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WB Hedge Fund Activity: Q1 2026 in Review

142 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Weibo (WB) for Q1 2026, worth a combined $397M — down 19% from $489M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new WB positions and 17 closed out — a net gain of 5 holders — while 41 added to existing stakes and 59 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $7.21M. The largest seller was UBS Group, cutting an estimated $8.67M.

  • 142 institutional investors held Weibo (WB) as of Q1 2026, up from 141 in Q4 2025.
  • Funds reported $397M of Weibo stock for Q1 2026, down 19% quarter-over-quarter.
  • 22 funds opened new Weibo positions in Q1 2026 and 17 closed out, a net change of +5 holders.
  • The largest Weibo buyer in Q1 2026 was Wellington Management Group, an estimated $7.21M added.
  • The largest Weibo seller in Q1 2026 was UBS Group, an estimated $8.67M sold.

Based on aggregated 13F filings for Q1 2026.