United States · Pre-seed startup

Who invested in Symphony

9 rounds we have observed, with the 33 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.

Energy

Valuation: $1.4B, Mar 2026

Funding summaryUpdated 26 Oct 2026

$599Mraised across 9 rounds since 1999, from 9 sources

$66MRound$100MVenture$63MRound$165MSeries E$1.3MGrant$1.0MPre-seed$202MSeries A$500KPre-seed
Latest round
Pre-seed, $500KDec 2024
Biggest round
$202MSeries A · Jul 2024
Investors
33
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

1999200320072011201520192023
?Venture$66MRound$100MVenture$63MRound$165MSeries E$1.3MGrant$1.0MPre-seed$202MSeries A$500KPre-seed
First round
Venture
Nov 1999
Biggest round
$202M
Series A · Jul 2024
Usual gap between rounds
2.1 years
the median of 8

The rounds

  1. Dec 2024
    Pre-seed$500K2 new

    Source recorded

  2. Jul 2024
    Series A$202M1 new

    Source recorded

  3. Aug 2023
    Pre-seed$1.0M1 new

    Source recorded

  4. Jul 2021
    Grant$1.3M2 new

    Source recorded

  5. Jun 2019
  6. May 2017
    Round$63M1 new

    Reported by FinSMEs

  7. Oct 2015
  8. Oct 2014
  9. Nov 1999
    VentureAmount undisclosed1 new

    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.

Everyone who backed them

Goldman SachsPrivate equity2rounds
Merus CapitalVC firm2rounds
Wells Fargo & CompanyInvestment firm2rounds
Y CombinatorAccelerator1round
SOSVVC firm1round
CitibankGrowth equity1round
BlackRockAsset manager1round
JP MorganInvestment bank1round
BNP ParibasVC firm1round
Rebel FundVC firm1round
LakestarVC firm1round
GoogleAccelerator1round
Deutsche BankCorporate VC1round
BrincAccelerator1round
Bank of AmericaCompany1round
UBSWealth manager1round
Blackstone GroupPrivate equity1round
Societe GeneraleCorporate VC1round
Maverick CapitalVC firm1round
Credit SuisseVC firm1round
Gold House VenturesAccelerator1round
CitibankInvestment bank1round
Merrill LynchInvestment firm1round
NomuraHedge fund1round
JefferiesVC firm1round
MUFG Innovation PartnersCorporate VC1round
NatixisCorporate VC1round
HSBCCorporate VC1round
BNY MellonCorporate VC1round
CitadelCorporate VC1round
Woodhead IndustriesCorporate VC1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Symphony as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

League of American OrchestrasInvestment firmPer its own site

Quick answers about Symphony

Who invested in Symphony?

Symphony's investors include Goldman Sachs, Merus Capital, Wells Fargo & Company, Y Combinator and SOSV, and 28 more on record.

How much has Symphony raised?

Symphony has raised $599M across 9 rounds since 1999. One round did not disclose an amount, so the total is a floor.

When did Symphony last raise?

Symphony's most recent round was a Pre-seed of $500K in Dec 2024.

What was Symphony's biggest round?

Symphony's largest round on record is $202M (Series A), in Jul 2024.

Who backed Symphony first?

Symphony's first round on record, in Nov 1999, was backed by Woodhead Industries.

What stage is Symphony at?

Symphony's latest named round is a Pre-seed, in Dec 2024.

Where is Symphony based?

Symphony is based in the United States.

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