AltMountain

Firstmark Capital, LLC

New York, NY · CRD 162883
Venture capital managerExempt reporting

Firstmark Capital, LLC is an exempt reporting adviser based in New York, NY that reports managing 20 private funds on Form ADV, including 20 venture capital funds. Its private funds hold $5.0 billion in gross assets.

Regulatory assets under management
—Form ADV Item 5.F
Gross assets of private funds
$5.0 billionAll private fund types, Form ADV
Private funds managed
20PE 0 · VC 20 · hedge 0
Employees
—Form ADV Item 5.A
Registration
Exempt reporting adviserCRD 162883
Latest Form ADV
03/31/2026Disciplinary disclosures: none reported

Venture capital funds filing Form D (2)

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 (20)

Fund
Gross assets
Minimum
Owners
Adviser
Firstmark Capital III, L.P.
Delaware, United StatesVenture capital fund
Gross assets$743M
Minimum$100K
Owners51
AdviserFirstmark Capital, LLC
Firstmark Capital IV, L.P.
Delaware, United StatesVenture capital fund
Gross assets$537M
MinimumNone set
Owners47
AdviserFirstmark Capital, LLC
Firstmark Capital VI, L.P.
Delaware, United StatesVenture capital fund
Gross assets$506M
Minimum$75K
Owners270
AdviserFirstmark Capital, LLC
Firstmark Capital of IV, L.P.
Delaware, United StatesVenture capital fund
Gross assets$505M
Minimum$75K
Owners270
AdviserFirstmark Capital, LLC
Firstmark Capital V, L.P.
Delaware, United StatesVenture capital fund
Gross assets$478M
MinimumNone set
Owners110
AdviserFirstmark Capital, LLC
Firstmark Capital of II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$393M
MinimumNone set
Owners48
AdviserFirstmark Capital, LLC
Firstmark Capital II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$347M
Minimum$50K
Owners54
AdviserFirstmark Capital, LLC
Firstmark Capital I, L.P.
Delaware, United StatesVenture capital fund
Gross assets$344M
Minimum$100K
Owners36
AdviserFirstmark Capital, LLC
Firstmark Capital of III, L.P.
Delaware, United StatesVenture capital fund
Gross assets$231M
MinimumNone set
Owners112
AdviserFirstmark Capital, LLC
Firstmark Capital J1, L.P.
Delaware, United StatesVenture capital fund
Gross assets$105M
MinimumNone set
Owners1
AdviserFirstmark Capital, LLC
Firstmark Capital of I, L.P.
Delaware, United StatesVenture capital fund
Gross assets$78.5M
Minimum$50K
Owners40
AdviserFirstmark Capital, LLC
Firstmark Capital R1, LP
Delaware, United StatesVenture capital fund
Gross assets$50.6M
MinimumNone set
Owners15
AdviserFirstmark Capital, LLC
FMM R1, Limited Partnership
Delaware, United StatesVenture capital fund
Gross assets$30.5M
MinimumNone set
Owners1
AdviserFirstmark Capital, LLC
Firstmark Capital of IV-F, L.P.
Delaware, United StatesVenture capital fund
Gross assets$12.0M
MinimumNone set
Owners31
AdviserFirstmark Capital, LLC
Firstmark Capital VI-F, L.P.
Delaware, United StatesVenture capital fund
Gross assets$12.0M
MinimumNone set
Owners31
AdviserFirstmark Capital, LLC
Firstmark Capital V-F, L.P.
Delaware, United StatesVenture capital fund
Gross assets$8.2M
MinimumNone set
Owners18
AdviserFirstmark Capital, LLC
Firstmark Capital III Entrepreneurs Fund, L.P.
Delaware, United StatesVenture capital fund
Gross assets$8.2M
Minimum$100K
Owners17
AdviserFirstmark Capital, LLC
Firstmark Capital IV-F, L.P.
Delaware, United StatesVenture capital fund
Gross assets$7.5M
MinimumNone set
Owners18
AdviserFirstmark Capital, LLC
Firstmark Capital of II-F, L.P.
Delaware, United StatesVenture capital fund
Gross assets$6.6M
MinimumNone set
Owners16
AdviserFirstmark Capital, LLC
Firstmark Capital of III-F, L.P.
Delaware, United StatesVenture capital fund
Gross assets$5.4M
MinimumNone set
Owners18
AdviserFirstmark Capital, LLC

As reported in the adviser's Form ADV filed Apr 4, 2024. Funds also listed from Form D are shown above.

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