ProKidney Corp.
Ownership
Ownership Structure
Who owns ProKidney Corp. (PROK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 88.3% of the shares are freely tradable; institutional investors hold 27.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Suvretta Capital Management, LLC | 5.91 | 12,341,266 | +0.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 4.72 | 9,854,178 | +10.0 | 06/30/2026 |
| BlackRock Inc | 2.49 | 5,197,227 | +274.7 | 06/30/2026 |
| Geode Capital Management, LLC | 1.14 | 2,390,147 | +94.3 | 06/30/2026 |
| Bleichroeder LP | 0.96 | 2,000,000 | +0.0 | 06/30/2026 |
| Hennion & Walsh Asset Management Inc | 0.88 | 1,847,749 | +14.6 | 06/30/2026 |
| Artia Global Partners LP | 0.86 | 1,806,939 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 0.56 | 1,175,257 | +2.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| NUMC B0-B | 1.64 | 3,432,500 | +0.0 | 09/30/2026 |
| iShares Russell 2000 ETF | 1.24 | 2,595,782 | +0.0 | 10/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Weber Darin J. | Chief Regulatory Officer | 200,000 | 240,000 $ | Oct 28, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 28, 2026 | Weber Darin J. | Chief Regulatory Officer | Other | 200,000 | 0.00 | – |
| Aug 20, 2026 | Pereira Brian JG | Director | Sell | 27,052 | 1.42 | 38,411 |
| Aug 20, 2026 | Pereira Brian JG | Director | Sell | 222,948 | 1.42 | 316,564 |
| Aug 19, 2026 | Pereira Brian JG | Director | Sell | 27,051 | 1.44 | 38,972 |
| Aug 19, 2026 | Pereira Brian JG | Director | Sell | 222,949 | 1.44 | 321,203 |
| Aug 18, 2026 | Pereira Brian JG | Director | Sell | 27,826 | 1.37 | 38,155 |
| Aug 18, 2026 | Pereira Brian JG | Director | Sell | 229,338 | 1.37 | 314,468 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.