# Reid Hoffman

> Reid Hoffman is a Series A investor at Manas AI backing Software and Social Media. See 164 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Manas AI](https://shizune.co/investors/profile/manas-ai-2aa7)
- Location: San Francisco, United States
- Total investments: 164
- Last investment: Jun 2026
- Lead investor: 19%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/reidhoffman
- X (Twitter): http://twitter.com/reidhoffman
- Website: http://reidhoffman.org/
- Facebook: https://www.facebook.com/pages/Reid-Hoffman/119543221425657?fref=ts

Reid Hoffman is a Series A investor at Manas AI in San Francisco focused on Software and Social Media. Reid Hoffman is the Co-Founder of Manas AI and a member of the Sanmai Board of Directors. Reid previously worked at Coda as a Board Member. Reid Hoffman attended the University of Oxford, where he earned his M.St. in Philosophy.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $800k–$26M |
| Series A | $2.4M–$31M |
| Series B | $8.3M–$80M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 22 | 13% |
| Social Media | 15 | 9% |
| Internet | 14 | 9% |
| Artificial Intelligence | 14 | 9% |
| Financial Services | 13 | 8% |

181 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 52 | 32% |
| Series B | 31 | 19% |
| Seed | 29 | 18% |
| Angel | 12 | 7% |
| Funding Round | 10 | 6% |

12 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 101 | 62% |
| United Kingdom | 5 | 3% |
| Canada | 2 | 1% |
| Germany | 2 | 1% |
| Philippines | 2 | 1% |

13 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Respond.io | Respond.io is a business messaging platform that connects customers from any channel to any team. | $62.5M | Series B | Jun 15, 2026 |  |
| Niteshift | Niteshift is a software development company that builds the full-stack cloud platform for coding agents. enabling background coding agents that can simulate and close loops on complex tasks end-to-end. | $7M | Seed | Jun 10, 2026 |  |
| Entrepreneurs First | Entrepreneurs First provides programs that identify individuals interested in building technology companies and support them through the early stages of company formation. The organization evaluates applicants as individuals and brings selected participants into cohorts where they explore ideas, connect with potential cofounders, and form startupteams. Participants receive guidance on idea development, product validation, and company creation while preparing to seek venture funding. Entrepreneurs First also provides financial backing and structured programs that include workshops, mentorship, and networking with investors. Through these activities, the organization facilitates the transition from individual participants to newly formed startup companies. | $200M | Series D | Mar 11, 2026 |  |
| Entrepreneurs First | Entrepreneurs First provides programs that identify individuals interested in building technology companies and support them through the early stages of company formation. The organization evaluates applicants as individuals and brings selected participants into cohorts where they explore ideas, connect with potential cofounders, and form startupteams. Participants receive guidance on idea development, product validation, and company creation while preparing to seek venture funding. Entrepreneurs First also provides financial backing and structured programs that include workshops, mentorship, and networking with investors. Through these activities, the organization facilitates the transition from individual participants to newly formed startup companies. | $200M | Series D | Mar 11, 2026 |  |
| Lemon Cash | Lemon Cash is digital wallet with FIAT and crypto capabilities. End to end digital ecosystem for Latin America. | $20M | Series B | Oct 10, 2025 |  |
| Brain Co. | Brain Co. is a San Francisco-based AI company, that partners with large enterprises and governments to build secure, impactful AI platforms and applications for real-world problems. It delivers faster, cost-saving, and reliable AI solutions, including automation and optimization across sectors like healthcare, energy, and government. R | $30M | Series A | Sep 10, 2025 |  |
| Sanmai | Sanmai is a neurotechnology company developing non-invasive ultrasound neurotherapeutics for mental health and neurological disorders |  |  | Jun 23, 2025 |  |
| Sanmai | Sanmai is a neurotechnology company developing non-invasive ultrasound neurotherapeutics for mental health and neurological disorders | $12M | Series A | Jun 23, 2025 |  |
| Every Media | Every Media is a collection of business-focused newsletters that publishes analysis and comments from the perspective of practitioners. | $2M | Seed | May 21, 2025 |  |
| Arcade | Arcade is a B2C platform that transforms the jewelry market through its prompt-to-product solution, allowing users to create unique designs using AI. The marketplace supports various user roles, enabling customers, designers, and influencers to engage and collaborate. | $25M | Series A | Mar 24, 2025 |  |

10 of 164 investments shown.

## Co-investors
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund, 16 deals together
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund, 14 deals together
- [Kleiner Perkins](https://shizune.co/investors/profile/kleiner-perkins-caufield-byers) — VC Fund, 14 deals together
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 14 deals together
- [First Round Capital](https://shizune.co/investors/profile/first-round-capital) — VC Fund, 8 deals together
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 8 deals together

## About Manas AI

VC Fund · San Francisco, United States

Manas AI uses proprietary AI, generative computational chemistry, and best-in-class biology to reduce the time and expense of traditional medicinal development while also revolutionizing cancer and rare illness treatments.

2 contacts available at Manas AI.

| Name | Title | Profile |
| --- | --- | --- |
| Reid Hoffman | Co-Founder | https://shizune.co/investors/profile/reid-hoffman |
| Siddhartha Mukherjee | Co-Founder & CEO | https://shizune.co/investors/profile/siddhartha-mukherjee-035c |

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## FAQ

### What does Reid Hoffman invest in?

Reid Hoffman invests primarily in Software, Social Media and Internet startups, most often at Series A and Series B stage. Most of the 164 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Reid Hoffman's check size?

Reid Hoffman typically joins rounds of $800k–$26M at Seed, $2.4M–$31M at Series A and $8.3M–$80M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Reid Hoffman participates in.

### When did Reid Hoffman last invest?

The most recent investment recorded for Reid Hoffman closed in Jun 2026. Shizune tracks 164 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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