Prokidney Corp. (PROK) Institutional Ownership

Ownership Summary

A total of 59 institutions have reported a stake in Prokidney Corp. (NASDAQ:PROK) as of September 2025, according to recent 13F filings with the SEC.

• These investors collectively held 11.7% of the company's total shares outstanding in September 2025, down from 12.0% in June 2025.
• Quarterly data indicates a 2221.54% shift in institutional share volume, and the annual owner count reflects a decrease of 19.18%.
• Among the 59 institutional holders of Prokidney, 53 added to their stakes while 5 trimmed their positions and 1 held steady.
• The total number of shares held by institutions in Prokidney increased to 34.49Mn as of September 2025, a net change of up by 33.00Mn shares quarter on quarter, and down 15.02Mn shares year over year.
• With 12.34Mn shares, SUVRETTA CAPITAL MANAGEMENT, LLC commands the largest institutional position in Prokidney as of September 30, 2025, equating to 4.19% of the company.
• Among the most significant buyers of Prokidney during September 2025 were SUVRETTA CAPITAL MANAGEMENT, LLC (12.34Mn), MORGAN STANLEY (6.75Mn), Bleichroeder LP (2.00Mn), MILLENNIUM MANAGEMENT LLC (1.96Mn), VANGUARD GROUP INC (1.56Mn).
• Leading sellers of Prokidney stock in September 2025 included MARSHALL WACE, LLP (383.61K), CWM, LLC (17.02K), OSAIC HOLDINGS, INC. (1.77K), EverSource Wealth Advisors, LLC (979), SIGNATUREFD, LLC (75).
• The top 10 institutional holders of Prokidney for the quarter ending September 2025 included SUVRETTA CAPITAL MANAGEMENT, LLC (12.34Mn), MORGAN STANLEY (6.75Mn), Bleichroeder LP (2.00Mn), MILLENNIUM MANAGEMENT LLC (1.96Mn), VANGUARD GROUP INC (1.56Mn), BlackRock, Inc. (1.28Mn), GEODE CAPITAL MANAGEMENT, LLC (1.10Mn), Brown University (1.00Mn), Hennion & Walsh Asset Management, Inc. (919.90K), BANK OF AMERICA CORP /DE/ (660.86K).