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Nautilus Advisors

Wealth managementRIA

La Jolla, CACRD 154169Updated

Nautilus Advisors is an investment adviser based in La Jolla, CA, registered with the SEC since 2010. It provides financial planning and investment management. Its clients include high-net-worth individuals, individual clients and charitable organizations. Its regulatory assets under management total $304 million, as filed on 25 February 2026.

188
Clients
$1.62M
AUM per individual client
3
Advisory staff
2
Offices
0.90–1.50%
Annual fee

From Form ADV filed 25 February 2026SEC record

Services and clients

Nautilus Advisors provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, education planning, estate planning, insurance, philanthropic planning, and tax planning.

Nautilus Advisors reports 188 clients. They include 151 high-net-worth individuals and 37 individual clients. Of its assets, 91.0% ($277M across 557 accounts) are managed with discretion; $27.2M across 50 accounts are not.

Clients and assets by client type
Clients188 clients reported
Assets$304M
Share of clients and assets by client type
Client typeClientsAssets
Individuals (other than HNW)20%14%
High-net-worth individuals80%85%
Charitable organizationsFewer than 5<1%

Client shares use reported counts. Client types without a reported count are excluded from that total.

Client breakdown and activity details
Individuals (other than HNW)
Clients
37
Regulatory AUM
$43.9M
AUM share
14.4%
Avg. per client
$1.19M
High-net-worth individuals
Clients
151
Regulatory AUM
$260M
AUM share
85.5%
Avg. per client
$1.72M
Charitable organizations
Clients
Fewer than 5
Regulatory AUM
$365K
AUM share
0.1%
Avg. per client
—

Total

Clients
188
Regulatory AUM
$304M
AUM share
100%
Avg. per client
—
Clients outside the U.S.
0%
Clients advised without assets under management last fiscal year
0
Private funds advised
0
Financial planning clients last fiscal year
0

Nautilus Advisors fees and minimums

Nautilus Advisors charges 0.90%–1.50% a year for its Comprehensive Portfolio Management. The fee is billed in advance and is negotiable. The brochure also prices one other service, listed under fee details.

Fee details and sources

Other fees

Financial Planning and Consulting
Charged as a flat fee, generally $500 to $10,000, with a retainer of 50% of the ultimate fee.

Who owns Nautilus Advisors

Michael Behner owns 75% or more of Nautilus Advisors. The leadership team of Nautilus Advisors includes Chief Compliance Officer Michael Behner. It has 3 employees.

Leadership

  • Michael Behner
    Chief Compliance Officer & Principal

Investment adviser representatives

3 representatives listed in the SEC register as of 9 October 2026.

  • Michael Shea Behner
  • Daniel Stoian Callan
  • Kara Joyce Marquez

Staff

  • 3 employees
  • 3 in advisory functions
  • 3 state-registered reps
  • 2 insurance agents
Ownership chain
Nautilus Advisors LLC· the adviser
  • Michael Behner

    Control person · since September 2010

    Owns 75% or more of Nautilus Advisors LLC

Growth and acquisitions

Nautilus Advisors’ regulatory assets grew 1.7× from $184M (March 2021) to $304M (February 2026); clients rose from 141 to 188 and employees were 3 in both filings.

By annual filing
Measure
Figures from each annual filing
Nautilus Advisors figures from each annual Form ADV filing
FiledRegulatory AUMClientsEmployeesOffices
February 2026$304M18832
March 2025$268M24732
March 2024$235M23632
March 2023$226M17432
March 2022$209M16532
March 2021$184M14132

Offices and registration details

Besides its headquarters, Nautilus Advisors has 1 office, with 2 listed addresses in California.

Listed office addresses in California
Ladera Ranch

California · 2 listed addresses

  • 888 Prospect St., Suite 200, La JollaHQ
  • 999 Corporate Drive, Ladera Ranch

Other business names

Nautilus Advisors has reported 1 other business name to the SEC.

  • NTLS Wealth Management

Contact and registration details

Legal name
Nautilus Advisors LLC
Headquarters
888 Prospect St., Suite 200, La Jolla, CA 92037
SEC file
801-71754
Founded
2010
Structure
California LLC
Fiscal year end
December

Custodians

Nautilus Advisors uses Charles Schwab ($250M) as custodian for its separately managed accounts. Nautilus Advisors does not have custody of client assets.

