Fundz

Boom, a leasing operating system for SFR, has secured $15 million in Series A funding led by S3 Ventures to accelerate product launches and team growth.

PRIVATEAug 18, 2026

Amount Raised

$15 Million

Round Type

Series A

AustinOtherOtherOtherFinancial ServicesSoftwareReal EstateFintech

Investors

Mischief VCStarting Line VCCompany VenturesGilgamesh VenturesS3 Ventures

Description

Boom, a leasing operating system for single-family rentals, announced $15 million in Series A funding. Led by S3 Ventures, the funding will help launch BoomCRM and grow Boom's engineering team. The company aims to improve rental operations through innovative financial services. Boom has experienced significant growth, increasing its market presence in recent months.

Quick answer

Boom raised $15 Million in a Series A round, dated August 18, 2026. Investors: Mischief VC, Starting Line VC, Company Ventures, Gilgamesh Ventures and S3 Ventures. Boom is based in Austin, Texas, United States.

How much did Boom raise?
Boom raised $15 Million in a Series A round on August 18, 2026.
Who invested in Boom?
Mischief VC, Starting Line VC, Company Ventures, Gilgamesh Ventures and S3 Ventures are named as investors in this round.
What does Boom do?
Boom is building the financial hub for the 110 Million+ renters in the US.
Where is Boom based and how big is it?
Boom is based in Austin, Texas, United States. Fundz records about 92 employees.
Who are the decision-makers at Boom?
Fundz holds 1 contact at Boom. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Financial Services and Real Estate around the same time

Companies in the same sectors as Boom that raised within 45 days of this round, from Fundz verified event records.

  • Computis raised $2.3M (Pre-Seed) on October 2, 2026.
  • MAVI raised $4M (Seed) on September 30, 2026.
  • RiskScout raised an undisclosed amount on September 28, 2026.
  • F2 raised $5M on September 28, 2026.
  • Mirai RiskTech raised $5.7M on September 24, 2026.
  • Tenora raised $10M on September 24, 2026.

Who to call at Boom, and when

A new round usually means Boom is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Boom raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Boom, from your own LinkedIn network

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Company Information

Company

Boom

Location

Austin, Texas, United States

About

Boom is building the financial hub for the 110 Million+ renters in the US. We’ve started by creating rent payment tools that enable renters to pay on the schedule they define and build credit in the process.

AI made execution free. Knowing first is the whole game now.

Fundz sees it the moment Boom raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Boom raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.