Thayer Robbins has been Managing Director Chief Compliance Officer of Five Mile River Investment Management since January 2003, is a control person of the firm and directly owns between 25% and 50% of it.
Five Mile River Investment Management, LLC is a firm with $109M under management, 110 clients and 3 advisers across 3 offices, as of its June 2026 filing.
Thayer Robbins’ longest registration is the current one, 23 years at Five Mile River Investment Management since 2003.
- T.robbins Capital Management LLC– · 3 yearsDarien, CT · Adviser representative · Firm CRD 124673
- – present · 23 yearsOkatie, SC · Adviser representative · Firm CRD 125964
Investment adviser representative registrations
Thayer Robbins is registered as an investment adviser representative in 8 states. The first approvals date from April 2003; the most recent is Arizona, in January 2026.
- ArizonaSince 12 January 2026
- CaliforniaSince 5 January 2026
- ConnecticutSince 7 April 2003
- FloridaSince 18 June 2012
- New YorkSince 6 May 2022
- North CarolinaSince 10 December 2025
- South CarolinaSince 6 May 2022
- TexasSince 9 December 2025
Examinations
| Exam | Name | Passed |
|---|---|---|
| Series 65 | Uniform Investment Adviser Law Examination | 20 February 2022 |
| PC | AMEX Put and Call Exam | 23 June 1989 |
| Series 63 | Uniform Securities Agent State Law Examination | 8 July 1981 |
| Series 7 | General Securities Representative Examination | 21 February 1976 |
| Series 1 | Registered Representative Examination | 29 August 1974 |
- Name
- Uniform Investment Adviser Law Examination
- Name
- AMEX Put and Call Exam
- Name
- Uniform Securities Agent State Law Examination
- Name
- General Securities Representative Examination
- Name
- Registered Representative Examination
- Full name
- Thayer Brown Robbins
- CRD
- 400715
- Firm
- Five Mile River Investment Management · CRD 125964
- Role
- Managing Director Chief Compliance Officer
- Office
- Okatie, SC
- Registration
- Investment adviser registration
- In the industry since
- April 2003
- Disciplinary history
- Not yet shown here · SEC record
Where does Thayer Robbins work?
Thayer Robbins has been Managing Director Chief Compliance Officer of Five Mile River Investment Management, LLC since January 2003, and is a control person of the firm.
Is Thayer Robbins a financial advisor?
Yes. Thayer Robbins has a current investment-adviser registration in Arizona, California, Connecticut, Florida, New York, North Carolina, South Carolina and Texas, through Five Mile River Investment Management since April 2003.
How many years of experience does Thayer Robbins have?
Thayer Robbins has 23 years in the financial industry, since April 2003, across 2 adviser firms.
What exams has Thayer Robbins passed?
Thayer Robbins has passed 5 licensing exams: the Series 1, Series 7, Series 63, PC and Series 65. The earliest, the Series 1, was passed in August 1974.
Where is Thayer Robbins based?
Thayer Robbins’ registered office is in Okatie, SC.
Is Thayer Robbins registered with FINRA?
No. Thayer Robbins has no current broker registration.
How can I verify Thayer Robbins’ record?
Search CRD 400715 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Thayer Robbins’ full registration record.