Stack Financial Management provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, educational seminars, estate planning, insurance, and tax planning. Financial planning was provided to 51–100 clients last fiscal year.
Stack Financial Management reports 833 clients. They include 590 high-net-worth individuals, 189 individual clients, and 32 corporations and other businesses. Of its assets, 100.0% ($1.99B across 1,524 accounts) are managed with discretion. Of its clients, 1% are outside the U.S.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 23% | 6% |
| High-net-worth individuals | 71% | 86% |
| Pension and profit-sharing plans | 1% | <1% |
| Charitable organizations | 1% | <1% |
| Other investment advisers | <1% | 1% |
| Other client typesCorporations and other businesses | 4% | 5% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 189 | $127M | 6.4% | $671K |
| High-net-worth individuals | 590 | $1.72B | 86.1% | $2.91M |
| Pension and profit-sharing plans | 10 | $18.3M | 0.9% | $1.83M |
| Charitable organizations | 10 | $19.4M | 1.0% | $1.94M |
| Other investment advisers | 2 | $20.3M | 1.0% | $10.1M |
| Corporations and other businesses | 32 | $91.8M | 4.6% | $2.87M |
| Total | 833 | $1.99B | 100% | $2.39M |
- Clients
- 189
- Regulatory AUM
- $127M
- AUM share
- 6.4%
- Avg. per client
- $671K
- Clients
- 590
- Regulatory AUM
- $1.72B
- AUM share
- 86.1%
- Avg. per client
- $2.91M
- Clients
- 10
- Regulatory AUM
- $18.3M
- AUM share
- 0.9%
- Avg. per client
- $1.83M
- Clients
- 10
- Regulatory AUM
- $19.4M
- AUM share
- 1.0%
- Avg. per client
- $1.94M
- Clients
- 2
- Regulatory AUM
- $20.3M
- AUM share
- 1.0%
- Avg. per client
- $10.1M
- Clients
- 32
- Regulatory AUM
- $91.8M
- AUM share
- 4.6%
- Avg. per client
- $2.87M
Total
- Clients
- 833
- Regulatory AUM
- $1.99B
- AUM share
- 100%
- Avg. per client
- $2.39M
- Clients outside the U.S.
- 1%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 51–100
Stack Financial Management charges 0.75%–1.20% a year for its Investment advisory fee. The fee is billed in advance and is negotiable.
Fee details and sources
James Stack owns 25% to 50% of Stack Financial Management. James Stack is CEO; the leadership team includes President Annell Danczyk, Chief Investment Officer Zach Jonson and Chief Compliance Officer Jeanine Morreim. It has 14 employees, 7 of them in advisory roles.
Leadership
- James StackPresident, Chief Executive Officer, Director
- Annell DanczykVice President, Senior Portfolio Manager, Director
- Zach JonsonVice President, Chief Investment Officer, Director
- Jeanine MorreimChief Compliance Officer
- Lisa StackSecretary/Treasurer, Managing Partner, Director
- Catherine HetrickManaging Partner
- Joseph LaszewskiSenior Portfolio Manager
Investment adviser representatives
10 representatives listed in the SEC register as of 9 October 2026.
- Annell McKee Danczyk
- Benjamin Wallace Hayes
- Catherine Marie Hetrick
- Zach Jonson
- Joseph Michael Laszewski
- Dillon Manley
- Jeanine Lynette Morreim
- James Bryan Stack
- Lisa Ann Stack
- Aimee Schreiber Weller
Staff
- 14 employees
- 7 in advisory functions
- 9 state-registered reps
- Owns 25% to 50% of Stack Financial Management Inc
James Stack
Control person · since January 1994
- Owns 10% to 25% of Stack Financial Management Inc
Annell Danczyk
Control person · since August 2022
- Owns 10% to 25% of Stack Financial Management Inc
Zach Jonson
Control person · since August 2025
- Owns 5% to 10% of Stack Financial Management Inc
Lisa Stack
Control person · since January 2020
- Owns 5% to 10% of Stack Financial Management Inc
Catherine Hetrick
Control person · since August 2022
- Owns 5% to 10% of Stack Financial Management Inc
Joseph Laszewski
Control person · since December 2017
- Owns 5% to 10% of Stack Financial Management Inc
Jeanine Morreim
Control person · since July 2021
Stack Financial Management’s regulatory assets grew from $1.48B (July 2021) to $1.99B (March 2026); clients rose from 775 to 833 and employees fell from 17 to 14.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| March 2026 | $1.99B | 833 | 14 | 1 |
| March 2025 | $1.9B | 851 | 16 | 1 |
| March 2024 | $1.8B | 860 | 16 | 1 |
| March 2023 | $1.7B | 838 | 17 | 1 |
| February 2022 | $1.71B | 800 | 17 | 1 |
| July 2021 | $1.48B | 775 | 17 | 1 |
Besides its headquarters, Stack Financial Management has 0 offices, with 1 listed address in Montana.
