William A. Ackman

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

NEW YORK, NY 10019

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CRD#: 4866375

Professional summary

William Albert Ackman, who also goes by William Ackman, is a registered financial advisor currently at PERSHING SQUARE CAPITAL MANAGEMENT, L.P. located in New York, New York.

William is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2008. William has worked at 3 firms and has passed the Series 3 exam.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

William Ackman

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view William Albert Ackman's CRS (Customer Relationship Summary).

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

April 14, 2008 - Present

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

Office #1: 888 Seventh Avenue 42nd Floor, New York, NY 10019

RIA

CRD#: 132982

NEW YORK, NY

Past

April 14, 2008 - December 17, 2010

PERSHING SQUARE HOLDINGS GP, LLC

RIA

CRD#: 136390

NEW YORK, NY

Past

April 14, 2008 - March 19, 2025

PERSHING SQUARE GP, LLC

RIA

CRD#: 132984

NEW YORK, NY

Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

PERSHING SQUARE | PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

CRD#: 132982 / SEC#: 801-63688

RIA

Registered Investment Advisory firm - (12/2/2004 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR

means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

Highlighted states indicate IAR registrations

IAR

Texas
(4/14/2008)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

General Industry/Product Exam

Series 3

Date: 10/17/2012

National Commodity Futures Examination

Current Firm

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

PERSHING SQUARE | PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

CRD#: 132982 / SEC#: 801-63688

RIA

Registered Investment Advisory firm - (12/2/2004 Approved)

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Contact information

Main Address

787 Eleventh Avenue 9th Floor, New York, NY 10019

Mailing Address

Phone number

(212) 813-3700

Established

Firm type

Fiscal year end

# of Employees

SEC notice filing (1 States and Territories)

Documents

Latest Form ADV

Part 2 Brochures

PERSHING SQUARE CAPITAL MANAGEMENT, L.P. JUNE 2025 FORM ADV PART 2A (FIRM BROCHURE) (6/5/2025)

PERSHING SQUARE CAPITAL MANAGEMENT, L.P. FORM ADV PART 2B (BROCHURE SUPPLEMENT) MARCH 2025 (3/28/2025)

Regulatory assets under management

Total Number of Accounts	3
AUM (Assets Under Management)	$ 18,251,179,289

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

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William A. Ackman

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view William Albert Ackman's CRS (Customer Relationship Summary).

Certified licenses

Experience

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

PERSHING SQUARE HOLDINGS GP, LLC

PERSHING SQUARE GP, LLC

Primary Firm SEC Registration

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

State Registrations and Notice Filings

Exams

Series 3

Date: 10/17/2012

Current Firm

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

Contact information

SEC notice filing (1 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

PERSHING SQUARE CAPITAL MANAGEMENT, L.P.

TRUST BUT VERIFY

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