RIA Intel›Advisers›New York›FIRST MANHATTAN CO. LLC

FIRST MANHATTAN CO. LLC

Advisory

N·NEW YORK, NY

Data as of Apr 1, 2026 · Source: SEC Form ADV

Total AUM

$38.1B

1-Year AUM Growth

+34.9%

3-Year CAGR

+10.7%

Employees

51

Assets Under Management

Total AUM$38.1B

Discretionary AUM$35.7B

Non-Discretionary AUM$2.4B

Discretionary %93.6%

Total Clients5,722

Team

Total Employees51

Investment Advisers147

Employee Growth (1Y)+4.4%

Filing History

Total Filings on Record11

First FilingFeb 9, 2023

Latest FilingApr 1, 2026

🔒 Full AUM trend chart and 11 historical filings spanning 3+ years

Registration

Status—

Registration Date—

SEC RegisteredYes

Exempt ReportingNo

⚡ Succession Risk Score

Our proprietary 5-pillar model analyzes founder tenure, ownership concentration, AUM dependency, and more to score transition risk.

📊 Peer Benchmarking

See how this firm ranks against peers nationally and by state across AUM growth, efficiency, team size, and 16 other metrics.

👥 Owners & Officers

View the complete ownership structure from SEC Schedule A/B filings, including control persons and their tenure.

🏦 Client Demographics

Detailed breakdown of client types including individuals, high-net-worth, institutions, pension plans, and charitable organizations.

Get the full picture on FIRST MANHATTAN CO. LLC

Succession risk scoring, peer benchmarking, ownership structure, private fund details, and 20+ years of filing history.