A continuously maintained graph of U.S. family offices: identity, team, observed investments, public holdings, relationships and dated signals of change. Facts, inferences and estimates are labelled as such, with the source and the date, on every row. Unknown is printed as unknown.

Family office profile

G••••••• F••••• O•••••

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Lexington, MACandidateidentity confidence 50%

Why this class: named as the family office administering 2 private foundation(s) with $2,343,648 in assets (IRS in-care-of); one family or several is unread.

Not yet hand-verified
Last observed Sep 13, 2026 · 3 observations · 2 sources
0 people · 0 investments · 0 public positions · 4 events
This entity is a candidate. One public signal put it on the graph (named as the family office administering 2 private foundation(s) with $2,343,648 in assets (IRS in-care-of); one family or several is unread); it is not counted as a confirmed family office and nothing below should be read as saying it is one.

Each reading is 0 to 100 from the listed components in the evidence section; hover a tile for what it measures. No evidence yet of: direct investing, external managers, private markets, sponsor-friendly, real estate, co-investment.

Overview
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Profile completeness 9% (low value, unresolved; the most valuable missing fact is classification)
identityclassificationwealth origincapital-scale evidencepeoplecontactsmandatedirect investmentsfund relationshipsco-investorssponsor relationshipsreal estatepublic holdingsrecent eventsprovenancefreshness
Classification
Candidate
Description
unknown
Headquarters
Lexington, MA
Office address
unknown
Business phone
unknown
Website
unknown
Year established
unknown
Assets under management
unknown
Foundation assets (IRS)
$2.8M across 2 related private foundations, per the IRS master file; the foundation's assets, not the office'sFact
Capital scale
Reported office AUM: unknown. Related foundation assets $2.8M. These are different facts and are never added together.
Classification history
  • Sep 13, 2026Candidate 50%named as the family office administering 2 private foundation(s) with $2,343,648 in assets (IRS in-care-of); one family or several is unreadInference
  • Sep 12, 2026Single family office (probable) 65%named as the family office administering 2 private foundation(s) with $2,343,648 in assets (IRS in-care-of)Inference
Family and wealth origin
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Family served
unknown
Source of wealth
unknown
Operating company origin
unknown

Not on the record yet. Family and wealth-origin claims are written only from cited public sources.

Team
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No current professionals on the record.
Investment mandate
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Stated (their words, cited)
No cited statement of mandate on the record.
Observed (from the investment record)
No investments on the record yet, so nothing is observed.
Inferred (regulatory shape and team)
Nothing to infer from.
Invests directly
unknown
Allocates to managers
unknown
Asset classes
unknown
Sectors
unknown
Geography
unknown
Check size
unknown
Direct investments
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No substantiated direct investment on the record. Absence here is absence of evidence, not evidence of absence.
Fund and manager relationships
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No fund commitment or manager relationship on the record. Commitment amounts are shown only when public.
Public stakes and holdings
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Form 13F holdings
No 13F filing on the record for this office.
Real estate
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No documented real estate ownership link. A property is attributed to an office only through a documented control relationship, never from a surname.
Co-investors
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No co-investor on the record.
Independent sponsor relationships
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No cited relationship to an independent sponsor.
Related entities
2show
Signals and timeline
4show

Most significant first: what kind of change it is, its size, whose change it is, and how recent. 4 events. 13F position changes are under Public stakes and holdings.

  • Sep 13, 2026Classification changedG••••••• F••••• O•••••: PROBABLE_SFO -> CANDIDATE_FAMILY_OFFICE (named as the family office administering 2 private foundation(s) with $2,343,648 in assets (IRS in-care-of); one family or several is unread)c•••••••••Inferenceno URL
  • Sep 12, 2026Office discoveredG••••••• F••••• O••••• named as in-care-of on R••••• a•• L••••• G••••••••• I•• ($1,283,165 in assets)DiscoveryInferenceapps.irs.gov
  • May 31, 2024Foundation officer joinedL SETH STADFELD (TRUSTEE) appears on M••••• a•• M•• R••••••••• F••••• F•••••••••'s 2024-05-31 returnFoundationFactapps.irs.gov
  • May 31, 2024Foundation officer leftLSETH STADFELD (TRUSTEE) is no longer on M••••• a•• M•• R••••••••• F••••• F•••••••••'s 2024-05-31 returnFoundationFactapps.irs.gov
Sources and evidence
3show

Every observation behind this profile: the value, when it was effective, the source, the quote where there is one, and whether it is a fact, an inference or an estimate. 3 shown.

Score components
Freshness
+25 d••• s•••• t•• n••••• s••••••••• f••• o• a•••••• v••••••••• (203 days)
Contactability
no components; scored 0
Data confidence
+10 i••••••••• s•••••• (2 sources)
Active deployment
no components; scored 0
Exists confidence
+20 i••••••••• s•••••• (2 sources)
Research priority
+2 c•••••• s•••• ••••••• o• 1••• R•••• A••• f••••••••• a•••••• ($2,770,192)
+3 c••••••••• i••••••• u•••••••••
+5 n• d••••••••• y•• •••••••• w•••• a•• o•••
+2 n• w•••••• k•••• •••••••• w•••• f••• o•••
+0 r••• (1799)
Mandate confidence
no components; scored 0
Identity confidence
+50 c••••••••• (CANDIDATE_FAMILY_OFFICE (named as the family office administering 2 private foundation(s) with $2,343,648 in assets (IRS in-care-of); one family or several is unread))
Real estate propensity
no components; scored 0
Co investment propensity
no components; scored 0
Family identity confidence
no components; scored 0
Private markets propensity
no components; scored 0
Current activity confidence
+25 a• s••••••••• f••• w••••• 1• m••••• (203 days)
External manager propensity
no components; scored 0
Direct investment propensity
no components; scored 0
Independent sponsor propensity
no components; scored 0
FactValueEffectiveSourceClass
Foundation ico signalR••••• a•• L••••• G••••••••• I••Mar 1, 2026IRS Form 990-PF private foundation filings (e-file index and Exempt Organizations BMF) apps.irs.govFact
Foundation ico signalM••••• a•• M•• R••••••••• F••••• F•••••••••May 1, 2025IRS Form 990-PF private foundation filings (e-file index and Exempt Organizations BMF) apps.irs.govFact
Website searchnot_foundSep 12, 2026DFX model output (c••••••••• rules, scores, mandates, matches) no URLInference