Reported separately managed account assets by custodian
$250M
named custodians
  • Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $250M100%

Investments and reported holdings

At year end, Nautilus Advisors’ separately managed accounts were largely in funds (42%) and stocks (35%). Its reported 13F holdings for the quarter ended 30 June 2026 total $170M across 179 positions; the largest are Amazon Com Inc. (5.0%), Apple Inc. (4.9%) and Alphabet Inc. (4.2%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks35%
  • Funds42%
  • Bonds10%
    • State and local bonds6%
    • Investment grade corporate bonds2%
    • High-yield corporate bonds2%
  • Cash13%

Reported 13F holdings

$170M
Reported 13F value
179
Positions
30.3%
In the 10 largest
+16.3%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Amazon Com Inc.5.0%
  2. Apple Inc.4.9%
  3. Alphabet Inc. · Cap Stk CL A4.2%
  4. State Str SPDR S&P 500 ETF T · TR Unit4.1%
  5. Dimensional ETF Trust · US Cor Equ 2 ETF2.5%
  6. Netflix Inc..2.2%
  7. Costco Wholesale Corporation2.0%
  8. Alphabet Inc. · Cap Stk CL C1.9%
  9. Applied Matls Inc.1.8%
  10. J P Morgan Exchange Traded F · Jpmorgam Ltd Dur1.7%

Together, the ten largest are 30.3% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 14 July 2026

Common questions

How many clients does Nautilus Advisors have?

Nautilus Advisors has 188 clients and manages $304 million for them, as of February 2026. They include 151 high-net-worth individuals and 37 individual clients.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 25 February 2026

What services does Nautilus Advisors offer?

Nautilus Advisors provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, education planning, estate planning, insurance, philanthropic planning, and tax planning.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file; Part 2A brochure, Item 4

How much does Nautilus Advisors charge?

Nautilus Advisors charges 0.90%–1.50% a year for its Comprehensive Portfolio Management. The fee is billed in advance and is negotiable.

Source: NA - FORM ADV PART 2A: FIRM BROCHURE, filed 25 February 2026

Which custodians does Nautilus Advisors use?

Nautilus Advisors’ separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $250M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 25 February 2026

How many financial advisors does Nautilus Advisors have?

Nautilus Advisors has 3 investment adviser representatives registered with state securities authorities, out of 3 employees, and 3 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 2 employees are licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Nautilus Advisors invest in?

At the end of its last fiscal year, Nautilus Advisors’ separately managed accounts held 42% registered funds (mutual funds, ETFs, BDCs), 35% exchange-traded equities, 13% cash and equivalents, 6% state and local bonds, 2% investment grade corporate bonds and 2% high-yield corporate bonds.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Nautilus Advisors?

Nautilus Advisors’ direct owner is Michael Behner (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 25 February 2026

How does Nautilus Advisors get paid?

Nautilus Advisors is paid through a percentage of assets under management and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

Is Nautilus Advisors registered with the SEC?

Yes, Nautilus Advisors has been registered with the SEC as an investment adviser since 1 September 2010. Its CRD number is 154169 and its SEC file number is 801-71754.

Source: Form ADV Part 1A, Item 1, filed 25 February 2026; IAPD firm record

How do I contact Nautilus Advisors?

Nautilus Advisors’ main office is at 888 Prospect St., Suite 200, La Jolla, CA 92037. Its phone number is 619-573-4590. Its website is nautilusadv.com.

Source: Form ADV Part 1A, Item 1.F, filed 25 February 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 25 February 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. NA - FORM ADV PART 2A: FIRM BROCHURE, submitted 25 February 2026.
  3. IAPD firm record, CRD 154169.
  4. SEC registered adviser data, annual Form ADV amendments filed 17 March 2021 to 25 February 2026. Items 1.F and 5.
  5. SEC investment adviser representative register, as of 9 October 2026; loaded 10 October 2026.
  6. Form 13F-HR, filed 14 July 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one.

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