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Cornerstone Trust Management Services

InstitutionalAsset manager

Altamonte Springs, FLCRD 170864Updated

Cornerstone Trust Management Services is an investment adviser based in Altamonte Springs, FL, registered with the SEC since 2014. Its clients include other clients. Its regulatory assets under management total $1.08 billion, as filed on 24 March 2026.

1
Clients
Not reported
AUM per individual client
1
Advisory staff
1
Offices

From Form ADV filed 24 March 2026SEC record

Services and clients

Cornerstone Trust Management Services reports 1 client. They include 1 other client. Of its assets, 0.0% ($0 across 0 accounts) are managed with discretion; $1.08B across 1 account is not.

Clients and assets by client type
Clients1 client
Assets$1.08B
Share of clients and assets by client type
Client typeClientsAssets
Other100%100%
Client breakdown and activity details
Other
Clients
Fewer than 5
Regulatory AUM
$1.08B
AUM share
100.0%
Avg. per client
$1.08B

Total

Clients
1
Regulatory AUM
$1.08B
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

Fees and minimums

Cornerstone Trust Management Services is paid through a percentage of assets under management; its fees and minimums are set out in its brochures on the SEC website.

Ownership and people

Cemetery Management Services, L.L.C. owns 75% or more of Cornerstone Trust Management Services and is in turn owned by Henlopen Memorial Park Subsidiary LLC (75% or more). Lilly Donohue is CEO; the leadership team includes Chief Investment Officer William Corbett and Chief Financial Officer Scott Stefani. It has 2 employees, 1 of them in advisory roles.

Leadership

  • Lilly Donohue
    Chief Executive Officer and President
  • Scott Stefani
    Chief Financial Officer and Treasurer
  • William Corbett
    Chief Investment Officer
  • Karen Sheean
    Chief People Officer
  • Lorena Trujillo
    CCO, General Counsel, Secretary

Staff

  • 2 employees
  • 1 in advisory functions
Who owns the firm
Cornerstone Trust Management Services LLC· the adviser
  • Cemetery Management Services, L.L.C.

    Control person · since December 2001

    Owns 75% or more of Cornerstone Trust Management Services LLC
    • Henlopen Memorial Park Subsidiary LLC

      Control person · since September 2004

      Owns 75% or more of Cemetery Management Services, L.L.C.
      • Cornerstone Family Services of West Virginia Subsidiary, Inc.

        Control person · since December 2009

        Owns 75% or more of Henlopen Memorial Park Subsidiary LLC
        • Cornerstone Family Services of West Virginia LLC

          Sole shareholder · Control person · since September 2004

          • Stonemor Operating LLC

            Sole member · Control person · since September 2004

            • Stonemor Partners L.P.

              Control person · since September 2004

              Owns 75% or more of Stonemor Operating LLC
              • Stonemor LP Holdings, LLC

                since December 2019

                Owns 75% or more of Stonemor Partners L.P.
              • Stonemor Inc.

                General partner · Control person · since December 2019

                • Everstory Parent Corp.

                  Control person · since November 2022

                  Owns 75% or more of Stonemor Inc.

Growth and acquisitions

Cornerstone Trust Management Services’ regulatory assets grew from $824M (March 2021) to $1.08B (March 2026); clients were 1 in both filings and employees fell from 3 to 2.

By annual filing
Measure
Figures from each annual filing
Cornerstone Trust Management Services figures from each annual Form ADV filing
FiledRegulatory AUMClientsEmployeesOffices
March 2026$1.08B121
March 2025$1.16B131
March 2024$1B131
March 2023$1B131
March 2022$876M131
March 2021$824M131

Offices and registration details

Besides its headquarters, Cornerstone Trust Management Services has 0 offices, with 1 listed address in Florida.

Listed office addresses in Florida
Altamonte Springs

Florida · 1 listed address

  • 955 Keller Road, Suite 1500, Altamonte SpringsHQ

Contact and registration details

Legal name
Cornerstone Trust Management Services LLC
Headquarters
955 Keller Road, Suite 1500, Altamonte Springs, FL 32714
Website
Not reported
SEC file
801-79734
Structure
Delaware LLC
Fiscal year end
December

Custodians

Cornerstone Trust Management Services uses Regions Bank As Custodian ($1.08B) as custodian for its separately managed accounts. Cornerstone Trust Management Services does not have custody of client assets.

Reported separately managed account assets by custodian
$1.08B
named custodians
  • Regions Bank As CustodianRegions Bank As Custodian · Birmingham, AL · $1.08B100%

Investments and reported holdings

At year end, Cornerstone Trust Management Services’ separately managed accounts were mostly in funds (94%).

What the accounts hold

Separately managed account assets by class, year end
  • Funds94%
    • Pooled vehicles93%
    • Registered funds1%
  • Cash6%

Common questions

How many clients does Cornerstone Trust Management Services have?

Cornerstone Trust Management Services has 1 client and manages $1.08 billion for them, as of March 2026. They include 1 other client.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 24 March 2026

Which custodians does Cornerstone Trust Management Services use?

Cornerstone Trust Management Services’ separately managed account assets are held at Regions Bank As Custodian (Birmingham, AL), with $1.08B. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 24 March 2026

How many financial advisors does Cornerstone Trust Management Services have?

Cornerstone Trust Management Services has 0 investment adviser representatives registered with state securities authorities, out of 2 employees, and 1 perform investment advisory functions. None are registered representatives of a broker-dealer or 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 Cornerstone Trust Management Services invest in?

At the end of its last fiscal year, Cornerstone Trust Management Services’ separately managed accounts held 93% pooled vehicles (private funds and similar), 6% cash and equivalents and 1% registered funds (mutual funds, ETFs, BDCs).

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

Who owns Cornerstone Trust Management Services?

Cornerstone Trust Management Services is owned through a chain of holding companies by Stonemor LP Holdings, LLC and Everstory Parent Corp. Its direct owner is Cemetery Management Services, L.L.C. (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 24 March 2026

How does Cornerstone Trust Management Services get paid?

Cornerstone Trust Management Services is paid through a percentage of assets under management. 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

How do I contact Cornerstone Trust Management Services?

Cornerstone Trust Management Services’ main office is at 955 Keller Road, Suite 1500, Altamonte Springs, FL 32714. Its phone number is 215-826-2800.

Source: Form ADV Part 1A, Item 1.F, filed 24 March 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 24 March 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 170864.
  3. SEC registered adviser data, annual Form ADV amendments filed 27 March 2021 to 24 March 2026. Items 1.F and 5.

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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