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Mustang Bio
MBIO

Fund managers haven’t disclosed any holdings of MBIO yet.

MBIO Hedge Fund Activity: Q1 2026 in Review

22 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Mustang Bio (MBIO) for Q1 2026, worth a combined $370K — down 32% from $542K a quarter earlier.

Sellers outnumbered buyers: 6 funds closed out of MBIO and 4 opened new positions — a net loss of 2 holders — while 4 trimmed existing stakes and 5 added.

The largest buyer was Kestra Advisory Services, adding an estimated $61.2K. The largest seller was DRW Securities, exiting entirely with an estimated $72.5K sold.

  • 22 institutional investors held Mustang Bio (MBIO) as of Q1 2026, down from 25 in Q4 2025.
  • Funds reported $370K of Mustang Bio stock for Q1 2026, down 32% quarter-over-quarter.
  • 4 funds opened new Mustang Bio positions in Q1 2026 and 6 closed out, a net change of -2 holders.
  • The largest Mustang Bio buyer in Q1 2026 was Kestra Advisory Services, an estimated $61.2K added.
  • The largest Mustang Bio seller in Q1 2026 was DRW Securities, an estimated $72.5K sold.

Based on aggregated 13F filings for Q1 2026.