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ClostraBio

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A startup developing a drug that can prevent allergic reactions to food

Chicago, United StatesFounded 2016Biotech & Life Sciences
Valuation $50–100M Last recorded · 2022
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for ClostraBio and the history behind them.

About ClostraBio

ClostraBio is a pioneering company focused on developing dietary supplements and therapeutics aimed at improving gut health, treating inflammatory bowel disease (IBD), and managing food allergies. Operating in the healthcare and biotechnology market, ClostraBio serves patients and healthcare providers seeking advanced solutions for gut-related health issues. The company's core product offerings include a novel probiotic strain called CLB 101 and a plug-and-play platform for delivering bacterial metabolites. CLB 101 is an anaerobic, spore-forming, butyrate-producing probiotic that has shown promise in preventing allergic responses in preclinical studies. ClostraBio generates revenue through the sale of its dietary supplements and potential licensing of its proprietary technology to other healthcare entities. The business model is centered around continuous innovation and scientific validation to ensure the efficacy and safety of its products. By addressing unmet needs in gut health and food allergy management, ClostraBio aims to establish itself as a leader in the biotech industry.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2016
Headquarters
Chicago, United States
Employees
13
Open positions
None listed
Dealroom signal
81.3/100
Industry
Health
Sub-industry
Pharmaceutical
Sector
Biotech & Life Sciences, Biotechnology, Spinout, Biotech and Pharma, Woman Founder, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

6 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VCOther financing Mar 2025 $0 — Next Gen Nutrition Investment Partners · The Illinois Innovation Venture Fund ↗
EARLY VCOther financing Oct 2022 $11M $44M Undisclosed ↗
Showing the latest 2 of 6 recorded eventsBook a demo for the full funding history →

Growth signals

ClostraBio website traffic

Latest recorded traffic for ClostraBio is 3K monthly website visits, up 229.7% over the last three months. ClostraBio's team grew 8.3% over the past year.

Latest monthly visits3K 3-month web change+229.7% 1-year team growth+8.3%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

5 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A3 investors entered at this stage

  • Portal Innovations
  • Next Gen Nutrition Investment Partners
  • The Illinois Innovation Venture Fund

Other known investors2 additional known investors

  • The University of Chicago
  • Stone Mountain Venture
Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about ClostraBio on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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