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What to do when a Mariner account holder dies

Report the death to Mariner at 1-800-384-1756

After an account holder at Mariner dies, accounts with beneficiary designations or trust ownership transfer to the designated recipients without probate. Solely-owned accounts require the estate's representative to contact Mariner at 1-913-904-5700 with the proper legal authority documents.

Death claim process

To file a claim after an account holder's death, here is what Mariner requires:

Filing a claim

1
Notify Mariner through the deceased client's advisor directly, or at 800-384-1756. Mariner has no bereavement department and no claims portal; the advisor is the coordination point.
2
Ask the advisor which custodian holds each account and how each account was registered.
  • The custodian is Charles Schwab, Fidelity (National Financial Services LLC) or Pershing. The claim is filed there, on that firm's paperwork
  • The registration is individual, joint, TOD, or in the name of a trust
3
Assemble the documents the custodian will ask for, and work through the custodian's claim packet with the advisor.
4
File the claim with the custodian, on its paperwork, signed by the person entitled to the assets. The transfer runs on the custodian's clock once its claim packet is submitted in good order.
5
Decide the advisory relationship: terminate the Agreement, or continue it with the inheriting party.

What happens to each kind of account7

Investment account

Mariner does not hold client assets: the accounts sit with qualified custodians, Charles Schwab, Fidelity (National Financial Services LLC) and Pershing. The death claim is the custodian's process, on its forms; the advisor identifies the accounts, produces date-of-death values and walks the claim packet through.1, 2, 3

On a taxable account with a TOD registration, the custodian re-registers the account to the TOD beneficiary, outside probate.4

Joint account with survivorship

The custodian re-registers a joint account with survivorship to the survivor, outside probate.4

Account in one name

An individually owned account with no TOD registration and no trust is a probate asset, released on Letters. It waits on the probate court to issue Letters.4

IRA

The beneficiary named on the custodian's form takes the IRA, through an inherited IRA opened at that custodian.4

Trust account

A trust-titled account, or an account where Mariner Trust Company serves as trustee or co-trustee, is administered by Mariner Trust Company under the trust's terms. No probate court is involved and no court appointment is needed before anyone has authority to act.4

Life insurance policy

A policy placed through Mariner Insurance Resources is claimed from the issuing carrier, not from Mariner, on the carrier's claim form.4

Annuity

An annuity placed through Mariner Insurance Resources is claimed from the issuing carrier, not from Mariner, on the carrier's claim form.4

Mariner's brochure notes that an annuity contract's cash value and its net death benefit are different figures.2

Accounts handled elsewhere4

Charles Schwab & Co., Inc.

Custody of Mariner client accounts held there; the claim is filed on its forms1, 2, 3

Fidelity (National Financial Services LLC)

Custody of Mariner client accounts held there; the claim is filed on its forms1, 2, 3

Pershing

Custody of Mariner client accounts held there; the claim is filed on its forms2, 3

Mariner Trust Company, LLC

Accounts where it serves as trustee or co-trustee, administered under the trust4

What Mariner provides to the estate1

Date-of-death balance letter

The advisor supplies the custodian's date-of-death valuation of the accounts.4

What Mariner's agreement and guidance say3

How proceeds are paid

Mariner may instruct a custodian to send a check to the client's name and address of record, but "all third-party distributions from your custodial account(s) must be signed by you." It has no authority to direct a distribution to a third party, so it cannot move the money to a beneficiary or an estate account.2

Fees

The advisory Agreement does not end at death: it runs until either party terminates it, and Mariner's fee is prorated through the termination date. Clients on the current standard fee schedule are generally subject to a non-refundable minimum quarterly fee of $1,875, which an idle estate account continues to incur.4

Accounts from a merged institution

Mariner has grown by acquiring advisory firms, so a decedent's statements may still carry an acquired firm's name. It is the same firm, and 800-384-1756 reaches it.3

Not in Mariner's published guidance4

  • A procedure for reporting a death
  • A claim form
  • How long a claim takes
  • A list of required documents

Sources4

  1. 1.Form ADV Part 1, filed 8/5/2026
  2. 2.Form ADV Part 2A brochure, dated July 17, 2026
  3. 3.Client Login
  4. 4.Contact Us
Download instructions for the whole estate

Mariner can be reached by phone at 1-800-384-1756 and fax at 1-913-904-5701 for questions throughout the claims process.

SimplyTrustSimplyTrust Editorial·

Sources

Data sourced from Mariner primary sources (15 pages reviewed). How we research.

Mariner death claims support

Fax

1-913-904-5701

Hours

Monday-Friday 8:00 AM-5:00 PM CT

Mailing address

Mariner, 5700 W. 112th Street, Suite 500, Overland Park, KS 66211
Verified Sep 2026

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