EnglishBrian Cox is on Twitter (X) as @ProfBrianCox, with 2,996,115 followers and 32,820 posts. It lost 1,348 followers in the last 7 days, for a net gain of 256 over the last 30 days. A typical post draws 477 interactions, an engagement rate of 0.016% per follower.
Insights
Over the last 30 days @ProfBrianCox gained 256 followers. In the last 7 days the change was -1,348 followers. Its strongest tracked day added +10,990 followers on Jun 23, 2026. At the current pace, @ProfBrianCox is on track to reach 3.0M followers in about 62 weeks.
Engagement
A typical post picks up 477 interactions against 3.0M followers, an engagement rate of 0.016%. Posts are seen about 84K times each, and 0.568% of those impressions turn into an interaction. That is about 2.80% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.63 post a day over the last 30 days, though only 37% of days saw any activity at all.
Measured over 10 original posts from a 30-day window, last computed on October 25, 2026. Recurring tags: #cern, #lab26, #physics.
Full engagement reportFollower growth
Best tracked day: +11K followers on 2026-06-23.
Buy or sell Twitter (X) accounts - escrow-protected
PlayerSells is an escrow marketplace for Twitter (X) accounts. Every deal is protected, with no middleman risk.
Check @ProfBrianCox with free tools
The same checks work on any X (Twitter) account. Free, no sign-up and no email.
Creator Rank, our free Chrome extension, shows this account's audience rank and Creator Score next to its name on X itself.
Bio
Professor of Particle Physics at The University of Manchester
Notable followers
The biggest accounts in our directory following @ProfBrianCox.
More Education accounts
Brian Cox on Twitter (X) - frequently asked questions
- What is the Twitter handle for Brian Cox?
- Brian Cox posts on Twitter (X) as @ProfBrianCox. The profile is at x.com/ProfBrianCox, and the View on X button at the top of this page opens it.
- How many followers does Brian Cox have on Twitter?
- Brian Cox (@ProfBrianCox) has 2,996,115 followers on Twitter (X). It lost 1,348 followers in the last 7 days, for a net gain of 256 over the last 30 days. The count is refreshed continuously from public data.
- When did Brian Cox join Twitter?
- Brian Cox joined Twitter (X) in December 2008. The @ProfBrianCox account is 17 years old. Searches for Brian Cox age often mean a personal age, which we do not publish. The figure here is the account age only.