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Zai Lab
ZLAB

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

ZLAB Hedge Fund Activity: Q1 2026 in Review

99 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Zai Lab (ZLAB) for Q1 2026, worth a combined $531M — up 4% from $511M a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of ZLAB and 17 opened new positions — a net loss of 25 holders — while 43 trimmed existing stakes and 26 added.

The largest buyer was RA Capital Management, opening a new position worth an estimated $106M. The largest seller was ClearBridge Investments, exiting entirely with an estimated $31.9M sold.

  • 99 institutional investors held Zai Lab (ZLAB) as of Q1 2026, down from 126 in Q4 2025.
  • Funds reported $531M of Zai Lab stock for Q1 2026, up 4% quarter-over-quarter.
  • 17 funds opened new Zai Lab positions in Q1 2026 and 42 closed out, a net change of -25 holders.
  • The largest Zai Lab buyer in Q1 2026 was RA Capital Management, an estimated $106M added.
  • The largest Zai Lab seller in Q1 2026 was ClearBridge Investments, an estimated $31.9M sold.

Based on aggregated 13F filings for Q1 2026.