AUMdb

Millburn Ridgefield Llc

SEC-registered Broker-Dealer (Dually Registered) · Mid-sized ($1B–$10B) CRD 148870 · SEC file 801-60938 · New York, NY · www.linkedin.com
☆ Save with Pro ADV data as of May 20, 2026
Regulatory AUM
$8.7B
Discretionary
$8.7B
Clients
9
Avg AUM / client
$963M
Accounts
9
Employees
59

AUM over time

$2.9B $9.0B
Dec 2019 May 2026

Annual snapshots from Form ADV filings · as of May 20, 2026

Who they serve

Client typeClientsAUM% of AUM
High net worth individuals Fewer than 5 clients $0
Investment companies 3 $8.4B 97.1%
Pooled investment vehicles (non-investment companies) 6 $252M 2.91%
Charitable organizations Fewer than 5 clients $0

Private funds (5)

Reported in Form ADV Section 7.B.(1), filing of Sep 2024 · $408M combined gross assets

FundTypeDomicileGross assetsOwners
Millburn Resource Opportunities Trading Ltd master Hedge Fund Delaware $153M 20
Millburn Mco Partners Lp Hedge Fund Delaware $91.5M 26
Galaxy Plus Fund Millburn Resource Oppty Master Fund (557) Ltd. master Hedge Fund Cayman Islands $89.9M 1
Millburn Select Strategies Lp Hedge Fund Delaware $42.9M 15
Millburn Equity Partners Llc Other Private Fund Delaware $31.0M 22

People (11)

NameRole / titleCredentialsWith firm sinceOwnership
Beker, Harvey Chairman Jun 1978 (48y) 25% – 50%
Felsenthal, Steven Marc General Counsel/ Cco/ Ceo Of The Broker Dealer Jan 2004 (23y) Less than 5%
Fitzsimmons, Mark Bruce Senior Vice President Jan 2006 (21y) Less than 5%
Newton, Judith London Trustee, Residuary Qsst Trust May 2014 (12y) Less than 5%
Buckbinder, Gregg Richard President, Chief Operating Officer Nov 2015 (11y) 5% – 10%
Goodman, Barry Alan Co Chief Executive Officer, Executive Director Of Trading Nov 2015 (11y) 10% – 25%
Smith, Grant Norman Co Chief Executive Officer, Chief Investment Officer Nov 2015 (11y) 10% – 25%
Wu, Ilon Chief Financial Officer Feb 2020 (7y) Less than 5%
Crapple, Carol Tuyn Trustee And Beneficiary, Crapple Marital Trust Apr 2020 (6y) Less than 5%
Fargis, Heather Shawn Trustee, Crapple Marital Trust Apr 2020 (6y) Less than 5%
Stapleton, Stephanie Dawn Trustee, Crapple Marital Trust Apr 2020 (6y) Less than 5%

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Marital Trust Under Article Sixth Of The Last Will And Testament Of George E. Crapple Shareholder Feb 2022 A 25% – 50%
Residuary Qsst Trust Established Under The Dennis Brennan Newton Revocable Trust Shareholder May 2014 A 5% – 10%

Undisclosed: 0% – 20% of the firm is not attributable from the filed Schedule A bands.

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (5, $408M gross assets)

FundTypeGross assetsMin. investmentOwners
Millburn Resource Opportunities Trading Ltd Hedge Fund $153M $100K 20
Millburn Mco Partners Lp Hedge Fund $91.5M $100K 26
Galaxy Plus Fund Millburn Resource Oppty Master Fund (557) Ltd. Hedge Fund $89.9M $100K 1
Millburn Select Strategies Lp Hedge Fund $42.9M $100K 15
Millburn Equity Partners Llc Other Private Fund $31.0M $100K 22

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 05/20/2026 2.15 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Percentage of assets under management
  • Performance-based fees

Services

  • Financial planning services
  • Portfolio management for investment companies
  • Portfolio management for pooled investment vehicles
  • Selection of other advisers
  • Other services

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports having custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: May 20, 2026.

View current Form ADV (SEC/IAPD) ↗