Rockingstone Advisors Llc
- Regulatory AUM
- $280M
- Discretionary
- $280M
- Clients
- 61
- Avg AUM / client
- $4.6M
- Accounts
- 283
- Employees
- 3
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 19, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 7 | $2.1M | 0.75% |
| High net worth individuals | 54 | $278M | 99.3% |
People (3)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Brandt Augustus Sakakeeny | Chief Compliance Officer | Jan 2009 (18y) | 50% – 75% | |
| Sakakeeny, Margaret, C | Member | Jan 2009 (18y) | 25% – 50% | |
| Eric Richard Katzman | Partner And Co Chief Investment Officer | CFA | Sep 2016 (10y) | Less than 5% |
Undisclosed: 0% – 25% 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) | 03/19/2026 | 944 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
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Charles Schwab & Co. $127M (45% of AUM) Mar 2026
- Fidelity Brokerage Services $94.2M (34% of AUM) Mar 2026
- Interactive Brokers $5.0M (2% of AUM) Feb 2022
- Gemini Trust Company $250K (0% of AUM) Feb 2022
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have 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: Mar 19, 2026.
View current Form ADV (SEC/IAPD) ↗