Broker-dealer firm · New York, NY
Millburn Ridgefield LLC
SEC-registered investment adviser · CRD 148870 · SEC 801-60938
At a glance
Millburn Ridgefield LLC is an SEC-registered investment adviser based in New York, New York, with $8.7 billion in regulatory assets under management as of its Form ADV filed May 20, 2026. Its largest client group by assets is investment companies. By Form ADV it is a broker-dealer firm, ranked 74th of 391 broker-dealer firms and 1,500th of 17,210 SEC-registered advisers by assets.
Main office 212-332-7300millburn.comLinkedInAs filed on Form ADV
- Regulatory AUM
- $8.7B
- Rank among broker-dealer firms
- #74 of 391
- Rank among all SEC RIAs
- #1,500 of 17,210
- Rank in New York
- #386 of 2,591
- Clients
- 9
- Accounts
- 9
- Discretionary
- 100% of AUM
- Employees
- 59
- Advisory staff
- 25
- Offices
- 1
Owners and executives on its Form ADV
- Harvey BekerChairman
- Gregg Richard BuckbinderPresident, Chief Operating Officer
- Steven Marc FelsenthalGeneral Counsel/ CCO
- Mark Bruce FitzsimmonsSenior Vice President
- Ilon WuChief Financial Officer
- Barry Alan GoodmanCo-Chief Executive Officer, Executive Director of Trading
- Grant Norman SmithCo-Chief Executive Officer
- Gregg Richard BuckbinderCFO & Finop, Broker Dealer
- Steven Marc FelsenthalCEO of the Broker Dealer
Custody and brokerage
Custodian
Millburn Ridgefield LLC’s Form ADV lists no custodian for separately managed accounts. Firms report one only when they manage $10 million or more in those accounts.
Broker-dealer
Hybrid RIA
Millburn Ridgefield LLC is a hybrid RIA: 6 of its employees are also registered representatives of a broker-dealer. It names an affiliated broker-dealer: Millburn International (europe) LLP.
- Millburn International (europe) LLP
Who it serves
| Client type | Clients | Regulatory AUM | Share |
|---|---|---|---|
| Investment companies | 3 | $8.4B | 97% |
| Pooled investment vehicles | 6 | $252M | 3% |
Private funds
Millburn Ridgefield LLC reports 4 private funds with $201M in gross assets: hedge funds, other private funds (Form ADV Item 7.B).
Disciplinary disclosures
Millburn Ridgefield LLC reports no disciplinary disclosures in Item 11 of Form ADV. Read the details on the SEC’s adviser search ↗
Services
- Financial planning
- Portfolio management for investment companies
- Portfolio management for pooled investment vehicles
- Selecting other advisers
- Other services
How it’s paid
- A percentage of assets under management
- Performance-based fees
Form ADV and brochures on the SEC’s adviser search ↗millburn.com ↗
AtlasMembers
The full record on Millburn Ridgefield LLC
Ten years of SEC filings, its owners and contacts, and how it stacks up against its peers. Atlas members see all of it.
- Assets, accounts, clients and staff, 5 years of filings
- Locked
- Growth over one, three and five years
- Locked
- Rank against 74 peers of its type and size
- Locked
- Owners and executives, with titles and stakes
- 9 namedLocked
- Main office, fax and compliance officer
- Locked
- Filing changes this year, with alerts
- 1Locked
Free while Atlas launches: create a free account and confirm your email. Every figure comes from SEC filings.
Background
Questions
How much does Millburn Ridgefield LLC manage?
Millburn Ridgefield LLC reports $8.7 billion in regulatory assets under management across 9 accounts, 100% of it on a discretionary basis, on its Form ADV filed May 20, 2026.
What kind of firm is Millburn Ridgefield LLC?
Millburn Ridgefield LLC is a broker-dealer firm by its Form ADV answers. The firm is itself registered as a broker-dealer as well as an investment adviser.
Who are Millburn Ridgefield LLC’s clients?
By assets, its largest client types are investment companies ($8.4 billion, 3 clients); pooled investment vehicles ($252 million, 6 clients).
Does Millburn Ridgefield LLC manage private funds?
Yes. It reports 4 private funds with $201 million in gross assets, including hedge funds, other private funds.
Does Millburn Ridgefield LLC have any disciplinary history?
Millburn Ridgefield LLC reports no disciplinary disclosures in Item 11 of its Form ADV. Check the SEC’s adviser search for the latest record.
Where these numbers come from
Every figure is Millburn Ridgefield LLC’s own answer on its latest Form ADV, from the SEC’s registered-adviser list as of October 1, 2026: regulatory assets and accounts (Item 5.F), clients by type (5.D), employees (5.A and 5.B), compensation (5.E) and services (5.G). Custodians come from Schedule D 5.K(3) of its latest filing (2026-05-20), which lists those holding 10% or more of separately managed account assets and the amount at each. “Hybrid” means some employees are also registered representatives of a broker-dealer (Item 5.B(2)); affiliated broker-dealers are the related persons it lists in Item 7.A and Schedule D. Firm type comes from its own answers: broker-dealer firms are registered broker-dealers themselves (Item 6.A); private fund advisers manage mostly private funds (Item 7.B, 5.D); wealth managers manage at least half their assets for individuals (5.D). Ranks compare it by regulatory assets with every SEC-registered adviser and with firms of its type. Figures are as of the firm’s last annual update, so they can lag recent deals and market moves. Regulatory AUM counts assets the firm continuously supervises and can differ from what a firm markets.
Not an endorsement or a recommendation. Before hiring any adviser, read its Form ADV Part 2A brochure and check its record on the SEC’s adviser search. How to check a financial advisor →