SEC-Registered Investment Adviser
Trillium Asset Management
Legal name: Trillium Asset Management, LLC
Registration facts are from the firm's Form ADV Part 1A as published by the SEC, latest filing dated September 3, 2026. Figures are firm-level: they describe the advisory firm, not any single offering.
Registration
- Status
- Approved
- Registered since
- December 3, 1982
- Principal office
- One Congress Street, Suite 3101, Boston, MA 02114
- Organized as
- Limited Liability Company, DE
- Fiscal year end
- December
- Other offices
- 1
Scale
- Regulatory AUM
- $4.3B
- Attributable to non-US clients
- $32.0M
- Accounts
- 2,043
- Clients
- 12
- Employees
- 53, 38 in advisory roles
- Private funds advised
- 1
- Private fund gross assets
- $20.5M
- Fund types
- 1 private equity funds
- Funds with Form D records
- 1 issuer in AltStreet's ledger, $25.5M reported sold across them
- Client assets in custody
- $488.0M (165 clients)
Business, clients and compensation, as filed
- Advisory activities
- portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled investment vehicles, portfolio management for businesses and institutional clients, selection of other advisers, publication of periodicals or newsletters and educational seminars or workshops
- Compensated by
- a percentage of assets under management and fixed fees
- Client types
- individuals (other than high net worth) (1,131); high net worth individuals (600); banking or thrift institutions (0); investment companies (2); business development companies (0); pooled investment vehicles (33); pension and profit sharing plans (7); charitable organizations (222); state or municipal government entities (0); other investment advisers (0); insurance companies (0); sovereign wealth funds and foreign official institutions (0); corporations or other businesses (48); other (0)
- Related persons include
- another investment adviser and a sponsor, general partner or managing member of pooled investment vehicles
- Affiliates
- 5 investment advisers
- Wrap fee program
- Sponsors or manages a wrap fee program
Form ADV Item 11 disclosures
No yes answers on Item 11 as of the latest Form ADV (September 3, 2026). Item 11 covers the firm and its advisory affiliates.
Is this your firm? Verified Profiles give managers a structured channel for corrections, additional disclosures, and right of reply, without changing AltStreet's independent research. Learn about verification →
Source: SEC Form ADV via IARD (roster of October 6, 2026), matched to the platform by AltStreet analysts. Item 11 answers are as reported on the firm's Form ADV and cover the firm and its advisory affiliates; consult the firm's IAPD record for the Disclosure Reporting Pages. Brochure statements are the firm's own. Nothing on this page is investment advice.