State-registered independent wealth management RIA
Post Oak Investment Management, Inc
As of its Form ADV filed March 29, 2026, Post Oak Investment Management, Inc, a state-registered independent wealth management RIA in Houston, Texas, reported $21.0 million in regulatory assets under management across 40 accounts, ranking #998 among independent RIAs in Texas by assets.
Registration
- Registration
- State-registered, Approved
- CRD number
- 106601
- SEC file number
- None (state-registered)
- Registered since
- January 6, 1999
- Latest Form ADV filing
- March 29, 2026
- Organized as
- Corporation
- Fiscal year ends
- December
- Other offices
- 0
Key figures
- Regulatory assets under management
- $21.0 million
- Discretionary
- $21.0 million (100.0%)
- Non-discretionary
- $0
- Accounts
- 40 (40 discretionary)
- Clients
- 34, approximate as reported
- Employees
- 1
- Advisory staff
- 1 performing investment advisory functions
- Average account
- $525,000
- Asset growth, 1 year
- Not reported
- Asset growth, 3-year annual rate
- Not reported
- Asset growth, 5-year annual rate
- Not reported
- Client growth, 1 year
- Not reported
Independent wealth management RIA: individual and high net worth clients hold at least half of its regulatory assets, it offers financial planning or portfolio management for individuals, and it is not a broker-dealer, a bank or part of one by the directory's rules. How firms are classed.
Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.
Rankings
Among independent wealth management RIAs.
Assets over time
Data table
| As of | RAUM |
|---|---|
| October 7, 2026 | $21.0 million |
Clients and services
Client mix
| Measure | Bar | RAUM |
|---|---|---|
| High net worth individuals 22 clients | $16.0 million | |
| Individuals (other than high net worth) 12 clients | $5.0 million |
How the firm is paid
- A percentage of assets under management
Advisory services
- Portfolio management for individuals or small businesses
Wrap fee program sponsor or portfolio manager: no.
Other business, affiliations and custody
Other business activities (Item 6.A)
None reported.
Financial industry affiliations (Item 7.A)
- Real estate broker, dealer or agent
Custody (Item 9)
The firm reported no custody of client cash or securities.
Investment adviser representatives
- IARs registered with the firm
- 1
- Also registered through a broker-dealer
- 0
- Employees who are IARs (Form ADV 5.B(3))
- 1
0 of the firm's 1 IAR are registered in jurisdictions that require IAR CE. IAR CE requirements by state.
Counts only. AdvisorIQ does not list individual people.
Disclosures
Our source has no Form ADV Item 11 detail for this firm. See the detail on IAPD.
Succession and acquired firms
On Form ADV Item 4 the firm did not report succeeding to another adviser's business.
Similar-sized firms in Texas
| Firm | City | RAUM |
|---|---|---|
| Brown Financial Group | Del Rio | $21.1 million |
| Copiam Wealth Management, LLC | The Colony | $21.1 million |
| Shorebreak Capital, LLC | Austin | $21.0 million |
| Guzman Wealth Management | Austin | $21.0 million |
| Macro Wealth Advisors, Inc. | McKinney | $20.8 million |
The five independent RIAs nearest in regulatory assets with a main office in the same state.
Elsewhere
- Post Oak Investment Management, Inc on IAPD: Form ADV, brochures and disclosure detail.
- Firm website: www.postoakinvestment.com
- Independent RIAs in Texas
Firm data as of October 7, 2026, from IA_FIRM_STATE_Feed_10_07_2026.xml.gz. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.
Data as of October 7, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.