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.
F••••• M••••••••• G•••• L••
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Why this class: in-care-of organisation on 3 private foundation(s) with $6,818,647 in assets (IRS); could be the family's investment company, its manager or its accountant.
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.
Overviewshow
- Classification
- Candidate
- Description
- unknown
- Headquarters
- Waltham, MA
- Office address
- unknown
- Business phone
- unknown
- Website
- unknown
- Year established
- unknown
- Assets under management
- unknown
- Foundation assets (IRS)
- $8.5M across 3 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 $8.5M. These are different facts and are never added together.
- Sep 12, 2026Candidate 50%in-care-of organisation on 3 private foundation(s) with $6,818,647 in assets (IRS); could be the family's investment company, its manager or its accountantInference
- Sep 12, 2026Candidate 50%in-care-of organisation on 3 private foundation(s) with $6,818,647 in assets (IRS); could be the family's investment company or its accountantInference
Family and wealth originshow
- Family served
- W••••• family
- Source of wealth
- unknown
- Operating company origin
- unknown
Teamshow
Investment mandateshow
- Invests directly
- unknown
- Allocates to managers
- unknown
- Asset classes
- unknown
- Sectors
- unknown
- Geography
- unknown
- Check size
- unknown
Direct investmentsshow
Fund and manager relationshipsshow
Funds held by the family's private foundation, from its Form 990-PF: the foundation reports each fund by name with its fair value. They are the foundation's holdings, never an amount the office itself committed.
| Fund | Manager | Held through | Foundation's fair value | Period | Basis |
|---|---|---|---|---|---|
| G• T••••••• T••• O•••••• F••• | GS T••••••• T••• O•••••• | W••••••• F•• C••••••••• F••••••••• 1••••••• | $77,759 | Dec 31, 2024 | Inference foundation tied to the office apps.irs.gov |
Public stakes and holdingsshow
Real estateshow
Co-investorsshow
Independent sponsor relationshipsshow
Related entities3show
Signals and timeline3show
Most significant first: what kind of change it is, its size, whose change it is, and how recent. 3 events. 13F position changes are under Public stakes and holdings.
- Sep 12, 2026Office discoveredF••••• Management Group named as in-care-of on W••••••• F•• C••••••••• F••••••••• 1••••••• ($6,662,030 in assets)DiscoveryInferenceapps.irs.gov
- Dec 31, 2023Foundation added a fundW••••••• F•• C••••••••• F••••••••• 1••••••• first reports G• T••••••• T••• O•••••• F••• at $0.1M on its 2023-12-31 returnFoundationFactapps.irs.gov
- Dec 31, 2023Foundation officer joinedROBERT J WEISSMAN (TRUSTEE) appears on W••••••• F•• C••••••••• F••••••••• 1•••••••'s 2023-12-31 returnFoundationFactapps.irs.gov
Sources and evidence7show
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. 7 shown.
Score components
| Fact | Value | Effective | Source | Class |
|---|---|---|---|---|
| Family served | W••••• family | n/a | DFX model output (c••••••••• rules, scores, mandates, matches) no URL | Inference |
| Family served | W••••• family | n/a | DFX model output (c••••••••• rules, scores, mandates, matches) no URL | Inference |
| Foundation ico signal | G••••• C••••••••• F••••••••• | Jun 1, 2025 | IRS Form 990-PF private foundation filings (e-file index and Exempt Organizations BMF) apps.irs.gov | Fact |
| Foundation ico signal | W••••• F••••• C••••••••• F••••••••• | Apr 1, 2025 | IRS Form 990-PF private foundation filings (e-file index and Exempt Organizations BMF) apps.irs.gov | Fact |
| Foundation ico signal | W••••••• F•• C••••••••• F••••••••• 1••••••• | Dec 1, 2024 | IRS Form 990-PF private foundation filings (e-file index and Exempt Organizations BMF) apps.irs.gov | Fact |
| Website search | not_found | Sep 16, 2026 | DFX model output (c••••••••• rules, scores, mandates, matches) no URL | Inference |
| Website search | not_found | Sep 12, 2026 | DFX model output (c••••••••• rules, scores, mandates, matches) no URL | Inference |