Investors / United States / Overwater Ventures
Overwater Ventures
Venture capital · Palo Alto, CA, United States · North America
Overwater Ventures is a venture capital firm that partners with pre-seed and seed stage founders, often writing the first institutional check before product or revenue. It invests $400k-$2m for 5-15% ownership and works closely with founders on launch strategy, go-to-market, fundraising and marketing.
Invests inHealthcare & Biotech
In its own wordshealthtechbiotechaiwomen's healthenergy transitionclimate
Your fit with Overwater Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsOverwater Ventures lists 15 checked portfolio companies on its own site and is named in 6 funding rounds, 2 of them as lead. Its most frequent entry is Seed, 33% of the companies with a known first round. Its largest themes are Healthcare & Biotech (58%), Education (11%) and Food & Agriculture (11%). 100% of its companies are based in United States. It invests most often alongside B Capital, Gaingels and Lowercarbon Capital.
Counts come from funding rounds that name Overwater Ventures, 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 Overwater Ventures' whole history. Rounds on record name 6 companies; its own site lists 15. 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 | 33% |
| Series A | 33% |
| Series B | 17% |
| Growth | 17% |
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 | 4 | 1 |
| '26 | 2 | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 39th | 15 companies |
| Recent activity | 69th | 2 rounds in 12 months |
| Early stage | 64th | 33% of entries at pre-seed or seed |
| Evidence | 84th | 13% of companies confirmed by a round |
| Sector focus | 88th | 58% in its largest sector |
| Reach | 19th | 1 country |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| B Capital | 2 |
| Gaingels | 2 |
| Lowercarbon Capital | 2 |
| Lux Capital | 2 |
| SemperVirens Venture Capital | 2 |
| 1843 Capital | 1 |
| 5AM Ventures | 1 |
| 82VS | 1 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers1493%
- No longer answers00%
- Points to another company17%
- 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 | 58% | 15% |
| Education | 11% | 7% |
| Food & Agriculture | 11% | 3% |
| Cybersecurity | 11% | 4% |
| Industrial & Manufacturing | 5% | 7% |
| E-commerce & Marketplaces | 5% | 6% |
Co-investor network
who it backs companies with, and who they back togetherCompare Overwater Ventures 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 Overwater Ventures| Date | Company | Stage |
|---|---|---|
| 29 Sept 2026 | Series B | |
| 16 Jul 2026 | Seed Led | |
| 20 Oct 2025 | Seed | |
| 11 Sept 2025 | Series A | |
| 12 Aug 2025 | Series C+ Led | |
| 1 Apr 2025 | Series A |
Round details for Overwater Ventures
Amounts, full round histories and every co-investor in Overwater Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
15 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Apaluma transforms fragmented regulatory records into one connected ecosystem | Healthcare & BiotechCybersecurity | Jul 2026Seed | Page + round | |
| The company operates a domain marketplace where users can buy, sell, and register domain names. | E-commerce & MarketplacesCybersecurity | Oct 2025Seed | Funding round | |
| Certuma provides traceable and auditable AI for patient care, used by physicians and healthcare institutions from consultation to follow-up. | Healthcare & Biotech | Portfolio page | ||
| Gameto is a biotechnology company that develops innovative solutions for women's reproductive health, including treatments for infertility and menopause. | Healthcare & Biotech | Aug 2025Series C+ | Page + round | |
| Hyfe turns food waste into compounds for food processors and other industries. | Food & AgricultureIndustrial & Manufacturing | Portfolio page | ||
| Fellow provides mail-in semen analysis for clinics and patients | Healthcare & Biotech | Portfolio page | ||
| Overstory provides grid risk management for utilities | EducationEducation | Portfolio page | ||
| Overture Life develops and provides automated fertility treatment technology and products | Healthcare & Biotech | Portfolio page | ||
| Penguin Ai provides an operating system for healthcare administration | Healthcare & Biotech | Sept 2025Series A | Funding round | |
| Rthm provides virtual care and guidance for people with certain medical conditions | Healthcare & Biotech | Portfolio page | ||
| The company provides a platform to help families find trusted local help for elder care | Healthcare & Biotech | Portfolio page | ||
| Tiny Health develops and sells gut health tests for individuals of all ages to understand and optimize their microbiome. | Healthcare & Biotech | Sept 2026Series B | Funding round | |
| Trial Library integrates clinical trials into routine care, matching patients to open trials and navigating them through the trial lifecycle | Healthcare & Biotech | Apr 2025Series A | Funding round | |
| Conceive provides fertility coaching and support, including 24/7 access to nurses and coaches, fertility testing, and personalized guidance, to individuals trying to conceive or pregnant | Healthcare & Biotech | Portfolio page | ||
| Zero Acre Farms produces and sells cooking oils for restaurants and homes. | Food & Agriculture | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- overwater.vc
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 1 Apr 2025
- Companies checked
- 15
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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