Sierra Summit Advisors Llc
- Regulatory AUM
- $781M
- Discretionary
- $778M
- Clients
- 158
- Avg AUM / client
- $4.9M
- Accounts
- 484
- Employees
- 7
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Feb 27, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 135 | $710M | 91.0% |
| Pension and profit sharing plans | 7 | $15.6M | 2.0% |
| Charitable organizations | 10 | $35.7M | 4.57% |
| Corporations and other businesses | 6 | $19.2M | 2.46% |
People (5)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Seminetta, Joseph, Thomas | Cco | Dec 2010 (16y) | ≈ 18.75% – 50% via Joseph T Seminetta Trustee, 1 St Restatement Of Declaration Of Trust U/T/D December 22, 2010 | |
| Seminetta, Denise, Marie | Trustee | Dec 2022 (4y) | ≈ 18.75% – 50% via Denise M Seminetta Trustee, 1 St Restatement Of Declaration Of Trust U/T/D December 22, 2010 | |
| Chad Thomas Whiteley | Member | CFA | Jan 2024 (3y) | 10% – 25% |
| Thomas Eugene Grooms | Member | CFA | Mar 2024 (2y) | 10% – 25% |
| Alexander J Saf | Registered representative | CFA | Mar 2024 (2y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Joseph T Seminetta Trustee, 1 St Restatement Of Declaration Of Trust U/T/D December 22, 2010 | Member | Aug 2023 | A | 25% – 50% |
| Denise M Seminetta Trustee, 1 St Restatement Of Declaration Of Trust U/T/D December 22, 2010 | Member | Aug 2023 | A | 25% – 50% |
Undisclosed: 0% – 30% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Seminetta, Joseph, Thomas: 75% – 100% of Joseph T Seminetta Trustee, 1 St Restatement Of Declaration Of Trust U/T/D December 22, 2010 × 25% – 50% direct ≈ 18.75% – 50% of the firm
- Seminetta, Denise, Marie: 75% – 100% of Denise M Seminetta Trustee, 1 St Restatement Of Declaration Of Trust U/T/D December 22, 2010 × 25% – 50% direct ≈ 18.75% – 50% of the firm
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) | 02/27/2026 | 952 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
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Charles Schwab & Co. $655M (84% of AUM) Feb 2026
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: Feb 27, 2026.
View current Form ADV (SEC/IAPD) ↗