# Gruenstein Investments LLC

> Gruenstein Investments LLC is an SEC-registered investment advisory firm, registered since 2018, reporting $25 million to $100 million in regulatory assets under management in its Form ADV filing dated April 30, 2026.

- CRD: 298739
- Filed as: GRUENSTEIN INVESTMENTS LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Filing period: October 2026
- Form ADV filing dated: April 30, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/298739
- AdvisorCensus page: https://advisorcensus.com/firm/gruenstein-investments-llc-298739

## Quick answers

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

**Is Gruenstein Investments LLC registered with the SEC or a state?**
Gruenstein Investments LLC is an SEC-registered investment advisory firm, registered since 2018. Status as filed: Approved. CRD 298739.

**How much does Gruenstein Investments LLC manage?**
Gruenstein Investments LLC reports $61,478,697 in regulatory assets under management in its Form ADV filing dated April 30, 2026 (98% discretionary).

**How have Gruenstein Investments LLC's assets and staff changed since 2021?**
In the Form ADV data for Gruenstein Investments LLC: Regulatory assets under management: $37,782,456 in the October 2021 data and $61,478,697 in the October 2026 data, up 63%. Total employees: 1 in October 2021 and 1 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Gruenstein Investments LLC serve?**
By number of clients on Form ADV Item 5.D: high net worth individuals (4); pooled investment vehicles (other than investment companies and business development companies) (1).

**Which custodians does Gruenstein Investments LLC use?**
Gruenstein Investments LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Pershing Advisor Solutions LLC as a custodian holding 10% or more of its separately managed account assets.

**Does Gruenstein Investments 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/298739

**What changed in Gruenstein Investments LLC's recent Form ADV filings?**
In the April 2026 filing data: Added an office in New York, NY.

## From the Form ADV filing

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

### Custodians (Schedule D, Section 5.K(3))
- Pershing Advisor Solutions LLC

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $61,478,697
- Discretionary: $60,062,136
- Non-discretionary: $1,416,561

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| High net worth individuals | 4 | $40,965,822 |
| Pooled investment vehicles (other than investment companies and business development companies) | 1 | $20,512,875 |

### Advisory services (Item 5.G)
- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2018 (7 years)
- Employees: 1 total, 1 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: NY
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the May 2026 filing
- New York, NY

### Websites listed on Form ADV (Item 1.I)
- gruenstein.com

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $37,782,456 | 1 | March 24, 2021 |
| October 2022 | $49,627,895 | 1 | May 5, 2022 |
| October 2023 | $50,391,708 | 1 | September 6, 2023 |
| October 2024 | $50,155,225 | 1 | March 25, 2024 |
| October 2025 | $57,486,331 | 1 | April 28, 2025 |
| October 2026 | $61,478,697 | 1 | April 30, 2026 |

Regulatory assets under management: $37,782,456 in the October 2021 data and $61,478,697 in the October 2026 data, up 63%.
Total employees: 1 in October 2021 and 1 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Added an office in New York, NY.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Gruenstein Investments LLC (CRD 298739): Form ADV filing data as of October 2026.