Earth Foundry Management, LP

Venture studioSEC exempt reporting adviserEmerging managerClassification probableearthfoundry.com

Venture capital fueling visionary teams and breakthrough innovations in energy, mobility, waste, water, agriculture, and infrastructure.

In the firm's own words, from its website.

Reported fund assets
$36.5M
sum of its funds' Form ADV filings, last 30 months
New companies, 12 mo
None
Investment team
2
Latest vintage
2023
Contact decision makers
More
Ask DFX about thisView relationshipsFind contactsInvestments (17)Team (3)Funds
As of · the latest observation of this organization; filed figures are as of its latest Form ADV

16 additional co-investors and affiliates, 14 additional investments, funds and LPs, 1 verified contact (1 firm phone)

Every relationship, signal and contact on this record, with the source on each.

Includes 3 days of DFX Intelligence. Then $199/month unless canceled.

What matters now

  1. 2 vehicles
    new on Form ADV, 12 months

    2 new vehicles first reported on Form ADV in 12 months, the latest Iseifoundation, LP a on 12 Sep 2026.

    A vehicle reported for the first time is a new fund in the adviser's own filing.

    FactSEC Form ADV Schedule DFor LPs, placement agentsFunds →
  2. 2 deals
    with Hyde Park Angels

    Invests most often alongside Hyde Park Angels (2 shared deals) and City Light Capital Management III (2 shared deals).

    pair last observed on record 30 Sep 2026, not a deal date · The firms it syndicates with are the likeliest to see the same deals and to fill out its rounds.

    Measuredshared rounds and portfolio companies on recordFor Founders building a round, co-investorsCo-investors →

People to know

View all people
  • Jason Blumberg
    Limited Partner
    Why: Partner: part of the investment decision
    No route on file yet
  • Sara Chamberlain
    Limited Partner
    Why: Partner: part of the investment decision
    No route on file yet

Relationship network

42 connected entities2 observed rounds1 repeat counterparty

From financing rounds and every investor named in them, Form ADV and Form D filings, the firm's funds and team, and disclosed LP commitments in the venture capital graph. A round's amount is the size of the round, not money that moved between two investors.

Some relationships on this record are counted rather than named here. They open with the full profile.

Click any name or line for the rounds and sources behind it. Line weight is rounds together; dashed lines are inferred.

Reading the network
  • Sponsor
  • Company
  • Fund or vehicle
  • Person

Co-investors are read from the rounds: three or more shared rounds is a strong observed relationship, two a repeat co-investor, one a single round. Funds and people are structural. Nothing is scored that a reader cannot check.

Darker lines were active in the last 24 months or are current; lighter lines are older or undated.

How am I connected?

Name your firm, a company or a person, and DFX finds the published routes to Earth Foundry Management, LP: a shared portfolio company or board, a prior employer, a co-investor, a shared LP or service provider. Every step is a filed or published record with its source; none is a guess about who knows whom.

See how you connect to Earth Foundry Management, LP

Includes 3 days of DFX Intelligence. Then $199/month unless canceled.

Investing

17 companies on record, 0 new in 12 months
Investments on record
17 companies, 2 partner-attributed
CompanyRoundRolePartnerRound sizeThis investorDateSource
Atlasportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Firm website
Dragosportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Firm website
E Zincportfolio listingunknownunknownunknownunknownSep 16, 2026Fact Firm website
Stated thesis versus observed behaviour
18 observed deals
Stated (the firm’s website)
Sectors
ai, energy, hardware, logistics, agtech
Stages
not stated or not yet read
Geography
not stated
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 94%Other 6%
lead rate no observed dealsfollow-on rate 100%new companies, 12 months 0

Team

3 current, 0 departed
Decision makers
who to call first, and why; then everyone else by function
  • Jason Blumberg · Limited Partner
    Why this person: Partner: part of the investment decision; Named with investment responsibility
  • Sara Chamberlain · Limited Partner
    Why this person: Partner: part of the investment decision; Named with investment responsibility
Who else at this firm · 1 person, grouped by function
Also on record (1)
  • Adam Wallen · Approach Portfolio
    Why this person: Approach Portfolio at the firm

Ranked by the role the firm or its filing states, a route on file and deals led. Every reason is read from the record, never inferred. Routes are published by the person or the firm (their bio, the team page or a filing) and are revealed on a plan; data bought from a provider is never shown, and a route printed at a firm the person has since left is held back.

Investment team
3 current, 0 departed
Contacts
1 firm phone

1 firm phone on record, each with its source. Values open with the complete profile.

Funds and LPs

3 vehicles, 0 LPs disclosed
Funds and vehicles
3 reported
VehicleTypeVintageLifecycleReported GAVOwnersForm D soldLatest Form D
Earth Foundry II, LPFund2023 form d first saleActive deployment$11.4M
Sep 12, 2026
6$12.1M
of $100M
Aug 29, 2024
Iseifoundation, LP aFundunknownUnknown$14.3M
Sep 12, 2026
1$0
of $14.3M
Aug 30, 2023
Iseifoundation, LP BFundunknownUnknown$10.8M
Sep 12, 2026
1$0
of $10.8M
Aug 30, 2023
Limited partners
0 LPs, 0 disclosed commitments
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.
Known LPs and allocators
0 relationships across the firm's funds, from public pensions and the allocator graph
No allocator names this firm or its funds in a public disclosure DFX holds.

