Spectrum Investment Advisors provides financial planning, portfolio management for individuals and small businesses, pension consulting, and selecting other managers. Financial planning was provided to 26–50 clients last fiscal year.
Spectrum Investment Advisors reports 465 clients. They include 209 high-net-worth individuals, 198 individual clients, and 44 pension and profit-sharing plans. Of its assets, 99.2% ($1.06B across 1,079 accounts) are managed with discretion; $8.84M across 11 accounts are not. It advised 109 clients without assets under management last fiscal year.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 43% | 8% |
| High-net-worth individuals | 45% | 38% |
| Pension and profit-sharing plans | 9% | 53% |
| Corporations and other businesses | 3% | 1% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 198 | $80M | 7.5% | $404K |
| High-net-worth individuals | 209 | $404M | 38.0% | $1.94M |
| Pension and profit-sharing plans | 44 | $568M | 53.3% | $12.9M |
| Corporations and other businesses | 14 | $12.3M | 1.2% | $876K |
| Total | 465 | $1.06B | 100% | $2.29M |
- Clients
- 198
- Regulatory AUM
- $80M
- AUM share
- 7.5%
- Avg. per client
- $404K
- Clients
- 209
- Regulatory AUM
- $404M
- AUM share
- 38.0%
- Avg. per client
- $1.94M
- Clients
- 44
- Regulatory AUM
- $568M
- AUM share
- 53.3%
- Avg. per client
- $12.9M
- Clients
- 14
- Regulatory AUM
- $12.3M
- AUM share
- 1.2%
- Avg. per client
- $876K
Total
- Clients
- 465
- Regulatory AUM
- $1.06B
- AUM share
- 100%
- Avg. per client
- $2.29M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 109
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 26–50
Spectrum Investment Advisors is paid through a percentage of assets under management, hourly charges, fixed fees (other than subscription fees) and other compensation; its fees and minimums are set out in its brochures on the SEC website.
Jonathan Marshall owns 50% to 75% of Spectrum Investment Advisors. The leadership team of Spectrum Investment Advisors includes President Matthew Demet and Chief Investment Officer Jonathan Marshall. It has 27 employees, 20 of them in advisory roles.
Leadership
- Matthew DemetSR. Vice President Business Development and Partner
- Jonathan MarshallExecutive Vice President, Chief Compliance Officer, Chief Investment Officer and Director
- Manuel RosadoPresident and Partner
- James MarshallChairman, Founder and Partner
- Brian WhiteWealth Manager and Partner
Investment adviser representatives
23 representatives listed in the SEC register as of 9 October 2026.
- Kristen Carioti
- Daniel Lee Dedecker JR
- Matthew Paul Demet
- Blaine T Disrud
- Jonathon Francis Jesse
- James Francis Marshall
- Jonathan James Marshall
- Michael William McDonald
- Paul Kenneth Minick
- Marina L Moths
- Manuel NMN Rosado
- Marcos D Rosado
- Laura Joan Kokes Schnoor
- Scott Alan Schwartz
- Tricia Colleen Sendelbach
- Jill Marie Stock
- Ryan T Strankowski
- Elizabeth Tesch Walter
- Suzanne Marie Weeden
- Brian Eugene White
- Frank Charles Windt
- Jeffrey James Wozniak
- Emily E Zimmerman
Staff
- 27 employees
- 20 in advisory functions
- 20 state-registered reps
- 1 soliciting firm
- Owns 50% to 75% of Spectrum Investment Advisors, Inc.
Jonathan Marshall
Control person · since January 2011
- Owns 10% to 25% of Spectrum Investment Advisors, Inc.
James Marshall
Control person · since June 2019
- Owns 5% to 10% of Spectrum Investment Advisors, Inc.
Manuel Rosado
Control person · since June 2019
- Owns 5% to 10% of Spectrum Investment Advisors, Inc.
