Prokidney Corp.
PROK- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001850270
In the last 90 days, Prokidney Corp. insiders filed 0 open-market purchases and 1 sale; 71 institutions reported holding it in 13F filings for Q2 2026, worth $99.5M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Prokidney Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 71
- +9 vs. Q4 2025
- Shares held
- 43.7M
- +2.36M (+5.7%) vs. Q4 2025
- Total value
- $78.1M
- −$14.4M (−15.5%) vs. Q4 2025
- New holders
- 17
- 19 more added
- Sold out
- 8
- 22 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PROK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 71 | $99.5M |
| Q1 2026 | 71 | $78.1M |
| Q4 2025 | 63 | $96.2M |
| Q3 2025 | 56 | $83.4M |
| Q2 2025 | 56 | $20.9M |
| Q1 2025 | 69 | $42.0M |
| Q4 2024 | 74 | $86.1M |
| Q3 2024 | 71 | $94.3M |
| Q2 2024 | 65 | $98.8M |
| Q1 2024 | 55 | $44.1M |
| Q4 2023 | 61 | $52.3M |
| Q3 2023 | 67 | $185.4M |
| Q2 2023 | 56 | $445.6M |
| Q1 2023 | 35 | $391.2M |
| Q4 2022 | 27 | $215.6M |
| Q3 2022 | 18 | $144.4M |
| Q2 2022 | 67 | $191.2M |
| Q1 2022 | 80 | $232.0M |
| Q4 2021 | 90 | $227.0M |
| Q3 2021 | 84 | $226.1M |
| Q2 2021 | 71 | $229.4M |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Prokidney Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Suvretta Capital Management, LLC | 12,341,266 | $22.1M | 0.60% | 00.0% | Unchanged |
| Morgan Stanley | 8,955,967 | $16.0M | 0.00% | +138,966+1.6% | Added |
| Millennium Management LLC | 2,271,577 | $4.07M | 0.00% | +437,041+23.8% | Added |
| Bleichroeder LP | 2,000,000 | $3.58M | 0.62% | 00.0% | Unchanged |
| Artia Global Partners LP | 1,806,939 | $3.23M | 0.73% | −31,472−1.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,611,693 | $2.88M | 0.10% | +107,807+7.2% | Added |
| BlackRock, Inc. | 1,387,116 | $2.48M | 0.00% | −17,051−1.2% | Reduced |
| Renaissance Technologies LLC | 1,250,794 | $2.24M | 0.00% | +355,089+39.6% | Added |
| Geode Capital Management, LLC | 1,230,409 | $2.20M | 0.00% | +32,879+2.7% | Added |
| Vanguard Capital Management LLC | 1,146,937 | $2.05M | 0.00% | +1,146,937 | New |
| Marshall Wace, LLP | 1,011,744 | $1.81M | 0.00% | +399,259+65.2% | Added |
| Brown University | 1,000,000 | $1.79M | 1.76% | 00.0% | Unchanged |
| Bank of America Corp | 753,412 | $1.35M | 0.00% | +47,268+6.7% | Added |
| Charles Schwab Investment Management Inc | 627,771 | $1.12M | 0.00% | +4,661+0.7% | Added |
| State Street Corp | 556,845 | $996.8K | 0.00% | +76,500+15.9% | Added |
| Vanguard Fiduciary Trust Co | 538,371 | $963.7K | 0.00% | +538,371 | New |
| Woodline Partners LP | 500,000 | $895.0K | 0.00% | 00.0% | Unchanged |
| MYDA Advisors LLC | 428,775 | $767.5K | 0.18% | −11,225−2.6% | Reduced |
| Goldman Sachs Group Inc | 421,902 | $755.2K | 0.00% | −259,259−38.1% | Reduced |
| Two Sigma Investments, LP | 346,382 | $620.0K | 0.00% | −119,127−25.6% | Reduced |
| UBS Group AG | 334,546 | $598.8K | 0.00% | −81,993−19.7% | Reduced |
| Amundi | 291,708 | $522.2K | 0.00% | +19,466+7.2% | Added |
| Jane Street Group, LLC | 264,285 | $473.1K | 0.00% | −229,564−46.5% | Reduced |
| ExodusPoint Capital Management, LP | 254,353 | $455.3K | 0.00% | +125,500+97.4% | Added |
| Northern Trust Corp | 241,580 | $432.4K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 211,107 | $377.9K | 0.00% | −140,314−39.9% | Reduced |
| Susquehanna International Group, LLP | 204,488 | $366.0K | 0.00% | −194,392−48.7% | Reduced |
| Gsa Capital Partners LLP | 203,226 | $364.0K | 0.02% | +14,182+7.5% | Added |
| Barclays PLC | 146,284 | $261.8K | 0.00% | −23,717−14.0% | Reduced |
