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Penbrook Management LLC

New York, NYSEC-registered investment adviserCRD 127269

Filed as PENBROOK MANAGEMENT LLC

Penbrook Management LLC is an SEC-registered investment advisory firm in New York, NY, registered since 2004, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated May 28, 2026.

22 years
registered since 2004
$175,390,001
assets under management
1 arrangement
Percentage of assets
3
disclosure items (Item 11)

Quick answers

From the filing

How is Penbrook Management LLC compensated?

On its Form ADV (Item 5.E, October 2026), Penbrook Management LLC reports these compensation arrangements: a percentage of assets under its management.

Where is Penbrook Management LLC located?

Penbrook Management LLC's principal office is in New York, NY, according to its Form ADV.

Is Penbrook Management LLC registered with the SEC or a state?

Penbrook Management LLC is an SEC-registered investment advisory firm, registered since 2004. Status as filed: Approved. CRD 127269.

How much does Penbrook Management LLC manage?

Penbrook Management LLC reports $175,390,001 in regulatory assets under management in its Form ADV filing dated May 28, 2026 (100% discretionary).

How have Penbrook Management LLC's assets and staff changed since 2021?

In the Form ADV data for Penbrook Management LLC: Regulatory assets under management: $176,520,361 in the October 2021 data and $175,390,001 in the October 2026 data, down 1%. Total employees: 3 in October 2021 and 4 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Penbrook Management LLC serve?

By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (37); high net worth individuals (37); charitable organizations (3).

Which custodians does Penbrook Management LLC use?

Penbrook Management LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Pershing LLC as a custodian holding 10% or more of its separately managed account assets.

Does Penbrook Management LLC report any disciplinary disclosures?

Reports 3 disclosure items on Form ADV Item 11: yes answers to 11.D(2) (another regulator's finding of a violation), 11.D(4) (another regulator's order in the past ten years), and 11.H(2) (pending civil proceeding). Each question covers the firm and its advisory affiliates, and one event can produce several yes answers. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/127269

What changed in Penbrook Management LLC's recent Form ADV filings?

In the June 2026 filing data: Item 11 disclosure answers changed: 3 yes answers, previously 2 (now yes: 11.H(2)).

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

The brochure lists different fees for different services or strategies. See the firm's brochure (dated February 11, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$175,390,001

$175,390,001 as of October 2026, filing dated May 28, 2026.

Discretionary: $175,390,001.Non-discretionary: $0.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Individuals (other than high net worth individuals)
Clients 37 Assets $9,001,509 (5%)
High net worth individuals
Clients 37 Assets $138,540,701 (79%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 1 Assets $9,261,258 (5%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 1 Assets $4,142,483 (2%)
Charitable organizations
Clients 3 Assets $9,636,617 (5%)
Corporations or other businesses not listed above
Clients 2 Assets $4,807,433 (3%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Financial planning services
  • Portfolio management for individuals and/or small businesses
  • Portfolio management for pooled investment vehicles (other than investment companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients
  • Pension consulting services

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2004 (22 years)
Employees
Total: 4. Performing investment advisory functions: 4.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

States registered or notice-filed
7 states or jurisdictions
CACTFLMANJNYTX

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

3 Reports 3 disclosure items on Form ADV Item 11. View on IAPD.

Questions answered yes on this filing

Regulatory matters Items 11.C to 11.G

  • 11.D(2) Has another federal regulator, a state regulator, or a foreign financial regulator ever found that the firm or an advisory affiliate was involved in a violation of investment-related regulations or statutes?
  • 11.D(4) In the past ten years, has another federal regulator, a state regulator, or a foreign financial regulator entered an order against the firm or an advisory affiliate in connection with investment-related activity?

Civil court matters Item 11.H

  • 11.H(2) Is the firm or an advisory affiliate now the subject of a civil proceeding that could result in a yes answer to any part of 11.H(1)?

Each question covers the firm and its advisory affiliates: its current employees other than clerical staff, its officers, partners, and directors, and anyone who controls the firm or is controlled by it. One event can produce yes answers to several questions. SEC-registered advisers and exempt reporting advisers may leave out events more than ten years old, and may answer 11.A(2) and 11.B(2) for pending charges only. What happened, and who was involved, is on the Disclosure Reporting Pages of the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$177M 2021 $182M 2022 $146M 2023 $175M 2024 $170M 2025 $175M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$175,390,0014May 28, 2026
October 2025$169,783,1024June 17, 2025
October 2024$175,156,3914February 9, 2024
October 2023$146,364,5864April 21, 2023
October 2022$181,924,9924May 23, 2022
October 2021$176,520,3613April 12, 2021

Regulatory assets under management: $176,520,361 in the October 2021 data and $175,390,001 in the October 2026 data, down 1%.

Total employees: 3 in October 2021 and 4 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. June 2026
    • Item 11 disclosure answers changed: 3 yes answers, previously 2 (now yes: 11.H(2)).
  2. January 2026
    • No longer registered or notice-filed in NH.
  3. December 2025
    • Item 11 disclosure answers changed: 2 yes answers, previously 0 (now yes: 11.D(2), 11.D(4)).

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
penbrookllc.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Penbrook Management LLC (CRD 127269): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/penbrook-management-llc-new-york-ny-127269