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Haystack — Portfolio

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

157
Companies
$2.6B
Total invested
$20.0M
Avg. check
56
Industries
Software 8Artificial Intelligence (AI) 6Information Technology 4Apps 3FinTech 2Food and Beverage 2+50 more
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Portfolio companies

Showing 124 of 157
Rivet
September 2025

Rivet is a tax prep firm, designed to make tax season less taxing.

Financial Services · Woodbury$5.1M Venture - Series Unknown
Haus
September 2021

Haus specializes in the manufacturing and distillation of wine and spirits.

Distillery · HealdsburgSeries A
Abra
September 2021

Abra provides digital asset financial services, offering a platform for cryptocurrency trading, lending, borrowing, and wealth management.

Bitcoin · Mountain View$55.0M Series C
Hedgehog
August 2024

Hedgehog enables low-cost production of fungi-based products like mushrooms, mycelium protein, feed amendments, and bulk animal feed.

Agriculture · Palo AltoVenture - Series Unknown
Complete
August 2022

Create, collaborate on, and explain compensation practices from day zero.

Data Integration · San FranciscoSeed
Pager
August 2022

Pager is building a new way to capture digital experiences.

Social Media · New York$6.1M Seed
Wag
July 2024

Wag! is a mobile application used to instantly find trusted and certified dog walkers.

Apps · Mountain View$10.0M Post-IPO Equity
Trebellar
July 2023

Trebellar specializes in helping firms optimize building operations and space decisions to reduce carbon emissions.

Construction · San Francisco$3.5M Seed
Silo
July 2023

Silo offers integrated software and financing solutions for the food supply chain.

Agriculture · San Francisco$100.0M Debt Financing
Pangram Labs
June 2025

Highly accurate technology to identify AI-generated content.

Artificial Intelligence (AI) · Brooklyn$2.7M Seed
Layup Parts
June 2026

Layup Parts manufactures composite parts and the tooling to make those parts.

Machinery Manufacturing · Huntington Beach$42.0M Series A
Board
June 2026

Board is the face-to-face tabletop gaming console designed to bring people together physically around a 24-inch screen.

Card and Board Games · New York$20.0M Series A
Pomerium
June 2024

Pomerium authenticate, authorize, monitor, and secure user access to any application without a VPN.

Apps · Solana Beach$13.8M Series A
Higo
June 2022

Higo is to transform B2B payments for small and medium-sized businesses in Latin America.

Software · Mexico CityNon-equity Assistance
Neion Bio
June 2026

Neion Bio uses advances in stem cell biology and genetic engineering to completely reimagine the biopharmaceutical production process.

Yorkshire$23.0M Series A
Red Leader
May 2022

Red Leader is a hardware and software company building HD software-defined lidar systems for 3D mapping.

3D Technology · Palo Alto$10.0M Series A
Animation Inc.
May 2024

Animation Inc. develops on-device real-time generative animation AI model that adds visual layer to LLM voice agents.

Animation · Dover$3.5M Pre-Seed
MicroAlchemy
May 2025

Rapid semiconductor manufacturing

Electronic Design Automation (EDA) · San Francisco$2.2M Pre-Seed
Trunk
April 2022

Trunk is a DevEx toolkit that enables you to ship code quickly while maintaining the guardrails necessary for a large team

Developer Tools · San Francisco$25.0M Series A
Redpanda Data
April 2025

Redpanda is pioneering the agentic data plane — AI infrastructure to connect agents with enterprise data and systems simply and securely.

AI Infrastructure · San Francisco$100.0M Series D
Shapes
April 2026

Shapes is a platform that enables users to interact with artificial intelligence and other users within shared chat environments.

Apps · San Francisco$8.0M Seed
Smallstep
April 2022

Smallstep is an open-source toolkit to automate certificate administration and secure infrastructures.

Identity Management · San Francisco$19.0M Series A
Elsa Fertility
April 2025

Elsa Fertility offers accessible, affordable, and personalized IVF and fertility care via top clinic partnerships.

Fertility · Stanford$4.0M Seed
Cobalt AI
April 2022

Cobalt AI provides AI-powered threat detection, automated monitoring, robotic security guards, and remote monitoring services.

Artificial Intelligence (AI) · San FranciscoVenture - Series Unknown

Where Haystack invests

Software8
Artificial Intelligence (AI)6
Information Technology4
Apps3
FinTech2
Food and Beverage2

About Haystack's portfolio

How many companies has Haystack invested in?

Haystack has invested in 157 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Haystack invest in?

Haystack's top investment sectors include Software, Artificial Intelligence (AI), Information Technology, Apps, FinTech. The firm invests across 56 different industry categories.

What is Haystack's largest investment?

Among tracked funding rounds, Silo received $100.0M in a Debt Financing round. Haystack's total known invested capital is $2.6B.

What is the average investment size for Haystack?

Haystack's average investment size is $20.0M across its portfolio of 157 companies.

What are Haystack's most recent investments?

Recent Haystack portfolio additions include Rivet, Haus, Abra, Hedgehog, Complete. These companies were founded in 2020 or later.

Reach the founders behind these 157 companies
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