# Siebert Advisornxt, LLC.

> Siebert Advisornxt, LLC. is an SEC-registered investment advisory firm in New York, NY, registered since 2017, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated September 23, 2026.

- CRD: 288572
- Filed as: SIEBERT ADVISORNXT, LLC.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: September 23, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/288572
- AdvisorCensus page: https://advisorcensus.com/firm/siebert-advisornxt-llc-new-york-ny-288572

## Quick answers

**How is Siebert Advisornxt, LLC. compensated?**
On its Form ADV (Item 5.E, October 2026), Siebert Advisornxt, LLC. reports these compensation arrangements: a percentage of assets under its management. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Siebert Advisornxt, LLC. located?**
Siebert Advisornxt, LLC.'s principal office is in New York, NY, according to its Form ADV; the October 2026 filing also lists 7 other offices (Schedule D, Section 1.F).

**Is Siebert Advisornxt, LLC. registered with the SEC or a state?**
Siebert Advisornxt, LLC. is an SEC-registered investment advisory firm, registered since 2017. Status as filed: Approved. CRD 288572.

**How much does Siebert Advisornxt, LLC. manage?**
Siebert Advisornxt, LLC. reports $391,509,579 in regulatory assets under management in its Form ADV filing dated September 23, 2026 (0% discretionary).

**How have Siebert Advisornxt, LLC.'s assets and staff changed since 2021?**
In the Form ADV data for Siebert Advisornxt, LLC.: Regulatory assets under management: $131,000,000 in the October 2021 data and $391,509,579 in the October 2026 data, up 199%. Total employees: 32 in October 2021 and 43 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Siebert Advisornxt, LLC. serve?**
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (880); high net worth individuals (93).

**Does Siebert Advisornxt, LLC. report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/288572

**What changed in Siebert Advisornxt, LLC.'s recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 24 to 32. Regulatory assets under management went from $287,623,668 to $391,509,579 (+36%).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management

### Regulatory assets under management (Item 5.F)
- Total: $391,509,579
- Discretionary: $0
- Non-discretionary: $391,509,579

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 880 | $208,712,109 |
| High net worth individuals | 93 | $182,797,470 |

### Advisory services (Item 5.G)
- Portfolio management for individuals and/or small businesses
- Other

### Firm details
- Registered since: 2017 (9 years)
- Employees: 43 total, 32 performing advisory functions
- Wrap fee program participation: Yes
- States registered or notice-filed: AL, AR, AZ, CA, CO, CT, FL, GA, HI, IA, ID, IL, IN, KS, LA, MA, MD, ME, MI, MN, MO, MT, NC, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WA, WI, WY
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the October 2026 filing
- Beverly Hills, CA
- Boca Raton, FL
- Calabasas, CA
- Horsham, PA
- Miami, FL
- New York, NY
- Tampa, FL

### Websites listed on Form ADV (Item 1.I)
- [siebertnxt.com](https://siebertnxt.com)

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $131,000,000 | 32 | September 29, 2021 |
| October 2022 | $176,000,000 | 32 | March 10, 2022 |
| October 2023 | $163,624,000 | 38 | August 2, 2023 |
| October 2024 | $212,638,789 | 31 | August 30, 2024 |
| October 2025 | $287,623,668 | 31 | March 31, 2025 |
| October 2026 | $391,509,579 | 43 | September 23, 2026 |

Regulatory assets under management: $131,000,000 in the October 2021 data and $391,509,579 in the October 2026 data, up 199%.
Total employees: 32 in October 2021 and 43 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 24 to 32.
- Regulatory assets under management went from $287,623,668 to $391,509,579 (+36%).

### March 2026
- Registered or notice-filed in WY.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Siebert Advisornxt, LLC. (CRD 288572): Form ADV filing data as of October 2026.