Montana · 1 listed address
- 625 Wisconsin Avenue, WhitefishHQ
Contact and registration details
- Legal name
- Stack Financial Management Inc
- Headquarters
- 625 Wisconsin Avenue, Whitefish, MT 59937-2129
- Website
- stackfinancialmanagement.com
- Phone
- 406-862-8000
- @stack-financial-management
- SEC file
- 801-45724
- Founded
- 1994
- Structure
- Montana corporation
- Fiscal year end
- December
Stack Financial Management uses Charles Schwab ($1.99B) as custodian for its separately managed accounts. Stack Financial Management has custody of $450M in client assets for 253 clients.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $1.99B100%
At year end, Stack Financial Management’s separately managed accounts were mostly in stocks (66%) and bonds (24%). Its reported 13F holdings for the quarter ended 30 June 2026 total $1.28B across 54 positions; the largest are Walmart Inc. (9.0%), Proshares TR (7.2%) and Microsoft Corp. (5.5%).
What the accounts hold
- Stocks66%
- Bonds24%
- Cash10%
Reported 13F holdings
- $1.28B
- Reported 13F value
- 54
- Positions
- 46.5%
- In the 10 largest
- −5.9%
- Value vs. prior quarter
- Walmart Inc.9.0%
- Proshares TR · Shor S&P 500 New7.2%
- Microsoft Corp.5.5%
- Quanta Svcs Inc.5.2%
- Berkshire Hathaway Inc. Del · CL B New4.7%
- Chevron Corporation3.4%
- L3harris Technologies Inc.3.2%
- American Elec Pwr CO Inc.3.0%
- Phillips 662.8%
- Waste Mgmt Inc. Del2.5%
Together, the ten largest are 46.5% of reported value.
How many clients does Stack Financial Management have?
Stack Financial Management has 833 clients and manages $1.99 billion for them, as of March 2026. They include 590 high-net-worth individuals, 189 individual clients, and 32 corporations and other businesses.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 18 March 2026
What services does Stack Financial Management offer?
Stack Financial Management provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, educational seminars, estate planning, insurance, and tax planning.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file; Part 2A brochure, Item 4
How much does Stack Financial Management charge?
Stack Financial Management charges 0.75%–1.20% a year for its Investment advisory fee. The fee is billed in advance and is negotiable.
Which custodians does Stack Financial Management use?
Stack Financial Management’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $1.99B. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 18 March 2026
How many financial advisors does Stack Financial Management have?
Stack Financial Management has 9 investment adviser representatives registered with state securities authorities, out of 14 employees, and 7 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 Stack Financial Management invest in?
At the end of its last fiscal year, Stack Financial Management’s separately managed accounts held 66% exchange-traded equities, 24% U.S. government and agency bonds and 10% cash and equivalents.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Stack Financial Management?
Stack Financial Management’s direct owners are James Stack, Lisa Stack, Catherine Hetrick, Annell Danczyk, Joseph Laszewski, Zach Jonson and Jeanine Morreim, each holding 50% or less.
Source: Form ADV Part 1A, Schedules A and B, filed 18 March 2026
How does Stack Financial Management get paid?
Stack Financial Management 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 Stack Financial Management?
Stack Financial Management’s main office is at 625 Wisconsin Avenue, Whitefish, MT 59937-2129. Its phone number is 406-862-8000. Its website is stackfinancialmanagement.com.