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ProKidney
PROK

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

PROK Hedge Fund Activity: Q1 2026 in Review

71 of the 8,132 institutional investors tracked by Wall St. Rank reported a position in ProKidney (PROK) for Q1 2026, worth a combined $78.1M — down 19% from $96.2M a quarter earlier.

Buyers outnumbered sellers: 17 funds opened new PROK positions and 8 closed out — a net gain of 9 holders — while 19 added to existing stakes and 22 trimmed.

The largest buyer was Millennium Management, adding an estimated $927K. The largest seller was Citadel Advisors, exiting entirely with an estimated $789K sold.

  • 71 institutional investors held ProKidney (PROK) as of Q1 2026, up from 63 in Q4 2025.
  • Funds reported $78.1M of ProKidney stock for Q1 2026, down 19% quarter-over-quarter.
  • 17 funds opened new ProKidney positions in Q1 2026 and 8 closed out, a net change of +9 holders.
  • The largest ProKidney buyer in Q1 2026 was Millennium Management, an estimated $927K added.
  • The largest ProKidney seller in Q1 2026 was Citadel Advisors, an estimated $789K sold.

Based on aggregated 13F filings for Q1 2026.