# Needham Advisory Corporation

> Needham Advisory Corporation is an SEC-registered investment advisory firm in North Andover, MA, registered since 2025, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated August 5, 2026.

- CRD: 105378
- Filed as: NEEDHAM ADVISORY CORPORATION
- Legal name: Needham R B Advisory Corp
- Also doing business as: NEEDHAM ADVISORY CORP., R. B. NEEDHAM ADVISORY CORP.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: North Andover, MA
- Filing period: October 2026
- Form ADV filing dated: August 5, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/105378
- AdvisorCensus page: https://advisorcensus.com/firm/needham-advisory-corporation-north-andover-ma-105378

## Quick answers

**How is Needham Advisory Corporation compensated?**
On its Form ADV (Item 5.E, October 2026), Needham Advisory Corporation reports these compensation arrangements: a percentage of assets under its management; hourly charges; fixed fees (other than subscription fees). The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Needham Advisory Corporation located?**
Needham Advisory Corporation's principal office is in North Andover, MA, according to its Form ADV.

**Is Needham Advisory Corporation registered with the SEC or a state?**
Needham Advisory Corporation is an SEC-registered investment advisory firm, registered since 2025. Status as filed: Approved. CRD 105378.

**How much does Needham Advisory Corporation manage?**
Needham Advisory Corporation reports $102,400,806 in regulatory assets under management in its Form ADV filing dated August 5, 2026 (78% discretionary).

**How have Needham Advisory Corporation's assets and staff changed since 2025?**
In the Form ADV data for Needham Advisory Corporation: Regulatory assets under management: $100,180,105 in the October 2025 data and $102,400,806 in the October 2026 data, up 2%. Total employees: 5 in October 2025 and 5 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Needham Advisory Corporation serve?**
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (111); high net worth individuals (32); charitable organizations (2).

**Which custodians does Needham Advisory Corporation use?**
Needham Advisory Corporation's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. as a custodian holding 10% or more of its separately managed account assets.

**Does Needham Advisory Corporation report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/105378

**What changed in Needham Advisory Corporation's recent Form ADV filings?**
In the September 2026 filing data: Updated its list of owners and control persons (Schedule A).

## From the Form ADV filing

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

### Custodians (Schedule D, Section 5.K(3))
- Charles Schwab & Co., Inc.

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $102,400,806
- Discretionary: $80,131,974
- Non-discretionary: $22,268,832

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 111 | $27,753,659 |
| High net worth individuals | 32 | $63,207,305 |
| 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 | 2 | $11,439,842 |
| 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 |
| Other | 0 | $0 |

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

### Firm details
- Registered since: 2025 (1 year)
- Employees: 5 total, 2 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: MA, NH, TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- [needhamadvisory.com](https://needhamadvisory.com)
- Facebook @needhamadvisory
- LinkedIn @needham-advisory

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2025 | $100,180,105 | 5 | March 27, 2025 |
| October 2026 | $102,400,806 | 5 | August 5, 2026 |

Regulatory assets under management: $100,180,105 in the October 2025 data and $102,400,806 in the October 2026 data, up 2%.
Total employees: 5 in October 2025 and 5 in October 2026.

## Changes in the filing (last 12 months)

### September 2026
- Updated its list of owners and control persons (Schedule A).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Needham Advisory Corporation (CRD 105378): Form ADV filing data as of October 2026.