Primary Venture Partners Review: NYC's Most Resource-Rich Seed-Stage VC
Everything you need to know about Primary Venture Partners: their investment thesis, notable portfolio companies, typical check size, and how to position your startup for funding.
If you're building a startup in New York at the pre-seed or seed stage, Primary Venture Partners should be at the top of your target list. They're one of NYC's most prominent seed-stage VCs with a unique platform model.
Founded by Brad Svrluga and Ben Sun, Primary Venture Partners runs one of the most resource-heavy platform models in seed VC. With roughly 50 platform operators, their impact team is about twice the size of their investing team. They closed their fifth fund in 2025 at $625M.
In this guide, we'll cover what Primary Venture Partners looks for, their investment criteria, notable portfolio companies, and how to position your startup to catch their attention.
Investment Focus & Thesis
Primary Venture Partners focuses on pre-seed and seed-stage companies in New York. Their thesis centers on being a true partner to founders with extensive platform support.
Stage Focus
Pre-seed and seed stages. They invest $100K-$5M per company and can lead rounds.
Check Size
$100K to $5M per investment, with typical seed investments of $250K-$1M.
Primary Venture Partners invests across several core sectors:
- Healthcare & Healthtech — Digital health, healthcare SaaS, and wellness
- Fintech — Financial services, payments, and banking technology
- Enterprise SaaS — B2B software and business tools
- Proptech — Real estate technology
- AI & Machine Learning — AI-powered solutions
- E-commerce — Retail and marketplace technology
Recent Investment Activity
Primary Venture Partners has been highly active in 2025 and 2026. They closed their fifth fund at $625M in 2025, demonstrating continued confidence in early-stage NYC companies.
| Company | Sector | Round | Year |
|---|---|---|---|
| K Health | Healthcare | Series B+ | 2025 |
| Pinwheel | Fintech | Series A | 2025 |
| Marker Learning | EdTech | Seed | 2025 |
| Chief | Future of Work | Series B | 2025 |
Their fifth fund at $625M makes them one of the largest seed-stage investors in New York.
Notable Portfolio Companies
Primary Venture Partners has backed over 100 NYC companies. Here are some notable ones:
K Health
AI-powered healthcare platform that matches patients with doctors. Raised significant funding.
Walmart Marketplace
While not their investment, Primary backed companies integrated with major marketplaces.
Pinwheel
Financial data API company enabling income and employment verification.
Chief
Network for women executives, providing mentorship and community.
Marker Learning
EdTech platform transforming how students learn and teachers teach.
The portfolio spans healthcare, fintech, enterprise, and consumer sectors, all NYC-based.
What Primary Venture Partners Looks For
Based on public statements and their investment patterns, here's what Primary Venture Partners typically evaluates:
- NYC-based companies — They explicitly focus on New York startups.
- Founder quality — Strong founders with domain expertise and execution ability.
- Market potential — Large, addressable markets with room for significant growth.
- Platform fit — Companies that can benefit from their extensive platform resources.
- Team potential — They invest in teams that can scale as the company grows.
Pro Tip
Primary Venture Partners runs a resource-heavy platform with 50+ operators. If your company can benefit from extensive support in marketing, sales, and recruiting, you're a great fit.
How to Connect With Primary Venture Partners
Getting a meeting with Primary Venture Partners requires a strong NYC connection. Here's what we recommend:
Be NYC-Based
They explicitly focus on New York startups. Your company should have NYC roots.
Leverage Your Network
Warm introductions from portfolio founders or NYC investors can help get noticed.
Show Traction
Demonstrate early customer adoption, revenue, or strong metrics.
Attend NYC Events
Primary is active in the NYC ecosystem. Building relationships at local events helps.
The Value of Financial Preparedness
Primary Venture Partners expects founders to have a solid understanding of their financials. This is where many first-time founders struggle — and where bringing in fractional CFO support can make a significant difference.
Why Investors Care
- • Demonstrates business acumen
- • Shows you understand unit economics
- • Enables smarter decision-making
- • Speeds up due diligence
What You Need
- • Clear financial model with assumptions
- • Understanding of burn rate and runway
- • Realistic projections for growth
- • CAC and LTV metrics
How Eagle Rock Helps
We help NYC startups build financial infrastructure that impresses investors. From pitch deck financials to metric tracking, our fractional CFO services ensure you're ready for due diligence.
Ready to Strengthen Your Fundraising Deck?
Whether you're preparing to pitch Primary Venture Partners or other top VCs, having professional financials can set you apart. Our team has helped companies raise over $200M in venture capital.
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