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AdvisorCensus / Financial advisors / Massachusetts / Boston / Cornerstone Financial Planning, LLC

Cornerstone Financial Planning, LLC

Portsmouth, NHSEC-registered investment adviserCRD 129656

Filed as CORNERSTONE FINANCIAL PLANNING, LLC

Cornerstone Financial Planning, LLC is an SEC-registered investment advisory firm in Portsmouth, NH, registered since 2016, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated September 21, 2026.

10 years
registered since 2016
$400,691,257
assets under management
3 arrangements
Percentage of assets, Hourly and more
None
disclosure items (Item 11)

Quick answers

From the filing

How is Cornerstone Financial Planning, LLC compensated?

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

Where is Cornerstone Financial Planning, LLC located?

Cornerstone Financial Planning, LLC's principal office is in Portsmouth, NH, according to its Form ADV; the October 2026 filing also lists 1 other office (Schedule D, Section 1.F).

Is Cornerstone Financial Planning, LLC registered with the SEC or a state?

Cornerstone Financial Planning, LLC is an SEC-registered investment advisory firm, registered since 2016. Status as filed: Approved. CRD 129656.

How much does Cornerstone Financial Planning, LLC manage?

Cornerstone Financial Planning, LLC reports $400,691,257 in regulatory assets under management in its Form ADV filing dated September 21, 2026 (99% discretionary).

How have Cornerstone Financial Planning, LLC's assets and staff changed since 2021?

In the Form ADV data for Cornerstone Financial Planning, LLC: Regulatory assets under management: $237,636,177 in the October 2021 data and $400,691,257 in the October 2026 data, up 69%. Total employees: 5 in October 2021 and 6 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Cornerstone Financial Planning, LLC serve?

By number of clients on Form ADV Item 5.D: high net worth individuals (167); individuals (other than high net worth individuals) (80).

Which custodians does Cornerstone Financial Planning, LLC use?

Cornerstone Financial Planning, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Fidelity Brokerage Services LLC as a custodian holding 10% or more of its separately managed account assets.

Does Cornerstone Financial Planning, 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/129656

What changed in Cornerstone Financial Planning, LLC's recent Form ADV filings?

In the September 2026 filing data: Registered or notice-filed in 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

The brochure lists different fees for different services or strategies. See the firm's brochure (dated August 3, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$400,691,257

$400,691,257 as of October 2026, filing dated September 21, 2026.

Discretionary: $398,282,286.Non-discretionary: $2,408,971.

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 80 Assets $32,696,256 (8%)
High net worth individuals
Clients 167 Assets $367,995,001 (92%)

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
  • 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
2016 (10 years)
Employees
Total: 6. Performing investment advisory functions: 6.
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)
1 other office, as of the October 2026 filing
Portland, ME
States registered or notice-filed
9 states or jurisdictions
CACTFLMAMDMENHNYTX

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
$238M 2021 $267M 2022 $254M 2023 $306M 2024 $336M 2025 $401M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$400,691,2576September 21, 2026
October 2025$336,027,9797March 26, 2025
October 2024$306,048,4527May 2, 2024
October 2023$254,201,6377March 23, 2023
October 2022$266,577,1938August 3, 2022
October 2021$237,636,1775May 13, 2021

Regulatory assets under management: $237,636,177 in the October 2021 data and $400,691,257 in the October 2026 data, up 69%.

Total employees: 5 in October 2021 and 6 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. September 2026
    • Registered or notice-filed in NY.
  2. April 2026
    • Regulatory assets under management went from $336,027,979 to $400,691,257 (+19%).
  3. December 2025
    • Registered or notice-filed in CT.

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
cornerstoneplanning.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. Cornerstone Financial Planning, LLC (CRD 129656): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/cornerstone-financial-planning-llc-portsmouth-nh-129656