Prokidney Corp. (PROK) Institutional Ownership

Ownership Summary

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

• Collectively, these holders controlled 0.7% of Prokidney's outstanding shares in December 2025, down from 0.7% in September 2025.
• They maintained total shares held in PROK by 0.0% quarter over quarter, and investors in Prokidney decreased 98.67% from a year ago.
• Among the 1 funds, 0 bought more Prokidney shares, 0 sold down, and 1 held their ground.
• Combined, these investors held 1.0Mn shares in PROK for December 2025, with no net change quarter on quarter, and down 64.11Mn shares year over year.
• As of December 31, 2025, SUVRETTA CAPITAL MANAGEMENT, LLC held the largest stake in Prokidney with 12.34Mn shares, accounting for 9.14% of total 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).
• The biggest sellers of Prokidney 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).
• According to Business Quant data, leading holders of PROK for December 2025 are 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).