# INSTITUTIONAL INVESTORS ADVISORY COMPANY

INSTITUTIONAL INVESTORS ADVISORY COMPANY of FENTON, MO is an SEC-registered investment adviser.

## Registration

- CRD: 109655
- Type: SEC-registered investment adviser
- SEC file number: 801-76836
- Location: 1400 S HIGHWAY DRIVE, FENTON, MO, 63026-2281
- Phone: 314-644-2150
- Latest filing: 2026-07-16
- Regulatory AUM: $24.8M
- Discretionary AUM: $24.8M
- Clients: 4
- Accounts: 2

## Business model

- Compensation: % of AUM
- Clients served: Investment cos

## Officers, owners & control persons (4)

| Name | Role | Location |
| --- | --- | --- |
| ZIELINSKI BARBARA MARIE | CCO / VICE PRESIDENT / TREASURER; TRUSTEE | — |
| ZIELINSKI GREGORY WILLIAM | PRESIDENT; PRESIDENT / CCO; SECRETARY (+1 more) | — |
| ZIELINSKI WILLIAM LOUIS | PRESIDENT | — |
| Stauder Margaret Mary | CHIEF COMPLIANCE OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/109655/brochure
- Similar advisers: https://search.stillhousedata.com/firm/109655/similar
- Related entities: https://search.stillhousedata.com/firm/109655/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/109655

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.