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Repligen
RGEN

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

RGEN Hedge Fund Activity: Q1 2026 in Review

441 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Repligen (RGEN) for Q1 2026, worth a combined $7.76B — down 24% from $10.2B a quarter earlier.

Sellers outnumbered buyers: 91 funds closed out of RGEN and 67 opened new positions — a net loss of 24 holders — while 131 trimmed existing stakes and 165 added.

The largest buyer was Maverick Capital, opening a new position worth an estimated $212M. The largest seller was Millennium Management, cutting an estimated $87.7M.

  • 441 institutional investors held Repligen (RGEN) as of Q1 2026, down from 473 in Q4 2025.
  • Funds reported $7.76B of Repligen stock for Q1 2026, down 24% quarter-over-quarter.
  • 67 funds opened new Repligen positions in Q1 2026 and 91 closed out, a net change of -24 holders.
  • The largest Repligen buyer in Q1 2026 was Maverick Capital, an estimated $212M added.
  • The largest Repligen seller in Q1 2026 was Millennium Management, an estimated $87.7M sold.

Based on aggregated 13F filings for Q1 2026.