# O'Brien Asset Management

> O'Brien Asset Management is a state-registered investment advisory firm, registered since 2007, reporting $25 million to $100 million in regulatory assets under management in its Form ADV filing dated March 31, 2026.

- CRD: 144502
- Filed as: O'BRIEN ASSET MANAGEMENT
- Legal name: O'Brien Asset Management LLC
- Registration: State-registered investment adviser (status as filed: APPROVED)
- Location: Registered in Maine
- Filing period: October 2026
- Form ADV filing dated: March 31, 2026
- Public record (IAPD): https://adviserinfo.sec.gov/firm/summary/144502
- AdvisorCensus page: https://advisorcensus.com/firm/o-brien-asset-management-144502

## Quick answers

**How is O'Brien Asset Management compensated?**
On its Form ADV (Item 5.E, October 2026), O'Brien Asset Management reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees).

**Is O'Brien Asset Management registered with the SEC or a state?**
O'Brien Asset Management is a state-registered investment advisory firm, registered since 2007. Status as filed: APPROVED. CRD 144502.

**How much does O'Brien Asset Management manage?**
O'Brien Asset Management reports $34,295,137 in regulatory assets under management in its Form ADV filing dated March 31, 2026 (97% discretionary).

**What types of clients does O'Brien Asset Management serve?**
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (31); high net worth individuals (11).

**Does O'Brien Asset Management report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's public record on IAPD: https://adviserinfo.sec.gov/firm/summary/144502

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Fixed fees (other than subscription fees)

### Regulatory assets under management (Item 5.F)
- Total: $34,295,137
- Discretionary: $33,189,170
- Non-discretionary: $1,105,967

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 31 | $19,220,296 |
| High net worth individuals | 11 | $15,074,841 |
| Banking or thrift institutions | 0 | $0 |
| Investment companies | 0 | $0 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 0 | $0 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 0 | $0 |
| Charitable organizations | 0 | $0 |
| State or municipal government entities (including government pension plans) | 0 | $0 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | 0 | $0 |
| Corporations or other businesses not listed above | 0 | $0 |
| Other | 0 | $0 |

### Advisory services (Item 5.G)
- Financial planning services
- Portfolio management for individuals and/or small businesses

### Firm details
- Registered since: 2007 (19 years)
- Employees: 1 total, 1 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: ME
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- obrienam.com

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. O'Brien Asset Management (CRD 144502): Form ADV filing data as of October 2026.