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Papamarkou Wellner Asset Management, Inc.
Multifamily office listing in New York, New York, United States.
- SEC-registered
- Headquarters
- New York, NY
- Regulatory AUM
- $358 million
- Employees
- 11
- SEC CRD
- 131796
Papamarkou Wellner Perkin, or PWP, is an independent multi family office and SEC registered investment adviser.12
Overview
PWP operates from New York City and maintains another office in Palm Beach.2 The SEC directory names Papamarkou Wellner Asset Management, Inc. as the registered legal entity. The record lists one additional office and 11 employees as of March 31, 2026.1 Its SEC registration became effective on July 21, 2024.1
The firm says it advises domestic and international high net worth individuals, family offices, endowments and foundations.2 Its financial advisory activities span all major industry sectors.2
History
The firm dates its origins to 1982, according to its website.2 Karl G. Wellner joined Papamarkou Wellner Asset Management in 2003 as President and CEO and now holds the title Chairman and CEO.4 Thorne L. Perkin joined in 2005 and is President.5 Nicolas E. Sitinas joined Papamarkou Wellner in 2012 and is Chief Investment Officer.6
Wellner held senior roles at Key Asset Management USA Inc., Bank Julius Baer in New York, JS Products and Habsburg, Feldman.4 His biography also identifies him as a founder, partner and shareholder of KAWE Kapital. He graduated from the Stockholm School of Economics.4
Before joining PWP, Perkin worked in Credit Suisse’s Private Client Group, equity research at Needham and Company, and middle markets and small business lending at The Bank of New York.5 He is described as a co founder and first investor in OLIKA, Inc., later acquired by Amyris, Inc.5 Perkin earned a bachelor’s degree from Colgate University with a focus on economics and history.5
Sitinas started in equity research at Lazard Frères and later worked at Shikiar Asset Management.6 In 2001, he established NES Capital Management LLC, where he managed two equity oriented hedge funds.6 He holds a BSc in Computer Science from Tufts University and an MBA in Finance from Columbia Business School.6
Timeline
- 1982The firm dates its origins to 1982, according to its website.
- 2001In 2001, he established NES Capital Management LLC, where he managed two equity oriented hedge funds.
- 2003Wellner joined Papamarkou Wellner Asset Management in 2003 as President and CEO and now holds the title Chairman and CEO.
- 2005Perkin joined in 2005 and is President.
- 2012Sitinas joined Papamarkou Wellner in 2012 and is Chief Investment Officer.
- 2024Its SEC registration became effective on July 21, 2024.
- 2026The record lists one additional office and 11 employees as of March 31, 2026.
Leadership
PWP’s team page identifies Karl G. Wellner as Chairman and CEO; Thorne L. Perkin as President; Nicolas E. Sitinas as Chief Investment Officer; Bryon H. Lyons as Chief Compliance Officer; Dmitriy Rutitskiy as CFO and FINOP; Joanne Zerillo as President and CEO of Papamarkou Wellner and Co., Inc.; Donik Arabyan as Director of Research; Lorenzo Lorenzotti and Anastasios Stacy Adam as Managing Directors; Kyle M. Wellner as Vice President; Patricia Cronin as Associate; and Nathalia Palacios as Office Manager.3
The same page lists Scott D. Daniels as Senior Advisor for Finance and Accounting. James McVeigh, Mike Ballou, Lisbeth R. Barron, Jack Ferrer, Brian M. Feuer and Andrew Buchholtz are listed as Senior Advisors.3
Services
PWP describes its work as including investment management, private placements, capital introductions, mergers and acquisitions, and merchant banking solutions.2 The SEC directory records portfolio management for individuals and small businesses, portfolio management for pooled vehicles, selection of other advisers, newsletters and publications, and other advisory services.1 Reported fee categories include percentage of assets, performance based fees and other fees.1
The firm lists private equity offerings, boutique hedge funds, family office co investments, direct transactions and venture capital as opportunity types.2 Its website also says that PWP maintains relationships with more than 200 family offices.2
What the firm offers
- Investment management
- Philanthropy
- Private and alternative investments
- Cross-border planning
Client focus
The SEC record lists 96 high net worth individual clients, one pooled vehicle client, one charity client and 11 other clients as of March 31, 2026.1 PWP presents high net worth individuals, family offices, endowments and foundations as key client groups.2
Investment philosophy and approach
PWP describes each assignment as collaborative.2 The firm says its work involves substantial participation by veteran industry professionals and that confidentiality and discretion are expected standards for clients.2
Assets and minimums
Regulatory assets under management were $357,509,070 as of March 31, 2026.1 The SEC record attributes $322,160,337 to high net worth individual clients, $14,193,762 to one pooled vehicle, $3,023,945 to one charity and $18,131,026 to 11 other clients on that date.1 The supplied filing does not state an account minimum.1
FAQs
When did PWP begin?
PWP’s website gives 1982 as the firm’s founding year.2
Which cities does PWP list?
The firm identifies New York City as its headquarters and Palm Beach as the location of another office.2
What client groups does PWP identify?
Its stated groups include domestic and international high net worth individuals, family offices, endowments and foundations.2
Related resources
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Sources
- SEC IAPD firm summary , accessed and recorded as of March 31, 2026.
- PWP homepage , accessed October 23, 2026.
- PWP team page , accessed October 23, 2026.
- Karl G. Wellner biography , accessed October 23, 2026.
- Thorne L. Perkin biography , accessed October 23, 2026.
- Nicolas E. Sitinas biography , accessed October 23, 2026.
This profile is a factual summary written in our own words from public sources. It is for information only. It is not an endorsement, rating, ranking or recommendation, and it is not investment advice. MultiFamilyOffices.com is not affiliated with the SEC or with this firm unless stated. Form ADV figures are self-reported by the firm.
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