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Private fund adviser · Newport Beach, CA

Longtail Alpha, LLC

SEC-registered investment adviser · CRD 282615 · SEC 801-112265

At a glance

Longtail Alpha, LLC is an SEC-registered investment adviser based in Newport Beach, California, with $822 million in regulatory assets under management as of its Form ADV filed February 2, 2026. Its largest client group by assets is pooled investment vehicles. By Form ADV it is a private fund adviser, ranked 2,510th of 4,686 private fund advisers and 5,998th of 17,210 SEC-registered advisers by assets.

Main office 949-706-8092longtailalpha.comLinkedInAs filed on Form ADV

Regulatory AUM
$822M
Rank among private fund advisers
#2,510 of 4,686
Rank among all SEC RIAs
#5,998 of 17,210
Rank in California
#695 of 1,873
Clients
9
Accounts
12
Discretionary
100% of AUM
Employees
9
Advisory staff
6
Offices
1

Owners and executives on its Form ADV

Custody and brokerage

Who it serves

Client typeClientsRegulatory AUMShare
Pooled investment vehicles9$760M92%
Individuals–$36M4%
Corporations or other businesses–$17M2%
State or municipal government entities–$8M1%

Private funds

Longtail Alpha, LLC reports 8 private funds with $917M in gross assets: hedge funds (Form ADV Item 7.B).

Disciplinary disclosures

Longtail Alpha, LLC reports no disciplinary disclosures in Item 11 of Form ADV. Read the details on the SEC’s adviser search ↗

Services

  • Portfolio management for individuals and small businesses
  • Portfolio management for pooled investment vehicles
  • Portfolio management for businesses and institutions
  • Pension consulting
  • Periodicals or newsletters
  • Educational seminars and workshops
  • Other services

How it’s paid

  • A percentage of assets under management
  • Hourly charges
  • Fixed fees
  • Performance-based fees
  • Other

AtlasMembers

The full record on Longtail Alpha, LLC

Ten years of SEC filings, its owners and contacts, and how it stacks up against its peers. Atlas members see all of it.

Assets, accounts, clients and staff, 8 years of filings
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Growth over one, three and five years
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Rank against 2,233 peers of its type and size
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Owners and executives, with titles and stakes
3 namedLocked
Main office, fax and compliance officer
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Filing changes this year, with alerts
2Locked
Open Atlas free

Free while Atlas launches: create a free account and confirm your email. Every figure comes from SEC filings.

Background

Questions

How much does Longtail Alpha, LLC manage?

Longtail Alpha, LLC reports $822 million in regulatory assets under management across 12 accounts, 100% of it on a discretionary basis, on its Form ADV filed February 2, 2026.

What kind of firm is Longtail Alpha, LLC?

Longtail Alpha, LLC is a private fund adviser by its Form ADV answers. Private funds are at least half of its business by assets. A public reporting company controls it.

Who are Longtail Alpha, LLC’s clients?

By assets, its largest client types are pooled investment vehicles ($760 million, 9 clients); individuals ($36 million); corporations or other businesses ($17 million).

Does Longtail Alpha, LLC manage private funds?

Yes. It reports 8 private funds with $917 million in gross assets, including hedge funds.

Does Longtail Alpha, LLC have any disciplinary history?

Longtail Alpha, LLC reports no disciplinary disclosures in Item 11 of its Form ADV. Check the SEC’s adviser search for the latest record.

Where these numbers come from

Every figure is Longtail Alpha, LLC’s own answer on its latest Form ADV, from the SEC’s registered-adviser list as of October 1, 2026: regulatory assets and accounts (Item 5.F), clients by type (5.D), employees (5.A and 5.B), compensation (5.E) and services (5.G). Custodians come from Schedule D 5.K(3) of its latest filing (2026-02-02), which lists those holding 10% or more of separately managed account assets and the amount at each. “Hybrid” means some employees are also registered representatives of a broker-dealer (Item 5.B(2)); affiliated broker-dealers are the related persons it lists in Item 7.A and Schedule D. Firm type comes from its own answers: broker-dealer firms are registered broker-dealers themselves (Item 6.A); private fund advisers manage mostly private funds (Item 7.B, 5.D); wealth managers manage at least half their assets for individuals (5.D). Ranks compare it by regulatory assets with every SEC-registered adviser and with firms of its type. Figures are as of the firm’s last annual update, so they can lag recent deals and market moves. Regulatory AUM counts assets the firm continuously supervises and can differ from what a firm markets.

Not an endorsement or a recommendation. Before hiring any adviser, read its Form ADV Part 2A brochure and check its record on the SEC’s adviser search. How to check a financial advisor →