Not Disclosed
a portfolio company of
Arlington Capital Partners
has agreed to be acquired by
Pending
Industrial Growth Products
Kathleen Yakulis
Director, Aerospace / Defense & Government Services
About Kathleen
Kathleen Yakulis is a director for William Blair based in the firm’s Charlotte office. She joined William Blair’s investment banking team in 2017. Before William Blair, she worked for BlackArch Partners.
Languages Spoken
English
Spanish
Notable Transactions
$1,000,000,000
a portfolio company of Audax Private Equity
has been acquired by
November 2025
Aerospace Defense & Government Services
William Blair acted as the lead financial advisor to Trexon, a portfolio company of Audax Private Equity, in connection with its pending sale to Amphenol Corporation (NYSE: APH) for approximately $1.0 billion.
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Not Disclosed
has acquired
January 2025
Aerospace Defense & Government Services
Not Disclosed
has been acquired by
December 2024
Aerospace Defense & Government Services
Not Disclosed
a portfolio company of AGIC Capital
has been acquired by
December 2024
Aerospace Defense & Government Services
William Blair, in conjunction with its Asian affiliate, BDA Partners, acted as exclusive financial advisors to Farsound Aviation Limited, a portfolio company of AGIC Capital, in connection with its pending sale to Onex Partners Opportunities Fund.
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Not Disclosed
a portfolio company of ShoreView Industries
has been acquired by
November 2024
Aerospace Defense & Government Services
Not Disclosed
Single-Asset ContinuationFund for
December 2023
Aerospace Defense & Government Services
Not Disclosed
a portfolio company of
The Jordan Company
has been recapitalized by
December 2023
Industrial Growth Products
$2,050,000,000
a portfolio company of Warburg Pincus
has been acquired by
August 2023
Aerospace Defense & Government Services
Not Disclosed
a portfolio company of Windjammer Capital
has been acquired by
a portfolio company of
Arcline Investment Management
November 2022
Industrial Growth Products
William Blair acted as financial advisor to Hermetic Solutions Group, a portfolio company of Windjammer Capital Investors, in connection with its sale to Qnnect, a portfolio company of Arcline Investment Management.
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Not Disclosed
has been acquired by
April 2021
Aerospace Defense & Government Services
William Blair acted as the financial advisor to Orbis Operations, a portfolio company of Adelphi Capital, in connection with its sale to McNally Capital.
Read more
Not Disclosed
has been acquired by
December 2020
Aerospace Defense & Government Services
Rigorous pursuit of your success. Every transaction. Every time.
Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.
More about investment banking at William Blair
Aerospace, Defense & Government
William Blair’s Aerospace, Defense, and Government Services team is a trusted advisor to investors and high-growth companies, as well as firms providing services to governments at the federal, state, and local levels. We advise across a full spectrum of transaction types, including M&A and capital raise situations.
Our clients depend on our long-standing relationships with strategic acquirers and financial sponsors, as well as our knowledge of market dynamics, regulatory requirements, and contractual complexities of numerous subsectors.
More about our aerospace, defense, and government expertise
About William Blair
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*
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1935Year William Blair was founded
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1,950+Employees worldwide
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150 billion+Client assets
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90 YearsIndependent and employee-owned
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20+Offices worldwide
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650+Companies under coverage
As of September 30, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.