Insights

Growth potential Target venture capital and private equity portfolios seeking high-growth, transformative immunotherapy opportunities, leveraging RLB Holdings’ focus on next-generation therapies and community impact as a differentiator.

Strategic partnerships Position value propositions around co-investments, limited partner relationships, and strategic collaborations to accelerate clinical development and market access for immunotherapy assets.

Early stage focus Engage with RLB Holdings on opportunities at or before late-stage preclinical to clinical transition, aligning with their stated mission to uncover growth opportunities with meaningful patient impact.

Operational leverage Offer advisory and back-office support services (compliance, reporting, portfolio analytics) that align with a lean shop footprint and potential need to optimize fund-scale operations.

Medium-scale exposure Highlight investment opportunities that fit a small-to-mid cap fund profile (revenue in low billions, relatively compact teams) to match the firm’s 2-10 employee range and agility requirements.

RLB Holdings, LLC Tech Stack

RLB Holdings, LLC uses 8 technology products and services including RSS, MySQL, oEmbed, and more. Explore RLB Holdings, LLC's tech stack below.

  • RSS
    Content Management System
  • MySQL
    Database
  • oEmbed
    Dev Tools
  • Modernizr
    Javascript Libraries
  • Really Simple Discovery
    Miscellaneous
  • reCAPTCHA
    Security
  • Bootstrap
    UI Frameworks
  • Apache HTTP Server
    Web Servers

RLB Holdings, LLC's Email Address Formats

RLB Holdings, LLC uses at least 1 format(s):
RLB Holdings, LLC Email FormatsExamplePercentage
First@rlb-holdings.comJohn@rlb-holdings.com
100%

Frequently Asked Questions

What is RLB Holdings, LLC's phone number?

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You can contact RLB Holdings, LLC's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is RLB Holdings, LLC's official website and social media links?

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RLB Holdings, LLC's official website is rlb-holdings.com and has social profiles on LinkedIn.

How much revenue does RLB Holdings, LLC generate?

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As of August 2026, RLB Holdings, LLC's annual revenue is estimated to be $1M - $10M.

What is RLB Holdings, LLC's SIC code NAICS code?

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RLB Holdings, LLC's SIC code is 6371 - Pension, Health, and Welfare Funds NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does RLB Holdings, LLC have currently?

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As of August 2026, RLB Holdings, LLC has approximately 6 employees across 2 continents, including North AmericaEurope. Key team members include Aviation Department Manager: S. R.Principal: W. T.. Explore RLB Holdings, LLC's employee directory with LeadIQ.

What industry does RLB Holdings, LLC belong to?

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RLB Holdings, LLC operates in the Venture Capital and Private Equity Principals industry.

What technology does RLB Holdings, LLC use?

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RLB Holdings, LLC's tech stack includes RSSMySQLoEmbedModernizrReally Simple DiscoveryreCAPTCHABootstrapApache HTTP Server.

What is RLB Holdings, LLC's email format?

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RLB Holdings, LLC's email format typically follows the pattern of First@rlb-holdings.com. Find more RLB Holdings, LLC email formats with LeadIQ.

When was RLB Holdings, LLC founded?

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RLB Holdings, LLC was founded in 2011.
RLB Holdings, LLC logo

RLB Holdings, LLC

Venture Capital and Private Equity PrincipalsConnecticut, United States2-10 Employees

RLB Holdings, LLC operates as a small investment firm within the venture capital and private equity space. Founded in 2011 by Ray and Lydia Bartoszek, who co-lead as managing partners, the firm is based in Greenwich, Connecticut. It emphasizes uncovering opportunities with strong growth potential while also aiming to deliver positive economic and community benefits. With a compact team, the firm focuses on guiding partnerships and opportunities that align with these objectives.

A December 2022 update notes that RLB Holdings is pursuing the development of next-generation immunotherapies intended to transform patients' lives.

Section iconCompany Overview

Phone number
SIC Code
6371 - Pension, Health, and Welfare Funds
NAICS Code
52391 - Miscellaneous Intermediation
Founded
2011
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    RLB Holdings, LLC's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    RLB Holdings, LLC's revenue is estimated to be in the range of $1M - $10M

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