SEC-registered independent wealth management RIA
Mariner
As of its Form ADV filed August 5, 2026, Mariner, an SEC-registered independent wealth management RIA in Overland Park, Kansas, reported $125.4 billion in regulatory assets under management across 186,791 accounts, ranking #2 among independent RIAs in Kansas by assets.
Registration
- Main office
- Overland Park, KS
- Registration
- SEC-registered, Approved
- CRD number
- 140195
- SEC file number
- 801-66632
- Registered since
- April 24, 2006
- Latest Form ADV filing
- August 5, 2026
- Legal name
- MARINER, LLC
- Organized as
- Limited Liability Company
- Fiscal year ends
- December
- Other offices
- 130
Key figures
- Regulatory assets under management
- $125.4 billion
- Discretionary
- $123.2 billion (98.2%)
- Non-discretionary
- $2.2 billion
- Accounts
- 186,791 (184,275 discretionary)
- Clients
- 55,728, approximate as reported
- Employees
- 1,889
- Advisory staff
- 933 performing investment advisory functions
- Average account
- $671,384
- Asset growth, 1 year
- 27.2% (from $98.6 billion a year earlier)
- Asset growth, 3-year annual rate
- 23.9% (from $65.9 billion three years earlier)
- Asset growth, 5-year annual rate
- 29.1% (from $35.0 billion five years earlier)
- Client growth, 1 year
- 24.6% (from 44,733)
Independent wealth management RIA: individual and high net worth clients hold at least half of its regulatory assets, it offers financial planning or portfolio management for individuals, and it is not a broker-dealer, a bank or part of one by the directory's rules. How firms are classed.
Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.
Rankings
Among independent wealth management RIAs.
| Ranking | Nationally | In Kansas | Value |
|---|---|---|---|
| Largest independent RIAs by assets under management | #9 | #2 | $125.4 billion |
| Fastest-growing independent RIAs over one year | #1,245 | #27 | 27.2%from $98.6 billion |
| Fastest-growing independent RIAs over three years | #1,007 | #21 | 23.9%from $65.9 billion |
| Fastest-growing independent RIAs over five years | #223 | #5 | 29.1%from $35.0 billion |
| Independent RIAs with the biggest asset gains over one year | #9 | #2 | $26.8 billion |
| Independent RIAs with the most clients | #21 | #3 | 55,728 |
| Independent RIAs with the fastest client growth over one year | #591 | #10 | 24.6%from 44,733 |
| Independent RIAs with the most accounts | #14 | #3 | 186,791 |
| Independent RIAs with the most advisory staff | #7 | #2 | 933 |
| Independent RIAs with the most high net worth clients | #8 | #2 | 22,322 |
| Independent RIAs with the most CFP professionals | #3 | #2 | 456 |
Assets over time
Data table
| As of | RAUM |
|---|---|
| October 1, 2010 | $1.3 billion |
| October 3, 2011 | $1.9 billion |
| October 1, 2012 | $2.0 billion |
| October 1, 2013 | $2.3 billion |
| October 1, 2014 | $8.6 billion |
| October 1, 2015 | $10.1 billion |
| October 3, 2016 | $673.0 million |
| October 2, 2017 | $896.1 million |
| October 1, 2018 | $6.5 billion |
| October 1, 2019 | $22.0 billion |
| October 1, 2020 | $29.4 billion |
| October 4, 2021 | $35.0 billion |
| October 3, 2022 | $55.4 billion |
| October 5, 2023 | $65.9 billion |
| October 1, 2024 | $81.1 billion |
| September 2, 2025 | $98.6 billion |
| October 2, 2026 | $125.4 billion |
Clients and services
Client mix
| Measure | Bar | RAUM |
|---|---|---|
| High net worth individuals 22,322 clients | $104.9 billion | |
| Individuals (other than high net worth) 32,261 clients | $10.7 billion | |
| Banking or thrift institutions 56 clients | $4.0 billion | |
| Pension and profit sharing plans 458 clients | $3.8 billion | |
| Corporations or other businesses 257 clients | $879.7 million | |
| Charitable organizations 145 clients | $683.8 million | |
| Insurance companies 4 clients | $273.0 million | |
| Other investment advisers 6 clients | $205.2 million | |
| State or municipal government entities 1 client | $13.2 million | |
| Pooled investment vehicles 2 clients | $9.2 million |
How the firm is paid
- A percentage of assets under management
- Hourly charges
- Fixed fees
Advisory services
- Financial planning
- Portfolio management for individuals or small businesses
- Portfolio management for pooled investment vehicles
- Portfolio management for businesses or institutional clients
- Pension consulting
- Selection of other advisers
- Publication of periodicals or newsletters
- Educational seminars or workshops
- Other
Financial planning clients (Item 5.H): 41000.
Wrap fee program sponsor or portfolio manager: yes.
Other business, affiliations and custody
Other business activities (Item 6.A)
- Accountant or accounting firm
Financial industry affiliations (Item 7.A)
- Broker-dealer
- Other investment adviser
- Trust company
- Accountant or accounting firm
- Insurance company or agency
- Pension consultant
- Sponsor, general partner or managing member of pooled investment vehicles
Advises 2 private funds (Item 7.B).
Custody (Item 9)
The firm reported custody of client cash or securities, $33.8 billion in total.
Investment adviser representatives
- IARs registered with the firm
- 993
- Also registered through a broker-dealer
- 97
- Employees who are IARs (Form ADV 5.B(3))
- 933
Designations held by the firm's IARs: CFP 456, CFA 68, ChFC 22, PFS 8.
Between 311 and 576 of the firm's 993 IARs are registered in jurisdictions that require IAR CE. The source counts registrations by jurisdiction, and many IARs are registered in more than one, so the exact number is not knowable from it. IAR CE requirements by state.
Counts only. AdvisorIQ does not list individual people.
Disclosures
On Form ADV Item 11 the firm answered yes to 2 disclosure questions. See the detail on IAPD.
Succession and acquired firms
On Form ADV Item 4 the firm did not report succeeding to another adviser's business.
Similar-sized firms in Kansas
| Firm | City | RAUM |
|---|---|---|
| AE Wealth Management, LLC | Topeka | $49.8 billion |
| Mariner Independent | Overland Park | $7.3 billion |
| Creativeone Wealth, LLC | Overland Park | $6.3 billion |
| Fas Wealth Partners, Inc. | Leawood | $3.8 billion |
| Mariner | Overland Park | $2.8 billion |
The five independent RIAs nearest in regulatory assets with a main office in the same state.
Elsewhere
- Mariner on IAPD: Form ADV, brochures and disclosure detail.
- Firm website: mariner.com
- Independent RIAs in Kansas
Firm data as of October 2, 2026, from ia100226.zip. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.
Data as of October 2, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.