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LYONROSS CAPITAL MANAGEMENT, LLC
CRD 156637File 801-73706
APPROVED
Filing as of Mar 30, 2026
Feed vintage Aug 17, 2026
Regulatory AUM
$880.5M
Above cohort median (national)
Discretionary AUM
$51.5M
Non-discretionary $829.0M
Clients
0
2 accounts
Employees
6
Above cohort median in NY
Identity & registration
ADV Item 1- Organization form
- Limited Liability Company
- Firm type
- Registered
- SEC region
- NYRO
- Registration date
- Mar 30, 2012
- Principal office
- 50 MAIN STREET, SUITE 1240, WHITE PLAINS, NY, 10606
- Phone
- 212-218-3950
- Website
- HTTP://WWW.LYONROSS.COM
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $880.5M
- Discretionary AUM
- $51.5M
- Non-discretionary AUM
- $829.0M
- Discretionary accounts
- 1
- Non-discretionary accounts
- 1
- Total accounts
- 2
- AUM per client
- —
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| High net worth individuals | Fewer than 5 | $880.5M |
Compensation & activities
ADV Items 5E, 5GCompensation
- Fixed fees
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Other advisory activities
- Selection of other advisers
Custody
ADV Item 9- Firm Custody Cash
- No
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- No
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- No
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To |
|---|---|---|---|
| Aug 12, 2026 | Registration | — | APPROVED |
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.

