Stonebrook Private Llc
- Regulatory AUM
- $937M
- Discretionary
- $877M
- Clients
- 596
- Avg AUM / client
- $1.6M
- Accounts
- 4,146
- Employees
- 11
AUM over time
Annual snapshots from Form ADV filings · as of May 13, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 319 | $96.8M | 10.3% |
| High net worth individuals | 263 | $784M | 83.6% |
| Pension and profit sharing plans | 3 | $47.4M | 5.06% |
| Charitable organizations | 9 | $8.8M | 0.94% |
| Corporations and other businesses | 2 | $173K | 0.02% |
People (4)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Spencer James Knickerbocker | Member / Partner / Chief Investment Officer | CFP | Feb 2023 (4y) | 10% – 25% |
| Todd Duncan Knickerbocker | Managing Member / Managing Partner | Feb 2023 (4y) | 75% or more | |
| Higgins, Roseann | Chief Compliance Officer | Jan 2024 (3y) | Less than 5% | |
| Mark Anthony Zywiol | Registered representative | CFP | Apr 2024 (2y) |
Undisclosed: 0% – 15% 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.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 05/13/2026 | 960 KB | 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
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Selection of other advisers
Custody
Reported custodians
- Raymond James $794M (85% of AUM) May 2026
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 13, 2026.
View current Form ADV (SEC/IAPD) ↗