Prokidney Corp. (PROK) Institutional Ownership

Ownership Summary

Prokidney Corp. (NASDAQ:PROK) has 1 institutional investors with active 13F positions as of December 2025.

• These investors held 0.7% of outstanding shares in December 2025, down from 0.7% in September 2025.
• Their total shares held in PROK maintained 0.0% from the prior quarter, while the number of investors in Prokidney decreased 98.67% year over year.
• Activity in PROK broke down as 0 buyers, 0 sellers, and 1 unchanged among 1 total holders.
• The aggregate institutional position in Prokidney amounted to 1.0Mn shares as of December 2025, with no net change quarter on quarter, and down 64.11Mn shares year over year.
• As of December 31, 2025, the biggest holder of Prokidney is SUVRETTA CAPITAL MANAGEMENT, LLC at 12.34Mn shares, representing 9.14% of shares outstanding.
• The biggest buyers of Prokidney for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (1.15Mn), VANGUARD FIDUCIARY TRUST CO (538.37K), MILLENNIUM MANAGEMENT LLC (437.04K), MARSHALL WACE, LLP (399.26K), RENAISSANCE TECHNOLOGIES LLC (355.09K).
• Top sellers of PROK stock for the quarter ending December 2025 included Goldman Sachs Group Inc (940.42K), JANE STREET GROUP, LLC (229.56K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (194.39K), Squarepoint Ops LLC (140.31K), TWO SIGMA INVESTMENTS, LP (119.13K).
• Prokidney's 10 largest shareholders as of December 2025 include SUVRETTA CAPITAL MANAGEMENT, LLC (12.34Mn), Morgan Stanley (8.96Mn), MILLENNIUM MANAGEMENT LLC (2.27Mn), Bleichroeder LP (2.0Mn), Artia Global Partners LP (1.81Mn), Hennion & Walsh Asset Management, Inc. (1.61Mn), BlackRock, Inc. (1.39Mn), RENAISSANCE TECHNOLOGIES LLC (1.25Mn), GEODE CAPITAL MANAGEMENT, LLC (1.23Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.15Mn) per Business Quant data.