Relationships across DFX

19 co-investors
Co-investors
19 counted from shared deals, for the whole firm

Evidence and history

3 dated events, 27 observations from 3 sources
Timeline
3 dated events
  1. Sep 12, 2026
    Iseifoundation, LP B first reported on Form ADV by Earth Foundry Management, LP, GAV $10,750,000
    Fund first reported on Form ADVFundsFactIseifoundation, LP BForm ADV
  2. Sep 12, 2026
    Iseifoundation, LP a first reported on Form ADV by Earth Foundry Management, LP, GAV $14,324,351
    Fund first reported on Form ADVFundsFactIseifoundation, LP aForm ADV
  3. Feb 24, 2025
    Earth Foundry Management, LP appears on the SEC adviser roster (ERA)
    First SEC adviser filingOrganizationFactForm ADV
Identity and regulatory footprint
Address, phone, Form ADV filing and ownersForm ADV filed Mar 30, 2026 · 3 private fundsShow
Headquarters
unknown
Office address
unknown
Business phone
unknownadviserinfo.sec.gov
Website
earthfoundry.com
SEC adviser type
Exempt reporting adviseradviserinfo.sec.gov
SEC exemption claimed
Private fund adviseradviserinfo.sec.gov
Latest Form ADV
Mar 30, 2026
Private funds reported
3 (2 venture capital funds)adviserinfo.sec.gov
Private fund gross assets, adviser total
$36.5Madviserinfo.sec.govreported GAV of the funds, the adviser's own number; not fund size, not dry powder
Owners on Schedule A
Earth Foundry Management, LLC (General Partner), owns 25% to 50%
Classification history
Every classification this record has carried1 on recordShow
  1. Sep 12, 2026
    Venture studio (probable, 80%)
    Name or self-description says studio or venture builder
Evidence
27 observations from 3 sources
Every observation behind this profile, with its source, date and class
FactValueEffectiveClassSource
Why admittedVC funds reportedMar 30, 2026FactForm ADV
SEC exemption claimedPrivate fund adviserMar 30, 2026FactForm ADV
SEC adviser typeExempt reporting adviserMar 30, 2026FactForm ADV
Latest Form ADV filing2026-03-30Mar 30, 2026FactForm ADV
Adv pdf loadedadv-pdf-1Sep 12, 2026FactForm ADV
SEC statusERA - ActiveMar 30, 2026FactForm ADV
SEC status effective2025-02-24Mar 30, 2026FactForm ADV
Business phoneMar 30, 2026FactForm ADV
Contact page urlSep 16, 2026Factno URL
DescriptionSep 16, 2026Factno URL
DescriptionSep 15, 2026Factno URL
Self-described typeVenture capitalSep 16, 2026Factno URL
Self-described typeVenture capitalSep 15, 2026Factno URL
Legal formLimited PartnershipMar 30, 2026FactForm ADV
Other funds reported1Mar 30, 2026FactForm ADV
Portfolio pageSep 16, 2026Factno URL
Portfolio pageSep 15, 2026Factno URL
Private funds reported3Mar 30, 2026FactForm ADV
Private fund gross assets (reported)$36.5MMar 30, 2026FactForm ADV
Stated sectorsAI, energy, hardware, logistics, agtech
“sector words on the home page”
Sep 16, 2026Factno URL
Stated sectorsAI, energy, hardware, logistics, agtech
“sector words on the home page”
Sep 15, 2026Factno URL
Team pageSep 16, 2026Factno URL
Team pageSep 15, 2026Factno URL
Venture funds reported2Mar 30, 2026FactForm ADV
WebsiteMar 30, 2026FactForm ADV
Site titleSep 16, 2026Factno URL
Site titleSep 15, 2026Factno URL
How this is scored
Scores, classification basis and filing advisersVenture studio, probableShow
Importance
28
moderate
Active deployment
25
moderate
Emerging
80
high
Freshness
92
high
Venture studio · probableSEC exempt reporting adviser

Name or self-description says studio or venture builder

The inputs behind each score
importance
gav: $0 · funds: 0.25 · people: 0.08 · investments: 0.47 · co investors: 0.52
active deployment
investments 12m: 0 · fund raising 18m: 0 · people joined 12m: 0 · vintage within 3y: 1 · latest investment at: not scored
emerging manager
fund count: 3 · reported gav: $36.5M · first adv filing: 2025-02-24 · years since first filing: 1.6

Fits, record history and connections

scored matches for this investor, every identity change, every edge

Record history

1 dated event on the change ledger, latest event first
  • Adviser's first ADV filing
    2025-02-24source on record

The ledger records every merge, rename and reclassification this record went through and the dated filings observed on it, so the identity on this page can be traced to the records it was built from. The ledger's own sentences name other records, so they show with the names.