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 |
|---|---|---|---|---|---|
| Royal Bank of Canada | 190 | $0 | 0.00% | −887−82.4% | Reduced |
| SRS Capital Advisors, Inc. | 61 | $116 | 0.00% | −4−6.2% | Reduced |
| Signaturefd, LLC | 75 | $134 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 100 | $160 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 300 | $537 | 0.00% | +250+500.0% | Added |
| CWM, LLC | 455 | $814 | 0.00% | −115−20.2% | Reduced |
| FNY Investment Advisers, LLC | 1,000 | $1.00K | 0.00% | −58,052−98.3% | Reduced |
| Basecamp Wealth Advisors LLC | 586 | $1.05K | 0.00% | −134−18.6% | Reduced |
| JPMorgan Chase & Co | 756 | $1.23K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 950 | $1.70K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,121 | $7.38K | 0.00% | +3,250+373.1% | Added |
| Simplex Trading, LLC | 6,741 | $12.1K | 0.00% | −79,305−92.2% | Reduced |
| FMR LLC | 10,254 | $18.4K | 0.00% | −56−0.5% | Reduced |
| Caitong International Asset Management Co., Ltd | 10,992 | $19.7K | 0.00% | +10,992 | New |
| Bank of New York Mellon Corp | 11,192 | $20.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 11,828 | $21.2K | 0.00% | −321−2.6% | Reduced |
| Prelude Capital Management, LLC | 12,107 | $21.7K | 0.00% | +12,107 | New |
| LMR Partners LLP | 12,484 | $22.3K | 0.00% | +12,484 | New |
| Callan Family Office, LLC | 13,394 | $24.0K | 0.00% | 00.0% | Unchanged |
| CTC Alternative Strategies, Ltd. | 13,453 | $24.1K | 0.05% | +13,453 | New |
| R Squared Ltd | 13,696 | $24.5K | 0.01% | +13,696 | New |
| SummitTX Capital, L.P. | 14,600 | $26.1K | 0.00% | +14,600 | New |
| Letko, Brosseau & Associates Inc | 15,900 | $28.5K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 18,540 | $33.2K | 0.00% | +18,540 | New |
| Tower Research Capital LLC (TRC) | 20,439 | $36.6K | 0.00% | +20,424+136,160.0% | Added |
| Virtus Family Office LLC | 27,500 | $49.2K | 0.04% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 32,845 | $58.8K | 0.00% | +32,845 | New |
| Vanguard Global Advisers, LLC | 34,074 | $61.0K | 0.00% | +34,074 | New |
| Jefferies Financial Group Inc. | 46,398 | $83.1K | 0.00% | −15,637−25.2% | Reduced |
| Catalyst Funds Management Pty Ltd | 47,800 | $85.6K | 0.01% | +47,800 | New |
| Diametric Capital, LP | 47,827 | $85.6K | 0.02% | +47,827 | New |
| Citigroup Inc | 49,384 | $88.4K | 0.00% | −12,343−20.0% | Reduced |
| Jain Global LLC | 51,305 | $91.8K | 0.00% | +51,305 | New |
| Hudson Bay Capital Management LP | 62,084 | $111.1K | 0.00% | +17,028+37.8% | Added |
| Brevan Howard Capital Management LP | 64,153 | $114.8K | 0.00% | +64,153 | New |
| Point72 Asset Management, L.P. | 65,578 | $117.4K | 0.00% | +48,491+283.8% | Added |
| Omers Administration Corp | 67,900 | $121.5K | 0.00% | −56,500−45.4% | Reduced |
| EntryPoint Capital, LLC | 82,862 | $148.3K | 0.04% | +54,045+187.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 97,378 | $174.3K | 0.00% | −11,066−10.2% | Reduced |
| Voleon Capital Management LP | 102,698 | $183.8K | 0.00% | +102,698 | New |
| HRT Financial LP | 118,981 | $212.0K | 0.00% | +118,981 | New |
| Virtus Investment Advisers, Inc. | 123,388 | $220.9K | 0.06% | +3,012+2.5% | Added |
| Barclays PLC | 146,284 | $261.8K | 0.00% | −23,717−14.0% | Reduced |
| Gsa Capital Partners LLP | 203,226 | $364.0K | 0.02% | +14,182+7.5% | Added |
| Susquehanna International Group, LLP | 204,488 | $366.0K | 0.00% | −194,392−48.7% | Reduced |
| Squarepoint Ops LLC | 211,107 | $377.9K | 0.00% | −140,314−39.9% | Reduced |
| Northern Trust Corp | 241,580 | $432.4K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 254,353 | $455.3K | 0.00% | +125,500+97.4% | Added |
| Jane Street Group, LLC | 264,285 | $473.1K | 0.00% | −229,564−46.5% | Reduced |
| Amundi | 291,708 | $522.2K | 0.00% | +19,466+7.2% | Added |
| UBS Group AG | 334,546 | $598.8K | 0.00% | −81,993−19.7% | Reduced |
| Two Sigma Investments, LP | 346,382 | $620.0K | 0.00% | −119,127−25.6% | Reduced |
| Goldman Sachs Group Inc | 421,902 | $755.2K | 0.00% | −259,259−38.1% | Reduced |
| MYDA Advisors LLC | 428,775 | $767.5K | 0.18% | −11,225−2.6% | Reduced |
| Woodline Partners LP | 500,000 | $895.0K | 0.00% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 538,371 | $963.7K | 0.00% | +538,371 | New |
| State Street Corp | 556,845 | $996.8K | 0.00% | +76,500+15.9% | Added |
| Charles Schwab Investment Management Inc | 627,771 | $1.12M | 0.00% | +4,661+0.7% | Added |
| Bank of America Corp | 753,412 | $1.35M | 0.00% | +47,268+6.7% | Added |
| Brown University | 1,000,000 | $1.79M | 1.76% | 00.0% | Unchanged |
| Marshall Wace, LLP | 1,011,744 | $1.81M | 0.00% | +399,259+65.2% | Added |
| Vanguard Capital Management LLC | 1,146,937 | $2.05M | 0.00% | +1,146,937 | New |
| Geode Capital Management, LLC | 1,230,409 | $2.20M | 0.00% | +32,879+2.7% | Added |
| Renaissance Technologies LLC | 1,250,794 | $2.24M | 0.00% | +355,089+39.6% | Added |
| BlackRock, Inc. | 1,387,116 | $2.48M | 0.00% | −17,051−1.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,611,693 | $2.88M | 0.10% | +107,807+7.2% | Added |
| Artia Global Partners LP | 1,806,939 | $3.23M | 0.73% | −31,472−1.7% | Reduced |
| Bleichroeder LP | 2,000,000 | $3.58M | 0.62% | 00.0% | Unchanged |
| Millennium Management LLC | 2,271,577 | $4.07M | 0.00% | +437,041+23.8% | Added |
| Morgan Stanley | 8,955,967 | $16.0M | 0.00% | +138,966+1.6% | Added |
| Suvretta Capital Management, LLC | 12,341,266 | $22.1M | 0.60% | 00.0% | Unchanged |
| 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 |