Matter Family Office key facts
- Matter Family Office is a family office based in St. Louis, MO with 1 tracked portfolio company.
- Notable positions include DDM Systems.
- The team roster lists 21 people.
Matter Family Office portfolio at a glance
1 portfolio company is on record for Matter Family Office: DDM Systems.
Matter Family Office team
21 people are on record at Matter Family Office: 12 partners, 7 managing partners and 2 others. Senior names include Andrew Sebastian (Managing Director), Erin McCloskey (Managing Director) and Justin Thompson (Managing Director). 21 of them have a verified direct contact on file.
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Matter Family Office at the SEC
Form ADV · 2026-03 · CRD 106806- Regulatory AUM
- —
- Private fund assets
- $151.0M
- Private funds
- 1 · 1 other
- Staff
- 55
- Registered office
- ST LOUIS, MO
- SEC status
- Approved
Source: SEC Investment Adviser Public Disclosure, Form ADV (registered as MATTER, LLC).
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Portfolio
1 companies · priced for members| Company | Industry | Valuation | First invested | Role |
|---|---|---|---|---|
| DDM Systems | — | ▮ | ▮ | ▮ |
All 1 companies — valuations, dates and lead flags are a member feature Membership and data by Private Market View | ||||
Team
21 people on record — 21 with verified contacts
Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.
Frequently asked about Matter Family Office
- What companies does Matter Family Office invest in?
- Matter Family Office has 1 recorded portfolio companies, including DDM Systems.