# Flagstone Financial Management, LLC

> Flagstone Financial Management, LLC is an SEC-registered investment advisory firm in Lincoln, NE, registered since 2016, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated April 21, 2026.

- CRD: 285484
- Filed as: FLAGSTONE FINANCIAL MANAGEMENT, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Lincoln, NE
- Filing period: October 2026
- Form ADV filing dated: April 21, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/285484
- AdvisorCensus page: https://advisorcensus.com/firm/flagstone-financial-management-llc-lincoln-ne-285484

## Quick answers

**How is Flagstone Financial Management, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Flagstone Financial Management, LLC reports these compensation arrangements: a percentage of assets under its management; hourly charges; fixed fees (other than subscription fees).

**How much does Flagstone Financial Management, LLC charge?**
Its Form ADV Part 2A brochure dated April 21, 2026 states: Subscription: $400 to $2,000 a month (Ongoing Fixed-Fee Financial Planning); Flat fee: $4,000 to $15,000 (One-Time Financial Plan). Fees can differ by service and may be negotiable; the brochure is the complete statement.

**Where is Flagstone Financial Management, LLC located?**
Flagstone Financial Management, LLC's principal office is in Lincoln, NE, according to its Form ADV.

**Is Flagstone Financial Management, LLC registered with the SEC or a state?**
Flagstone Financial Management, LLC is an SEC-registered investment advisory firm, registered since 2016. Status as filed: Approved. CRD 285484.

**How much does Flagstone Financial Management, LLC manage?**
Flagstone Financial Management, LLC reports $467,767,160 in regulatory assets under management in its Form ADV filing dated April 21, 2026 (100% discretionary).

**How have Flagstone Financial Management, LLC's assets and staff changed since 2021?**
In the Form ADV data for Flagstone Financial Management, LLC: Regulatory assets under management: $209,151,734 in the October 2021 data and $467,767,160 in the October 2026 data, up 124%. Total employees: 8 in October 2021 and 11 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Flagstone Financial Management, LLC serve?**
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (221); high net worth individuals (126); charitable organizations (5).

**Which custodians does Flagstone Financial Management, LLC use?**
Flagstone Financial Management, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists LPL Financial LLC as a custodian holding 10% or more of its separately managed account assets.

**Does Flagstone Financial Management, 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/285484

**What changed in Flagstone Financial Management, LLC's recent Form ADV filings?**
In the April 2026 filing data: Regulatory assets under management went from $375,178,791 to $467,767,160 (+25%). Employees performing advisory functions went from 6 to 5.

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Hourly charges
- Fixed fees (other than subscription fees)

### Fees and minimums (Form ADV Part 2A brochure dated April 21, 2026)

- Subscription: $400 to $2,000 a month (Ongoing Fixed-Fee Financial Planning)

> Ongoing Fixed-Fee Financial Planning -- An initial fee of $2,000 will be collected up front, followed by ongoing fixed monthly charges. The minimum monthly fee is $400. The actual monthly fee is negotiable, will range between $400 to $2,000 per month

- Flat fee: $4,000 to $15,000 (One-Time Financial Plan)

> One-Time Financial Plan -- Fees for financial planning and consulting services will be charged on a fixed fee basis as determined jointly by you and Flagstone Financial Management. These fees range between $4,000 to $15,000 per engagement.

As stated in the firm's brochure. Fees can differ by service and may be negotiable.

### Custodians (Schedule D, Section 5.K(3))
- LPL Financial LLC

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.

### Regulatory assets under management (Item 5.F)
- Total: $467,767,160
- Discretionary: $467,767,160
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 221 | $84,120,561 |
| High net worth individuals | 126 | $365,683,095 |
| Banking or thrift institutions | 0 | $0 |
| Investment companies | 0 | $0 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 0 | $0 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 1 | $2,087,099 |
| Charitable organizations | 5 | $15,876,405 |
| State or municipal government entities (including government pension plans) | 0 | $0 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | 0 | $0 |
| Corporations or other businesses not listed above | 0 | $0 |
| Other | 0 | $0 |

### Advisory services (Item 5.G)
- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for businesses (other than small businesses) or institutional clients
- Pension consulting services

### Firm details
- Registered since: 2016 (9 years)
- Employees: 11 total, 5 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: AZ, CO, NE, TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- flagstonefm.com
- Facebook @FLAGSTONEFM

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $209,151,734 | 8 | March 15, 2021 |
| October 2022 | $261,311,572 | 7 | September 7, 2022 |
| October 2023 | $252,462,259 | 6 | July 12, 2023 |
| October 2024 | $318,028,852 | 6 | March 5, 2024 |
| October 2025 | $375,178,791 | 10 | June 11, 2025 |
| October 2026 | $467,767,160 | 11 | April 21, 2026 |

Regulatory assets under management: $209,151,734 in the October 2021 data and $467,767,160 in the October 2026 data, up 124%.
Total employees: 8 in October 2021 and 11 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $375,178,791 to $467,767,160 (+25%).
- Employees performing advisory functions went from 6 to 5.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Flagstone Financial Management, LLC (CRD 285484): Form ADV filing data as of October 2026.