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Private company

Tortoise Investment Management, LLC

American company, incorporated in New York. Summary from the record

Last updated Oct 21, 2026.

Overview

  • HeadquartersNY1

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Corporate structure

Tortoise Investment Management, LLC is part of a group headed by Rochelle H. Yankwitt Revocable Trust U/a/d 11/7/2019. 4 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Tortoise Investment Management, LLC

  • Riva Beth Roloff Owns 5% to 10% of Tortoise Investment Management, LLC, since 03/2018 (Form ADV)
  • Justin Scott Singer Owns 10% to 25% of Tortoise Investment Management, LLC, since 04/2015 (Form ADV)
  • Rochelle Halpern Yankwitt Owns control (general partner, trustee or manager) of Rochelle H. Yankwitt Revocable Trust U/a/d 11/7/2019, since 11/2019 (Form ADV)

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (2 companies); owners and owned firms from Form ADV, the registration investment advisers file with the SEC. Each entity in the chart links to its source.

Investment adviser

Tortoise Investment Management, LLC is registered with the SEC as an investment adviser. This is what it reports on Form ADV, the registration every adviser files and keeps current.

  • Assets it manages$2.1B2 3,029 accounts, $2.0B with discretion
  • Employees21 16 in investment advice or research
  • ClientsHigh net worth individuals: 360 ($2.0B); Individuals (other than high net worth individuals): 144 ($60.7M)
  • How it is paidA percentage of assets under its management
  • What it doesFinancial planning services; Portfolio management for individuals and/or small businesses
  • Holds client assetsYes: cash and securities
  • RegistrationSEC 801-65160, CRD 128723 IAPD record

Who owns it

Owners of 5% or more as the firm lists them (Schedule A), and the owners of those owners up the chain (Schedule B).

  • ROCHELLE H. YANKWITT REVOCABLE TRUST U/A/D 11/7/2019owns 50% to 75%, since 01/2022
  • Justin Scott Singerowns 10% to 25%, since 04/2015
  • Riva Beth Roloffowns 5% to 10%, since 03/2018
  • Rochelle Halpern Yankwittowns general partner, trustee or manager of ROCHELLE H. YANKWITT REVOCABLE TRUST U/A/D 11/7/2019, since 11/2019

Filings

31 filings to the SEC since October 2021: 31 other. The latest 20:

  1. Aug 25, 2026N-PX EDGAR
  2. Aug 7, 202613F-HR EDGAR
  3. May 5, 202613F-HR EDGAR
  4. Feb 6, 202613F-HR EDGAR
  5. Nov 13, 202513F-HR EDGAR
  6. Aug 19, 2025N-PX EDGAR
  7. Aug 8, 202513F-HR EDGAR
  8. Aug 7, 202513F-HR/A EDGAR
  9. Aug 7, 202513F-HR/A EDGAR
  10. Aug 7, 202513F-HR/A EDGAR
  11. Aug 7, 202513F-HR/A EDGAR
  12. Aug 7, 202513F-HR/A EDGAR
  13. Aug 7, 202513F-HR/A EDGAR
  14. Aug 7, 202513F-HR/A EDGAR
  15. May 14, 202513F-HR EDGAR
  16. Feb 7, 202513F-HR EDGAR
  17. Nov 13, 202413F-HR EDGAR
  18. Aug 30, 2024N-PX EDGAR
  19. Aug 1, 202413F-HR EDGAR
  20. May 9, 202413F-HR EDGAR

The 31 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Stakes it holds

Tortoise Investment Management, LLC has told the SEC it owns more than 5% of 2 companies, latest first (Schedules 13D and 13G).

Sources

The numbers on this page point here. Each one links to the record it came from.

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