Matthew Demet
since June 2019
Spectrum Investment Advisors’ regulatory assets grew 2.3× from $461M (March 2021) to $1.06B (March 2026); clients rose from 331 to 465 and employees from 24 to 27.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Mar 2026March 2026 | $1.06B | 465 | 27 | 1 |
| Mar 2025March 2025 | $850M | 453 | 24 | 1 |
| Mar 2024March 2024 | $725M | 415 | 22 | 1 |
| Mar 2023March 2023 | $590M | 389 | 22 | 1 |
| Mar 2022March 2022 | $668M | 362 | 23 | 1 |
| Mar 2021March 2021 | $461M | 331 | 24 | 1 |
Besides its headquarters, Spectrum Investment Advisors has 0 offices, with 1 listed address in 1 state.
Wisconsin · 1 listed address
- 6329 West Mequon Road, MequonHQ
Contact and registration details
- Legal name
- Spectrum Investment Advisors, Inc.
- Headquarters
- 6329 West Mequon Road, Mequon, WI 53092
- Website
- spectruminvestor.com
- Phone
- 262-238-4010
- SEC file
- 801-56966
- Structure
- Wisconsin corporation
- Fiscal year end
- December
Spectrum Investment Advisors’ named custodian for separately managed accounts is Charles Schwab ($497M). Spectrum Investment Advisors has custody of $419M for 388 clients.
- Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $497M100%
At year end, Spectrum Investment Advisors’ separately managed accounts were mostly in funds (94%). Its reported 13F holdings for the quarter ended 30 June 2026 total $245M across 76 positions; the largest are Dimensional ETF Trust (13.1%), Fidelity Covington Trust (11.4%) and Dimensional ETF Trust (9.8%).
What the accounts hold
- Stocks2%
- Funds94%
- Registered funds91%
- Pooled vehicles3%
- Bonds1%
- Cash3%
Reported 13F holdings
- $245M
- Reported 13F value
- 76
- Positions
- 74.8%
- In the 10 largest
- +21.5%
- Value vs. prior quarter
- Dimensional ETF Trust · US Core EQT Mkt13.1%
- Fidelity Covington Trust · Enhanced Large11.4%
- Dimensional ETF Trust · Intl Core EQT MK9.8%
- Vanguard Index Fds · S&P 500 ETF Shs9.3%
- iShares TR · Core MSCI Total7.9%
- Invesco Exch Traded FD TR II · Equal Wegt 0-306.2%
- Pimco ETF TR · Mtg Bkd Secs Act5.1%
- Vanguard Index Fds · SM CP Val ETF4.7%
- Dimensional ETF Trust · Emgr Cre EQT Mng4.3%
- Capital Group Core Balanced3.2%
Together, the ten largest are 74.8% of reported value.
How many clients does Spectrum Investment Advisors have?
Spectrum Investment Advisors has 465 clients and manages $1.06 billion for them, as of March 2026. They include 209 high-net-worth individuals, 198 individual clients, and 44 pension and profit-sharing plans.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 23 March 2026
What services does Spectrum Investment Advisors offer?
Spectrum Investment Advisors provides financial planning, portfolio management for individuals and small businesses, pension consulting, and selecting other managers.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Spectrum Investment Advisors use?
Spectrum Investment Advisors’ separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $497M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 23 March 2026
How many financial advisors does Spectrum Investment Advisors have?
Spectrum Investment Advisors has 20 investment adviser representatives registered with state securities authorities, out of 27 employees, and 20 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 Spectrum Investment Advisors invest in?
At the end of its last fiscal year, Spectrum Investment Advisors’ separately managed accounts held 91% registered funds (mutual funds, ETFs, BDCs), 3% pooled vehicles (private funds and similar), 3% cash and equivalents, 2% exchange-traded equities and 1% U.S. government and agency bonds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Spectrum Investment Advisors?
Spectrum Investment Advisors’ direct owners are James Marshall (10% to 25%), Jonathan Marshall (50% to 75%), Manuel Rosado (5% to 10%) and Matthew Demet (5% to 10%).
Source: Form ADV Part 1A, Schedules A and B, filed 23 March 2026
How does Spectrum Investment Advisors get paid?
Spectrum Investment Advisors is paid through a percentage of assets under management, hourly charges, fixed fees and other compensation. 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 Spectrum Investment Advisors?
Spectrum Investment Advisors’ main office is at 6329 West Mequon Road, Mequon, WI 53092. Its phone number is 262-238-4010. Its website is spectruminvestor.com.