Mark Xu
Mark Xu, Partner at Index Ventures, has 4.1K LinkedIn followers and posted 4 times in the last 90 days, mostly company announcements. That is about 0.3 posts a week; the most recent went up on Oct 8, 2026. Most of those were text-only posts (75%), with images at 25%. Everything in that window was an original post, no reshares. Against the Imagine AI research baseline of 20,000+ LinkedIn posts, Mark Xu's typical post lands in the baseline's p50 to p75 band and top half in Venture Capital. Index Ventures has 23 other people in the benchmark, including Joanna Lord, Shardul Shah and Bastian Hasslinger.
What format they post
Also posting at Index Ventures
Post counts are the public LinkedIn posts Imagine AI collects for this person, taken over the 90 days to Oct 8, 2026; reshares are left out of the post count and the format mix. Follower counts come from the last profile check. The band compares a typical post, the geometric mean of reactions on posts that have had two weeks to settle, with the Imagine AI research baseline of 20,000+ posts from B2B startups. How the benchmark is built.
How to move up
- At Mark Xu's typical post, 2 more original posts a week, every week, would move Mark Xu from #926 to about #199.
- Posting every week at today's cadence alone would put Mark Xu at about #436.
