MACK INVESTMENT SECURITIES, INC.
AUM Over Time
Discretionary
Non-Discretionary
At a Glance
| Total AUM | $302.6M |
| Discretionary | $214.6M71% of AUM |
| Non-Discretionary | $87.9M |
| Client Accounts | 1,017 |
| Avg Account Size | $298K |
| Employees | 8 |
| Peak AUM | $302.6MMar 2026 |
| AUM CAGR |
Firm Change Matrix
| Metric | Latest | 1Y | 3Y CAGR | 5Y CAGR | Trend |
|---|---|---|---|---|---|
Firm Scale | |||||
| Total AUM | $303M | +14.8% | +14.7% | +10.2% | |
| Discretionary AUM | |||||
Key Metrics
| Total AUM | $302.6M |
| Discretionary | $214.6M |
| Employees | 8 |
| Client Accounts | 1017 |
| Client Range | 251-500 |
Contact & Location
Address
211 WAUKEGAN ROAD
NORTHFIELD IL 60093
Phone
847-657-6600
Filing History
57 ADV Part 1 submissions
Fee Structure
% of AUMHourlyFixed FeesCommissions
Advisory Services
Financial PlanningPortfolio Mgmt (Individuals)PublicationsSecurity RatingsEducational Seminars
Growth
AUM Growth Rate (Annualized YoY %)
Firm Profile
Normalized 0–100 scores across six dimensions.
Discretionary vs Non-Discretionary
Discretionary
$215M
70.9% of AUM
Non-Discretionary
$88M
29.1% of AUM
Disc. mix ▼ 1.5pp vs 1 year ago
Discretionary
Non-Discretionary
Average Account Size
AUM per Employee
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
High Net Worth
Individuals
Pension Plans
Risk & Structure
Regulatory Disclosures
✓ Clean RecordNo regulatory disclosures
Other Registrations
Broker-DealerBanking Institution
Related Entities (Item 7)
Investment Adviser