# Mastodon Advisory Group

> Mastodon Advisory Group is an SEC-registered investment advisory firm in Houston, TX, registered since 2021, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated March 17, 2026.

- CRD: 283494
- Filed as: MASTODON ADVISORY GROUP
- Legal name: Mastodon Advisory Group, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Houston, TX
- Filing period: October 2026
- Form ADV filing dated: March 17, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/283494
- AdvisorCensus page: https://advisorcensus.com/firm/mastodon-advisory-group-houston-tx-283494

## Quick answers

**How is Mastodon Advisory Group compensated?**
On its Form ADV (Item 5.E, October 2026), Mastodon Advisory Group reports these compensation arrangements: a percentage of assets under its management.

**What does Mastodon Advisory Group's brochure say about its fees?**
Its Form ADV Part 2A brochure dated March 17, 2026 states: Asset-based fee: up to 1.2% of assets a year (the maximum the brochure states). Fees can differ by service and may be negotiable; the brochure is the complete statement.

**Where is Mastodon Advisory Group located?**
Mastodon Advisory Group's principal office is in Houston, TX, according to its Form ADV.

**Is Mastodon Advisory Group registered with the SEC or a state?**
Mastodon Advisory Group is an SEC-registered investment advisory firm, registered since 2021. Status as filed: Approved. CRD 283494.

**How much does Mastodon Advisory Group manage?**
Mastodon Advisory Group reports $492,475,339 in regulatory assets under management in its Form ADV filing dated March 17, 2026 (100% discretionary).

**How have Mastodon Advisory Group's assets and staff changed since 2021?**
In the Form ADV data for Mastodon Advisory Group: Regulatory assets under management: $104,285,958 in the October 2021 data and $492,475,339 in the October 2026 data, up 372%. Total employees: 1 in October 2021 and 2 in October 2026. Assets under management move with markets as well as with clients coming and going.

**Which custodians does Mastodon Advisory Group use?**
Mastodon Advisory Group's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Fidelity Brokerage Services LLC as a custodian holding 10% or more of its separately managed account assets.

**Does Mastodon Advisory Group 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/283494

**Does Mastodon Advisory Group state an account minimum?**
Its Form ADV Part 2A brochure dated March 17, 2026 says: "A minimum initial investment of $25,000 will be required for you to open a managed account; however, we retain the right to waive or reduce this minimum if we feel circumstances are warranted."

**What changed in Mastodon Advisory Group's recent Form ADV filings?**
In the April 2026 filing data: Regulatory assets under management went from $406,552,712 to $492,475,339 (+21%).

## From the Form ADV filing

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

### Fees and minimums (Form ADV Part 2A brochure dated March 17, 2026)

- Asset-based fee: up to 1.2% of assets a year (the maximum the brochure states)

> Regardless of the portfolio account size, our management fee will not exceed 1.20% annually.

> Our portfolio management services are provided on an asset-based fee arrangement.

- Account minimum: $25,000 (the brochure says it may be waived or negotiated)

> A minimum initial investment of $25,000 will be required for you to open a managed account; however, we retain the right to waive or reduce this minimum if we feel circumstances are warranted.

As stated in the firm's brochure. Fees can differ by service and may be negotiable.

### Custodians (Schedule D, Section 5.K(3))
- Fidelity Brokerage Services 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: $492,475,339
- Discretionary: $492,475,339
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Charitable organizations | Fewer than 5 | $492,475,339 |

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

### Firm details
- Registered since: 2021 (5 years)
- Employees: 2 total, 1 performing advisory functions
- Wrap fee program participation: Yes
- States registered or notice-filed: TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- mastodonllc.com
- LinkedIn @mastodon-advisory-group

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $104,285,958 | 1 | May 5, 2021 |
| October 2022 | $127,208,078 | 1 | August 4, 2022 |
| October 2023 | $199,037,942 | 1 | July 21, 2023 |
| October 2024 | $303,963,515 | 2 | February 12, 2024 |
| October 2025 | $406,552,712 | 2 | May 23, 2025 |
| October 2026 | $492,475,339 | 2 | March 17, 2026 |

Regulatory assets under management: $104,285,958 in the October 2021 data and $492,475,339 in the October 2026 data, up 372%.
Total employees: 1 in October 2021 and 2 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $406,552,712 to $492,475,339 (+21%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Mastodon Advisory Group (CRD 283494): Form ADV filing data as of October 2026.