ProKidney Corp.
PROK • NASDAQ
ProKidney Corp. is a biotechnology company in the healthcare sector on NASDAQ, led by Bruce Culleton, MD, with a market cap of $312.8M. As of Q3 2025, 26% of shares are held by 56 institutional investors, with SUVRETTA CAPITAL MANAGEMENT, LLC as the largest holder at 9.14%.
Chief Executive OfficerBruce Culleton, MD
Market Cap$312.8M
Biotechnology
Healthcare
Employees163.0
Websiteprokidney.com
Country
United States of America
Overview
Overview of institutional ownership in PROK as of Q3 2025 with a market cap of $326.7M
All Institutions
- Institutions
- 56
- Value Held
- $83.4M
- Shares Held
- 34.5M
- Avg Position
- $1.5M
- Median Position
- $192.4K
Hedge Funds
- Hedge Funds
- 11
- Value Held
- $43.4M
- Shares Held
- 18.0M
- Avg Position
- $3.9M
- Median Position
- $833.9K
Ownership Breakdown
Based on market cap of $326.7M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in PROK as of Q3 2025
| Institution | Position Value |
|---|---|
 SUVRETTA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | $29.9M 0.91% of portfolio |
 MORGAN STANLEY RIA/Wealth | $16.3M 0.00% of portfolio |
 Bleichroeder LP Hedge Fund•Value | $4.8M 0.95% of portfolio |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $4.7M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $3.8M 0.00% of portfolio |
B BlackRock, Inc. Institution | $3.1M 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $2.7M 0.00% of portfolio |
B Brown University RIA/Wealth | $2.4M 1.43% of portfolio |
 Hennion & Walsh Asset Management, Inc. RIA/Wealth | $2.2M 0.08% of portfolio |
 BANK OF AMERICA CORP /DE/ Institution | $1.6M 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for PROK in Q3 2025
- Traded
- +$4.4M
- Buyers
- 34
- Sellers
- 33
- Total Bought
- +$11.8M
- Total Sold
- −$7.4M
- Avg Position
- $1.1M
Biggest Buyers
| Institution | Net Bought |
|---|---|
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$4.7M +2.0M shares |
MORGAN STANLEY RIA/Wealth | +$1.8M +759.5K shares |
M MYDA Advisors LLC Hedge Fund•Long/Short | +$1.1M +450.0K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$834.4K +344.8K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | +$833.9K +344.6K shares |
 Susquehanna Portfolio Strategies, LLC Private Equity | +$347.2K +143.5K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$323.5K +133.7K shares |
 STATE STREET CORP Institution | +$293.7K +121.4K shares |
 SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager | +$225.8K +93.3K shares |
 ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy | +$225.7K +93.3K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
J JANE STREET GROUP, LLC Institution | −$1.3M −522.7K shares |
B BlackRock, Inc. Institution | −$1.2M −487.4K shares |
 GOLDMAN SACHS GROUP INC Institution | −$1.0M −416.2K shares |
 Marshall Wace LLP Institution | −$928.3K −383.6K shares |
 GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | −$829.1K −342.6K shares |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | −$676.7K −279.6K shares |
BANK OF AMERICA CORP /DE/ Institution | −$448.4K −185.3K shares |
Y Y-Intercept Ltd Institution | −$208.2K −351.6K shares |
 NORTHERN TRUST CORP Institution | −$148.4K −61.3K shares |
 FMR LLC Institution | −$129.9K −53.7K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited PROK in Q3 2025
- New Positions
- 7
- New Value
- $510.3K
- Exited Positions
- 17
- Exited Value
- $677.9K
New Positions
| Institution | Position Value |
|---|---|
Susquehanna Portfolio Strategies, LLC Private Equity | $347.2K 143.5K shares |
 LEUCADIA NATIONAL CORP Institution | $158.0K 65.3K shares |
 Groupe la Francaise Fund of Funds | $3.2K 1.5K shares |
 Caitlin John, LLC RIA/Wealth | $847.0 350.0 shares |
 SRS Capital Advisors, Inc. RIA/Wealth | $600.0 248.0 shares |
A Advisory Services Network, LLC RIA/Wealth | $445.0 184.0 shares |
 Rockefeller Capital Management L.P. Long Only Manager | $29.0 12.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Y Y-Intercept Ltd Institution | $208.2K 351.6K shares |
 AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $117.4K 198.3K shares |
C Cubist Systematic Strategies, LLC Institution | $104.5K 176.5K shares |
 Jain Global LLC Hedge Fund•Multi-Strategy | $66.6K 112.4K shares |
P Point72 Asia Pte. Ltd. Institution | $39.2K 66.3K shares |
S SG Americas Securities, LLC Institution | $36.6K 61.9K shares |
C Catalyst Funds Management Pty Ltd Institution | $36.2K 61.1K shares |
 Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy | $17.7K 29.9K shares |
 IEQ CAPITAL, LLC RIA/Wealth | $13.6K 23.1K shares |
J Jump Financial, LLC Institution | $13.0K 21.9K shares |
Options Activity
Institutions with the largest Call and Put options positions in PROK as of Q3 2025
- Call Positions
- 2
- Call Value
- $221.4K
- Put Positions
- 4
- Put Value
- $793.5K
Call Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $161.2K 666.0 contracts |
J JANE STREET GROUP, LLC Institution | $60.3K 249.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $437.1K 1.8K contracts |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | $220.0K 909.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $109.6K 453.0 contracts |
J JANE STREET GROUP, LLC Institution | $26.9K 111.0 contracts |
Most Committed Institutions
Institutions with PROK as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
B Brown University RIA/Wealth | 1.43% $2.4M |
Bleichroeder LP Hedge Fund•Value | 0.95% $4.8M |
SUVRETTA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | 0.91% $29.9M |
M MYDA Advisors LLC Hedge Fund•Long/Short | 0.36% $1.1M |
Hennion & Walsh Asset Management, Inc. RIA/Wealth | 0.08% $2.2M |
 Virtus Family Office LLC Family Office | 0.06% $66.6K |
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | 0.04% $406.6K |
V Virtu Financial LLC Institution | 0.01% $203.3K |
 Zullo Investment Group, Inc. RIA/Wealth | 0.01% $28.1K |
Susquehanna Portfolio Strategies, LLC Private Equity | 0.01% $347.2K |
Hedge Fund Spotlight
Discover hedge funds investing in PROK
CITADEL ADVISORS LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerKenneth Cordele Griffin
- Portfolio Value
- $122.08B
- Positions
- 5,531
- Last Reported
- Q3 2025
Sector Allocation
Position in ProKidney Corp.
- Market Value
- $834.4K
- Shares Held
- 344.8K
- Portfolio Weight
- 0.00%
- Owned Since
- 2023-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
