Marten Steen
Partner @ HealthCap
Stockholm, Sweden
Marten Steen is a Series A investor at HealthCap in Stockholm focused on Health Care and Biotechnology. Marten Steen is based out of Stockholm, Stockholms Lan and is the Managing Partner of HealthCap and Member of the Management Board of Kivu Bioscience. Marten previously worked at Aro Biotherapeutics as a Board Member. Marten Steen attended Lund University.
- Total investments:
- 13
- Last investment:
- Lead investor:
- 23%
Last updated:
For AI agents: llms.txt
Industries Marten Steen invests in
Stages Marten Steen invests in
Countries Marten Steen invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Health Care 7 (54%)
- Biotechnology 7 (54%)
- Medical 2 (15%)
- Medical Device 2 (15%)
- Pharmaceutical 2 (15%)
Stage
- Series A 5 (38%)
- Series B 4 (31%)
- Series C 1 (8%)
- Funding Round 1 (8%)
- Venture - Series Unknown 1 (8%)
Country
- Sweden 3 (23%)
- United States 2 (15%)
- Belgium 1 (8%)
- Denmark 1 (8%)
- Ireland 1 (8%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| AMRA Medical is a digital health company transforming medical research and clinical care using rapid whole-body MRI technology. | Venture - Series Unknown / Sep 14, 2026 | ||
| ADCendo ApS is a biotech company dedicated to developing new types of anti-cancer drugs. We focus on antibody-drug conjugates (ADCs) directed at novel targets, that have been found to be overexpressed by several cancer forms, that are all characterized by a significant unmet need for novel treatment. | $75M / Series C / Apr 14, 2026 | ||
| ADCendo ApS is a biotech company dedicated to developing new types of anti-cancer drugs. We focus on antibody-drug conjugates (ADCs) directed at novel targets, that have been found to be overexpressed by several cancer forms, that are all characterized by a significant unmet need for novel treatment. | $135M / Series B / Nov 25, 2024 | ||
| ADCendo ApS is a biotech company dedicated to developing new types of anti-cancer drugs. We focus on antibody-drug conjugates (ADCs) directed at novel targets, that have been found to be overexpressed by several cancer forms, that are all characterized by a significant unmet need for novel treatment. | $34M / Series A / Apr 04, 2023 | ||
| ADCendo ApS is a biotech company dedicated to developing new types of anti-cancer drugs. We focus on antibody-drug conjugates (ADCs) directed at novel targets, that have been found to be overexpressed by several cancer forms, that are all characterized by a significant unmet need for novel treatment. | $61.8M / Series A / Apr 29, 2021 | ||
| Priothera is a clinical-stage company developing orally applied sphingosine 1 phosphate (S1P) receptor modulators for haematological malignancies. We are dedicated to improving the lives of patients suffering from hematological malignancies by delivering an innovative immune modulator to enhance the curative potential of allogeneic HematopoieticStem Cell Transplantation (HSCT) in these patients. | $35.4M / Series A / Oct 12, 2020 | ||
| Developing radio-immunotherapeutic drugs for cancer patients. | $41.9M / Series A / Nov 15, 2018 | ||
| Wilson Therapeutics is a biopharmaceutical company, based in Stockholm, Sweden, that develops novel therapies for patients with rare diseases such as Wilson Disease. Wilson Therapeutics’ lead product, Decuprate®, is initially being developed as a new treatment for Wilson Disease and is currently being evaluated in a Phase II clinical study inWilson Disease patients. | $40M / Series B / Apr 16, 2014 | ||
| Ultragenyx Pharmaceutical develops therapeutics for rare diseases, sometimes referred to as Orphan products. Ultragenyx is a efficient and effective development strategies are essential for success in the rare disease space, in which information may be incomplete or ambiguous, and few development precedents exist. The management team'sexperience in selecting and developing products with clear mechanisms of action for untreated rare diseases will help Ultragenyx create life-changing therapeutics by leveraging existing yet undeveloped science for these little-known indications. | $75M / Series B / Dec 31, 2012 | ||
FerroKin Biosciences
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Ferrokin Biosciences Inc. develops and markets medical devices. The company offers iron chelator for the treatment of iron-overload in patients with transfusion-dependent hereditary and acquired refractory anemias. The company is based in San Carlos, California. | $12M / Series B / Jun 18, 2010 | |
| See all 13 investments → | |||
Co-Investors
About HealthCap
HealthCap is a family of multi stage venture capital funds, investing globally in life sciences, with the Odlander Fredrikson Group as their exclusive investments advisor. With committed capital exceeding € 800 million, HealthCap is one of the largest specialized provider of venture capital within life sciences Europe.
HealthCap Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Bjorn Odlander
Founder and Partner
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Marten Steen
Partner
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Per Samuelsson
Partner
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Anki Forsberg
Partner
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Carl Dalsgaard
Venture Partner
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FAQ
What does Marten Steen invest in?
Marten Steen invests primarily in Health Care, Biotechnology and Medical startups, most often at Series A and Series B stage. Most of the 13 investments tracked by Shizune back companies in Sweden. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Marten Steen?
Public channels for Marten Steen include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Marten Steen last invest?
The most recent investment recorded for Marten Steen closed in Sep 2026. Shizune tracks 13 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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