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S.A. Mason, LLC

Holland, MISEC-registered investment adviserCRD 151440

Filed as S.A. MASON, LLC

S.A. Mason, LLC is an SEC-registered investment advisory firm in Holland, MI, registered since 2009, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated March 26, 2026.

17 years
registered since 2009
$528,671,189
assets under management
3 arrangements
Percentage of assets, Hourly and more
None
disclosure items (Item 11)

Quick answers

From the filing

How is S.A. Mason, LLC compensated?

On its Form ADV (Item 5.E, October 2026), S.A. Mason, LLC reports these compensation arrangements: a percentage of assets under its management; hourly charges; fixed fees (other than subscription fees).

Where is S.A. Mason, LLC located?

S.A. Mason, LLC's principal office is in Holland, MI, according to its Form ADV.

Is S.A. Mason, LLC registered with the SEC or a state?

S.A. Mason, LLC is an SEC-registered investment advisory firm, registered since 2009. Status as filed: Approved. CRD 151440.

How much does S.A. Mason, LLC manage?

S.A. Mason, LLC reports $528,671,189 in regulatory assets under management in its Form ADV filing dated March 26, 2026 (81% discretionary).

How have S.A. Mason, LLC's assets and staff changed since 2021?

In the Form ADV data for S.A. Mason, LLC: Regulatory assets under management: $479,852,586 in the October 2021 data and $528,671,189 in the October 2026 data, up 10%. Total employees: 2 in October 2021 and 3 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does S.A. Mason, LLC serve?

By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (164); high net worth individuals (90); charitable organizations (18).

Which custodians does S.A. Mason, LLC use?

S.A. Mason, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. and Fifth Third Bank as custodians holding 10% or more of its separately managed account assets.

Does S.A. Mason, 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/151440

Does S.A. Mason, LLC state an account minimum?

Its Form ADV Part 2A brochure dated March 26, 2026 says: "There is an account minimum, $250,000, which may be waived by the investment advisor, based on the needs of the client and the complexity of the situation."

What changed in S.A. Mason, LLC's recent Form ADV filings?

In the April 2026 filing data: Employees performing advisory functions went from 2 to 3. Regulatory assets under management went from $636,110,522 to $528,671,189 (-17%). Registered or notice-filed in OK.

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)

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 2A

Account minimum: $250,000 (the brochure says it may be waived or negotiated)

The brochure's wording
There is an account minimum, $250,000, which may be waived by the investment advisor, based on the needs of the client and the complexity of the situation.

As stated in the firm's Form ADV Part 2A brochure dated March 26, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site

Regulatory assets under management

Item 5.F
$528,671,189

$528,671,189 as of October 2026, filing dated March 26, 2026.

Discretionary: $427,288,577.Non-discretionary: $101,382,612.

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.D
Individuals (other than high net worth individuals)
Clients 164 Assets $25,048,973 (5%)
High net worth individuals
Clients 90 Assets $460,604,439 (87%)
Banking or thrift institutions
Clients 0 Assets $0 (0%)
Investment companies
Clients 0 Assets $0 (0%)
Business development companies
Clients 0 Assets $0 (0%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 0 Assets $0 (0%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 0 Assets $0 (0%)
Charitable organizations
Clients 18 Assets $30,134,303 (6%)
State or municipal government entities (including government pension plans)
Clients 0 Assets $0 (0%)
Other investment advisers
Clients 0 Assets $0 (0%)
Insurance companies
Clients 0 Assets $0 (0%)
Sovereign wealth funds and foreign official institutions
Clients 0 Assets $0 (0%)
Corporations or other businesses not listed above
Clients 10 Assets $12,883,474 (2%)
Other
Clients 0 Assets $0 (0%)

A 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
  • Financial planning services
  • Portfolio management for individuals and/or small businesses

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2009 (17 years)
Employees
Total: 3. Performing investment advisory functions: 3.
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
6 states or jurisdictions
CAFLILMIOKTX

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None 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
$480M 2021 $544M 2022 $454M 2023 $574M 2024 $636M 2025 $529M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$528,671,1893March 26, 2026
October 2025$636,110,5222March 12, 2025
October 2024$573,916,6852March 28, 2024
October 2023$454,256,2922March 7, 2023
October 2022$544,361,5232March 9, 2022
October 2021$479,852,5862March 11, 2021

Regulatory assets under management: $479,852,586 in the October 2021 data and $528,671,189 in the October 2026 data, up 10%.

Total employees: 2 in October 2021 and 3 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
  1. April 2026
    • Employees performing advisory functions went from 2 to 3.
    • Regulatory assets under management went from $636,110,522 to $528,671,189 (-17%).
    • Registered or notice-filed in OK.

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.I
sa-mason.com

Source: 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. S.A. Mason, LLC (CRD 151440): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/s-a-mason-llc-holland-mi-151440