River Markets raised $8.5M in a seed round led by Haun Ventures to develop Wall Street-grade tools for prediction markets, enhancing their platform for hedge funds and trading firms.
Amount Raised
$8.5 Million
Round Type
Seed
San FranciscoFinancial ServicesFinanceFintechInvestors
Description
River Markets has closed an $8.5M seed funding round to create a prime brokerage layer for prediction markets. The round was led by Haun Ventures, with participation from Y Combinator, Coinbase Ventures, and other angel investors. The startup aims to offer institutional-grade tools for trading. Having facilitated over $50M in trading volume, River Markets seeks to streamline access to various trading venues.
Quick answer
River Markets raised $8.5 Million in a Seed round, dated August 11, 2026. Investors: JPMorgan, Google, Coinbase Ventures, Y Combinator, Nvidia, Novig, Citadel and Qube Research & Technologies. River Markets is based in San Francisco, California, United States.
- How much did River Markets raise?
- River Markets raised $8.5 Million in a Seed round on August 11, 2026.
- Who invested in River Markets?
- JPMorgan, Google, Coinbase Ventures, Y Combinator, Nvidia, Novig, Citadel and Qube Research & Technologies are named as investors in this round.
- What does River Markets do?
- River Markets is a San Francisco-based startup aiming to be the prime brokerage layer for prediction markets.
- Where is River Markets based and how big is it?
- River Markets is based in San Francisco, California, United States. Fundz records about 2 employees.
- Who are the decision-makers at River Markets?
- Fundz holds 1 contact at River Markets, including the Co-Founder. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Financial Services and Finance around the same time
Companies in the same sectors as River Markets that raised within 45 days of this round, from Fundz verified event records.
- Tenora raised $10M on September 24, 2026.
- Duqu raised $1.7M (Pre-Seed) on September 24, 2026.
- NG.CASH raised $15M on September 23, 2026.
- Infini raised $6M (Seed) on September 22, 2026.
- Definedge raised $2.3M (Pre-Series A) on September 22, 2026.
- National Bank of Canada raised $595M on September 20, 2026.
Who to call at River Markets, and when
A new round usually means River Markets is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day River Markets raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at River Markets, from your own LinkedIn network
Works inside ChatGPT and Claude. Ask who to call at River Markets. With Fundz connected, it knows.
AI made execution free. Knowing first is the whole game now.
Fundz sees it the moment River Markets raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
Related People
River Markets 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.
5 screens from a live account. No signup.