Bellocq started in the youth ranks of
Buenos Aires club
Estudiantes, before joining the
Independiente youth team in 2007. Six years later, Bellocq was promoted into Independiente's first-team and featured in the matchday squad for the first-time in May 2013 for a
Copa Argentina match against
Boca Unidos. Bellocq signed for
Super League Greece side
Asteras Tripolis on 23 June. On 12 August 2021, he signed with
Taranto in the Italian third-tier
Serie C. On 6 February 2022, Bellocq returned to Argentina and signed with
Atlético de Rafaela. In the second half of 2024, Bellocq moved to Chile and signed with
Rangers in the
Primera B. ==Career statistics==