Firms, funds, partners, companies and rounds from sworn filings, firm sites and announcements, kept as a graph with a date and a source on every edge. Facts, inferences and estimates are labelled as such. A fund target is never a close, GAV is never dry powder, and a round size is never an investor’s check.

Firms / 25madison Ventures Management Company, LLC

25madison Ventures Management Company, LLC

Micro VCNew York, NY25madison.comSEC venture capital fund adviser

25madison builds and invests in businesses through studio, venture and buyout strategies. We focus on AI modernization of legacy companies.

venture manager, reported GAV $45.5M across 2 vehicles

Importance
28
moderate
Active deployment
55
elevated
Emerging
0
low
Completeness
75
high
Freshness
100
high
Research priority
17
moderate
Identity and regulatory footprint
Headquarters
New York, NYadviserinfo.sec.gov
Office address
817 BROADWAY FL. 7, New York, NY, 10003-4720adviserinfo.sec.gov
Business phone
(917) 808-4200adviserinfo.sec.gov
SEC adviser type
exempt reporting adviseradviserinfo.sec.gov
SEC exemption claimed
venture capital fund adviseradviserinfo.sec.govItem 2.B(1): advises solely venture capital funds
Latest Form ADV
Mar 31, 2026
Private funds reported
1 (1 venture capital funds)adviserinfo.sec.gov
Private fund gross assets
$45.5Madviserinfo.sec.govreported GAV of the funds, the adviser's own number; not fund size, not dry powder
business email
team@25madison.com25madison.compublished by the subject
business phone
(917) 808-4200adviserinfo.sec.govpublished by the subject
Stated thesis versus observed behaviour
11 observed deals
Stated (the firm’s website)
Sectors
ai
Stages
early
Geography
miami, new york
Check size
not stated; DFX does not estimate checks from round sizes
Self-described
venture capital
Observed (from deals on record)
Stage at participation: no observed deals yet
Stage at first entry: no observed deals yet
Sectors
unknown 100%
lead rate n/afollow-on rate n/anew logos, 12 months 11
Funds and vehicles
2 reported
VehicleTypeVintageLifecycleReported GAVOwnersForm D soldLatest Form D
25M Health Ventures Fund I, L.P.Fund2023 form d first saleActive deploymentunknownunknown$18.0M
of $35.0M
Jul 2, 2024
25madison Ventures Fund I, L.P.Fund2022 form d first saleActive deployment$45.5M
Mar 25, 2024
46$34.0M
of $80.0M
Oct 14, 2022
GAV is the gross asset value the adviser reported on Form ADV for the vehicle, never the fund’s committed size and never dry powder. Form D sold is the amount sold as of the latest filing, never a final close.
Investment team
39 current, 1 departed
Gary Ginsberg
Co-Founder, Member, Board of Directors, 25madison
Founder or executive
Kirk Posmantur
Chief Partnership Officer, Board Member, Founder
Founder or executive
Max Neuberger
Founder and Publisher at Level Three Labs (publications include The Circuit, JI and EJP)
Founder or executive
Michael Lynton
Chairman of the Board, Warner Music Group
Founder or executive
Jordan Levy
Managing Partner, SoftBank Capital NY
Managing partner
Anna Vardanyan
Executive Assistant & Office Manager
Platform and operations
Roy Timor
Principal AI Engineering Manager
Platform and operations
1 departed (kept with end dates)
  • Justine Lee · Managing Member · Apr 1, 2022 to Mar 31, 2023 Inference
Investments on record
11 edges, 11 companies, 0 partner-attributed
CompanyRoundRolePartnerRound sizeThis investorDateSource
Basaltportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Creature Co.portfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Eonhealthportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Handspringhealthportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Hut 8portfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
M7 Healthportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Paxtonportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Recourseportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Siftportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
Silklineportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
SNSEportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
“This investor” is the amount disclosed for this investor alone; it is unknown unless a source said it. The round size is the whole round.
Co-investors
8 relationships from shared deals, counted for the whole firm
Limited partners
0 disclosed
No LP commitment on record. An LP edge needs a public disclosure with a quote: a pension report (see Limited partners for the plans read), a fund announcement naming the LP, or a Form ADV owner. The fund page carries the LP’s reported performance.
Timeline
4 dated events
  1. Mar 31, 2023
    Justine Lee (Managing Member) no longer on Schedule A of 25madison Ventures Management Company, LLC
  2. Nov 1, 2022
    Fannie Chen joined Schedule A of 25madison Ventures Management Company, LLC as Managing Member
  3. Jul 8, 2022
    25madison Ventures Management Company, LLC first filed Form ADV (ERA, venture capital fund adviser exemption)
  4. Jul 8, 2022
    25madison Ventures Fund I, L.P. first reported on Form ADV by 25madison Ventures Management Company, LLC (Venture Capital Fund), GAV $38,500,000
Classification history
  1. Sep 12, 2026
    Micro VC (confirmed, 95%, cls-1)
    venture manager, reported GAV $45.5M across 2 vehicles
  2. Sep 12, 2026
    Micro VC (confirmed, 95%, cls-1)
    venture manager, reported GAV $45.5M across 1 vehicles
Evidence
47 observations from 3 sources
Every observation behind this profile, with its source, date and class
FactValueEffectiveClassSource
Why admittedvc_exemption,vc_funds_reportedMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC exemption claimedventure_capital_fund_adviserMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC exemption claimedventure_capital_fund_adviserMar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
SEC adviser typeexempt_reporting_adviserMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC adviser typeexempt_reporting_adviserMar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
First Form ADV filing2022-07-08Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Adv history loadedadv-hist-1Sep 12, 2026FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Latest Form ADV filing2026-03-31Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Latest Form ADV filing2024-03-25Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
SEC statusERA - ActiveMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC status effective2022-07-08Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Venture share of reported funds1Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Business phone(917) 808-4200Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Business phone(917) 808-4200Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Description25madison builds and invests in businesses through studio, venture and buyout strategies. We focus on AI modernization of legacy companies.
meta description
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Description25madison builds and invests in businesses through studio, venture and buyout strategies. We focus on AI modernization of legacy companies.
meta description
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
HeadquartersNew York, NYMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
HeadquartersNew York, NYMar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Office address817 BROADWAY FL. 7, New York, NY, 10003-4720Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Office address817 BROADWAY FL. 7, New York, NY, 10003-4720Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Self-described typeventure_capital
VENTURE FUND
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Self-described typeventure_capital
VENTURE FUND
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Legal formLimited Liability CompanyMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Legal formLimited Liability CompanyMar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Portfolio pagehttps://www.25madison.com/portfolio
11 entries read
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Portfolio pagehttps://www.25madison.com/portfolio
11 entries read
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Private funds reported1Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Private funds reported1Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Private fund gross assets (reported)$45.5MMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Private fund gross assets (reported)$45.5MMar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Stated geographymiami,new york
geography words on the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated geographymiami,new york
geography words on the home page
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated sectorsai
sector words on the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated sectorsai
sector words on the home page
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated stagesearly
stage words on the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated stagesearly
stage words on the home page
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Team pagehttps://www.25madison.com/team
36 name/title pairs read
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Team pagehttps://www.25madison.com/team
36 name/title pairs read
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Venture funds reported1Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Venture funds reported1Mar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Websitehttps://25madison.comMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Websitehttps://25madison.comMar 25, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Site title25madison - Bringing Applied AI to Legacy Industries
title tag
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Site title25madison - Bringing Applied AI to Legacy Industries
title tag
Sep 15, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)