AUMdb

Financial Cornerstones, Llc

State-registered Wealth Manager · Boutique (under $100M) CRD 305120 · SEC file 801-117435 · The Woodlands, TX · WWW.FINANCIAL-CORNERSTONES.COM
☆ Save with Pro ADV data as of Feb 26, 2026
Regulatory AUM
$81.0M
Discretionary
$81.0M
Clients
67
Avg AUM / client
$1.2M
Accounts
167
Employees
2

AUM over time

$0 $81.0M
Sep 4, 2019 Feb 26, 2026

Reported AUM from Form ADV filings, plotted by filing date · as of Feb 26, 2026

Who they serve

Client typeClientsAUM% of AUM
Individuals (non-high net worth) 38 $11.7M 14.5%
High net worth individuals 29 $69.2M 85.5%

People (1)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
Mark Albert Lasseigne Managing Member & Chief Compliance Officer CFP Oct 2019 (7y) 75% or more

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 02/26/2026 1.02 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Percentage of assets under management

Services

  • Financial planning services
  • Portfolio management for individuals/small businesses
  • Portfolio management for businesses/institutional clients

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports having custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Feb 26, 2026.

View current Form ADV (SEC/IAPD) ↗