
In a significant development for the global financial industry, UBS Group AG has agreed to pay a hefty $511 million to settle a long-running U.S. investigation into its subsidiary, Credit Suisse Group, for facilitating tax evasion for wealthy Americans.
The settlement, announced on May 6, 2025, follows a guilty plea from Credit Suisse Services AG, which admitted to conspiring to conceal over $4 billion from the Internal Revenue Service (IRS) through at least 475 offshore accounts.
This resolution marks another chapter in the tumultuous legacy of Credit Suisse, which UBS acquired in a government-orchestrated $3.25 billion deal in March 2023 amid the former’s collapse.
However, the settlement has sparked curiosity and skepticism among retail investors, who are questioning what other questionable practices banks like UBS and Credit Suisse may undertake for their wealthy clients, including hedge funds, particularly in relation to market manipulation.
A History of Tax Evasion and Financial Misconduct
The U.S. Justice Department’s investigation revealed that Credit Suisse Services AG, now under UBS’s ownership, helped U.S. taxpayers hide assets and income in offshore accounts for over a decade.
The settlement includes a guilty plea to one count of conspiracy to aid and assist in the preparation of false income tax returns, with Credit Suisse agreeing to pay $371.9 million.
Additionally, the bank entered a non-prosecution agreement concerning U.S. taxpayers booked in its legacy Singapore booking center, contributing an additional $138.7 million to the settlement.
UBS has emphasized that it was not involved in the underlying conduct and maintains a “zero tolerance” policy for tax evasion.
Following the acquisition, UBS discovered undeclared accounts, froze them, and voluntarily reported them to the Justice Department, cooperating fully with authorities.
The DOJ acknowledged UBS’s proactive measures, noting that the bank conducted internal investigations to uncover the extent of the misconduct.
However, this settlement comes on the heels of a 2023 Senate Finance Committee investigation, which found that Credit Suisse had violated a 2014 plea agreement by failing to report nearly $100 million in secret offshore accounts belonging to a family of dual U.S.-Latin American citizens.
For retail investors, this settlement raises broader questions about the lengths to which major financial institutions will go to protect their high-net-worth clients and hedge funds.
The opacity of offshore accounts and the willingness to skirt regulatory oversight fuel speculation about other potential misconduct, including market manipulation practices that could disproportionately harm smaller investors.
Retail Investors Question Market Manipulation Practices
The Credit Suisse tax evasion scandal has reignited concerns among retail investors about the cozy relationships between major banks and hedge funds.
Social media platforms, particularly X, have been abuzz with discussions about how banks like Credit Suisse and UBS might engage in or enable market manipulation tactics to benefit their wealthiest clients.
Practices such as naked short selling, spoofing, and high-frequency trading have long been points of contention for retail investors, who argue that these strategies create an uneven playing field in the stock market.
Naked short selling, in particular, has been a focal point of retail investor advocacy.
This practice involves selling shares that have not been affirmatively located or borrowed, potentially driving down stock prices and harming companies and investors.
Retail investors have repeatedly called on the U.S. Securities and Exchange Commission (SEC) to investigate and regulate such activities more stringently.
The Credit Suisse case adds fuel to these concerns, as it underscores the bank’s willingness to engage in secretive financial maneuvers for elite clients, prompting speculation about whether similar tactics extend to market manipulation in collaboration with hedge funds.
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Credit Suisse’s 2022 Warning on Naked Short Covering
In November 2022, Credit Suisse filed a 6-K report with the SEC, warning investors of potential losses due to the need to cover naked short positions.
The filing highlighted the bank’s exposure to risks associated with short selling, particularly in volatile market conditions, and cautioned that covering these positions could lead to significant financial impacts.
This disclosure caught the attention of retail investors, who saw it as evidence of the bank’s involvement in controversial trading practices.
The 6-K filing stated, “In the ordinary course of our trading and market-making activities, we may hold short positions…
These activities may result in losses if the market price of the relevant instruments increases.”
For retail investors, this warning was a rare acknowledgment of a practice they have long criticized.
The mention of naked short covering in the filing amplified calls for the SEC to investigate not only Credit Suisse but also other financial institutions for potential market manipulation.
