ARTBIO
ARTBIO develops alpha radioligand therapies for cancer treatment using Pb-212 isotope technology. The 72-person biotech has raised $245M in funding, including a Series B round in July 2025.
The growth story
ARTBIO grew from 4 to 72 employees between 2021 and 2026, raising $245M along the way, most recently a Series B in July 2025.
About
ARTBIO creates targeted cancer therapies that use alpha-emitting isotopes to deliver radiation directly to tumors. Their approach focuses on Pb-212, a radioactive isotope with potential advantages in precision and safety. The therapies are designed for patients with advanced cancers who need more effective treatment options.
The company has attracted significant investment from top biotech VCs, raising $245M since its 2021 founding. With 72 employees, ARTBIO has built a research-focused team that includes veterans from major pharmaceutical companies and academic institutions specializing in radiopharmaceuticals.
Founders and leadership
Research is ARTBIO's largest function, with 16 employees dedicated to drug discovery and development. The company operates from its Cambridge, Massachusetts headquarters, with leadership likely drawing on its strong pharmaceutical industry connections.
The ARTBIO org chart
Jonathan E. Freeman (Chief Executive Officer) leads 39 mapped leaders with 5 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Research 21 (-16% YoY), Business Development 12 (0% YoY), Operations 7 (+75% YoY), Engineering 3 (0% YoY), Healthcare Services 3 (0% YoY), Legal 3 (0% YoY).
Talent flow
ARTBIO's team comes primarily from Novartis, where 13 employees previously worked, and Advanced Accelerator Applications, a radiopharmaceutical specialist. Employees have also joined from Moderna, Bayer, and academic institutions like the University of Oslo. Alumni have gone on to roles at Actithera, Ratio Therapeutics, and Cytospire Therapeutics.
Most common previous employers of ARTBIO staff: Novartis (13), Advanced Accelerator Applications (5), University of Oslo (4), Moderna (3), Novartis Oncology (3), Bayer (3). Former ARTBIO employees most often moved to Actithera (2), Ratio Therapeutics (2), Cytospire Therapeutics (2), Clairon AS (1), KDEV HR Consulting (1), US Biotech Day (1).
Alumni worth knowing
Web traffic
Traffic mix: 48% direct, 28% search, 16% social, 1% paid.
What this company is made of
Most common skills at ARTBIO: Research Skills (21), Pharmaceutics (18), Biotechnology (17), Life Sciences (17), Project Management (16), Oncology (16), Molecular Biology (15), Cell Culture (15).
Where the team actually sits
ARTBIO people are concentrated in Oslo, Norway (13), Massachusetts, United States (9), Greater Boston (6), Basel, Switzerland (4). 4 offices on record.
Search footprint
ARTBIO attracts about 114 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 10 ranking keywords and lost 14 in the last period.
Frequently asked
ARTBIO has 72 employees as of September 2026.
ARTBIO has raised $245M in total, most recently a Series B round in July 2025.
Jonathan E. Freeman (Chief Executive Officer) sits at the top of ARTBIO's reporting structure, with 5 direct reports.
The most common previous employers of current ARTBIO staff are Novartis (13 people), Advanced Accelerator Applications (5 people), University of Oslo (4 people).
Former ARTBIO employees most often move to Actithera (2), Ratio Therapeutics (2), Cytospire Therapeutics (2).
ARTBIO attracts about 114 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among ARTBIO staff are Research Skills, Pharmaceutics, Biotechnology, Life Sciences, Project Management.
ARTBIO staff are concentrated in Oslo, Norway (13), Massachusetts, United States (9), Greater Boston (6).
ARTBIO has about 21 people in Research, down 16% over the past year, as of September 2026.
ARTBIO has about 12 people in Business Development, up 0% over the past year, as of September 2026.
Computed from 60 current and 22 former ARTBIO profiles, as of September 2026. Source: Crustdata.
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