United States · Venture startup
2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$51Mraised across 2 rounds since 2007, from 2 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Bessemer Venture Partners
Interactive Brokers Group
Renaissance TechnologiesReported by pehub.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Bessemer Venture PartnersInternational Securities Exchange HoldingsInteractive Brokers GroupRenaissance TechnologiesRound Table Investment ManagementMissing a round, or an investor who was in one? Tell us.
Quadriserv's investors include Bessemer Venture Partners, International Securities Exchange Holdings, Interactive Brokers Group, Renaissance Technologies and Round Table Investment Management.
Quadriserv has raised $51M across 2 rounds since 2007.
Quadriserv's most recent round was a Venture of $34M in Mar 2009.
Its most recent round, $34M in Mar 2009, is also its largest on record.
Quadriserv's first round on record, in Mar 2009, was backed by Bessemer Venture Partners, International Securities Exchange Holdings and Interactive Brokers Group and 2 others.
Quadriserv's latest named round is a Venture, in Mar 2009.
Quadriserv is based in the United States.
In the same sector, and raised in the last eighteen months.
Search every investor by what they have actually funded, then narrow to your stage and market. Free.
United States · 
