Mack Investment Securities, Inc.
Mack Investment Securities, Inc. is an SEC-registered mass-market adviser in Northfield, IL with $302.6M assets under management (AUM, regulatory AUM), +15% over one year. See who owns Mack Investment Securities, Inc.: ownership, executives, custodians, and advisors from SEC Form ADV. CRD 17643, SEC 801-29570, data through 2026-03-31.
- AUM (assets under management / regulatory AUM)
- $302.6M (2026-03-31)
- Firm type
- Mass-Market Adviser
- Location
- Northfield, IL
- Employees
- 8
- Clients
- 673
- CRD
- 17643
- Ownership
- GJERTSEN, EDWARD WALTER; MACK, STEPHEN WALTER; GJERTSEN, EDWARD WALTER II; PETRAITIS, BRIAN JOSEPH; ANDERSON, THOMAS WILLIAM
How much AUM does Mack Investment Securities, Inc. have?
Mack Investment Securities, Inc. reported $302.6M in assets under management (regulatory AUM) on its most recent SEC Form ADV (2026-03-31).
Who owns Mack Investment Securities, Inc.?
Disclosed owners and executives of Mack Investment Securities, Inc. include GJERTSEN, EDWARD WALTER, MACK, STEPHEN WALTER, GJERTSEN, EDWARD WALTER II, PETRAITIS, BRIAN JOSEPH, ANDERSON, THOMAS WILLIAM. Full ownership history, officer changes, and indirect owners are on the interactive profile.
View the full interactive profile on ADV.News.