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MFS INSTITUTIONAL ADVISORS INC.

Advisory

N·BOSTON, MA

Data as of Feb 6, 2026 · Source: SEC Form ADV

Total AUM

$111.8B

1-Year AUM Growth

-13.0%

3-Year CAGR

-8.6%

Employees

331

Assets Under Management

Total AUM$111.8B

Discretionary AUM$111.8B

Non-Discretionary AUM$0

Discretionary %100%

Total Clients10,260

Team

Total Employees331

Investment Advisers1,331

Employee Growth (1Y)+3.1%

Private Funds

Number of Private Funds7

🔒 Fund-level details including strategies, gross assets, and individual fund records

Filing History

Total Filings on Record71

First FilingFeb 23, 2001

Latest FilingFeb 6, 2026

🔒 Full AUM trend chart and 71 historical filings spanning 25+ 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 MFS INSTITUTIONAL ADVISORS INC.

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