# Longtail Alpha, LLC

> Longtail Alpha, LLC is an SEC-registered investment advisory firm in Newport Beach, CA, registered since 2018, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated February 2, 2026.

- CRD: 282615
- Filed as: LONGTAIL ALPHA, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Newport Beach, CA
- Filing period: October 2026
- Form ADV filing dated: February 2, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/282615
- AdvisorCensus page: https://advisorcensus.com/firm/longtail-alpha-llc-newport-beach-ca-282615

## Quick answers

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

**Where is Longtail Alpha, LLC located?**
Longtail Alpha, LLC's principal office is in Newport Beach, CA, according to its Form ADV.

**Is Longtail Alpha, LLC registered with the SEC or a state?**
Longtail Alpha, LLC is an SEC-registered investment advisory firm, registered since 2018. Status as filed: Approved. CRD 282615.

**How much does Longtail Alpha, LLC manage?**
Longtail Alpha, LLC reports $822,446,436 in regulatory assets under management in its Form ADV filing dated February 2, 2026 (100% discretionary).

**How have Longtail Alpha, LLC's assets and staff changed since 2021?**
In the Form ADV data for Longtail Alpha, LLC: Regulatory assets under management: $618,053,354 in the October 2021 data and $822,446,436 in the October 2026 data, up 33%. Total employees: 7 in October 2021 and 9 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Longtail Alpha, LLC serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (9).

**Which custodians does Longtail Alpha, LLC use?**
Longtail Alpha, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Merrill Lynch and Northern Trust Company as custodians holding 10% or more of its separately managed account assets.

**Does Longtail Alpha, 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/282615

**What changed in Longtail Alpha, LLC's recent Form ADV filings?**
In the February 2026 filing data: Employees performing advisory functions went from 4 to 6. Regulatory assets under management went from $725,836,223 to $822,446,436 (+13%).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Hourly charges
- Fixed fees (other than subscription fees)
- Performance-based fees
- Other

### Custodians (Schedule D, Section 5.K(3))
- Merrill Lynch
- Northern Trust Company

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: $822,446,436
- Discretionary: $822,446,436
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | Fewer than 5 | $36,329,166 |
| Pooled investment vehicles (other than investment companies and business development companies) | 9 | $760,317,273 |
| State or municipal government entities (including government pension plans) | Fewer than 5 | $8,465,187 |
| Corporations or other businesses not listed above | Fewer than 5 | $17,334,810 |

### Advisory services (Item 5.G)
- Portfolio management for individuals and/or small businesses
- Portfolio management for pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Pension consulting services
- Publication of periodicals or newsletters
- Educational seminars/workshops
- Other

### Firm details
- Registered since: 2018 (8 years)
- Employees: 9 total, 6 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: CA, CO, HI, IL, NV, NY, TX, WV
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- longtailalpha.com
- LinkedIn @longtail-alpha-llc
- X @longtailalpha

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $618,053,354 | 7 | August 25, 2021 |
| October 2022 | $634,556,718 | 7 | August 11, 2022 |
| October 2023 | $724,235,646 | 7 | March 21, 2023 |
| October 2024 | $721,938,657 | 8 | March 12, 2024 |
| October 2025 | $725,836,223 | 7 | March 6, 2025 |
| October 2026 | $822,446,436 | 9 | February 2, 2026 |

Regulatory assets under management: $618,053,354 in the October 2021 data and $822,446,436 in the October 2026 data, up 33%.
Total employees: 7 in October 2021 and 9 in October 2026.

## Changes in the filing (last 12 months)

### February 2026
- Employees performing advisory functions went from 4 to 6.
- Regulatory assets under management went from $725,836,223 to $822,446,436 (+13%).

### January 2026
- No longer registered or notice-filed in FL, OH.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Longtail Alpha, LLC (CRD 282615): Form ADV filing data as of October 2026.