Investors / United States / Black Opal Ventures
Black Opal Ventures
Venture capital · New York, NY, United States · North America
Black Opal Ventures is a venture capital firm founded in 2021 by Tara Bishop and Eileen Tanghal. It invests in companies using technology to solve major problems, with stated focus areas including healthtech, tech bio, infrastructure and cybersecurity.
Invests inHealthcare & Biotech
In its own wordshealthtechtech bioinfrastructurecybersecuritytechnology
Your fit with Black Opal Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsBlack Opal Ventures lists 9 checked portfolio companies on its own site and is named in 9 funding rounds. Its most frequent entry is Series A, 38% of the companies with a known first round. Its largest themes are Healthcare & Biotech (80%), Cybersecurity (10%) and Space & Defense (10%). 78% of its companies are based in United States. It invests most often alongside Mercia Ventures, Alloy Fund and Altitude Life Science Ventures.
Counts come from funding rounds that name Black Opal Ventures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Entry stage
share of companies by the stage of its first roundBlack Opal Ventures does not state its stages on its site, so only what it does is shown.
Show as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 25% |
| Series A | 38% |
| Series B | 38% |
| 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 | 3 | 0 |
| '26 | 6 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 19th | 9 companies |
| Recent activity | 89th | 6 rounds in 12 months |
| Early stage | 60th | 25% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 93th | 80% in its largest sector |
| Reach | 42th | 2 countries |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Mercia Ventures | 2 |
| Alloy Fund | 1 |
| Altitude Life Science Ventures | 1 |
| Alumni Ventures | 1 |
| Aurum Venture Partners | 1 |
| Axel Ventures | 1 |
| B Capital | 1 |
| CRV | 1 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers9100%
- 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 | 80% | 15% |
| Cybersecurity | 10% | 4% |
| Space & Defense | 10% | 3% |
Co-investor network
who it backs companies with, and who they back togetherCompare Black Opal 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 Black Opal Ventures| Date | Company | Stage |
|---|---|---|
| 29 Sept 2026 | Series B | |
| 9 Sept 2026 | Seed | |
| 3 Jun 2026 | Seed | |
| 25 Mar 2026 | Series A | |
| 19 Feb 2026 | Round | |
| 8 Jan 2026 | Series B | |
| 6 Oct 2025 | Series A | |
| 1 Oct 2025 | Series B |
Round details for Black Opal Ventures
Amounts, full round histories and every co-investor in Black Opal Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
9 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Ansa Biotechnologies synthesizes custom DNA sequences for its customers. | Healthcare & Biotech | Oct 2025Series B | Funding round | |
| Kalogon builds advanced seating technologies for people who must sit, enhancing comfort, protecting health, and improving outcomes. | Healthcare & Biotech | Jun 2026Seed | Funding round | |
| Isaac Health provides virtual care for cognitive health and dementia | Healthcare & Biotech | Aug 2025Series A | Funding round | |
| Oath provides patients with access to high quality, lower cost surgical care in outpatient settings | Healthcare & Biotech | Oct 2025Series A | Funding round | |
| Optellum develops AI-powered solutions for early lung cancer diagnosis | Healthcare & Biotech | Jan 2026Series B | Funding round | |
| SCI Semiconductor develops and provides memory-safe technologies and products for secure computing | CybersecuritySpace & Defense | Sept 2026Seed | Funding round | |
| Ten63 Therapeutics designs therapeutics for diseases using generative chemistry and quantum-accurate simulation. | Healthcare & Biotech | Feb 2026Round | Funding round | |
| Thesis Care combines AI with expert clinicians to perform clinical support tasks at scale for healthcare providers. | Healthcare & Biotech | Mar 2026Series A | Funding round | |
| 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 |
About this data
site last read 12 Nov 2026- Site
- blackopalventures.com
- Last read
- 12 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 14 Aug 2025
- Companies checked
- 9
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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