| Virtus Investment Advisers, Inc. | 123,388 | $220.9K | 0.06% | +3,012+2.5% | Added |
| HRT Financial LP | 118,981 | $212.0K | 0.00% | +118,981 | New |
| Voleon Capital Management LP | 102,698 | $183.8K | 0.00% | +102,698 | New |
| Susquehanna Portfolio Strategies, LLC | 97,378 | $174.3K | 0.00% | −11,066−10.2% | Reduced |
| EntryPoint Capital, LLC | 82,862 | $148.3K | 0.04% | +54,045+187.5% | Added |
| Omers Administration Corp | 67,900 | $121.5K | 0.00% | −56,500−45.4% | Reduced |
| Point72 Asset Management, L.P. | 65,578 | $117.4K | 0.00% | +48,491+283.8% | Added |
| Brevan Howard Capital Management LP | 64,153 | $114.8K | 0.00% | +64,153 | New |
| Hudson Bay Capital Management LP | 62,084 | $111.1K | 0.00% | +17,028+37.8% | Added |
| Jain Global LLC | 51,305 | $91.8K | 0.00% | +51,305 | New |
| Citigroup Inc | 49,384 | $88.4K | 0.00% | −12,343−20.0% | Reduced |
| Diametric Capital, LP | 47,827 | $85.6K | 0.02% | +47,827 | New |
| Catalyst Funds Management Pty Ltd | 47,800 | $85.6K | 0.01% | +47,800 | New |
| Jefferies Financial Group Inc. | 46,398 | $83.1K | 0.00% | −15,637−25.2% | Reduced |
| Vanguard Global Advisers, LLC | 34,074 | $61.0K | 0.00% | +34,074 | New |
| Schonfeld Strategic Advisors LLC | 32,845 | $58.8K | 0.00% | +32,845 | New |
| Virtus Family Office LLC | 27,500 | $49.2K | 0.04% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 20,439 | $36.6K | 0.00% | +20,424+136,160.0% | Added |
| Jump Financial, LLC | 18,540 | $33.2K | 0.00% | +18,540 | New |
| Letko, Brosseau & Associates Inc | 15,900 | $28.5K | 0.00% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 14,600 | $26.1K | 0.00% | +14,600 | New |
| R Squared Ltd | 13,696 | $24.5K | 0.01% | +13,696 | New |
| CTC Alternative Strategies, Ltd. | 13,453 | $24.1K | 0.05% | +13,453 | New |
| Callan Family Office, LLC | 13,394 | $24.0K | 0.00% | 00.0% | Unchanged |
| LMR Partners LLP | 12,484 | $22.3K | 0.00% | +12,484 | New |
| Prelude Capital Management, LLC | 12,107 | $21.7K | 0.00% | +12,107 | New |
| Victory Capital Management Inc | 11,828 | $21.2K | 0.00% | −321−2.6% | Reduced |
| Bank of New York Mellon Corp | 11,192 | $20.0K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 10,992 | $19.7K | 0.00% | +10,992 | New |
| FMR LLC | 10,254 | $18.4K | 0.00% | −56−0.5% | Reduced |
| Simplex Trading, LLC | 6,741 | $12.1K | 0.00% | −79,305−92.2% | Reduced |
| BNP Paribas Arbitrage, SA | 4,121 | $7.38K | 0.00% | +3,250+373.1% | Added |
| Advisor Group Holdings, Inc. | 950 | $1.70K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 756 | $1.23K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 586 | $1.05K | 0.00% | −134−18.6% | Reduced |
| FNY Investment Advisers, LLC | 1,000 | $1.00K | 0.00% | −58,052−98.3% | Reduced |
| CWM, LLC | 455 | $814 | 0.00% | −115−20.2% | Reduced |
| SBI Securities Co., Ltd. | 300 | $537 | 0.00% | +250+500.0% | Added |
| Jones Financial Companies LLLP | 100 | $160 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 75 | $134 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 61 | $116 | 0.00% | −4−6.2% | Reduced |
| Royal Bank of Canada | 190 | $0 | 0.00% | −887−82.4% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −371,797−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −48,060−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −28,021−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −12,288−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −10,900−100.0% | Sold out |
| Nine Masts Capital Ltd | 0 | $0 | 0.00% | −10,244−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |