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Main Line Retirement Advisors, LLC

Whitefish, MTSEC-registered investment adviserCRD 284780

Filed as MAIN LINE RETIREMENT ADVISORS, LLC

Main Line Retirement Advisors, LLC is an SEC-registered investment advisory firm in Whitefish, MT, registered since 2016, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated March 23, 2026.

10 years
registered since 2016
$448,606,506
assets under management
3 arrangements
Percentage of assets, Hourly and more
None
disclosure items (Item 11)

Quick answers

From the filing

How is Main Line Retirement Advisors, LLC compensated?

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

Where is Main Line Retirement Advisors, LLC located?

Main Line Retirement Advisors, LLC's principal office is in Whitefish, MT, according to its Form ADV; the April 2026 filing also lists 2 other offices (Schedule D, Section 1.F).

Is Main Line Retirement Advisors, LLC registered with the SEC or a state?

Main Line Retirement Advisors, LLC is an SEC-registered investment advisory firm, registered since 2016. Status as filed: Approved. CRD 284780.

How much does Main Line Retirement Advisors, LLC manage?

Main Line Retirement Advisors, LLC reports $448,606,506 in regulatory assets under management in its Form ADV filing dated March 23, 2026 (100% discretionary).

How have Main Line Retirement Advisors, LLC's assets and staff changed since 2021?

In the Form ADV data for Main Line Retirement Advisors, LLC: Regulatory assets under management: $279,560,486 in the October 2021 data and $448,606,506 in the October 2026 data, up 60%. Total employees: 3 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 Main Line Retirement Advisors, LLC serve?

By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (98); high net worth individuals (60); pension and profit sharing plans (but not the plan participants or government pension plans) (23).

Which custodians does Main Line Retirement Advisors, LLC use?

Main Line Retirement Advisors, LLC'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 Main Line Retirement Advisors, 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/284780

Does Main Line Retirement Advisors, LLC state an account minimum?

Its Form ADV Part 2A brochure dated February 24, 2026 says: "As a condition for starting and maintaining a n advisory relationship, we generally require for investment advisory services is $ 1,000,000."

What changed in Main Line Retirement Advisors, LLC's recent Form ADV filings?

In the March 2026 filing data: Regulatory assets under management went from $394,229,834 to $448,606,506 (+14%). Registered or notice-filed in CO, NY.

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: $1,000,000

The brochure's wording
As a condition for starting and maintaining a n advisory relationship, we generally require for investment advisory services is $ 1,000,000.

As stated in the firm's Form ADV Part 2A brochure dated February 24, 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
$448,606,506

$448,606,506 as of October 2026, filing dated March 23, 2026.

Discretionary: $448,606,506.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 98 Assets $30,072,256 (7%)
High net worth individuals
Clients 60 Assets $224,553,529 (50%)
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 23 Assets $193,980,721 (43%)
Charitable organizations
Clients 0 Assets $0 (0%)
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 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
  • 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
Also doing business as
HEARTSTONE ADVISORS
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2016 (10 years)
Employees
Total: 3. Performing investment advisory functions: 2.
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.

Other offices (Schedule D, Section 1.F)
2 other offices, as of the April 2026 filing
Radnor, PAWhitefish, MT
States registered or notice-filed
7 states or jurisdictions
COMTNHNJNYPATX

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
$280M 2021 $332M 2022 $304M 2023 $357M 2024 $394M 2025 $449M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$448,606,5063March 23, 2026
October 2025$394,229,8343March 3, 2025
October 2024$357,323,6833March 5, 2024
October 2023$303,750,8003July 11, 2023
October 2022$332,167,9443March 22, 2022
October 2021$279,560,4863July 26, 2021

Regulatory assets under management: $279,560,486 in the October 2021 data and $448,606,506 in the October 2026 data, up 60%.

Total employees: 3 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. March 2026
    • Regulatory assets under management went from $394,229,834 to $448,606,506 (+14%).
    • Registered or notice-filed in CO, NY.

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
heartstoneadvisors.commlra401k.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. Main Line Retirement Advisors, LLC (CRD 284780): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/main-line-retirement-advisors-llc-whitefish-mt-284780