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RIA / WealthRegistered adviserindependent wealth managerSEC registeredRAUM 100m 1b

PENBROOK MANAGEMENT LLC

CRD 127269

NEW YORK, NY

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:da1d5383-c8ea-2a02-89f7-df777d14e38d

Data as of May 28, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 7:34 AM UTC and rebuilt at most every 15 minutes.

Relationships: 8
Dated events: 1
On other graphs: 0
Observed: Mar 30, 2012 to May 28, 2026
36 observations

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Firm class: independent wealth managerderivedprivate_client_share=0.84 fund_share=0.05 institutional_share=0.08 related_bd=false related_bank=false bd_reps=3.0
Regulatory AUM: $175MItem 5.F on the latest filing (2026-05-28); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $175M
Private client RAUM: $148MderivedItem 5.D individuals plus high net worth individuals
Private client share: 84%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 4
RAUM per advisor: $43.8Mderivedthe firm's RAUM over its IAPD headcount: a firm average, never a person's book
Employees: 4
Advisory employees: 4
Offices: 2Schedule D 1.F, beyond the principal office
Accounts: 168
Individual clients: 37
High net worth clients: 37
Private funds: 1Schedule D 7.B(1)
SEC number: 801-63460
CRD: 127269
Filings on the tape: 36
First filed: Mar 30, 2012
Latest filed: May 28, 2026
Organised: Limited Liability Company, DE
Website: penbrookllc.com

Advisors on IAPD

current investment adviser representatives on the IAPD individual feed, longest tenure first

Advisor	Designations	Branch	Years here	In industry	Prior firms	Dual registered
ROBERT STEPHEN ANDERSON	Chartered Financial Analyst	NEW YORK, NY \| Vero Beach, FL	19	40	n/a	yes
BARBARA ANN DICOSTANZO	Certified Financial Planner	West Windsor, NJ \| NEW YORK, NY	5	36	n/a	yes
BARBARA HILL CHACOUR	Chartered Financial Analyst	NEW YORK, NY	5	46	n/a	yes
CHRISTOPHER DICOSTANZO	n/a	West Windsor, NJ \| NEW YORK, NY	4	14	n/a	no

Private funds

Schedule D 7.B(1); gross asset value as reported, never fund size; reporting ends 2024-12-31

Fund	Type	Reported GAV	As of	Owners	First reported	Status	Form D file
ANKAP PARTNERS, L.P.	Hedge Fund	$8.0M	Feb 9, 2024	14	Mar 30, 2012	reported	021-219270

Owners and control persons

Schedule A and B as filed; ownership codes are the form's bands (NA under 5%, A 5 to 10%, B 10 to 25%, C 25 to 50%, D 50 to 75%, E over 75%); people are listed as filed and never merged by name

Owner	Title	Ownership code	Control person	Acquired	First seen	Last seen
ANDERSON, ROBERT, STEPHEN	MANAGING MEMBER	D	yes	04/2003	Mar 30, 2012	Feb 9, 2024
DICOSTANZO, BARBARA ANN	MANAGING MEMBER, CHIEF COMPLIANCE OFFICER	C	yes	04/2003	Mar 30, 2012	Feb 9, 2024

Affiliates (Item 7.A)

as filed on Item 7.A; a related person with a CRD on the graph links to its own page

Related person	Type	Class on the graph	Its RAUM	Control	Common control	State
PRIVATE CAPITAL STRATEGIES, LLC	n/a	Former SEC adviser	$6.1M	N	no	n/a
ANKAP LLC	n/a	n/a	n/a	N	yes	n/a

Offices

Schedule D 1.F offices beyond the principal office; street addresses are not published

City	State	Country	Employees	Also broker-dealer
n/a	n/a	n/a	1	no

Regulatory AUM by fiscal year

annual amendments (and the roster's annual snapshot) as filed; where a year was amended twice the later filing draws the line

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2025	Feb 11, 2026	$175M	$175M	4	4	2	1	n/a
2024	Jan 31, 2025	$170M	$170M	4	4	1	1	n/a
2023	Feb 9, 2024	$175M	$175M	4	4	1	1	$8.0M
2022	Mar 10, 2023	$146M	$146M	4	4	0	1	$7.9M
2021	Mar 30, 2022	$182M	$182M	4	4	0	1	$11.0M
2020	Mar 24, 2021	$177M	$177M	3	3	0	1	$16.5M
2019	Mar 30, 2020	$134M	$134M	3	3	0	1	$9.6M
2018	Mar 25, 2019	$124M	$124M	3	3	0	1	$10.7M
2017	Mar 31, 2018	$131M	$131M	4	4	2	1	$11.8M
2016	Mar 31, 2017	$122M	$122M	4	4	n/a	1	$12.6M
2015	Mar 9, 2016	$120M	$120M	4	4	n/a	1	$10.0M
2014	Mar 31, 2015	$133M	$133M	5	5	n/a	1	$14.5M
2013	Mar 31, 2014	$133M	$133M	5	5	n/a	1	$15.9M
2012	Mar 28, 2013	$119M	$119M	5	5	n/a	1	$14.5M
2011	Mar 30, 2012	$126M	$126M	n/a	n/a	n/a	1	$14.9M

