X4 Pharmaceuticals reported raising $85 Million in an initial SEC Form D filing, from an offering of $85 Million
Round Type
Venture
BostonBiotechnologyHealthcareInvestors
Quick answer
X4 Pharmaceuticals raised $85 Million in a funding round, dated August 13, 2025. Investors: Guggenheim Securities, LLC, Stifel, Nicolaus & Company, Incorporated and Leerink Partners LLC. X4 Pharmaceuticals is based in Boston, Massachusetts, United States.
- How much did X4 Pharmaceuticals raise?
- X4 Pharmaceuticals raised $85 Million in a funding round on August 13, 2025.
- Who invested in X4 Pharmaceuticals?
- Guggenheim Securities, LLC, Stifel, Nicolaus & Company, Incorporated and Leerink Partners LLC are named as investors in this round.
- What does X4 Pharmaceuticals do?
- X4 Pharmaceuticals is a fully integrated, commercial-stage biopharmaceutical company focused on driving progress for people living with rare immune disorders.
- Where is X4 Pharmaceuticals based and how big is it?
- X4 Pharmaceuticals is based in Boston, Massachusetts, United States. Fundz records about 111 employees.
- Who are the decision-makers at X4 Pharmaceuticals?
- Fundz holds 1 contact at X4 Pharmaceuticals, including the Executive Officer. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Healthcare and Biotechnology around the same time
Companies in the same sectors as X4 Pharmaceuticals that raised within 45 days of this round, from Fundz verified event records.
- Microbot Medical raised $25M on September 16, 2025.
- Aspira Women’s Health raised $3M on September 16, 2025.
- Talphera, Inc. raised $17M on September 10, 2025.
- Octave Bioscience raised $36M (Series C) on September 4, 2025.
- CHARM Therapeutics raised $80M (Series B) on September 2, 2025.
- Os Therapies raised $3.8M on September 2, 2025.
Who to call at X4 Pharmaceuticals, and when
A new round usually means X4 Pharmaceuticals is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day X4 Pharmaceuticals raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at X4 Pharmaceuticals, from your own LinkedIn network
Works inside ChatGPT and Claude. Ask who to call at X4 Pharmaceuticals. With Fundz connected, it knows.
AI made execution free. Knowing first is the whole game now.
Fundz sees it the moment X4 Pharmaceuticals raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
Related People
X4 Pharmaceuticals raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
145 of these a day, filtered to the companies you pick, with the decision-maker attached.
5 screens from a live account. No signup.