EnglishBill Ackman is on Twitter (X) as @BillAckman, with 3,039,157 followers and 19,444 posts. It gained 5,571 followers in the last 7 days and 39,444 in the last 30 days. A typical post draws 1.9K interactions, an engagement rate of 0.062% per follower.
Insights
Over the last 30 days @BillAckman gained 39,444 followers (+1.30%). In the last 7 days the change was +5,571 followers. Its strongest tracked day added +110,203 followers on Jun 23, 2026. At the current pace, @BillAckman is on track to reach 3.5M followers in about 51 weeks.
Engagement
A typical post picks up 1.9K interactions against 3.0M followers, an engagement rate of 0.062%. Measured over 54 original posts, its engagement rate beats 62% of 21,624 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 191K times each, and 0.991% of those impressions turn into an interaction. That is about 6.29% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 54 original posts from a 30-day window, last computed on October 29, 2026. Recurring tags: #17octobre, #paris, #17oktober.
Full engagement reportFollower growth
Best tracked day: +110K followers on 2026-06-23.
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Bio
CEO Pershing Square, Co-trustee @PershingSqFdn
Notable followers
The biggest accounts in our directory following @BillAckman.
Bill Ackman on Twitter (X) - frequently asked questions
- What is the Twitter handle for Bill Ackman?
- Bill Ackman posts on Twitter (X) as @BillAckman. The profile is at x.com/BillAckman, and the View on X button at the top of this page opens it.
- How many followers does Bill Ackman have on Twitter?
- Bill Ackman (@BillAckman) has 3,039,157 followers on Twitter (X). It gained 5,571 followers in the last 7 days and 39,444 in the last 30 days. The count is refreshed continuously from public data.
- When did Bill Ackman join Twitter?
- Bill Ackman joined Twitter (X) in June 2017. The @BillAckman account is 9 years old. Searches for Bill Ackman age often mean a personal age, which we do not publish. The figure here is the account age only.