Investors / United States / Seaside Ventures
Seaside Ventures
Venture capital · San Francisco, CA, United States · North America
Seaside Ventures is an investment firm that backs science-driven consumer health and wellness companies. It works with founders on commercialization, go-to-market strategy and growth beyond funding.
Invests inHealthcare & Biotech
In its own wordshealthcareconsumer healthpreventative carelongevitymental healthwellness
Your fit with Seaside Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsSeaside Ventures lists 23 checked portfolio companies on its own site and is named in 2 funding rounds. Its most frequent entry is Seed, 100% of the companies with a known first round. Its largest themes are Healthcare & Biotech (70%), Food & Agriculture (11%) and E-commerce & Marketplaces (7%). 89% of its companies are based in United States. It invests most often alongside Spacestation Investments, The Family Fund and Alloy Fund.
Counts come from funding rounds that name Seaside 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 Seaside Ventures' whole history. Rounds on record name 2 companies; its own site lists 23. 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 | 100% |
| Series A | 0% |
| Series B | 0% |
| Growth | 0% |
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 | 2 | 0 |
| '26 | 0 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 57th | 23 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 100th | 100% of entries at pre-seed or seed |
| Evidence | 62th | 4% of companies confirmed by a round |
| Sector focus | 91th | 70% in its largest sector |
| Reach | 42th | 2 countries |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Spacestation Investments | 3 |
| The Family Fund | 3 |
| Alloy Fund | 2 |
| Babel Ventures | 2 |
| Humba Ventures | 2 |
| Hyperlink Ventures | 2 |
| IndieBio | 2 |
| SOSV | 2 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers23100%
- No longer answers00%
- Points to another company00%
- 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 | 70% | 15% |
| Food & Agriculture | 11% | 3% |
| E-commerce & Marketplaces | 7% | 6% |
| Consumer | 7% | 3% |
| Cybersecurity | 4% | 4% |
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with Spacestation Investments
Compare Seaside 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 Seaside Ventures| Date | Company | Stage |
|---|---|---|
| 20 Oct 2025 | Seed | |
| 2 Jul 2025 | Seed |
Round details for Seaside Ventures
Amounts, full round histories and every co-investor in Seaside Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
23 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Adaptyx turns lab-grade biochemical assays into a continuous data stream, delivering molecular insights for intelligent, always-on healthcare | Healthcare & Biotech | Portfolio page | ||
| The company operates a domain marketplace where users can buy, sell, and register domain names. | E-commerce & MarketplacesCybersecurity | Oct 2025Seed | Funding round | |
| Aura Bora makes sparkling water from herbs, fruits, and flowers | Food & Agriculture | Portfolio page | ||
| BiomeSense develops and uses technology for generating and analyzing microbiome data to unlock personalized medicine potential | Healthcare & Biotech | Portfolio page | ||
| Calorify measures energy expenditure using doubly labeled water. | Healthcare & Biotech | Portfolio page | ||
| Circulate Health provides therapeutic plasma exchange services to patients through partner clinics. | Healthcare & Biotech | Jul 2025Seed | Page + round | |
| Cove develops biobased fiber bottles that recycle as paper and perform at global scale. | Food & AgricultureConsumer | Portfolio page | ||
| Flaus sells electric flossers and related products. | Healthcare & Biotech | Portfolio page | ||
| The company develops therapeutics to treat chronic cough and other inflammatory conditions of the upper airways. | Healthcare & Biotech | Portfolio page | ||
| Ketone-IQ produces and sells ketone-based brain fuel products for mental focus and energy. | Healthcare & Biotech | Portfolio page | ||
| Leilo is a kava-powered sparkling drink crafted to help you relax and unwind | Food & Agriculture | Portfolio page | ||
| Lifeforce provides a longevity medicine program that combines diagnostics, doctor consultations, and therapies to help individuals manage their health and longevity | Healthcare & Biotech | Portfolio page | ||
| Pangea Bio develops novel neuroplastic therapeutics to treat central nervous system disorders | Healthcare & Biotech | Portfolio page | ||
| Paterna Biosciences improves human reproductive health by developing in vitro spermatogenesis technology to treat male infertility | Healthcare & Biotech | Portfolio page | ||
| The company is developing a new male contraceptive method called Plan A | Healthcare & Biotech | Portfolio page | ||
| Rorra creates water filtration systems, including pitchers and showerheads, to remove contaminants from tap water. | Healthcare & BiotechConsumer | Portfolio page | ||
| Samphire Neuroscience develops and provides a medical grade wearable therapeutic headband to manage mood and pain symptoms linked to hormonal change | Healthcare & Biotech | Portfolio page | ||
| Somnee develops and sells a smart sleep headband that uses neurostimulation to help people fall asleep faster and improve sleep quality | Healthcare & Biotech | Portfolio page | ||
| Strive uses machine learning to optimize drug dosages across a diverse range of care settings | Healthcare & Biotech | Portfolio page | ||
| Superpower offers a health membership that includes lab tests and personalized health protocols based on the results | Healthcare & Biotech | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- seasideventures.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 2 Jul 2025
- Companies checked
- 23
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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