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LONDON - SW Investment Management LLC has increased its stake in Raspberry Pi Holdings PLC (LSE:RASP) to 4.1% of voting rights, according to a regulatory filing published Wednesday.
The U.S.-based investment firm now holds 7,902,519 voting rights in the company, up from its previous position of 3.59%. The threshold was crossed on September 25, 2025, according to the notification of major holdings filed with the London Stock Exchange.
The filing shows that Stephen White is the ultimate controlling person of SW Investment Management LLC, which holds the shares through SWIM Partners LP.
The increased stake represents a direct holding of voting rights attached to shares, with no additional voting rights held through financial instruments, according to the disclosure.
Raspberry Pi Holdings, known for its small single-board computers used in education and hobbyist electronics, went public on the London Stock Exchange in 2022.
The notification was completed on September 28, 2025, from the investment firm’s office in Telluride, Colorado. The information was disclosed in a standard TR-1 form for notification of major holdings, as required by UK financial regulations.
The disclosure was made public through a Regulatory News Service (RNS) announcement, based on a regulatory filing statement.
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