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American Investment Services Inc

Great Barrington, MASEC-registered investment adviserCRD 110043

Filed as AMERICAN INVESTMENT SERVICES INC

American Investment Services Inc is an SEC-registered investment advisory firm in Great Barrington, MA, registered since 1979, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 31, 2026.

47 years
registered since 1979
$1,072,980,569
assets under management
1 arrangement
Percentage of assets
None
disclosure items (Item 11)

Quick answers

From the filing

How is American Investment Services Inc compensated?

On its Form ADV (Item 5.E, October 2026), American Investment Services Inc reports these compensation arrangements: a percentage of assets under its management.

Where is American Investment Services Inc located?

American Investment Services Inc's principal office is in Great Barrington, MA, according to its Form ADV.

Is American Investment Services Inc registered with the SEC or a state?

American Investment Services Inc is an SEC-registered investment advisory firm, registered since 1979. Status as filed: Approved. CRD 110043.

How much does American Investment Services Inc manage?

American Investment Services Inc reports $1,072,980,569 in regulatory assets under management in its Form ADV filing dated March 31, 2026 (100% discretionary).

How have American Investment Services Inc's assets and staff changed since 2021?

In the Form ADV data for American Investment Services Inc: Regulatory assets under management: $1,183,817,935 in the October 2021 data and $1,072,980,569 in the October 2026 data, down 9%. Total employees: 13 in October 2021 and 10 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does American Investment Services Inc serve?

By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (202); high net worth individuals (157); charitable organizations (13).

Which custodians does American Investment Services Inc use?

American Investment Services Inc's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. as a custodian holding 10% or more of its separately managed account assets.

Does American Investment Services Inc 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/110043

What changed in American Investment Services Inc's recent Form ADV filings?

In the April 2026 filing data: Employees performing advisory functions went from 6 to 5. Regulatory assets under management went from $1,295,294,172 to $1,072,980,569 (-17%). Updated its list of owners and control persons (Schedule A).

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

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

See the firm's brochure (dated March 31, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$1,072,980,569

$1,072,980,569 as of October 2026, filing dated March 31, 2026.

Discretionary: $1,072,980,569.Non-discretionary: $0.

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 202 Assets $98,299,678 (9%)
High net worth individuals
Clients 157 Assets $572,748,578 (53%)
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 Fewer than 5 Assets $6,963,572 (1%)
Charitable organizations
Clients 13 Assets $272,812,034 (25%)
State or municipal government entities (including government pension plans)
Clients 0 Assets Not reported
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 6 Assets $122,156,707 (11%)
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
  • Portfolio management for individuals and/or small businesses
  • Portfolio management for businesses (other than small businesses) or institutional clients
  • Selection of other advisers (including private fund managers)

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
1979 (47 years)
Employees
Total: 10. Performing investment advisory functions: 5.
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
25 states or jurisdictions
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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
$1.18B 2021 $1.28B 2022 $1.2B 2023 $1.24B 2024 $1.3B 2025 $1.07B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$1,072,980,56910March 31, 2026
October 2025$1,295,294,17210March 31, 2025
October 2024$1,243,691,84511March 29, 2024
October 2023$1,203,447,67711March 31, 2023
October 2022$1,283,076,20913March 30, 2022
October 2021$1,183,817,93513July 1, 2021

Regulatory assets under management: $1,183,817,935 in the October 2021 data and $1,072,980,569 in the October 2026 data, down 9%.

Total employees: 13 in October 2021 and 10 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 6 to 5.
    • Regulatory assets under management went from $1,295,294,172 to $1,072,980,569 (-17%).
    • Updated its list of owners and control persons (Schedule A).

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
americaninvestment.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. American Investment Services Inc (CRD 110043): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/american-investment-services-inc-great-barrington-ma-110043