Tortoise Investment Management provides financial planning, portfolio management for individuals and small businesses, education planning, estate planning, insurance, and philanthropic planning. Financial planning was provided to 500 clients last fiscal year.
Tortoise Investment Management reports 504 clients. They include 360 high-net-worth individuals and 144 individual clients. Of its assets, 98.0% ($2.03B across 3,017 accounts) are managed with discretion; $41.3M across 12 accounts are not.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 29% | 3% |
| High-net-worth individuals | 71% | 97% |
| Pension and profit-sharing plans | Fewer than 5 | <1% |
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) | 144 | $60.7M | 2.9% | $421K |
| High-net-worth individuals | 360 | $2.01B | 97.0% | $5.57M |
| Pension and profit-sharing plans | Fewer than 5 | $1.65M | 0.1% | — |
| Total | 504 | $2.07B | 100% | — |
- Clients
- 144
- Regulatory AUM
- $60.7M
- AUM share
- 2.9%
- Avg. per client
- $421K
- Clients
- 360
- Regulatory AUM
- $2.01B
- AUM share
- 97.0%
- Avg. per client
- $5.57M
- Clients
- Fewer than 5
- Regulatory AUM
- $1.65M
- AUM share
- 0.1%
- Avg. per client
- —
Total
- Clients
- 504
- Regulatory AUM
- $2.07B
- 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
- Financial planning clients last fiscal year
- 500
Tortoise Investment Management charges 0.50%–1.25% a year for its Tiered fee schedule. The fee is billed in arrears, is negotiable and has a $10,000 annual minimum.
Fee details and sources
Rochelle H. Yankwitt Revocable Trust U/A/D 11/7/2019 owns 50% to 75% of Tortoise Investment Management. The leadership team of Tortoise Investment Management includes Chief Operating Officer Riva Roloff and Chief Compliance Officer Michael Mattern. It has 21 employees, 16 of them in advisory roles.
Leadership
- Riva RoloffChief Operating Officer
- Michael MatternChief Compliance Officer
- Justin SingerManaging Director / Member of the Board of Managers (Oct 2019)
- Rochelle YankwittMember of the Board of Managers (Sept 2020)/ Trustee
Investment adviser representatives
15 representatives listed in the SEC register as of 9 October 2026.
- Patricia Kellen Acipreste
- Andrew Chandler Barber
- Brendan James Blaney
- Claire Olivia Brennan
- Claudia Violette Cantin
- Brian Alexander Crane
- Vicki Ellen Crisalli
- Michael Giobbe Della Medaglia
- Stephen Douglas Fitch Jr
- Jacob Richard Lambert
- Christopher John Rossetti
- Joseph Gene Rossetti
- Tessa Mia Shore
- Justin Scott Singer
- Andrea Remec Turley
Staff
- 21 employees
- 16 in advisory functions
- 16 state-registered reps
- Owns 50% to 75% of Tortoise Investment Management, LLC
Rochelle H. Yankwitt Revocable Trust U/A/D 11/7/2019
Control person · since January 2022
Rochelle Yankwitt
Trustee · Control person · since November 2019
- Owns 50% to 75% of Tortoise Investment Management, LLC
Rochelle H. Yankwitt
Control person · since January 2022
- Owns 10% to 25% of Tortoise Investment Management, LLC
Justin Singer
Control person · since April 2015
- Owns 5% to 10% of Tortoise Investment Management, LLC
Riva Roloff
Control person · since March 2018
Tortoise Investment Management’s regulatory assets grew 1.8× from $1.17B (March 2021) to $2.07B (March 2026); clients rose from 415 to 504 and employees from 18 to 21.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| March 2026 | $2.07B | 504 | 21 | 15 |
| March 2025 | $1.73B | 481 | 18 | 15 |
| April 2024 | $1.46B | 458 | 18 | 1 |
| March 2023 | $1.24B | 443 | 18 | 1 |
| April 2022 | $1.35B | 431 | 19 | 1 |
| March 2021 | $1.17B | 415 | 18 | 1 |
Besides its headquarters, Tortoise Investment Management has 14 offices (14 private residences, listed without an address), with 1 listed address in New York.
