Signalfire
San Francisco, CA · CRD 194512
Venture capital manager
Signalfire is an SEC-registered investment adviser based in San Francisco, CA that reports managing 52 private funds on Form ADV, including 52 venture capital funds. It reports $4.5 billion in regulatory assets under management. Its private funds hold $4.5 billion in gross assets.
- Regulatory assets under management
- $4.5 billionForm ADV Item 5.F
- Gross assets of private funds
- $4.5 billionAll private fund types, Form ADV
- Private funds managed
- 52PE 0 · VC 52 · hedge 0
- Employees
- 50Form ADV Item 5.A
- Registration
- SEC-registered adviserCRD 194512
- Latest Form ADV
- 03/30/2026Disciplinary disclosures: none reported
Venture capital funds filing Form D (1)
Fund
First sale
Raised
Investors
Minimum
Offering
SignalFire Eureka Fund, L.P.
San Francisco, CA
First saleApr 2024
Raised$150M
Investors1
MinimumNone set
Offering506(b)
Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.
Private funds reported on Form ADV (17)
Fund
Gross assets
Minimum
Owners
Adviser
Signalfire Breakout Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$523M
Minimum$250K
Owners155
AdviserSignalfire
Signalfire Fund III, L.P.
Delaware, United StatesVenture capital fund
Gross assets$482M
Minimum$250K
Owners168
AdviserSignalfire
Signalfire Fund II, LP
Delaware, United StatesVenture capital fund
Gross assets$401M
Minimum$250K
Owners155
AdviserSignalfire
Signalfire Breakout Fund III, L.P.
Delaware, United StatesVenture capital fund
Gross assets$391M
Minimum$250K
Owners268
AdviserSignalfire
Signalfire Breakout Fund II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$348M
Minimum$250K
Owners168
AdviserSignalfire
Signalfire Fund IV, L.P.
Delaware, United StatesVenture capital fund
Gross assets$187M
Minimum$250K
Owners268
AdviserSignalfire
Signalfire Vss I, L.P.
Delaware, United StatesVenture capital fund
Gross assets$165M
Minimum$250K
Owners21
AdviserSignalfire
Signalfire Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$152M
Minimum$75K
Owners57
AdviserSignalfire
Signalfire Liberty Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$103M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Sage Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$100M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Affiliates Breakout Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$14.8M
Minimum$25K
Owners43
AdviserSignalfire
Signalfire Affiliates Fund III, L.P.
Delaware, United StatesVenture capital fund
Gross assets$11.5M
Minimum$25K
Owners53
AdviserSignalfire
Signalfire Affiliates Fund II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$11.4M
Minimum$25K
Owners43
AdviserSignalfire
Signalfire Affiliates Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$10.2M
Minimum$25K
Owners31
AdviserSignalfire
Signalfire Affiliates Breakout Fund II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$8.8M
MinimumNone set
Owners53
AdviserSignalfire
Signalfire Affiliates Breakout Fund III, L.P.
Delaware, United StatesVenture capital fund
Gross assets$4.3M
Minimum$25K
Owners35
AdviserSignalfire
Signalfire Affiliates Fund IV, L.P.
Delaware, United StatesVenture capital fund
Gross assets$2.0M
Minimum$25K
Owners35
AdviserSignalfire
As reported in the adviser's Form ADV filed Jul 8, 2024. Funds also listed from Form D are shown above.
Fund vehicles: feeder funds and single-deal vehicles (23)
Fund
Gross assets
Minimum
Owners
Adviser
Signalfire Opportunities Fund, L.P. - Series 15
Delaware, United StatesVenture capital fund
Gross assets$75.1M
Minimum$250K
Owners2
AdviserSignalfire
Signalfire Opportunities Fund, L.P. Series 2
Delaware, United StatesVenture capital fund
Gross assets$45.4M
Minimum$250K
Owners2
AdviserSignalfire
Signalfire Xir Opportunities, L.P. - Series 1
Delaware, United StatesVenture capital fund
Gross assets$32.5M
Minimum$250K
Owners22
AdviserSignalfire
Signalfire Xir Opportunities, L.P. - Series 2
Delaware, United StatesVenture capital fund
Gross assets$28.2M
Minimum$250K
Owners22
AdviserSignalfire
Signalfire Xir Opportunities, L.P. - Series 6
Delaware, United StatesVenture capital fund
Gross assets$26.2M
Minimum$250K
Owners22
AdviserSignalfire
Signalfire Opportunities Fund, L.P. Series 4
Delaware, United StatesVenture capital fund
Gross assets$25.9M
Minimum$250K
Owners2
AdviserSignalfire
Signalfire Xir Opportunities, L.P. - Series 3
Delaware, United StatesVenture capital fund
Gross assets$17.2M
Minimum$250K
Owners22
AdviserSignalfire
Signalfire Opportunities Fund, L.P. Series 1
Delaware, United StatesVenture capital fund
Gross assets$14.6M
Minimum$250K
Owners144
AdviserSignalfire
Signalfire Xir Opportunities, L.P. - Series 5
Delaware, United StatesVenture capital fund
Gross assets$11.1M
Minimum$250K
Owners22
AdviserSignalfire
Signalfire Xir Opportunities, L.P. - Series 4
Delaware, United StatesVenture capital fund
Gross assets$10.7M
Minimum$250K
Owners22
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 18
Delaware, United StatesVenture capital fund
Gross assets$9.6M
Minimum$250K
Owners5
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 13
Delaware, United StatesVenture capital fund
Gross assets$9.2M
Minimum$250K
Owners2
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 16
Delaware, United StatesVenture capital fund
Gross assets$8.2M
Minimum$250K
Owners91
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 6
Delaware, United StatesVenture capital fund
Gross assets$8.1M
Minimum$250K
Owners689
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 10
Delaware, United StatesVenture capital fund
Gross assets$7.9M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 12
Delaware, United StatesVenture capital fund
Gross assets$7.7M
Minimum$250K
Owners6
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 9
Delaware, United StatesVenture capital fund
Gross assets$6.9M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 17
Delaware, United StatesVenture capital fund
Gross assets$6.2M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 11
Delaware, United StatesVenture capital fund
Gross assets$5.1M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 14
Delaware, United StatesVenture capital fund
Gross assets$5.0M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Opportunities Fund, L.P. Series 3
Delaware, United StatesVenture capital fund
Gross assets$4.7M
Minimum$100K
Owners147
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 7
Delaware, United StatesVenture capital fund
Gross assets$3.0M
Minimum$250K
Owners1
AdviserSignalfire
Signalfire Opportunities Fund, L.P. - Series 8
Delaware, United StatesVenture capital fund
Gross assets$1.8M
Minimum$250K
Owners1
AdviserSignalfire
Feeder funds invest through a master fund; single-deal vehicles (SPVs, co-investments, series) hold one investment.
From SEC filings. Firm data comes from the SEC's Form ADV data. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures