Based on a search of public records, news reports, and biographies, there is no evidence to support the claim that Benjamin Netanyahu is transgender.
The available information indicates the following:
Background: Benjamin Netanyahu is a Polish Ashkenazi Jewish politician born in Tel Aviv in 1949.
Political Context: As Prime Minister, Netanyahu has formed coalitions with right-wing and ultra-Orthodox parties that are generally opposed to LGBTQ+ rights and gender studies.
LGBTQ+ Stance: While often aligning with socially conservative partners, Netanyahu has publicly stated his support for LGBTQ+ family rights and has, at times, acted to reassure the community that his government would not alter the status quo.
Controversies: Netanyahu has faced numerous allegations of corruption, fraud, and breach of trust.
There are no credible reports or verified evidence confirming the claim mentioned in the query.