RareBreed Ventures
Baltimore, Maryland · Invests in US · Website
Check size
$50K-$250K
Thesis
Exceptional founders exist everywhere, not just Silicon Valley. By backing underrepresented and overlooked founders solving real market problems outside major tech hubs, we access high-conviction founder pools and less competitive deal spaces, driving outsized returns while expanding venture capital access.
Likely not a fit for
Generic Silicon Valley copy-cats, founders without authentic problem connection, ideas in well-served competitive markets, credentialism without real problem-solving
How they invest
- Lead or follow
- Usually leads
- Typical decision
- ~2 weeks
- Warm intro
- Not required
- Involvement
- Observer
- Fund status
- Actively deploying
- Decision process
- Solo GP
Partners & team
2 contacts on file
Mac Conwell
Partner · Primary contact
McKeever Mac Conwell II
Founder and Managing Partner
Portfolio
unspun is a fashion and technology company focused on revolutionizing the apparel manufacturing process through 3D weaving technology, aiming to reduce waste and carbon emissions in the fashion industry.
GigSafe is a workforce management solution designed for delivery companies, focusing on automating compliance, onboarding, and payment processes to enhance operational efficiency and reduce manual workload.
MainStreet provides back office solutions for small businesses, focusing on automating bookkeeping, discovering hidden tax credits, and managing finances.
Allocate is an intelligent operating system designed for private market investing, providing wealth advisory firms with the infrastructure to seamlessly build and manage high-quality alternative portfolios. The platform enables clients to access top-tier venture capital opportunities and manage their investments all in one place.
Blank Beauty specializes in custom nail polish, offering a wide range of unique shades and collections, including vegan and 13-free options. They emphasize direct-to-consumer sales, cutting out middlemen to provide high-quality products at affordable prices.
Bonus Homes offers homeowners a unique way to unlock their home equity while retaining the potential for future appreciation through their Home Appreciation Partnership (HAP) model. This allows homeowners to convert their homes into rental properties while still benefiting from the home's value growth.
Nectar offers a variety of products including mattresses, bedding, and employee recognition software, focusing on enhancing sleep quality and workplace culture.
EarlyBird is an investment platform that allows parents to create custodial investment accounts for their children, enabling family and friends to contribute financially while preserving precious memories.
Semantiks is an artificial intelligence startup that offers a no-code AI agent platform designed for Latin America, enabling companies to automate customer service and enhance user engagement through conversational agents.
Levels helps people understand and improve their health using comprehensive blood testing, AI-driven food logging, habit tracking, optional glucose monitoring, and personalized guidance—all within one app.
Breadless offers energizing sandwiches, power bowls, and salads that replace traditional bread with nutrient-dense leafy greens, aiming to fuel healthier living.
Recent activity
- Dec 2025
SuperCircle
Pre-Seed · Lead
RareBreed Ventures in the news
FinTech Futures
Acorns acquires family investment app EarlyBird
May 2025
Smart Business Dealmakers
Announcing Nashville's Smart Business Network Dealmaker Award Winners and 2024 Dealmakers Hall of Fame Class!
Feb 2024
The Business Journals
Luke Cooper scales back goal for first venture fund from $250M to $50M
Mar 2023
The Business Journals
Lancaster startup letting users create a replica engagement ring before buying raises $3.85M
Nov 2022
Shoppe Black
Black Owned Plant-Based Hair Extension Brand Raises $1.4 Million
Sep 2022
The Business Journals
Baltimore investor syndicate Riptide Ventures aims to invest $30M in startups
Sep 2022
citybiz
Brown Advisory’s B.Innovative Space Supports Diverse Entrepreneurs and Communities in Baltimore and Austin
Apr 2022
Technical.ly
The rise of RareBreed Ventures: How Mac Conwell used Twitter and hard-won savvy to grow a $10M fund
Jan 2022
Built In Chicago
Reddit Co-Founder Alexis Ohanian Invests in EarlyBird’s $4M Seed Round
Nov 2021
PR Newswire
Investing platform EarlyBird announces $4M Seed, led by Alexis Ohanian's Seven Seven Six
Nov 2021
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Very early-stage investor with deep mobile and connected-internet expertise from the smartphone era, focusing on three to four growth industries and helping founders attract major U.S. investors. Originated as the BlackBerry Partners Fund.
Research briefRead more
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