SEC-Registered Investment Adviser
First Manhattan Co. LLC
Registration facts are from the firm's Form ADV Part 1A as published by the SEC, latest filing dated August 13, 2026. Figures are firm-level: they describe the advisory firm, not any single offering.
Registration
- Status
- Approved
- Registered since
- January 13, 1977
- Principal office
- 399 Park Avenue, New York, NY 10022
- Organized as
- Limited Liability Company, DE
- Fiscal year end
- December
- Other offices
- 4
Scale
- Regulatory AUM
- $38.1B
- Discretionary / non-discretionary
- $35.7B / $2.4B
- Attributable to non-US clients
- $1.7B
- Accounts
- 6,294
- Clients
- 0
- Employees
- 147, 51 in advisory roles
- Private funds advised
- 9
- Private fund gross assets
- $865.5M
- Fund types
- 3 hedge funds, 4 private equity funds, 2 other private funds
- Client assets in custody
- $45.7B (6,077 clients)
Business, clients and compensation, as filed
- Advisory activities
- financial planning, 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 and pension consulting
- Compensated by
- a percentage of assets under management and performance-based fees
- Client types
- individuals (other than high net worth) (2,252); high net worth individuals (3,828); investment companies (2); pooled investment vehicles (9); pension and profit sharing plans (95); charitable organizations (108)
- Related persons include
- a broker-dealer, a trust company and a sponsor, general partner or managing member of pooled investment vehicles
- Affiliates
- 1 broker-dealer
- 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 (August 13, 2026). Item 11 covers the firm and its advisory affiliates.
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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.