United States · Series D startup
5 rounds we have observed, with the 20 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.
Y Combinator: Summer 2011
Funding summaryUpdated 26 Oct 2026
$107Mraised across 5 rounds since 2011, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding record
Y Combinator
SV Angel
First Round Capital
Founder Collective
Union Square Ventures
Chris DixonReported by techcrunch.com
SV AngelFounder CollectiveFrom a historical funding record
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
SV AngelFirst Round CapitalFounder CollectiveUnion Square VenturesMax LevchinY Combinator
Insight Partners
Spark CapitalAlexis OhanianMarc BenioffMissing a round, or an investor who was in one? Tell us.
Sift Science's investors include SV Angel, First Round Capital, Founder Collective, Union Square Ventures and Max Levchin, and 15 more on record.
Sift Science has raised $107M across 5 rounds since 2011.
Sift Science's most recent round was a Series D of $53M in Mar 2018.
Its most recent round, $53M in Mar 2018, is also its largest on record.
Sift Science's first round on record, in Sept 2011, was backed by SV Angel, Founder Collective and Alexis Ohanian and 7 others.
Sift Science's latest named round is a Series D, in Mar 2018.
Sift Science is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
