SEC-registered independent wealth management RIA
Gruenstein Investments LLC
As of its Form ADV filed April 30, 2026, Gruenstein Investments LLC, an SEC-registered independent wealth management RIA in New York, reported $61.5 million in regulatory assets under management across 6 accounts, ranking #572 among independent RIAs in New York by assets.
Registration
- Main office
- NY
- Registration
- SEC-registered, Approved
- CRD number
- 298739
- SEC file number
- 801-114355
- Registered since
- November 27, 2018
- Latest Form ADV filing
- April 30, 2026
- Organized as
- Limited Liability Company
- Fiscal year ends
- December
- Other offices
- 1
Key figures
- Regulatory assets under management
- $61.5 million
- Discretionary
- $60.1 million (97.7%)
- Non-discretionary
- $1.4 million
- Accounts
- 6 (5 discretionary)
- Clients
- 5, approximate as reported
- Employees
- 1
- Advisory staff
- 1 performing investment advisory functions
- Average account
- $10.2 million
- Asset growth, 1 year
- 6.9% (from $57.5 million a year earlier)
- Asset growth, 3-year annual rate
- 6.9% (from $50.4 million three years earlier)
- Asset growth, 5-year annual rate
- 10.2% (from $37.8 million five years earlier)
- Client growth, 1 year
- -16.7% (from 6)
Independent wealth management RIA: individual and high net worth clients hold at least half of its regulatory assets, it offers financial planning or portfolio management for individuals, and it is not a broker-dealer, a bank or part of one by the directory's rules. How firms are classed.
Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.
Rankings
Among independent wealth management RIAs.
Assets over time
Data table
| As of | RAUM |
|---|---|
| October 1, 2019 | $31.4 million |
| October 1, 2020 | $33.8 million |
| October 4, 2021 | $37.8 million |
| October 3, 2022 | $49.6 million |
| October 5, 2023 | $50.4 million |
| October 1, 2024 | $50.2 million |
| September 2, 2025 | $57.5 million |
| October 2, 2026 | $61.5 million |
Clients and services
Client mix
| Measure | Bar | RAUM |
|---|---|---|
| High net worth individuals 4 clients | $41.0 million | |
| Pooled investment vehicles 1 client | $20.5 million |
How the firm is paid
- A percentage of assets under management
- Performance-based fees
Advisory services
- Financial planning
- Portfolio management for individuals or small businesses
- Portfolio management for pooled investment vehicles
Financial planning clients (Item 5.H): 1-10.
Wrap fee program sponsor or portfolio manager: no.
Other business, affiliations and custody
Other business activities (Item 6.A)
None reported.
Financial industry affiliations (Item 7.A)
- Sponsor, general partner or managing member of pooled investment vehicles
Advises 1 private fund (Item 7.B).
Custody (Item 9)
The firm reported custody of client cash or securities, $20.5 million in total.
Investment adviser representatives
- IARs registered with the firm
- 0
- Also registered through a broker-dealer
- 0
- Employees who are IARs (Form ADV 5.B(3))
- 0
IAR registrations by jurisdiction are not available for this firm. IAR CE requirements by state.
Counts only. AdvisorIQ does not list individual people.
Disclosures
On Form ADV Item 11 the firm answered yes to 0 disclosure questions. See the detail on IAPD.
Succession and acquired firms
On Form ADV Item 4 the firm did not report succeeding to another adviser's business.
Similar-sized firms in New York
| Firm | City | RAUM |
|---|---|---|
| Mountain View Strategic Wealth, LLC | Hopewell Junction | $62.5 million |
| Northstar Financial Advisors LLC | Northport | $62.4 million |
| Birch Wealth Management | Rome | $62.1 million |
| Anchor Capital Management, LLC | Ithaca | $61.2 million |
| J. Mandwelle Capital Management | Queensbury | $60.9 million |
The five independent RIAs nearest in regulatory assets with a main office in the same state.
Elsewhere
- Gruenstein Investments LLC on IAPD: Form ADV, brochures and disclosure detail.
- Firm website: www.gruenstein.com
- Independent RIAs in New York
Firm data as of October 2, 2026, from ia100226.zip. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.
Data as of October 2, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.