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X4 Pharmaceuticals

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Clinical-stage oncology company developing best-in-class oral small molecule CXCR4 antagonists for the treatment

Cambridge, United StatesFounded 2014Biotech & Life Sciences
Valuation $178M Market cap · 2026
Revenue $35M Latest reported FY

About X4 Pharmaceuticals

X4 Pharmaceuticals was founded in 2014 by a team of biotech veterans: Raj Parekh, Irving Fain, Alan Walts, Paula Ragan, and Brent Emmett. The company is headquartered in Boston, Massachusetts, and focuses on developing novel therapies for rare diseases.

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From its inception, X4 Pharmaceuticals aimed to address the unmet needs of patients with rare diseases by improving immune cell trafficking. This focus on rare diseases allowed the company to carve out a niche in the biopharmaceutical industry.

In its journey, X4 Pharmaceuticals achieved a significant milestone by going public. This move not only provided the company with the capital needed to advance its research and development efforts but also increased its visibility in the competitive biotech market.

Throughout its history, X4 Pharmaceuticals has remained committed to its mission of developing innovative treatments that can significantly improve the lives of patients with rare diseases. The company's dedication to research and development continues to drive its progress and impact in the field of biopharmaceuticals.

Source: Dealroom company data

At a glance

Status
Listed
Founded
2014
Headquarters
Cambridge, United States
Listing
IPO 2017
Sector
Biotech & Life Sciences
Power Law
Colt$25–100M revenue

Investors

2 investors on the cap table

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

Series A1 investor entered at this stage

Series B and later1 investor entered at this stage

  • Hercules Capital
Team profiled 19 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 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
6 countries with
team presence
🇺🇸 United States88.9%
🇦🇹 Austria3.7%
🇬🇧 United Kingdom1.9%
🇷🇴 Romania1.9%
🇩🇪 Germany1.9%
Top 5 of 6 shown
Web traffic by country
5.2K monthly visits
across markets
🇺🇸 United States55.8%
🇮🇳 India23.1%
🇨🇦 Canada21.2%
Top 3 markets shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about X4 Pharmaceuticals 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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