Advisor flows

derived: registrations beginning and ending at this CRD on IAPD, bulk corporate re-registrations excluded; the rate is departures over IAPD headcount

Joined, 12m	Left, 12m	Net, 12m	Departure rate, 12m	Joined, 90d	Left, 90d	Left, no destination yet	Joined, 36m	Left, 36m
0	0	0	0.0%	0	0	0	0	0

Growth

derived from consecutive annual filings; RAUM as reported

Latest fiscal year	RAUM	A year earlier	1y change	Three years earlier	3y CAGR	Employees	A year earlier	Offices	A year earlier
2025	$175M	$170M	3.3%	$146M	6.2%	4	4	2	1

Relationships

Affiliated with (1)

→ PRIVATE CAPITAL STRATEGIES, LLCRegistered adviserother investment adviser, pooled vehicle sponsor
factForm ADV

Advises (1)

→ ANKAP PARTNERS, L.P.Private fundHedge Fund, IA
Mar 30, 2012 to presentfactForm ADV

Registered with (4)

← CHRISTOPHER DICOSTANZOAdvisorregistration: current employment
Jan 10, 2022 to presentfactForm ADV
← BARBARA ANN DICOSTANZOAdvisorregistration: current employment
Aug 23, 2021 to presentfactForm ADV
← BARBARA HILL CHACOURAdvisorregistration: current employment
Aug 23, 2021 to presentfactForm ADV
← ROBERT STEPHEN ANDERSONAdvisorregistration: current employment
Jan 4, 2007 to presentfactForm ADV

Controls (2)

← DICOSTANZO, BARBARA ANNOwnerMANAGING MEMBER, CHIEF COMPLIANCE OFFICER, ownership code C, individual
Mar 30, 2012 to Feb 9, 2024factForm ADV
← ANDERSON, ROBERT, STEPHENOwnerMANAGING MEMBER, ownership code D, individual
Mar 30, 2012 to Feb 9, 2024factForm ADV

Dated events

Occurred
Feb 4, 2019
Control person left
Moss Ralph Kaplan (Managing Member) no longer on Schedule A of Penbrook Management Llc (listed 2018-05-04, absent 2019-02-04)
Form ADVobserved 4 days ago

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:da1d5383-c8ea-2a02-89f7-df777d14e38d
First observed: Mar 30, 2012
Last observed: May 28, 2026 3 months ago
Source families: Federal regulator filings
3 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

PENBROOK MANAGEMENT LLC

CRD 127269

NEW YORK, NY

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:da1d5383-c8ea-2a02-89f7-df777d14e38d

Data as of May 28, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 7:34 AM UTC and rebuilt at most every 15 minutes.

Advisor

Designations

Branch

Years here

In industry

Prior firms

Dual registered

ROBERT STEPHEN ANDERSON

Chartered Financial Analyst

NEW YORK, NY | Vero Beach, FL

n/a

yes

BARBARA ANN DICOSTANZO

Certified Financial Planner

West Windsor, NJ | NEW YORK, NY

n/a

yes

BARBARA HILL CHACOUR

Chartered Financial Analyst

NEW YORK, NY

n/a

yes

CHRISTOPHER DICOSTANZO

n/a

West Windsor, NJ | NEW YORK, NY

n/a

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

ANKAP PARTNERS, L.P.

Hedge Fund

$8.0M

Feb 9, 2024

Mar 30, 2012

reported

021-219270

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

ANDERSON, ROBERT, STEPHEN

MANAGING MEMBER

yes

04/2003

Mar 30, 2012

Feb 9, 2024

DICOSTANZO, BARBARA ANN

MANAGING MEMBER, CHIEF COMPLIANCE OFFICER

yes

04/2003

Mar 30, 2012

Feb 9, 2024

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

PRIVATE CAPITAL STRATEGIES, LLC

n/a

Former SEC adviser

$6.1M

n/a

ANKAP LLC

n/a

yes

n/a

City

State

Country

Employees

Also broker-dealer

n/a

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Feb 11, 2026

$175M

n/a

2024

Jan 31, 2025

$170M

n/a

2023

Feb 9, 2024

$175M

$8.0M

2022

Mar 10, 2023

$146M

$7.9M

2021

Mar 30, 2022

$182M

$11.0M

2020

Mar 24, 2021

$177M

$16.5M

2019

Mar 30, 2020

$134M

$9.6M

2018

Mar 25, 2019

$124M

$10.7M

2017

Mar 31, 2018

$131M

$11.8M

2016

Mar 31, 2017

$122M

n/a

$12.6M

2015

Mar 9, 2016

$120M

n/a

$10.0M

2014

Mar 31, 2015

$133M

n/a

$14.5M

2013

Mar 31, 2014

$133M

n/a

$15.9M

2012

Mar 28, 2013

$119M

n/a

$14.5M

2011

Mar 30, 2012

$126M

n/a

$14.9M

Joined, 12m

Left, 12m

Net, 12m

Departure rate, 12m

Joined, 90d

Left, 90d

Left, no destination yet

Joined, 36m

Left, 36m

0.0%

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2025

$175M

$170M

3.3%

$146M

6.2%