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LOOMIS, SAYLES & COMPANY, L.P.

BOSTON, MACRD #105377SEC #801-170As of 2026-03-31

AUM Over Time

Discretionary
Non-Discretionary

At a Glance

Total AUM$386.88B
Discretionary$355.77B92% of AUM
Non-Discretionary$31.12B
Client Accounts24,675
Avg Account Size$15.7M
Employees728
Peak AUM$386.88BMar 2026
AUM CAGR+7.3% /yrover 25 yrs · 91 filings

AUM by Client Type

Total AUM

$386.9B

Firm Change Matrix

MetricLatest1Y3Y CAGR5Y CAGRTrend
Firm Scale
Total AUM$386.9B+10.3%+15.0%+3.9%
Discretionary AUM$355.8B+10.8%+14.3%+3.7%
Non-Disc. AUM$31.1B+4.6%+24.7%+6.6%
Total Accounts25k+11.0%+7.2%+6.2%
Avg Account Size$16M0.7%+7.3%2.2%
Employees7280.1%+0.5%+1.0%
AUM / Employee$531M+10.4%+14.4%+2.9%
Client AUM Segments
Wealth AUM$12.8B+10.3%+13.1%+5.8%
Institutional AUM$179.8B+12.9%+13.1%+5.0%
Fund / Pooled AUM$162.8B+9.2%+16.4%+2.7%
Other AUM$31.4B+1.7%+20.8%+3.7%
Client Count Segments
Institutional2k+11.2%+7.6%+10.9%
Pooled / Fund1827.1%0.9%5.6%
Individuals23k+11.3%+7.3%+6.1%

Key Metrics

Total AUM$386.88B
Discretionary$355.77B
Employees728
Client Accounts24675

Contact & Location

Address

ONE FINANCIAL CENTER
BOSTON MA 02111-2621

Phone

617-482-2450

Filing History

91 ADV Part 1 submissions

Fee Structure

% of AUMPerformance Fees

Advisory Services

Portfolio Mgmt (Individuals)Portfolio Mgmt (Pooled)Portfolio Mgmt (Institutional)Pension Consulting
Growth

AUM Growth Rate (Annualized YoY %)

Firm Profile

Normalized 0–100 scores across six dimensions.

Discretionary vs Non-Discretionary

Discretionary

$355.8B

92.0% of AUM

Non-Discretionary

$31.1B

8.0% of AUM

Disc. mix ▲ 0.4pp vs 1 year ago

Discretionary
Non-Discretionary

Average Account Size

AUM per Employee

Non-US Client AUM

Headcount Over Time

Total Employees
Advisory Staff
Clients

Client Account Growth

Total Accounts
Discretionary
Non-Discretionary

Clients by Type (Latest)

Client Type Mix Over Time

Individuals
Pooled Vehicles
Pension Plans
Corporations
Government
Insurance Cos.
Other
Risk & Structure

Regulatory Disclosures

⚠ Disclosures Reportedfirst noted Jan 2001
•Felony conviction

Custody

Bank CustodyBroker-Dealer CustodySurprise Exam

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