Amberstone
San Francisco, CA · CRD 316613
Venture capital managerExempt reporting
Amberstone is an exempt reporting adviser based in San Francisco, CA that reports managing 9 private funds on Form ADV, including 9 venture capital funds. Its private funds hold $172.9 million in gross assets.
- Regulatory assets under management
- —Form ADV Item 5.F
- Gross assets of private funds
- $172.9 millionAll private fund types, Form ADV
- Private funds managed
- 9PE 0 · VC 9 · hedge 0
- Employees
- —Form ADV Item 5.A
- Registration
- Exempt reporting adviserCRD 316613
- Latest Form ADV
- 03/25/2026Disciplinary disclosures: none reported
Venture capital funds filing Form D (1)
Fund
First sale
Raised
Investors
Minimum
Offering
Amberstone Fund II, L.P.
San Francisco, CAEmerging
First saleFeb 2023
Raised$23.2M
Investors35
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 (7)
Fund
Gross assets
Minimum
Owners
Adviser
Amberstone Ventures Fund I LP
Delaware, United StatesVenture capital fund
Gross assets$50.1M
Minimum$20K
Owners88
AdviserAmberstone
Amberstone Fund II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$21.6M
MinimumNone set
Owners35
AdviserAmberstone
Amberstone Affiliates IV, LLC
Delaware, United StatesVenture capital fund
Gross assets$3.3M
MinimumNone set
Owners12
AdviserAmberstone
Amberstone Affiliates V, LLC
Delaware, United StatesVenture capital fund
Gross assets$1.3M
MinimumNone set
Owners9
AdviserAmberstone
Amberstone Affiliates III, LLC
Delaware, United StatesVenture capital fund
Gross assets$871K
MinimumNone set
Owners8
AdviserAmberstone
Amberstone Affiliates I, LLC
Delaware, United StatesVenture capital fund
Gross assets$623K
Minimum$2K
Owners27
AdviserAmberstone
Amberstone Affiliates II, LLC
Delaware, United StatesVenture capital fund
Gross assets$504K
Minimum$500K
Owners1
AdviserAmberstone
As reported in the adviser's Form ADV filed Mar 18, 2024. Funds also listed from Form D are shown above.
Fund vehicles: feeder funds and single-deal vehicles (1)
Fund
Gross assets
Minimum
Owners
Adviser
Amberstone Affiliates LLC - Series Bn 2023
Delaware, United StatesVenture capital fund
Gross assets$0
MinimumNone set
Owners3
AdviserAmberstone
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