InvestorsSEC-registered adviser

SignalFire

San Francisco, CAsignalfire.com
Legal name: Signalfire Management Services, LLC

SignalFire is an SEC-registered investment adviser based in San Francisco, CA. It reports advising 52 venture funds, with $4.5B in gross private fund assets as of its Form ADV filed Mar 30, 2026.

Last checkedOct 9, 2026. Adviser records are re-read when the SEC publishes its monthly lists; fund filings every day. Details can change after they are filed or reported; if something here is wrong or has changed, tell us below.

Focus

Not known yet. The SEC does not ask a firm what stages or sectors it invests in. Once the firm claims this profile, or rounds it invested in are recorded, it will show here with its source.

Portfolio

0 cited

No rounds recorded yet. A round appears here when a press release, news report or the company names this firm as an investor, with a link to that source.

People

As named on its funds' SEC filings

A fund's Form D names the executive officers and directors of its general partner when it is filed. People stay listed with the date they were last named; someone who has left may still appear until a newer filing or a correction says so.

Funds

43 on file
FundFormedRaisedTargetLast filed
SignalFire XIR Opportunities II, L.P. - SERIES AUG2024—IndefiniteOct 7, 2026
SignalFire Eureka Fund, L.P.2024—IndefiniteMay 22, 2026
SignalFire Opportunities Fund, L.P. - Series 202020—IndefiniteJun 23, 2025
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 192020—IndefiniteMay 30, 2025
SignalFire XIR Opportunities II, L.P. - Series CVR2024—IndefiniteApr 28, 2025
SIGNALFIRE XIR OPPORTUNITIES II, L.P. - SERIES SPR2024—IndefiniteMar 26, 2025
SignalFire Affiliates XIR Venture Fund II, L.P.2024—IndefiniteSep 24, 2024
SignalFire Affiliates Seed Fund V, L.P.2024—IndefiniteSep 24, 2024
SignalFire Affiliates Early Fund IV, L.P.2024—IndefiniteSep 24, 2024
SIGNALFIRE XIR OPPORTUNTIES II, L.P. - SERIES CEN2024—IndefiniteAug 16, 2024
SignalFire XIR Venture Fund II, L.P.2024—IndefiniteMar 28, 2024
SignalFire Seed Fund V, L.P.2024—IndefiniteMar 28, 2024
SignalFire Early Fund IV, L.P.2024—IndefiniteMar 28, 2024
SIGNALFIRE XIR OPPORTUNITIES, L.P. - SERIES 62022—IndefiniteDec 11, 2023
SignalFire Sage Fund, L.P.2023—IndefiniteSep 8, 2023
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 182020—IndefiniteJul 26, 2023
SIGNALFIRE XIR OPPORTUNITIES, L.P. - SERIES 52022—IndefiniteJun 12, 2023
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 162020—IndefiniteJun 7, 2023
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 172020—IndefiniteJun 7, 2023
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 152020—IndefiniteMar 23, 2023
SignalFire XIR Opportunities, L.P. - Series 42022—IndefiniteJan 18, 2023
SIGNALFIRE XIR OPPORTUNITIES, L.P. - SERIES 32022—IndefiniteDec 8, 2022
SIGNALFIRE XIR OPPORTUNITIES, L.P. - SERIES 22022—IndefiniteDec 7, 2022
SIGNALFIRE FUND IV, L.P.2021$192MIndefiniteOct 20, 2022
SIGNALFIRE BREAKOUT FUND III, L.P.2021$357MIndefiniteOct 20, 2022
SIGNALFIRE XIR OPPORTUNITIES, L.P. - SERIES 12022—IndefiniteJul 8, 2022
SIGNALFIRE VSS I, L.P.2021$133MIndefiniteApr 19, 2022
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 142020—IndefiniteMar 14, 2022
SIGNALFIRE AFFILIATES FUND IV, L.P.2022—IndefiniteMar 8, 2022
SIGNALFIRE AFFILIATES BREAKOUT FUND III, L.P.2022—IndefiniteMar 8, 2022
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 122020—IndefiniteJan 18, 2022
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 132020—IndefiniteJan 11, 2022
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 112020—IndefiniteDec 2, 2021
SIGNALFIRE LIBERTY FUND, L.P.2021—IndefiniteOct 18, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 102020—IndefiniteJul 12, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 82020—IndefiniteMay 20, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 92020—IndefiniteMay 19, 2021
SIGNALFIRE VSS I - B, L.P.2021—IndefiniteMay 19, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 52021—IndefiniteApr 27, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 72020—IndefiniteApr 2, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 62020—IndefiniteApr 2, 2021
SIGNALFIRE OPPORTUNITIES FUND, L.P. - SERIES 42020—IndefiniteMar 2, 2021
SIGNALFIRE SPV, L.P. - SERIES 32021—IndefiniteJan 27, 2021

Funds are matched to this firm by the manager named on their filings or by name. If a fund here is not theirs, tell us below.

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