# PENBROOK MANAGEMENT LLC

PENBROOK MANAGEMENT LLC of NEW YORK, NY is an SEC-registered investment adviser. This firm reports disciplinary history on Form ADV.

## Registration

- CRD: 127269
- Type: SEC-registered investment adviser
- SEC file number: 801-63460
- Location: 880 THIRD AVENUE, 16TH FLOOR, NEW YORK, NY, 10022
- Phone: 212-792-6952
- Latest filing: 2026-05-28
- Regulatory AUM: $175.4M
- Discretionary AUM: $175.4M
- Clients: 4
- Accounts: 168

## Business model

- Compensation: % of AUM
- Clients served: Individuals, High net worth, Pooled vehicles, Pensions, Investment cos

## Officers, owners & control persons (7)

| Name | Role | Location |
| --- | --- | --- |
| Robert Stephen Anderson | MANAGING MEMBER | — |
| Barbara Ann Dicostanzo | MANAGING MEMBER, CHIEF COMPLIANCE OFFICER | — |
| ANDERSON ROBERT STEPHEN | MANAGING MEMBER | — |
| KAPLAN RALPH MOSS | MANAGING MEMBER | — |
| BURKE BARBARA ANN | MANAGING MEMBER, CHIEF COMPLIANCE OFFICER | — |
| DICOSTANZO BARBARA ANN BURKE | MANAGING MEMBER, CHIEF COMPLIANCE OFFICER | — |
| DICOSTANZO BARBARA ANN | MANAGING MEMBER, CHIEF COMPLIANCE OFFICER | — |


## Disclosures (5)

| Initiated | Type | Allegations | Status | Amount |
| --- | --- | --- | --- | --- |
| 2026-04-15 | civil | CIVIL ACTION ALLEGING BREACH OF FIDUCIARY DUTY AND IMPROPER HANDLING OF TRUST ASSETS IN CONNECTION WITH INVESTMENT MANAGEMENT ACTIVITIES, INCLUDING ALLEGATIONS RELATED TO INVESTMENT DECISIONS AND FEES. | Pending | — |
| — | regulatory | — | — | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/127269/brochure
- Similar advisers: https://search.stillhousedata.com/firm/127269/similar
- Related entities: https://search.stillhousedata.com/firm/127269/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/127269

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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.