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Petrus Advisers
Petrus Advisers is an activist investment firm focused on developing a deep, fundamental understanding of the public companies it invests in, paired with...
Petrus Advisers
Petrus Advisers is an activist investment firm focused on developing a deep, fundamental understanding of the public companies it invests in, paired with active engagement both publicly and behind-the-scenes. It focuses exclusively on European countries where it can act as agents of change in industries within which it is expert. It is FCA regulated and manages long/short and long-only equity funds.
General information
Firm type
Generalist
Year founded
2009
AUM
€700M
Location
Region
Europe
Country
United Kingdom
City
Bratislava
Corporate office
London, United Kingdom
Additional offices
Bratislava, Slovakia
Principals
Klaus Umek
Managing Partner and Founder
Altss tracks 1 additional named team member for this firm — including direct investment leads, IR, and operating principals not listed on the public website.
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Frequently asked questions
Who runs investment decisions at Petrus Advisers?
Klaus Umek founded the firm in 2009 and serves as Managing Partner. Former Partner and Head of Activism Till Hufnagel left in 2025 to start his own fund. Partner Veronica Buffoni remains on the team.
How does Petrus Advisers source proprietary deal flow?
Petrus builds concentrated positions after deep fundamental research on both the long and short side. It then runs dual-track engagement — public activism and behind-the-scenes negotiation with management teams and supervisory boards — to drive restructuring or strategic sales. The firm states it conducts over 100 activist actions per year.
Does Petrus Advisers participate in fund commitments or only direct deals?
The firm invests directly in publicly listed equities across Core Europe. It does not market a fund-of-funds program or commit to external private-equity funds. Its three vehicles differ by investor type and liquidity rather than by commitment structure.
What investment stages does Petrus Advisers typically target?
Petrus targets mid-cap public companies with stable cash flows or identifiable restructuring potential. It does not invest in early-stage venture or growth-stage private rounds. The strategy is stage-agnostic within mid- to large-cap listed European equities.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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