Investors / United States / K2 HealthVentures
K2 HealthVentures
Investor · Boston, MA, United States · North America
K2 HealthVentures is an alternative investment firm that provides flexible, long-term financing to private and public companies in the life sciences and healthcare industries. It focuses primarily on customized debt financings but can also invest in equity and converts, with target investments of $10 million to $100 million per company.
Invests inHealthcare & Biotech
In its own wordshealthcarelife sciencesdebt financinggrowth stageventure debt
Your fit with K2 HealthVentures
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See how your round matches what it backs, point by point.
Or find every investor that fitsK2 HealthVentures lists 31 checked portfolio companies on its own site and is named in 6 funding rounds, 2 of them as lead. Its most frequent entry is Series A, 33% of the companies with a known first round. Its largest themes are Healthcare & Biotech (94%), Fintech (3%) and AI & Machine Learning (3%). 92% of its companies are based in United States. It invests most often alongside Oak HC/FT, Town Hall Ventures and Casdin Capital.
Counts come from funding rounds that name K2 HealthVentures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Round figures show recent activity, not K2 HealthVentures' whole history. Rounds on record name 6 companies; its own site lists 31. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 0% |
| Series A | 33% |
| Series B | 33% |
| Growth | 33% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 1 | 1 |
| '26 | 5 | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 69th | 31 companies |
| Recent activity | 86th | 5 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 87th | 16% of companies confirmed by a round |
| Sector focus | 96th | 94% in its largest sector |
| Reach | 42th | 2 countries |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Oak HC/FT | 5 |
| Town Hall Ventures | 5 |
| Casdin Capital | 3 |
| RA Capital | 3 |
| Rubicon Founders | 3 |
| Ascension Ventures | 2 |
| General Atlantic | 2 |
| General Catalyst | 2 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers2994%
- No longer answers00%
- Points to another company26%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Healthcare & Biotech | 94% | 15% |
| Fintech | 3% | 12% |
| AI & Machine Learning | 3% | 18% |
Co-investor network
who it backs companies with, and who they back togetherCompare K2 HealthVentures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with K2 HealthVentures| Date | Company | Stage |
|---|---|---|
| 19 Aug 2026 | Series C+ | |
| 26 May 2026 | Debt Led | |
| 26 Feb 2026 | Round | |
| 21 Jan 2026 | Series A | |
| 8 Jan 2026 | Series B | |
| 8 Jul 2025 | Debt Led |
Round details for K2 HealthVentures
Amounts, full round histories and every co-investor in K2 HealthVentures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
31 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
Healthcare & Biotech | Portfolio page | |||
| Theragen develops the ActaStim bone growth stimulator system for spine fusion therapy | Healthcare & Biotech | Portfolio page | ||
| Acumen Pharmaceuticals is developing targeted Alzheimer's disease treatments | Healthcare & Biotech | Portfolio page | ||
| Alignment Health delivers 24/7 on-demand access to healthcare services in-person, in-home, or on a mobile device | Healthcare & Biotech | Portfolio page | ||
| Apella provides ambient AI for operating rooms to optimize capacity, streamline coordination, and improve patient care. | Healthcare & BiotechAI & Machine Learning | Jan 2026Series B | Page + round | |
| Cartesian Therapeutics is a clinical-stage company pioneering mRNA cell therapies for the treatment of autoimmune diseases. | Healthcare & Biotech | May 2026Debt | Page + round | |
| Concert Health integrates behavioral health into primary care and partners with medical groups, health systems, and health plans to provide high-quality behavioral health care. | Healthcare & Biotech | Portfolio page | ||
| Definium Therapeutics develops accessible treatments for brain health disorders using psychedelic medicine | Healthcare & Biotech | Portfolio page | ||
| Evergreen Nephrology makes kidney care easier by working closely with patients and providers to help them achieve better outcomes | Healthcare & Biotech | Portfolio page | ||
| Expressable provides online speech therapy services for kids and adults | Healthcare & Biotech | Portfolio page | ||
| Gravie provides health benefits for small and midsize businesses | Healthcare & BiotechFintech | Portfolio page | ||
| HarmonyCares offers expert, comprehensive healthcare services in the home for people with complex medical issues. | Healthcare & Biotech | Portfolio page | ||
Healthcare & Biotech | Portfolio page | |||
| The company provides primary care services to seniors in rural North Carolina. | Healthcare & Biotech | Aug 2026Series C+ | Funding round | |
| Honest Health helps health systems build sustainable, shared financial risk models and delivers complementary value-driven solutions for primary care transformation | Healthcare & Biotech | Feb 2026Round | Page + round | |
| Infusion for Health provides infusion therapy services to patients. | Healthcare & Biotech | Portfolio page | ||
| The company provides home health test kits and telehealth services, including testing, consultations, and medication delivery directly to individuals and organizations. | Healthcare & Biotech | Portfolio page | ||
| Longevity Health Plan delivers quality care and a range of benefits customized to meet the specific needs of its members and their families. | Healthcare & Biotech | Portfolio page | ||
| Mighty Therapeutics develops novel therapies for mitochondrial diseases and disorders associated with mitochondrial dysfunction. | Healthcare & Biotech | Portfolio page | ||
| Neumora develops medicines for brain diseases | Healthcare & Biotech | Portfolio page |
About this data
site last read 11 Nov 2026- Site
- k2hv.com
- Last read
- 11 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 8 Jul 2025
- Companies checked
- 31
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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