Tandem Investment Partners provides portfolio management for individuals and small businesses.
Tandem Investment Partners reports 192 clients. They include 155 individual clients, 36 high-net-worth individuals and 1 corporate or other business client. Of its assets, 100.0% ($200M across 474 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 81% | 31% |
| High-net-worth individuals | 19% | 65% |
| Corporations and other businesses | <1% | 4% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 155 | $63M | 31.5% | $407K |
| High-net-worth individuals | 36 | $130M | 64.8% | $3.6M |
| Corporations and other businesses | Fewer than 5 | $7.43M | 3.7% | $7.43M |
| Total | 192 | $200M | 100% | — |
- Clients
- 155
- Regulatory AUM
- $63M
- AUM share
- 31.5%
- Avg. per client
- $407K
- Clients
- 36
- Regulatory AUM
- $130M
- AUM share
- 64.8%
- Avg. per client
- $3.6M
- Clients
- Fewer than 5
- Regulatory AUM
- $7.43M
- AUM share
- 3.7%
- Avg. per client
- $7.43M
Total
- Clients
- 192
- Regulatory AUM
- $200M
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
Tandem Investment Partners charges 0.50%–1.00% a year for its Portfolio Management Services. Each asset band is charged at its own rate. The fee is billed in advance and is negotiable. The brochure also prices one other service, listed under fee details.
| Asset band | Annual rate |
|---|---|
| $0–$2M | 1.00% |
| $2M–$5M | 0.75% |
| $5M and above | 0.50% |
Fee details and sources
Other fees
- Retirement Plan Advisory Services
- Retirement plan advisory services are charged an annualized 0.75% of assets under management, billed quarterly in advance or arrears.
Thomas D'Auria owns 75% or more of Tandem Investment Partners. The leadership team of Tandem Investment Partners includes Chief Compliance Officer Nicholas D'Auria. It has 4 employees.
Leadership
Nicholas D'AuriaChief Compliance Officer
Thomas D'AuriaManaging Partner
Investment adviser representatives
4 representatives listed in the SEC register as of 9 October 2026.
Staff
- 4 employees
- 4 in advisory functions
- 3 state-registered reps
- Owns 75% or more of Tandem Investment Partners, LLC
Thomas D'Auria
Control person · since September 2014
Tandem Investment Partners’ regulatory assets grew 1.6× from $128M (July 2021) to $200M (February 2026); clients rose from 156 to 192 and employees from 3 to 4.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| February 2026 | $200M | 192 | 4 | 3 |
| March 2025 | $176M | 186 | 5 | 3 |
| July 2024 | $159M | 187 | 3 | 3 |
| May 2023 | $134M | 211 | 4 | 3 |
| February 2022 | $154M | 165 | 3 | 3 |
| July 2021 | $128M | 156 | 3 | 3 |
Besides its headquarters, Tandem Investment Partners has 2 offices (2 private residences, listed without an address), with 1 listed address in New Jersey.
New Jersey · 1 listed address
- 3 Third Street, Suite 215, BordentownHQ
Contact and registration details
- Legal name
- Tandem Investment Partners, LLC
- Headquarters
- 3 Third Street, Suite 215, Bordentown, NJ 08505
- Website
- Not reported
- Phone
- 609-452-2100
- SEC file
- 801-121703
- Structure
- Delaware LLC
- Fiscal year end
- December
Tandem Investment Partners uses Charles Schwab ($200M) as custodian for its separately managed accounts. Tandem Investment Partners does not have custody of client assets.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $200M100%
At year end, Tandem Investment Partners’ separately managed accounts were mostly in funds (55%) and bonds (22%). Its reported 13F holdings for the quarter ended 30 June 2026 total $130M across 76 positions; the largest are Vanguard Malvern Fds (6.6%), SPDR Series Trust (6.5%) and State Str SPDR S&P 500 ETF T (6.3%).
What the accounts hold
- Stocks15%
- Funds55%
- Bonds22%
- U.S. government and agency bonds13%
- State and local bonds9%
- Cash8%
Reported 13F holdings
- $130M
- Reported 13F value
- 76
- Positions
- 46.9%
- In the 10 largest
- +10.0%
- Value vs. prior quarter
- Vanguard Malvern Fds · Core BD ETF6.6%
- SPDR Series Trust · ST Str P500etf6.5%
- State Str SPDR S&P 500 ETF T · TR Unit6.3%
- Vanguard Star Fds · VG TL Intl Stk F5.0%
- Pacer Fds TR · US Cash Cows 1004.7%
- Vanguard World FD · Inf Tech ETF4.5%
- Pacer Fds TR · US Lrg CP Cash3.9%
- State Str SPDR S&P Midcap 40 · Utser1 S&pdcrp3.2%
- Vanguard Index Fds · Total Stk Mkt3.1%
- Select Sector SPDR TR · ST Str Care ETF2.9%
Together, the ten largest are 46.9% of reported value.
How many clients does Tandem Investment Partners have?
Tandem Investment Partners has 192 clients and manages $200 million for them, as of February 2026. They include 155 individual clients, 36 high-net-worth individuals and 1 corporate or other business client.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 9 February 2026
What services does Tandem Investment Partners offer?
Tandem Investment Partners provides portfolio management for individuals and small businesses.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does Tandem Investment Partners charge?
Tandem Investment Partners charges 0.50%–1.00% a year for its Portfolio Management Services. Each asset band is charged at its own rate. The fee is billed in advance and is negotiable.
Source: TANDEM INVESTMENT PARTNERS PART 2 DISCLOSURE BROCHURE, filed 9 February 2026
Which custodians does Tandem Investment Partners use?
Tandem Investment Partners’ separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $200M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 9 February 2026
How many financial advisors does Tandem Investment Partners have?
Tandem Investment Partners has 3 investment adviser representatives registered with state securities authorities, out of 4 employees, and 4 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 Tandem Investment Partners invest in?
At the end of its last fiscal year, Tandem Investment Partners’ separately managed accounts held 55% registered funds (mutual funds, ETFs, BDCs), 15% exchange-traded equities, 13% U.S. government and agency bonds, 9% state and local bonds and 8% 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 Tandem Investment Partners?
Tandem Investment Partners’ direct owner is Thomas D'Auria (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 9 February 2026
How does Tandem Investment Partners get paid?
Tandem Investment Partners 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 Tandem Investment Partners?
Tandem Investment Partners’ main office is at 3 Third Street, Suite 215, Bordentown, NJ 08505. Its phone number is 609-452-2100.