Investment adviser · CRD 17643
MACK INVESTMENT SECURITIES, INC.
Investment adviser filing (IA)
NORTHFIELD, IL, United States · Form ADV filed Mar 31, 2026
- Regulatory AUM
- $303M Form ADV · Item 5.F
- Client accounts
- 1,017 Accounts, not individual clients
- Employees
- 8 Reported in this filing
- Advisory professionals
- 8 Investment advisory functions
Who they report serving
Form ADV · Item 5.DClient types and their share of reported regulatory assets.
| Client type | Clients | Regulatory assets | Share of AUM |
|---|---|---|---|
| High-net-worth individuals | 282 | $230,767,875 | 76.3% |
| Individuals | 379 | $64,994,316 | 21.5% |
| Retirement plans | 12 | $6,827,448 | 2.3% |
Filing source
Form ADV 2086122 · Mar 31, 2026 · Item 5.D
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
Private funds & service providers
0 Private fundsThe count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.
This filing answers No to private funds.
Services & filing details
Most recent filing: Mar 31, 2026. View historical filings
Reported services
Financial planning · Individual portfolio management · Selection of other advisers · Publication of newsletters · Market timing
Compensation
Percentage of assets · Hourly · Fixed · Commissions
Principal office
211 WAUKEGAN ROAD, STE 300NORTHFIELD, IL, 60093, United States
CRD 17643
Filing source
Form ADV 2086122 · Mar 31, 2026 · Items 1 & 5
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.