United States · Who invested in Bolster?
Bolster's investors include Union Square Ventures, Costanoa Ventures, Y Combinator, Alumni Ventures and Soma Capital, and 5 more on record.
2012201420162018202020222024
$750KSeed$8.4MSeed?Seed$8.2MVenture
United States · Venture startup
Who invested in Bolster
Funding summaryUpdated 26 Oct 2026
$17Mraised across 4 rounds since 2012, from 4 sources
$750KSeed$8.4MSeed$8.2MVenture
- Latest round
- Venture, $8.2MJul 2024
- Biggest round
- $8.4MSeed · Oct 2021
- Investors
- 10 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $750K Jan 2012
- Biggest round
- $8.4M Seed · Oct 2021
- Usual gap between rounds
- 20 months the median of 3
The rounds
- Jul 2024Venture$8.2M3 new2 returning
Source recorded
- Nov 2022
- Oct 2021
- Jan 2012Seed$750K1 new
- AGB Holdings
From a historical funding record
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Seed2012Seed2021Seed2022Venture2024
Union Square VenturesL
Costanoa Ventures
Y Combinator
Alumni Ventures
Soma Capital
Foundry Group
Capital Factory
FUSE
I2BF Global VenturesAGB Holdings
Union Square VenturesLCostanoa VenturesY CombinatorAlumni VenturesSoma CapitalFoundry GroupCapital FactoryFUSEI2BF Global VenturesAGB HoldingsEveryone who backed them
AGB Holdingsno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Bolster
How much has Bolster raised?
Bolster has raised $17M across 4 rounds since 2012. One round did not disclose an amount, so the total is a floor.
When did Bolster last raise?
Bolster's most recent round was a Venture of $8.2M in Jul 2024.
What was Bolster's biggest round?
Bolster's largest round on record is $8.4M (Seed), in Oct 2021.
Who backed Bolster first?
Bolster's first round on record, in Jan 2012, was backed by AGB Holdings.
What stage is Bolster at?
Bolster's latest named round is a Venture, in Jul 2024.
Where is Bolster based?
Bolster is based in the United States.
Who led Bolster's rounds?
Union Square Ventures led the Seed in 2022.
Companies like Bolster
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.