On platforms like X, retail investors expressed frustration, arguing that such practices contribute to market distortions and unfairly disadvantage smaller investors who lack the resources to compete with institutional players.
The $511 million settlement, while addressing tax evasion, does little to assuage these concerns, leaving many to wonder what other undisclosed activities UBS inherited from Credit Suisse.
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Blaming Retail Investors for Credit Suisse’s Collapse

Adding to the controversy, Credit Suisse’s former Chairman, Axel Lehmann, made headlines in 2023 when he attributed the bank’s collapse to retail investors and social media.
Speaking at an event, Lehmann claimed that a “social media storm” fueled by retail investors triggered a bank run that led to Credit Suisse’s downfall.
He argued that coordinated efforts on platforms like Reddit and Twitter (now X) amplified negative sentiment, causing depositors to withdraw funds en masse and destabilizing the bank.
This narrative drew sharp criticism from retail investors, who viewed it as an attempt to deflect blame from the bank’s own mismanagement and risky practices.
Credit Suisse had been plagued by a series of scandals, including the Archegos Capital Management collapse and the Greensill Capital debacle, which eroded investor confidence and weakened its financial position long before the 2023 crisis.
Retail investors argued that Lehmann’s comments were not only scapegoating but also dismissive of the legitimate concerns raised by grassroots investor communities about transparency and accountability in the financial sector.
On X, users pointed out the irony of Lehmann’s claims, noting that Credit Suisse’s own actions—such as facilitating tax evasion and engaging in risky trading practices—were far more responsible for its collapse than retail investor activism.
One post summarized the sentiment: “Credit Suisse’s chairman blaming retail investors is like a captain blaming the crew for sinking the ship he steered into an iceberg.”
The backlash underscored a growing divide between institutional finance and retail investors, who feel increasingly empowered to challenge the status quo through social media and collective action.
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The Bigger Picture: Trust and Transparency in Banking
The $511 million settlement, while a step toward resolving Credit Suisse’s tax evasion issues, does little to address the broader mistrust among retail investors.
The revelation that Credit Suisse helped wealthy clients hide billions from the IRS, combined with its prior warnings about naked short covering and its chairman’s attempt to blame retail investors, paints a picture of a financial institution more concerned with protecting its elite clientele than fostering market fairness.
For retail investors, the settlement is a reminder of the systemic advantages afforded to the wealthy, raising questions about what other undisclosed practices UBS and similar banks may be shielding.
The acquisition of Credit Suisse by UBS has placed the latter under intense scrutiny, as it inherits not only the bank’s assets but also its liabilities and reputational baggage.
UBS’s proactive cooperation with the DOJ in uncovering undeclared accounts is a positive step, but it does not fully quell concerns about the potential for ongoing misconduct in other areas, such as market manipulation.
Retail investors, emboldened by platforms like X, continue to demand greater transparency and accountability from both regulators and financial institutions.
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What’s Next for UBS and Retail Investors?

As UBS navigates the fallout from the Credit Suisse acquisition, it faces the challenge of restoring trust while integrating a troubled institution into its operations.
The $511 million settlement may close one chapter, but it opens another for retail investors who are increasingly vigilant about the practices of global banks.
The focus on naked short selling, in particular, remains a rallying cry for retail investor communities, who see the SEC’s inaction as a failure to protect the broader market.
For now, UBS has stated that it will recognize a credit in the second quarter related to the settlement, signaling that the financial impact is manageable.
However, the reputational cost may be harder to quantify, especially as retail investors continue to scrutinize the bank’s actions.
The growing influence of retail investor movements, amplified by social media, suggests that banks like UBS can no longer operate in the shadows without facing public reckoning.
In conclusion, the $511 million settlement between UBS and the U.S. Justice Department highlights the deep-seated issues within Credit Suisse’s legacy and raises critical questions about the integrity of global banking practices.
Retail investors, far from being the culprits Lehmann claimed, are emerging as a powerful force in holding financial institutions accountable.
As they continue to probe issues like naked short selling and market manipulation, the pressure is on UBS and regulators to address these concerns—or risk further eroding public trust in the financial system.
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