Ramtin Naimi
Founder and General Partner @ Abstract
San Francisco, United States
Ramtin Naimi is a seed investor at Abstract in San Francisco focused on Software and Internet. Ramtin Naimi is the Founder and General Partner at Abstract Ventures.
- Total investments:
- 101
- Last investment:
- Lead investor:
- 18%
Last updated:
For AI agents: llms.txt
Industries Ramtin Naimi invests in
Stages Ramtin Naimi invests in
Countries Ramtin Naimi invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 28 (28%)
- Internet 14 (14%)
- Financial Services 14 (14%)
- Artificial Intelligence 14 (14%)
- FinTech 13 (13%)
Stage
- Seed 50 (50%)
- Series A 23 (23%)
- Series B 11 (11%)
- Series C 4 (4%)
- Pre-Seed 3 (3%)
Country
- United States 68 (67%)
- France 1 (1%)
- Mexico 1 (1%)
- United Kingdom 1 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| OuterSignal provides AI-driven data enrichment and customer intelligence tailored to ecommerce and digital brands. The platform attaches 100+ demographic, professional, and behavioral signals to each customer record, drawing from publicly available sources such as social profiles, employment data, and online presence. OuterSignal builds detailed personas from this enriched data to help brands segment audiences, identify high-value buyers, and tailor messaging. The product integrates with tools like Slack and Klaviyo so sales, marketing, and lifecycle teams receive alerts and profiles directly in their existing workflows. Use cases include enhancing email lists, personalizing campaigns, prioritizing outreach, and refining lookalike audiences based on real customer attributes. | $22M / Series A / Sep 30, 2026 | ||
| Payments for AI agents. | $30M / Series A / Jul 20, 2026 | ||
| Socket is a new security company that can protect your most critical apps from supply chain attacks. We are taking an entirely new approach to one of the hardest problems in security in a stagnant part of the industry that has historically been obsessed with just reporting on known vulnerabilities.Socket is built by a team of open sourcemaintainers with over 1 billion monthly downloads. Everyone on the Socket team is an open source maintainer. We are all driven to defend the open source ecosystem from supply chain attacks and make it safe for everyone.Socket is unique because, unlike other tools, it detects and blocks supply chain attacks before they strike, mitigating the worst consequences. | $60M / Series C / May 20, 2026 | ||
| Dust is a platform for creating sophisticated processes based on large language models and semantic search. | $40M / Series B / May 18, 2026 | ||
| Revel is a complete hardware control platform that combines a high-performance runtime environment, a specific programming language designed for hardware control, and an easy-to-use command/control interface. | $150M / Series B / Feb 26, 2026 | ||
| Payments for AI agents. | $9.8M / Seed / Oct 23, 2025 | ||
| Glue allows users to communicate with colleagues without moving workspaces, channel fatigue, loud alerts, or complicated setup. Glue is headquartered in San Francisco, California and was founded in 2021. | $20M / Series A / Oct 08, 2025 | ||
| Glue is an AI technology company that provides an AI-native work chat platform. | $20M / Series A / Oct 08, 2025 | ||
| corner is a social networking platform | $3.8M / Seed / Sep 18, 2025 | ||
| Polymarket enables participants to buy and sell shares that represent the probability of specific outcomes, with prices ranging between zero and one dollar to reflect market expectations. Trades occur in a peer-to-peer order book where users transact directly with one another rather than with a central counterparty. Polymarket uses USDC.e ascollateral and represents positions as conditional tokens that are settled through smart contracts on the Polygon blockchain. Event outcomes are resolved through a decentralized oracle process that verifies results before distributing payouts to holders of winning shares. The platform uses a non-custodial model where participants maintain control of their assets through personal wallets while all transactions and positions remain publicly verifiable onchain. | $150M / Series C / Jul 15, 2025 | ||
| See all 101 investments → | |||
Co-Investors
About Abstract
Abstract is a venture capital firm based in San Francisco with $1.5 billion in assets under management. We are sector-agnostic, focused on seed and early stage founders. Our reputation among founders is built on fierce loyalty, unparalleled connections, and a relentless drive to help them win.
Abstract Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Lizzy Bates
Marketing Partner
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Alex Davidov
General Partner
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Anthony Heckman
Operating Partner
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Ramtin Naimi
Founder and General Partner
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Will Thomsen
Partner
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FAQ
What does Ramtin Naimi invest in?
Ramtin Naimi invests primarily in Software, Internet and Financial Services startups, most often at Seed and Series A stage. Most of the 101 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Ramtin Naimi?
Public channels for Ramtin Naimi include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Ramtin Naimi last invest?
The most recent investment recorded for Ramtin Naimi closed in Sep 2026. Shizune tracks 101 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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