Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.
| Company Name | Founded | Funding Stage | Amount | City |
|---|---|---|---|---|
| Abbey Labs | 2023 | Seed | $5.3M | San Francisco |
| Sylvan Health | 2023 | Seed | $4.1M | Nashville |
| CognitOps | 2023 | Venture - Series Unknown | $3.1M | Austin |
| Zylo | 2023 | Series C | $5.0M | Indianapolis |
| alphaXiv | 2025 | Seed | $7.0M | San Francisco |
| Feroot Security | 2025 | Series A | $14.0M | Toronto |
| Moxie | 2026 | Series C | $25.0M | New York |
| Birches Health | 2026 | Series Unknown | Undisclosed | Phoenix |
| Blockit AI | 2026 | Seed | $5.0M | San Francisco |
| EraDrive | 2025 | Seed | $6.2M | Palo Alto |
| # | Company | Stage | Amount | Location |
|---|---|---|---|---|
| 26 | Abbey Labs | Seed | $5.3M | San Francisco, United States |
| 27 | Sylvan Health | Seed | $4.1M | Nashville, United States |
| 28 | CognitOps | Venture - Series Unknown | $3.1M | Austin, United States |
| 29 | Zylo | Series C | $5.0M | Indianapolis, United States |
| 30 | alphaXiv | Seed | $7.0M | San Francisco, United States |
| 31 | Feroot Security | Series A | $14.0M | Toronto, Canada |
| 32 | Moxie | Series C | $25.0M | New York, United States |
| 33 | Birches Health | Series Unknown | Undisclosed | Phoenix, United States |
| 34 | Blockit AI | Seed | $5.0M | San Francisco, United States |
| 35 | EraDrive | Seed | $6.2M | Palo Alto, United States |
Abbey is a platform for security teams to automate and secure access to sensitive data
Sylvan Health is a tool that manages nutrition for patients.
CognitOps the leader in artificial intelligence-powered warehouse optimization software.
Zylo allows users to discover, optimize, and govern their SaaS portfolio while elevating the employee experience.
alphaXiv serves applied AI teams by streamlining the path from research to production
Feroot Security platform protects the client-side javascript code of web applications against client-side attacks and compliance violations.
Moxie provides comprehensive software for managing MedSpa operations, including compliance, marketing, and patient management.
Birches Health provides therapy and support for those struggling with behavioral and process addictions.
Blockit AI delivers an AI scheduling agent that coordinates, books, and reschedules meetings across calendars and time zones.
EraDrive is a startup specializing in autonomous spacecraft navigation and collision avoidance.
Oboe is an AI-powered educational platform that offers resources for learning.
Scribe offers a workflow AI platform helps organizations capture and optimize how work gets done.
Highly accurate technology to identify AI-generated content.
CloudQuery is the open-source cloud asset inventory powered by SQL.
Tern Travel builds an integrated platform that connects the travel advisor to travelers and suppliers.
Onos Health is a health tech company that offers clinical teams a behavioral health platform to streamline workflows and cut admin tasks.
Rapid semiconductor manufacturing
Elsa Fertility offers accessible, affordable, and personalized IVF and fertility care via top clinic partnerships.
Haus is a marketing science platform that helps brands understand the true business impact of their marketing spend.
Starday Foods is a healthy and sustainable food products company.
Redpanda is pioneering the agentic data plane — AI infrastructure to connect agents with enterprise data and systems simply and securely.
Bounti.ai is a fully Autonomous Agents for GTM.
ReshapeX is a platform that delivers managed AI agents to automate industrial workflows like quoting, support, and documentation.
Blumen builds software powering clean energy development and mineral exploration.
Materia is an AI co-pilot streamlines audits, enhances accuracy, and boosts efficiency for firms.
Haystack has invested in 98 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.
Haystack's top investment sectors include Artificial Intelligence (AI), Software, Health Care, SaaS, Information Technology. The firm invests across 55 different industry categories.
Among tracked funding rounds, Redpanda Data received $100.0M in a Series D round. Haystack's total known invested capital is $975.3M.
Haystack's average investment size is $13.9M across its portfolio of 98 companies.
Recent Haystack portfolio additions include Abbey Labs, Sylvan Health, CognitOps, Zylo, alphaXiv. These companies were founded in 2020 or later.
Discover portfolio companies of other leading venture capital firms and investors.
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