Fee-only adviser · Nyack, NY
O'Brien Capital Management, Inc.
O'Brien Capital Management, Inc. is a fee-only investment adviser registered with the U.S. Securities and Exchange Commission, with its main office in Nyack, New York. On its latest Form ADV, filed March 27, 2026, it reports $41M in regulatory assets under management, 43 individual clients and 1 employee who gives investment advice. It reports no commission compensation, is not registered as a broker-dealer and does not act as an insurance agent.
Key facts from Form ADV
| Registration | SEC-registered |
|---|---|
| Firm CRD number | 136100 · SEC file 801-120981 |
| Office | 48 Burd Street Ste. 209 Nyack, NY 10960 |
| Phone | (845) 358-4930 |
| Website | www.obriencm.com |
| Regulatory assets under management | $41M |
| Individual clients | 28 non-high-net-worth, 15 high-net-worth |
| Financial planning clients | 1-10 |
| How it charges | Percentage of assets, Hourly, Fixed fee |
| Services | Financial planning, Portfolio management |
| Employees | 1 |
| Disciplinary disclosures | None reported |
| Latest Form ADV filing | March 27, 2026 |
Source: the firm’s Form ADV Part 1A as published by the SEC’s Investment Adviser Public Disclosure database, data as of November 6, 2026. Figures are self-reported by the firm.
What this means for you
- It offers hourly or fixed-fee arrangements, so you may be able to pay for a plan without handing over your investments.
- It also charges a percentage of assets managed for ongoing investment management.
- Most of its individual clients are not high-net-worth, so it is likely to work with people who are still building assets.
- It provides financial planning services, not only portfolio management.
- It reports no disciplinary history on Form ADV.
Before you hire any adviser
Read the firm’s Form ADV Part 2 brochure on its SEC record: it sets out fees, minimums, conflicts of interest and who will manage your money. Ask whether the firm acts as a fiduciary for all of your accounts, how it is paid in total, and who holds your assets. Our guide to choosing a financial adviser lists the questions to ask.
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