AdvisorCensus / Financial advisors / California / Los Angeles / 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.
Quick answers
From the filingHow 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
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Hourly charges
- Fixed fees (other than subscription fees)
- Performance-based fees
- Other
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2ASee the firm's brochure (dated January 30, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$822,446,436 as of October 2026, filing dated February 2, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
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
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2018 (8 years)
- Employees
- Total: 9. Performing investment advisory functions: 6.
- Wrap fee program participation
- No.
- Custodians (Schedule D, Section 5.K(3))
-
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.
- States registered or notice-filed
-
8 states or jurisdictions
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $822,446,436 | 9 | February 2, 2026 |
| October 2025 | $725,836,223 | 7 | March 6, 2025 |
| October 2024 | $721,938,657 | 8 | March 12, 2024 |
| October 2023 | $724,235,646 | 7 | March 21, 2023 |
| October 2022 | $634,556,718 | 7 | August 11, 2022 |
| October 2021 | $618,053,354 | 7 | August 25, 2021 |
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.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
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.
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Longtail Alpha, LLC (CRD 282615): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/longtail-alpha-llc-newport-beach-ca-282615