Investors / United States / Anti Fund
Anti Fund
Venture capital · Miami, FL, United States · North America
Anti Fund is a venture and growth investment firm that backs technical founders at formation and category leaders at growth. It invests across pre-seed and seed through growth and pre-IPO stages, with check sizes from $250K to $30M+.
Invests inAI & Machine Learning
In its own wordsairoboticsdefenseenergysemiconductorsmanufacturing
Your fit with Anti Fund
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsAnti Fund lists 57 checked portfolio companies on its own site and is named in 11 funding rounds, 1 of them as lead. Its most frequent entry is Seed, 50% of the companies with a known first round. Its largest themes are AI & Machine Learning (37%), Fintech (9%) and Space & Defense (6%). 85% of its companies are based in United States. It invests most often alongside Founders Fund, Sequoia Capital and Lux Capital.
Counts come from funding rounds that name Anti Fund, 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 Anti Fund's whole history. Rounds on record name 11 companies; its own site lists 57. 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 | 50% |
| Series A | 40% |
| Series B | 0% |
| Growth | 10% |
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 | 1 | 0 |
| '24 | 0 | 0 |
| '25 | 1 | 0 |
| '26 | 9 | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 87th | 57 companies |
| Recent activity | 94th | 9 rounds in 12 months |
| Early stage | 73th | 50% of entries at pre-seed or seed |
| Evidence | 84th | 14% of companies confirmed by a round |
| Sector focus | 68th | 37% in its largest sector |
| Reach | 84th | 6 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 37% | 18% |
| Fintech | 9% | 12% |
| Space & Defense | 6% | 3% |
| Healthcare & Biotech | 6% | 15% |
| Enterprise Software | 5% | 8% |
| Industrial & Manufacturing | 5% | 7% |
| Consumer | 5% | 3% |
| Food & Agriculture | 5% | 3% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Founders Fund | 13 |
| Sequoia Capital | 13 |
| Lux Capital | 11 |
| Andreessen Horowitz | 10 |
| General Catalyst | 9 |
| 8VC | 8 |
| Soma Capital | 8 |
| Kleiner Perkins | 7 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers5596%
- No longer answers00%
- Points to another company24%
- 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.
Co-investor network
who it backs companies with, and who they back togetherCompare Anti Fund head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Funds
from public registers and its siteRecent portfolio activity
when companies last raised with Anti Fund| Date | Company | Stage |
|---|---|---|
| 28 Oct 2026 | Seed | |
| 6 Oct 2026 | Series A | |
| 2 Sept 2026 | Series A Led | |
| 20 Jul 2026 | Series A | |
| 9 Jun 2026 | Seed | |
| 4 Jun 2026 | Series C+ | |
| 28 Apr 2026 | Series A | |
| 27 Feb 2026 | Seed |
Round details for Anti Fund
Amounts, full round histories and every co-investor in Anti Fund's rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
57 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Aeon develops advanced tactical weapon systems | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
CybersecurityAI & Machine Learning | Oct 2023Seed | Page + round | ||
| The company manufactures premium grade materials of titanium and zirconium for aerospace, defense, energy, and semiconductor applications | AI & Machine LearningAI & Machine Learning | Oct 2026Seed | Funding round | |
| Anduril Industries specializes in advanced autonomous systems for defense and commercial mission sets. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| The company provides an AI-powered marketing platform for finding and managing creators and tracking user-generated content campaigns. | AI & Machine LearningIndustrial & Manufacturing | Sept 2026Series A | Page + round | |
| The Boring Company designs and manufactures tunnel boring machines and builds transportation systems | Industrial & ManufacturingMobility & Logistics | Portfolio page | ||
| Catalyst provides a platform for users to research markets, track portfolios, and automate trading strategies based on various data and signals. | FintechAI & Machine Learning | Portfolio page | ||
| Portfolio page | ||||
| The company provides observability platforms for Kubernetes and other systems, helping to monitor and troubleshoot their performance. | CybersecurityAI & Machine Learning | Portfolio page | ||
| Cognition operates an autonomous software engineer called Devin that helps human engineers with repetitive work and focuses on problem solving and designing systems. | AI & Machine LearningEnterprise Software | Portfolio page | ||
| The company produces and sells prebiotic soda. | Food & Agriculture | Portfolio page | ||
| Efference develops products for off-device inference and training for robotics | Robotics & HardwareAI & Machine Learning | Portfolio page | ||
| The company produces and sells a smart bed with cooling and heating technology. | Healthcare & BiotechConsumer | Portfolio page | ||
| Elevenlabs provides an AI voice generator and voice agents platform for various applications such as content creation and customer experience. | AI & Machine LearningMedia & Entertainment | Portfolio page | ||
| Enigma builds robotic foundation models and interfaces to make robots intelligent and intuitive to use | Robotics & HardwareAI & Machine Learning | Portfolio page | ||
| Portfolio page | ||||
| Etched designs and manufactures AI hardware, specifically frontier inference clusters, which include co-designed chips, racks, software, and manufacturing methods. | AI & Machine LearningSpace & Defense | Portfolio page | ||
| General Matter develops nuclear energy technology | EducationIndustrial & Manufacturing | Portfolio page | ||
| General Galactic is building spacecraft for logistics around the Earth and across the solar system. | Space & DefenseAI & Machine Learning | Portfolio page | ||
| The company produces and sells hard seltzer, lemonade, and tea drinks. | Food & AgricultureConsumer | Portfolio page |
About this data
site last read 11 Nov 2026- Site
- antifund.com
- Last read
- 11 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 13 Oct 2023
- Companies checked
- 57
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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