Patrick Mauro Investment Advisor provides portfolio management for individuals and small businesses, estate planning, and tax planning.
Patrick Mauro Investment Advisor reports 141 clients. They include 83 individual clients and 58 high-net-worth individuals. Of its assets, 100.0% ($212M across 258 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 59% | 10% |
| High-net-worth individuals | 41% | 90% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 83 | $22M | 10.4% | $265K |
| High-net-worth individuals | 58 | $190M | 89.6% | $3.28M |
| Total | 141 | $212M | 100% | $1.5M |
- Clients
- 83
- Regulatory AUM
- $22M
- AUM share
- 10.4%
- Avg. per client
- $265K
- Clients
- 58
- Regulatory AUM
- $190M
- AUM share
- 89.6%
- Avg. per client
- $3.28M
Total
- Clients
- 141
- Regulatory AUM
- $212M
- AUM share
- 100%
- Avg. per client
- $1.5M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
Patrick Mauro Investment Advisor charges up to 1.00% a year for its Investment management services. The fee is billed in arrears and is negotiable.
Fee details and sources
Patrick Mauro owns 75% or more of Patrick Mauro Investment Advisor. Patrick Mauro is CEO; the leadership team includes Chief Operating Officer Anita Mauro. It has 4 employees, 2 of them in advisory roles.
Leadership
Patrick MauroPresident & Chief Executive Officer- Anita MauroChief Compliance Officer & Chief Operating Officer
- Mary MauroSecretary
Investment adviser representatives
3 representatives listed in the SEC register as of 9 October 2026.
Staff
- 4 employees
- 2 in advisory functions
- 4 state-registered reps
- Owns 75% or more of Patrick Mauro Investment Advisor, Inc.
Patrick Mauro
Control person · since August 1996
Patrick Mauro Investment Advisor’s regulatory assets grew from $158M (March 2021) to $212M (September 2026); clients rose from 123 to 141 and employees from 3 to 4.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| September 2026 | $212M | 141 | 4 | 2 |
| February 2025 | $196M | 141 | 4 | 1 |
| February 2024 | $187M | 145 | 4 | 1 |
| April 2023 | $175M | 143 | 3 | 1 |
| February 2022 | $184M | 136 | 3 | 1 |
| March 2021 | $158M | 123 | 3 | 1 |
Besides its headquarters, Patrick Mauro Investment Advisor has 1 office (1 private residence, listed without an address), with 1 listed address with no US state reported.
Contact and registration details
- Legal name
- Patrick Mauro Investment Advisor, Inc.
- Headquarters
- Not reported
- Website
- mauroinvestor.com
- Phone
- 630-789-3374
- SEC file
- 801-113346
- Founded
- 1996
- Structure
- Illinois corporation
- Fiscal year end
- December
Patrick Mauro Investment Advisor uses Charles Schwab ($202M, 95%) and Morgan Stanley ($9.76M, 5%) as custodians for its separately managed accounts. Patrick Mauro Investment Advisor does not have custody of client assets.
- Morgan StanleyMorgan Stanley & Co. LLC · New York, NY · $9.76M5%
- Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $202M95%
At year end, Patrick Mauro Investment Advisor’s separately managed accounts were mostly in stocks (77%) and funds (10%). Its reported 13F holdings for the quarter ended 30 June 2026 total $199M across 38 positions; the largest are iShares TR (10.9%), Watsco Inc. (7.0%) and CME Group Inc. (5.8%).
What the accounts hold
- Stocks77%
- Funds10%
- Bonds9%
- Investment grade corporate bonds4%
- U.S. government and agency bonds3%
- State and local bonds1%
- High-yield corporate bonds1%
- Cash3%
- Other1%
- Derivatives1%
Reported 13F holdings
- $199M
- Reported 13F value
- 38
- Positions
- 55.5%
- In the 10 largest
- +0.0%
- Value vs. prior quarter
- iShares TR · Core MSCI Total10.9%
- Watsco Inc.7.0%
- CME Group Inc.5.8%
- Microsoft Corp.5.7%
- Verizon Communications Inc.5.5%
- Automatic Data Processing IN4.4%
- Mcdonalds Corp.4.2%
- Kimberly-clark Corp.4.1%
- Cna Finl Corp.4.0%
- Abbvie Inc.3.9%
Together, the ten largest are 55.5% of reported value.
How many clients does Patrick Mauro Investment Advisor have?
Patrick Mauro Investment Advisor has 141 clients and manages $212 million for them, as of September 2026. They include 83 individual clients and 58 high-net-worth individuals.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 11 September 2026
What services does Patrick Mauro Investment Advisor offer?
Patrick Mauro Investment Advisor provides portfolio management for individuals and small businesses, estate planning, 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 Patrick Mauro Investment Advisor charge?
Patrick Mauro Investment Advisor charges up to 1.00% a year for its Investment management services. The fee is billed in arrears and is negotiable.
Source: PATRICK MAURO INVESTMENT ADVISOR, INC., filed 12 March 2026
Which custodians does Patrick Mauro Investment Advisor use?
Patrick Mauro Investment Advisor’s separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $202M and Morgan Stanley & Co. LLC (New York, NY), with $9.76M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 11 September 2026
How many financial advisors does Patrick Mauro Investment Advisor have?
Patrick Mauro Investment Advisor has 4 investment adviser representatives registered with state securities authorities, out of 4 employees, and 2 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 Patrick Mauro Investment Advisor invest in?
At the end of its last fiscal year, Patrick Mauro Investment Advisor’s separately managed accounts held 77% exchange-traded equities, 10% registered funds (mutual funds, ETFs, BDCs), 4% investment grade corporate bonds, 3% U.S. government and agency bonds, 3% cash and equivalents, 1% state and local bonds, 1% high-yield corporate bonds and 1% derivatives.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Patrick Mauro Investment Advisor?
Patrick Mauro Investment Advisor’s direct owner is Patrick Mauro (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 11 September 2026
How does Patrick Mauro Investment Advisor get paid?
Patrick Mauro Investment Advisor 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 Patrick Mauro Investment Advisor?
Its phone number is 630-789-3374. Its website is mauroinvestor.com.