55i, LLC
● SEC registered since 2017CRD 286620SEC# 801-110302Boston, MA
Reg. AUM
$36.74B
Employees
86
Accounts
88,930
Location
Boston, MA
55i, LLC assets under management
55i, LLC is an SEC-registered investment adviser based in Boston, MA. The firm has been registered since 2017. It reports $36.7 billion in regulatory assets under management and employs 86 people.
55i, LLC owners & executives
9 reported| Name | Title | Ownership | Since |
|---|---|---|---|
| 55 Institutional Partners, LLC Control | Sole Member | Over 75% | 2017 |
| Carmine Lekstutis | Assistant General Counsel | Under 5% | 2022 |
| Gautam Sachdev Control | Chief Executive Officer | Under 5% | 2024 |
See all 9 owners & executives — unlock the full record.
Join to unlock · $37/moFrequently asked questions
How much does 55i, LLC manage?
55i, LLC reports $36.7 billion in regulatory assets under management on its Form ADV.
How many employees does 55i, LLC have?
55i, LLC reports 86 employees.
Where is 55i, LLC located?
55i, LLC is based in Boston, MA and has been SEC-registered since 2017.
Does 55i, LLC disclose fund performance?
55i, LLC is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.
Contact & registration
| Address | One Liberty Square, Suite 200, Boston, MA 02109 |
| Phone | 617-960-9559 |
| Office hours | 9:00 a.m. - 5:00 p.m. |
| SEC region | Boston Regional Office (BRO) |
| CIK | 1730242 |
| Discloses disciplinary history | Yes |
Regulatory AUM
$36.74B▲ 32%
Mar '25Form ADV, monthlyJun '26
How this firm compares
Regulatory AUMTop 3%
Larger than 97% of 16,271 advisers
EmployeesTop 8%
More than 92% of 16,825 advisers
Assets under management
$36.74Bregulatory AUM
Discretionary $36.74B