# O'BRIEN CAPITAL MANAGEMENT, INC.

O'BRIEN CAPITAL MANAGEMENT, INC. of NYACK, NY is an SEC-registered investment adviser.

## Registration

- CRD: 136100
- Type: SEC-registered investment adviser
- SEC file number: 801-120981
- Location: 48 BURD STREET, STE. 209, NYACK, NY, 10960
- Phone: 845-358-4930
- Latest filing: 2026-03-27
- Regulatory AUM: $40.6M
- Discretionary AUM: $40.6M
- Clients: 1
- Accounts: 99

## Business model

- Compensation: % of AUM, Hourly, Fixed
- Clients served: Individuals, High net worth

## Officers, owners & control persons (2)

| Name | Role | Location |
| --- | --- | --- |
| [John Mathew O'Brien](https://search.stillhousedata.com/person/710444) | PRESIDENT & CHIEF COMPLIANCE OFFICER | — |
| [O'BRIEN JOHN MATHEW](https://search.stillhousedata.com/person/865914) | PRESIDENT & CHIEF COMPLIANCE OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/136100/brochure
- Similar advisers: https://search.stillhousedata.com/firm/136100/similar
- Related entities: https://search.stillhousedata.com/firm/136100/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/136100

---

Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.