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, Q2 2021
Institutional positions in Prokidney Corp. as of Jun 30, 2021. 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
- +71 vs. Q1 2021
- Shares held
- 22.7M
- +22.7M vs. Q1 2021
- Total value
- $229.4M
- +$229.4M vs. Q1 2021
- New holders
- 71
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Prokidney Corp.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.7M | 0.03% | +1,750,000 | New |
| Millennium Management LLC | 1,571,169 | $15.9M | 0.02% | +1,571,169 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.7M | 0.03% | +1,250,000 | New |
| Kepos Capital LP | 1,101,753 | $11.1M | 0.83% | +1,101,753 | New |
| Park West Asset Management LLC | 1,100,000 | $11.1M | 0.32% | +1,100,000 | New |
| Finepoint Capital LP | 856,598 | $8.66M | 1.62% | +856,598 | New |
| Citadel Advisors LLC | 825,761 | $8.37M | 0.01% | +825,761 | New |
| Athanor Capital, LP | 750,000 | $7.60M | 0.44% | +750,000 | New |
| Sculptor Capital LP | 750,000 | $7.58M | 0.07% | +750,000 | New |
| BlueCrest Capital Management Ltd | 750,000 | $7.58M | 0.24% | +750,000 | New |
| Magnetar Financial LLC | 600,000 | $6.08M | 0.06% | +600,000 | New |
| Luxor Capital Group, LP | 500,000 | $5.07M | 0.13% | +500,000 | New |
| Empyrean Capital Partners, LP | 500,000 | $5.05M | 0.12% | +500,000 | New |
| J. Goldman & Co LP | 500,000 | $5.05M | 0.32% | +500,000 | New |
| Alyeska Investment Group, L.P. | 500,000 | $5.05M | 0.06% | +500,000 | New |
| Maven Securities LTD | 500,000 | $5.05M | 0.53% | +500,000 | New |
| Governors Lane LP | 500,000 | $5.05M | 0.38% | +500,000 | New |
| Weiss Asset Management LP | 425,000 | $4.30M | 0.12% | +425,000 | New |
| Taconic Capital Advisors LP | 424,900 | $4.30M | 0.14% | +424,900 | New |
| Manufacturers Life Insurance Company, The | 425,000 | $4.30M | 0.00% | +425,000 | New |
| Glazer Capital, LLC | 425,000 | $4.30M | 0.07% | +425,000 | New |
| HBK Investments L P | 400,000 | $4.04M | 0.04% | +400,000 | New |
| Schonfeld Strategic Advisors LLC | 400,000 | $4.04M | 0.05% | +400,000 | New |
| Arena Capital Advisors, LLC- CA | 400,000 | $4.04M | 0.34% | +400,000 | New |
| Squarepoint Ops LLC | 350,000 | $3.54M | 0.03% | +350,000 | New |
| Moore Capital Management, LP | 250,000 | $2.53M | 0.05% | +250,000 | New |
| Whitebox Advisors LLC | 250,000 | $2.53M | 0.06% | +250,000 | New |
| Silverarc Capital Management, LLC | 250,000 | $2.53M | 1.33% | +250,000 | New |
| Periscope Capital Inc. | 250,000 | $2.53M | 0.08% | +250,000 | New |
| Ghisallo Capital Management LLC | 238,502 | $2.42M | 0.09% | +238,502 | New |
| MYDA Advisors LLC | 232,723 | $2.35M | 0.65% | +232,723 | New |
| CNH Partners LLC | 200,000 | $2.03M | 0.06% | +200,000 | New |
| Calamos Advisors LLC | 200,000 | $2.02M | 0.01% | +200,000 | New |
| Davidson Kempner Capital Management LP | 200,000 | $2.02M | 0.02% | +200,000 | New |
| Avidity Partners Management LP | 200,000 | $2.02M | 0.05% | +200,000 | New |
| Putnam Investments LLC | 200,000 | $2.00M | 0.00% | +200,000 | New |
| Vestcor Inc | 175,000 | $1.77M | 0.06% | +175,000 | New |
| Polar Asset Management Partners Inc. | 170,000 | $1.72M | 0.02% | +170,000 | New |
| Aristeia Capital LLC | 150,000 | $1.52M | 0.03% | +150,000 | New |
| Hound Partners, LLC | 150,000 | $1.52M | 0.08% | +150,000 | New |
| K2 Principal Fund, L.P. | 150,000 | $1.52M | 0.17% | +150,000 | New |
| Jane Street Group, LLC | 150,000 | $1.52M | 0.00% | +150,000 | New |
| Radcliffe Capital Management, L.P. | 125,000 | $1.26M | 0.05% | +125,000 | New |
| D. E. Shaw & Co., Inc. | 100,000 | $1.01M | 0.00% | +100,000 | New |
| Angelo Gordon & Co., L.P. | 100,000 | $1.01M | 0.12% | +100,000 | New |
| DuPont Capital Management Corp | 100,000 | $1.01M | 0.02% | +100,000 | New |
| Context Capital Management, LLC | 100,000 | $1.01M | 0.09% | +100,000 | New |
| Crescent Park Management, L.P. | 100,000 | $1.01M | 0.15% | +100,000 | New |
| Caas Capital Management LP | 100,000 | $1.01M | 0.05% | +100,000 | New |
| Picton Mahoney Asset Management | 100,000 | $1.01M | 0.04% | +100,000 | New |
| JPMorgan Chase & Co | 94,700 | $959.0K | 0.00% | +94,700 | New |
| CSS LLC | 75,000 | $758.0K | 0.04% | +75,000 | New |
| Tenor Capital Management Co., L.P. | 75,000 | $758.0K | 0.02% | +75,000 | New |
| Marshall Wace, LLP | 50,000 | $507.0K | 0.00% | +50,000 | New |
| KCL Capital, L.P. | 50,000 | $507.0K | 0.07% | +50,000 | New |
| UBS Oconnor LLC | 50,000 | $506.0K | 0.00% | +50,000 | New |
| ExodusPoint Capital Management, LP | 50,000 | $506.0K | 0.01% | +50,000 | New |
| Shaolin Capital Management LLC | 50,000 | $506.0K | 0.02% | +50,000 | New |
| Wolfswood Holdings, LLC | 50,000 | $506.0K | 1.24% | +50,000 | New |
| Waratah Capital Advisors Ltd. | 50,000 | $505.0K | 0.03% | +50,000 | New |
| Walleye Capital LLC | 48,000 | $485.0K | 0.02% | +48,000 | New |
| HRT Financial LP | 47,513 | $481.0K | 0.00% | +47,513 | New |
| Fir Tree Capital Management LP | 35,000 | $355.0K | 0.01% | +35,000 | New |
| Spring Creek Capital LLC | 35,000 | $354.0K | 0.02% | +35,000 | New |
| Wolverine Asset Management LLC | 35,000 | $353.0K | 0.00% | +35,000 | New |
| Walleye Trading LLC | 27,000 | $273.0K | 0.01% | +27,000 | New |
| Royal Bank of Canada | 20,000 | $202.0K | 0.00% | +20,000 | New |
| Boothbay Fund Management, LLC | 17,850 | $180.0K | 0.01% | +17,850 | New |
| Lombard Odier Asset Management (USA) Corp | 15,200 | $154.0K | 0.03% | +15,200 | New |
| Panagora Asset Management Inc | 8,572 | $87.0K | 0.00% | +8,572 | New |
| Bank of America Corp | 400 | $4.00K | 0.00% | +400 | New |