# ACON INVESTMENTS MANAGEMENT, LLC

ACON INVESTMENTS MANAGEMENT, LLC of WASHINGTON, DC is an SEC-registered investment adviser.

## Registration

- CRD: 162033
- Type: SEC-registered investment adviser
- SEC file number: 801-74421
- Location: 1133 CONNECTICUT AVE NW, WASHINGTON, DC, 20036
- Phone: 202-454-1100
- Latest filing: 2026-09-01
- Regulatory AUM: $192.8M
- Discretionary AUM: $192.8M
- Clients: 16
- Accounts: 9

## Business model

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

## Officers, owners & control persons (12)

| Name | Role | Location |
| --- | --- | --- |
| [Masumi Waida](https://search.stillhousedata.com/person/43288) | CFO | WASHINGTON, DC |
| [Bernard Aronson](https://search.stillhousedata.com/person/309824) | MANAGING MEMBER | Washington, DC, DC |
| [Jonathan Ginns](https://search.stillhousedata.com/person/309825) | MANAGING MEMBER | Washington, DC, DC |
| [Kenneth Ross Brotman](https://search.stillhousedata.com/person/691998) | MANAGING MEMBER | — |
| [Teresa Young Bernstein](https://search.stillhousedata.com/person/691999) | COO, GC, CCO | — |
| [JOHNSON JAY EDWIN](https://search.stillhousedata.com/person/807430) | CCO, CFO; CFO | — |
| [BERNSTEIN TERESA YOUNG](https://search.stillhousedata.com/person/812575) | CCO, CLO; COO, GC, CCO | — |
| [ARONSON BERNARD](https://search.stillhousedata.com/person/816528) | MANAGING MEMBER | — |
| [BROTMAN KENNETH ROSS](https://search.stillhousedata.com/person/816529) | MANAGING MEMBER | — |
| [GINNS JONATHAN](https://search.stillhousedata.com/person/816532) | MANAGING MEMBER | — |
| [Lewis Kwame Akini](https://search.stillhousedata.com/person/842022) | ACTING CFO; CFO | — |
| [WAIDA MASUMI](https://search.stillhousedata.com/person/861067) | CHIEF FINANCIAL OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/162033/brochure
- Similar advisers: https://search.stillhousedata.com/firm/162033/similar
- Related entities: https://search.stillhousedata.com/firm/162033/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/162033

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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.