Data / Investment advisers / New York / Tortoise Investment Management, LLC
Tortoise Investment Management, LLC, White Plains, NY: $2.1 billion AUM, SEC registered investment adviser
Updated November 7, 2026. Source: the SEC's Form ADV data files for investment advisers.
Tortoise Investment Management, LLC is an SEC registered investment adviser with its main office in White Plains, New York and reports $2.1 billion in regulatory assets under management in its Form ADV filed March 27, 2026. Its clients include high net worth individuals, individuals and pension and profit sharing plans. It is paid through a percentage of assets under management.
The request: Watch Tortoise Investment Management, LLC (CRD number 128723): each new Form ADV amendment, with AUM, clients and private funds. $10 of work on sign-up, no card.
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- Registration
- SEC registered investment adviser
- CRD number
- 128723
- SEC file number
- 801-65160
- SEC status
- Approved, effective January 13, 2006
- Main office
- 2 Westchester Park Drive Suite 215, White Plains, NY 10604
- Phone
- (914) 686-0024
- Regulatory AUM
- $2,067,860,526 in the Form ADV filed March 27, 2026
- Discretionary AUM
- $2,026,561,632
- Non discretionary AUM
- $41,298,894
- Accounts
- 3,029
- Employees
- 21, of which 16 give investment advice
- Form of organization
- Limited Liability Company
- Paid through
- a percentage of assets under management
- Other offices
- 14
- Form ADV Item 11 disclosures
- None reported
- Latest Form ADV filing
- March 27, 2026
- SEC record
- Investment Adviser Public Disclosure
Clients
Client types the adviser reports in Form ADV item 5.D, with the AUM it attributes to each.
| Client type | Clients | AUM |
|---|---|---|
| High net worth individuals | 360 | $2.01 billion |
| Individuals (other than high net worth individuals) | 144 | $60.7 million |
| Pension and profit sharing plans | Fewer than 5 | $1.7 million |
AUM in the SEC's monthly files
Each change in the AUM the adviser reported across the monthly SEC files held here, with the first file that shows the new value.
| First in the file of | AUM | Form ADV filed |
|---|---|---|
| April 1, 2026 | $2.07 billion | March 27, 2026 |
| December 1, 2025 | $1.73 billion | November 4, 2025 |
Other advisers in White Plains
| Adviser | City | AUM | Private funds | Source |
|---|---|---|---|---|
| The Portfolio Strategy Group, LLC | White Plains | $2.62 billion | 1 | adviserinfo.sec.gov |
| Rethink Capital Partners, LLC | White Plains | $2.23 billion | 27 | adviserinfo.sec.gov |
| Halyard Asset Management LLC | White Plains | $2.03 billion | Not listed | adviserinfo.sec.gov |
| Matrix Asset Advisors Inc | White Plains | $1.40 billion | Not listed | adviserinfo.sec.gov |
| Lyonross Capital Management, LLC | White Plains | $880.5 million | Not listed | adviserinfo.sec.gov |
| LNK Partners, LLC | White Plains | $748.6 million | 3 | adviserinfo.sec.gov |
| Jade Mountain Partners, LLC | White Plains | $588.4 million | 6 | adviserinfo.sec.gov |
Also on SpecStream
- Investment advisers in White Plains, NY
- Investment advisers in New York
- Advisers with $1 billion to $10 billion in AUM
- Advisers serving high net worth individuals
- Advisers serving individuals
- Tortoise Investment Management, LLC on the SEC's adviser search
Public data published by the US Securities and Exchange Commission (US government work). Advisers report these values themselves in Form ADV, and neither the SEC nor the states approve or guarantee them. AUM is regulatory assets under management as the adviser reported it in Form ADV item 5.F, which can differ from the AUM a firm quotes elsewhere. Exempt reporting advisers do not report AUM. Office address, phone and website are the adviser's main office as filed; a firm that files its main office as a private residence shows no street address or phone. An Item 11 disclosure is a reported event, not a finding about the firm today. Details for each firm are on the SEC's Investment Adviser Public Disclosure site. This page uses SEC data and is not endorsed or certified by the SEC. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.