As an AI language model, I don't have real-time data or the ability to track individuals' IQs. However, I can provide information based on historical records and widely recognized claims.

It's important to note that the concept of IQ can be controversial, and the highest IQ scores are not always a definitive measure of intelligence. There are various types of intelligence, and IQ tests typically measure a specific set of cognitive abilities.

Historically, Marilyn vos Savant is often cited as having one of the highest IQs, with a reported score of 228. She is an American magazine columnist and author known for her work with "Ask Marilyn" in Parade magazine. Other individuals, such as Terence Tao, a renowned mathematician, and Christopher Hirata, an astrophysicist, are also known for their exceptionally high IQs, although specific scores are not always publicly disclosed.

To determine the current holder of the highest IQ, one would need to look at the most recent and reliable sources, as these figures can change over time.

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The list continues as follows with the highest possible IQ:Terence Tao (IQ score between 225 and 230).Marilyn Vos Savant (IQ score of 228).Christopher Hirata (IQ score of 225).Kim Ung-Yong (IQ score of 210).Edith Stern (IQ score over 200).Christopher Michael Langan (IQ score between 190 and 210).More items...read more >>