New York · 1 listed address
- 2 Westchester Park Drive, Suite 215, White PlainsHQ
Contact and registration details
- Legal name
- Tortoise Investment Management, LLC
- Headquarters
- 2 Westchester Park Drive, Suite 215, White Plains, NY 10604
- Website
- tortoiseinvestment.com
- Phone
- 914-686-0024
- SEC file
- 801-65160
- Founded
- 2004
- Structure
- New York LLC
- Fiscal year end
- December
Tortoise Investment Management uses Fidelity ($1.82B) as custodian for its separately managed accounts. Tortoise Investment Management has custody of $664M in client assets for 238 clients.
- FidelityFidelity Brokerage Services LLC · Smithfield, RI · $1.82B100%
At year end, Tortoise Investment Management’s separately managed accounts were mostly in funds (90%). Its reported 13F holdings for the quarter ended 30 June 2026 total $1.34B across 255 positions; the largest are iShares TR (8.0%), iShares TR (6.9%) and American Centy ETF TR (4.0%).
What the accounts hold
- Stocks4%
- Funds90%
- Bonds2%
- Cash4%
Reported 13F holdings
- $1.34B
- Reported 13F value
- 255
- Positions
- 34.2%
- In the 10 largest
- +10.8%
- Value vs. prior quarter
- iShares TR · Core S&P500 ETF8.0%
- iShares TR · 0-5 YR Tips ETF6.9%
- American Centy ETF TR · US EQT ETF4.0%
- J P Morgan Exchange Traded F · Mortgage Backed2.7%
- J P Morgan Exchange Traded F · Municipal ETF2.5%
- Blackrock Mun Target Term TR · Com Shs Ben IN2.4%
- Vanguard Scottsdale Fds · Long Term Treas2.0%
- iShares TR · 0-3 Mth Treasury2.0%
- Schwab Strategic TR · US Tips ETF1.9%
- Simplify Exchange Traded Fun · Mbs ETF1.9%
Together, the ten largest are 34.2% of reported value.
How many clients does Tortoise Investment Management have?
Tortoise Investment Management has 504 clients and manages $2.07 billion for them, as of March 2026. They include 360 high-net-worth individuals and 144 individual clients.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 27 March 2026
What services does Tortoise Investment Management offer?
Tortoise Investment Management provides financial planning, portfolio management for individuals and small businesses, education planning, estate planning, insurance, and philanthropic 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 Tortoise Investment Management charge?
Tortoise Investment Management charges 0.50%–1.25% a year for its Tiered fee schedule. The fee is billed in arrears, is negotiable and has a $10,000 annual minimum.
Source: TORTOISE INVESTMENT MANAGEMENT, LLC, FORM ADV PART 2A, filed 26 March 2026
Which custodians does Tortoise Investment Management use?
Tortoise Investment Management’s separately managed account assets are held at Fidelity Brokerage Services LLC (Smithfield, RI), with $1.82B. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 27 March 2026
How many financial advisors does Tortoise Investment Management have?
Tortoise Investment Management has 16 investment adviser representatives registered with state securities authorities, out of 21 employees, and 16 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 Tortoise Investment Management invest in?
At the end of its last fiscal year, Tortoise Investment Management’s separately managed accounts held 90% registered funds (mutual funds, ETFs, BDCs), 4% exchange-traded equities, 4% cash and equivalents and 2% state and local bonds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Tortoise Investment Management?
Tortoise Investment Management’s direct owners are Riva Roloff (5% to 10%), Justin Singer (10% to 25%), Rochelle H. Yankwitt Revocable Trust U/A/D 11/7/2019 (50% to 75%) and Rochelle H. Yankwitt (50% to 75%).
Source: Form ADV Part 1A, Schedules A and B, filed 27 March 2026
How does Tortoise Investment Management get paid?
Tortoise Investment 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 Tortoise Investment Management?
Tortoise Investment Management’s main office is at 2 Westchester Park Drive, Suite 215, White Plains, NY 10604. Its phone number is 914-686-0024. Its website is tortoiseinvestment.com.