventures Fund) is
Castor Ventures is a venture capital firm affiliated with Alumni Ventures, focused on investing in companies with connections to MIT. Based in Manchester, New Hampshire, it supports technology and innovation across various stages of investment.
How it participates in the startup ecosystem
The current public profile supports funder and community capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Structured capabilities
- Funder · Community
- Last reviewed
- March 27, 2026
Official channels
Find Castor Ventures (an Alumni Ventures Fund) elsewhere
Open the official website or a supported primary organization account.
Capability profile
Castor Ventures (an Alumni Ventures Fund) as a funder
Investment thesis
Castor Ventures focuses on providing accredited investors access to venture capital deals, emphasizing technology, entrepreneurship, and innovation, particularly from MIT-connected founders.
Focus narrative
Castor Ventures invests across various stages, from pre-seed to later-stage companies. The organization emphasizes thorough due diligence and co-invests with leading venture capital firms, seeking opportunities in diverse geographies and sectors, including medicine, strategic technology, women's founders, and early-stage AI deals.
Value beyond capital
Castor Ventures adds value to its portfolio companies through strategic partnerships, access to a vast network of venture capital firms, and a focus on technology and innovation. The organization emphasizes collaboration with leading firms to enhance growth and operational efficiency.
Focus and fit
- Stages
- Pre-seed · Seed · Seed+ · Series A · Series B · Series C · Growth Equity
- Regions
- Global
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 150
Portfolio context
Notable portfolio companies include: Groq: Develops a single core chip aimed at enhancing AI capabilities by reducing computing costs. Observe: Provides a cloud platform that identifies technical issues in business applications, improving incident resolution and reducing cloud expenses. Circle: A global fintech company enabling businesses to utilize digital currencies and public blockchains for various financial applications.
Capability profile
Castor Ventures (an Alumni Ventures Fund) as a community
Community overview
Castor Ventures is an investment organization that is part of Alumni Ventures, focusing on providing accredited investors access to venture capital deals. Founded to facilitate investment in technology, entrepreneurship, and innovation, Castor Ventures operates with a network of venture capital firms and has a presence in multiple countries.
Community focus
Castor Ventures invests across various stages, from pre-seed to later-stage companies. The organization emphasizes due diligence and co-invests with leading venture capital firms, seeking opportunities in diverse geographies and sectors, including medicine, strategic technology, women's founders, and early-stage AI deals.
Member value
Members gain access to a network of venture capital opportunities, insights into technology and innovation investments, and the ability to co-invest alongside leading firms in the industry.
Membership
- Recorded members
- 150
Availability
- Membership state
- Accepting
Audience and fit
- Audience
- Investors
- Benefits
- network-access
- Program types
- other
- Selection criteria
- application
- Stages
- Pre-seed · Seed · Seed+ · Series A · Series B · Growth Equity
- Regions
- Global
Community activity
Notable members
Notable portfolio companies include Groq, Observe, and Circle, among others. The fund is led by Chris Sklarin, who has deployed over $120M across all stages.
Common questions
What to know about Castor Ventures (an Alumni Ventures Fund)
Upseed classifies Castor Ventures (an Alumni Ventures Fund) under the Venture Capital organization type. Its current public profile includes funder and community capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 27, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.