Gigi Levy Weiss
Shareholder & board member @ SweetIM
Gigi Levy Weiss is a seed investor at SweetIM focused on Software and Artificial Intelligence. Gigi Levy Weiss is the General Partner at NFX. He attended Tel Aviv University and the Finance Department - Kellogg School of Management.
- Total investments:
- 118
- Last investment:
- Lead investor:
- 40%
Last updated:
For AI agents: llms.txt
Industries Gigi Levy Weiss invests in
Stages Gigi Levy Weiss invests in
Countries Gigi Levy Weiss invests in
Round sizes
Round size
- Seed
- $1M–$10M
- Series A
- $4M–$30M
- Series B
- $6.5M–$45M
Investment Focus
Industry
- Software 21 (18%)
- Artificial Intelligence 12 (10%)
- Information Technology 11 (9%)
- Gaming 9 (8%)
- Apps 8 (7%)
Stage
- Seed 58 (49%)
- Series A 32 (27%)
- Series B 8 (7%)
- Pre-Seed 4 (3%)
- Angel 3 (3%)
Country
- Israel 40 (34%)
- United States 27 (23%)
- United Kingdom 8 (7%)
- Cyprus 1 (1%)
- Turkey 1 (1%)
Investments
| Company | Description | Round | Links |
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Velocity provides an AI-native monetization and distribution platform that analyzes real-time user intent from conversational software to deliver relevant ads and recommendations natively within user dialogues. The system converts multi-turn text prompts into privacy-safe signals, running real-time auctions to optimize ad revenue for developerswithout relying on cookies or browsing history. | $27M / Seed / Jul 08, 2026 | |
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Q‑Factor is building the physical infrastructure needed to scale quantum computing. They design neutral‑atom quantum systems from the ground up to support millions of qubits.They target the key bottlenecks of control, connectivity, and error correction between today’s prototypes and commercially viable quantum machines. | $24M / Seed / Apr 06, 2026 | |
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Koi provides an endpoint security platform that governs software installation across enterprise environments through a centralized control layer. The platform applies policy enforcement to software packages, extensions, containers, AI models, AI agents, and related components before they are installed on endpoints. Koi supports install-timeinspection and approval workflows that help organizations manage what code is introduced into their systems. The platform integrates with existing development and IT processes to monitor installation requests and apply predefined rules. | $10M / Seed / Sep 10, 2025 | |
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Koi provides an endpoint security platform that governs software installation across enterprise environments through a centralized control layer. The platform applies policy enforcement to software packages, extensions, containers, AI models, AI agents, and related components before they are installed on endpoints. Koi supports install-timeinspection and approval workflows that help organizations manage what code is introduced into their systems. The platform integrates with existing development and IT processes to monitor installation requests and apply predefined rules. | $38M / Series A / Sep 10, 2025 | |
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Vendict powers the privacy and compliance industry, helping security experts become enablers within their company by providing them with cutting-edge, AI-led technology, designed to solve the most complicated of compliance issues, at scale. Using Vendict's cutting-edge technology, CISOs, tech executives, security teams, and risk managementprofessionals use Vendict to address their compliance questionnaires and security assessment challenges. | $10M / Series A / Aug 05, 2025 | |
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Unibeam amplifies security for service providers and enterprises by authenticating their customers through the binding of SIM/eSIM and mobile device data, eliminating fraud without the need for passwords or intrusive questions. With offices in the UK, US, and Israel, Unibeam delivers a seamless, frictionless user experience. | $6M / Seed / Jun 06, 2025 | |
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Optimizing tenants' lifestyle and convenience through enabling them with a hotel-like home cleaning service | $7.5M / Seed / Mar 06, 2025 | |
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ACID LABS is actively infusing innovative gaming dynamics into popular chat superapps such as Telegram. | $8M / Seed / Feb 28, 2025 | |
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Accumulator provides a platform for accessing liquidity from private company equity. The platform allows users to convert shares into liquid financial exposure without requiring a full exit, helping manage concentration risk and maintain participation in future upside. It offers structured investment mechanisms that pool assets into diversifiedportfolios of private companies, supporting both equity holders and cash investors. Accumulator also facilitates portfolio diversification by exchanging single-company holdings for broader exposure across multiple private assets. Its services include fund structures, investor participation models, and tools designed to support capital allocation and liquidity planning in private markets. | $46M / Dec 03, 2024 | |
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Azra Games is a blockchain-based developer of collectable combat role-playing games for core gamers. Azra Games is led by Mark Otero, a world-renowned online strategy game developer whose most recent game generated over $1 billion in sales. Their crew has over 70 years of combined gaming industry expertise. They are now providing the core gamingexperience that core gamers desire to Web3. Azra Games is headquartered in Sacramento, United States. | $42.7M / Series A / Oct 15, 2024 | |
| See all 118 investments → | |||
Co-Investors
About SweetIM
SweetIM software enhances messenger services by adding emoticons, winks, audibles, sound FX, Display Pictures, Nudges and soon to come more exciting content, enhancing the messaging experience and enabling instant messenger users to express themselves in fun and creative ways.The SweetIM Toolbar for Internet Explorer software enhances InternetExplorer browser by placing a new toolbar that allows to add favorite icons and emoticons to any web based application including web based email such as Hotmail, Yahoo mail, Gmail, Web Forums, Blogs and more.
SweetIM Contacts
| Name | Phone | Socials | |
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Gigi Levy Weiss
Shareholder & board member
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Robert Sherman
Founder, CTO
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3 more contacts available
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FAQ
What does Gigi Levy Weiss invest in?
Gigi Levy Weiss invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Series A stage. Most of the 118 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Gigi Levy Weiss's check size?
Gigi Levy Weiss typically joins rounds of $1M–$10M at Seed, $4M–$30M at Series A and $6.5M–$45M 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 Gigi Levy Weiss participates in.
When did Gigi Levy Weiss last invest?
The most recent investment recorded for Gigi Levy Weiss closed in Jul 2026. Shizune tracks 118 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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