DFX Intelligence
Family Office Intelligence
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
A•••• S•••••••••
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342 Madison Ave, Suite 800, New York, NY 10173Single family office (probable)identity confidence 70%
Why this class: a filing by a third party describes it as a single family office (cited).
Verified Sep 16, 2026 (2 days ago)
Last observed Sep 16, 2026 · 9 observations · 3 sources
0 people · 0 investments · 0 public positions · 2 events
Identity
70
high
Data depth
25
moderate
Freshness
100
high
Active deployment
0
low
Direct investing
0
low
External managers
0
low
Private markets
0
low
Sponsor-friendly
0
low
Real estate
0
low
Co-investment
0
low
Contactability
10
low
Mandate confidence
0
low
Twelve separate dimensions, each 0 to 100 from listed components. There is no single family office score; the components are in the evidence section.
Overview
Profile completeness 16% (medium value, medium; the most valuable missing fact is direct investments)
identityclassificationwealth origincapital-scale evidencepeoplecontactsmandatedirect investmentsfund relationshipsco-investorssponsor relationshipsreal estatepublic holdingsrecent eventsprovenancefreshness
- Classification
- Single family office (probable)
- Description
- Registered business lines were making inter-dealer markets in corporate securities over-the-counter, and put/call option writing
- Headquarters
- 342 Madison Ave, Suite 800, New York, NY 10173
- Office address
- unknown
- Business phone
- unknown
- Website
- unknown
- Year established
- unknown
- Assets under management
- unknown
- Capital scale
- Reported office AUM: unknown. No public number of any kind.
Classification history
- Sep 14, 2026Single family office (probable) 70%a filing by a third party describes it as a single family office (cited)Fact
- Sep 14, 2026Candidate 25%no rule matched; held as a candidate pending researchInference
Family and wealth origin
- 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
No current professionals on the record.
Former
C••• S•••••••, Head of Research, until Dec 23, 2025
Office contact points
Investment mandate
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
No substantiated direct investment on the record. Absence here is absence of evidence, not evidence of absence.
Fund and manager relationships
No fund commitment or manager relationship on the record. Commitment amounts are shown only when public.
Public stakes and holdings
Form 13F holdings
No 13F filing on the record for this office.
Real estate
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
No co-investor on the record.
Independent sponsor relationships
No cited relationship to an independent sponsor.
Signals and timeline
Most significant first: what kind of change it is, its size, whose change it is, and how recent. 2 events. 13F position changes are under Public stakes and holdings.
- Mar 30, 2026Office discoveredA•••• S••••••••• described on SEC filings as 'family office' (10-K, 424B4, S-1)DiscoveryFactsec.gov
- Sep 14, 2026Classification changedA•••• S•••••••••: CANDIDATE_FAMILY_OFFICE -> PROBABLE_SFO (a filing by a third party describes it as a single family office (cited))c•••••••••Factno URL
Sources and evidence
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. 9 shown.
Score components
Freshness
+100 d••• s•••• t•• n••••• s••••••••• f••• o• a•••••• v••••••••• (1 days)
Contactability
+10 v••••••• b••••••• p••••• (1)
Data confidence
+10 d•••••••••
+15 i••••••••• s•••••• (3 sources)
Active deployment
no components; scored 0
Exists confidence
+30 i••••••••• s•••••• (3 sources)
+30 a•••••••••
Research priority
+15 s••••• f••••• o• f••••• i••••••••• c••••••
+5 n• d••••••••• y•• •••••••• w•••• a•• o•••
+2 n• w•••••• k•••• •••••••• w•••• f••• o•••
+0 r••• (534)
Mandate confidence
no components; scored 0
Identity confidence
+70 c••••••••• (PROBABLE_SFO (a filing by a third party describes it as a single family office (cited)))
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••••• (171 days)
External manager propensity
no components; scored 0
Direct investment propensity
no components; scored 0
Independent sponsor propensity
no components; scored 0
| Fact | Value | Effective | Source | Class |
|---|---|---|---|---|
| Description | Registered business lines were making inter-dealer markets in corporate securities over-the-counter, and put/call option writing “Broker or dealer making inter-dealer markets in corporate securities over-the-counter Yes” | Jun 28, 2007 | DFX analyst research (General-assisted, every claim URL-cited) files.brokercheck.finra.org | Fact |
| Edgar fts discovery | family office | Mar 30, 2026 | SEC EDGAR full-text search (a filing sentence that says what an entity is, quoted with its URL) sec.gov | Fact |
| Formation year | 1981 “This firm was formed in New York on 11/24/1981.” | Sep 16, 2026 | DFX analyst research (General-assisted, every claim URL-cited) files.brokercheck.finra.org | Fact |
| Headquarters | 342 Madison Ave, Suite 800, New York, NY 10173 “342 MADISON AVE. STE. 800 NEW YORK, NY 10173” | Sep 16, 2026 | DFX analyst research (General-assisted, every claim URL-cited) files.brokercheck.finra.org | Fact |
| Legal entity | A•••• S••••••••• Inc., a New York corporation, FINRA CRD #10746 / SEC #8-28060 “A•••• S••••••••• INC. Doing business as A•••• S••••••••• INC. CRD# 10746 SEC# 8-28060” | Sep 16, 2026 | DFX analyst research (General-assisted, every claim URL-cited) files.brokercheck.finra.org | Fact |
| Office type (stated) | single_family_office | Mar 30, 2026 | SEC EDGAR full-text search (a filing sentence that says what an entity is, quoted with its URL) sec.gov | Fact |
| Operating model outsourced | Provided support services to two other trading firms, R.J. Scheuer & Co. and S. Paul Posner & Co., and was reimbursed via facilities charges rather than running an independent business “APPLICANT PROVIDES SUPPORT SERVICES FOR R.J. SCHEUER & CO. AND S. PAUL POSNER & CO., AND IS REIMBURSED BY FACILITIES CHARGES.” | Jun 28, 2007 | DFX analyst research (General-assisted, every claim URL-cited) files.brokercheck.finra.org | Fact |
| Website search | not_found | Sep 16, 2026 | DFX model output (c••••••••• rules, scores, mandates, matches) no URL | Inference |
| Website search | not_found | Sep 14, 2026 | DFX model output (c••••••••• rules, scores, mandates, matches) no URL | Inference |