Investors / Optimist Ventures
Optimist Ventures
Venture capital
Optimist Ventures is a venture capital firm that invests in technology companies it describes as additive, symbiotic and workforce-enhancing. It focuses on sectors it expects to be most affected by AI-driven labor change and invests across early and late stages for the long term.
Invests inSpace & DefenseAI & Machine LearningFintech
In its own wordsaifuture of workhealthcareinsuranceindustrialsconstruction
Your fit with Optimist Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsOptimist Ventures lists 6 checked portfolio companies on its own site and is named in 1 funding round. Its most frequent entry is Series A, 100% of the companies with a known first round. Its largest themes are Space & Defense (20%), AI & Machine Learning (20%) and Fintech (20%). 67% of its companies are based in United States. It invests most often alongside ARK Venture Fund, Coatue and Ventioneers.
Counts come from funding rounds that name Optimist 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 roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 0% |
| Series A | 100% |
| 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 | 0 | 0 |
| '26 | 1 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 8th | 6 companies |
| Recent activity | 59th | 1 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 89th | 17% of companies confirmed by a round |
| Sector focus | 17th | 20% in its largest sector |
| Reach | 58th | 3 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Space & Defense | 20% | 3% |
| AI & Machine Learning | 20% | 18% |
| Fintech | 20% | 12% |
| Cybersecurity | 10% | 4% |
| Media & Entertainment | 10% | 4% |
| E-commerce & Marketplaces | 10% | 6% |
| Industrial & Manufacturing | 10% | 7% |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers6100%
- 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.
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| ARK Venture Fund | 3 |
| Coatue | 3 |
| Ventioneers | 3 |
| 1435 Capital | 2 |
| AI Grant | 2 |
| Aglaé Ventures | 2 |
| Andreessen Horowitz | 2 |
| Arctic Ventures | 2 |
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with ARK Venture Fund
Compare Optimist 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 Optimist Ventures| Date | Company | Stage |
|---|---|---|
| 10 Mar 2026 | Series A |
Round details for Optimist Ventures
Amounts, full round histories and every co-investor in Optimist Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
6 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| ByteDance develops products and services that empower people and organizations to create, connect and discover, and enable businesses to enhance productivity and efficiency. | AI & Machine LearningMedia & Entertainment | Portfolio page | ||
| Harper provides business insurance services, including various types of liability insurance and other coverage options, to different industries | FintechIndustrial & Manufacturing | Portfolio page | ||
| Portfolio page | ||||
| Stripe provides financial infrastructure and payment tools for businesses to accept payments, handle business banking, and implement custom revenue models. | FintechE-commerce & Marketplaces | Portfolio page | ||
| Tenstorrent produces and sells computer hardware and software for artificial intelligence workloads | AI & Machine LearningCybersecurity | Portfolio page | ||
| Rebar provides an AI-powered takeoff and estimating platform for commercial mechanical contractors, combining bid management and business intelligence. | Space & DefenseSpace & Defense | Mar 2026Series A | Page + round |
About this data
site last read 5 Nov 2026- Site
- optimist.vc
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 10 Mar 2026
- Companies checked
- 6
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.
Get Optimist Ventures' profile as data
Pull Optimist Ventures' portfolio, co-investors and changes through one API key or MCP, open every portfolio row, compare it with other firms, and get an email when it adds a company or files a fund.
Work email, sign-in link by email. Already have an account? Log in- Ask AI5 plain-English investor searches a day
- Full listsEvery portfolio row and two-firm overlap
- API and MCP100 REST or MCP calls a month, one key
- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/optimist.vc
# also
GET /v1/firms/optimist.vc/portfolio
GET /v1/firms/optimist.vc/coinvestors
GET /v1/firms/optimist.vc/news