Services and clients
Montis Financial provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, estate planning, insurance, and tax planning. Financial planning was provided to 500 clients last fiscal year.
Montis Financial reports 580 clients. They include 303 high-net-worth individuals and 277 individual clients. 96.7% of assets ($1.22B across 1,943 accounts) are managed with discretion; $40.9M across 33 accounts are not. 1% of clients are outside the U.S.
- Individuals (other than HNW)277 clients$109M in assets
- High-net-worth individuals303 clients$1.15B in assets
- Corporations and other businessesCount not reported$3.38M in assets
Client shares use reported counts. Client types without a reported count are excluded from that total.
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 277 | $109M | 8.6% | $393K |
| High-net-worth individuals | 303 | $1.15B | 91.1% | $3.78M |
| Corporations and other businesses | Fewer than 5 | $3.38M | 0.3% | — |
| Total | 580 | $1.26B | 100% | — |
- Clients
- 277
- Regulatory AUM
- $109M
- AUM share
- 8.6%
- Avg. per client
- $393K
- Clients
- 303
- Regulatory AUM
- $1.15B
- AUM share
- 91.1%
- Avg. per client
- $3.78M
- Clients
- Fewer than 5
- Regulatory AUM
- $3.38M
- AUM share
- 0.3%
- Avg. per client
- —
Total
- Clients
- 580
- Regulatory AUM
- $1.26B
- AUM share
- 100%
- Avg. per client
- —
- 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
- 500
Fees and minimums
Montis Financial charges 0.48% to 1.50% a year for investment advisory services.
- Investment advisory services
- 0.48% to 1.50% a year · Percentage of assets; negotiable, billed in advance.
Fee details and sources
Ownership and people
Montis Holdco, LLC owns 75% or more of Montis Financial, and John Yanchek is its CEO.
Staff
- 26 employees
- 16 in advisory functions
- 16 state-registered reps
- 1 insurance agent
- Owns 75% or more of Montis Financial, LLC
Montis Holdco, LLC
Control person · since December 2021
Investments and reported holdings
What the accounts hold
- Stocks7%
- Funds82%
- Registered funds81%
- Pooled vehicles1%
- Bonds1%
- Cash8%
- Other2%
- Annuities2%
Custodians
Montis Financial’s named custodians for separately managed accounts include Charles Schwab ($726M), and Fidelity ($507M). Montis Financial has custody of $14.1M for 10 clients.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $726M59%
- FidelityNational Financial Services LLC · Boston, MA · $507M41%
Offices and registration details
Besides its headquarters, Montis Financial has 6 offices (6 private residences, listed without an address), with 1 listed address in 1 state.
Massachusetts · 1 listed address
- 230 Third Avenue, Floor 5, WalthamHQ
Registration details
- Legal name
- Montis Financial, LLC
- Headquarters
- 230 Third Avenue, Floor 5, Waltham, MA 02451
- @montis-financial-llc
- SEC file
- 801-76534
- Founded
- 2012
- Structure
- Delaware LLC
- Fiscal year end
- December
This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. See this firm's record on adviserinfo.sec.gov
Common questions
How many clients does Montis Financial have?
Montis Financial has 580 clients and manages $1.26 billion for them, as of March 2026. They include 303 high-net-worth individuals and 277 individual clients.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 18 March 2026
What services does Montis Financial offer?
Montis Financial provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, 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 Montis Financial charge?
Montis Financial charges 0.48% to 1.50% a year for investment advisory services.
Source: Part 2A brochure, Item 5
Which custodians does Montis Financial use?
Montis Financial’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $726M and National Financial Services LLC (Boston, MA), with $507M. 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 Montis Financial have?
Montis Financial has 16 investment adviser representatives registered with state securities authorities, out of 26 employees, and 16 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 1 employee is a licensed insurance agent.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Montis Financial invest in?
At the end of its last fiscal year, Montis Financial’s separately managed accounts held 81% registered funds (mutual funds, ETFs, BDCs), 8% cash and equivalents, 7% exchange-traded equities, 2% other, 1% state and local bonds and 1% pooled vehicles (private funds and similar). The 2% other category is described as: Annuities.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Montis Financial?
Montis Financial’s direct owner is Montis Holdco, LLC (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 18 March 2026
How does Montis Financial get paid?
Montis Financial is paid through a percentage of assets under management, hourly charges, fixed fees and other arrangements. 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




