SQ Capital

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SQ Capital overview

SQ Capital contact information

Offices

marker icon520 Madison Avenue, New York, 10022, United States
Showing 1 of 1 SQ Capital offices

Contacts

NameJob titleLocationEmail
Key Contact
user imageMr. Steven Castaño
Job titleVice President, Investments
LocationNew York, United States
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Key Contact
user imageMr. Andrew Curry
Job titleMD, Investor Relations & Capital Formation
LocationNew York, United States
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Key Contact
user imageMr. Mustafa M. Siddiqui
Job titleFounder & CEO
LocationNew York, United States
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user imageMr. Michael Petryczenko
Job titleChief Financial Officer and Chief Compliance Officer
LocationNew York, United States
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SQ Capital fund commitments

Known fund commitments: 1

FundManagerCommitment dateCommitment size
Managerlock image---------
Commitment dateAug 2026
Commitment size-

SQ Capital funds managed

Funds in market: 1

FundFund sizeOpen dateStrategy
Fund sizelock image----------
Open dateMay 2025
Strategylock image-------

Stories that mention SQ Capital

Emerging GPs seek a technological edge

For first-time managers, AI tools are a chance to leapfrog legacy systems and larger rivals.

Where’s the ROI in AI?

In theory, artificial intelligence should slash costs and ramp up productivity at the GP level, but achieving a return on that investment is proving to be a slow process.

Emerging managers face a new barbell effect

Fundraising remains a challenge for plenty of new firms, but there are glimmers of hope for the PE ecosystem yet.

Distribution and liquidity strains supercharge secondaries: Story of the Year

Volatility, new entrants and increased specialisation elevated the secondaries market to new heights in 2025.

Side Letter: Full-year fundraising preview

A sneak peek at PEI's full-year fundraising stats for 2024. Plus: What's on the ESG agenda for 2025; and up springs another new secondaries firm. Here's today's brief, for our valued subscribers only.