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 2022
Institutional positions in Prokidney Corp. as of Mar 31, 2022. 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
- 80
- −10 vs. Q4 2021
- Shares held
- 23.4M
- +521.8K (+2.3%) vs. Q4 2021
- Total value
- $232.0M
- +$5.01M (+2.2%) vs. Q4 2021
- New holders
- 14
- 22 more added
- Sold out
- 24
- 11 more reduced
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Prokidney Corp.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Millennium Management LLC | 1,811,961 | $17.9M | 0.02% | +439,308+32.0% | Added |
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.3M | 0.03% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.3M | 0.04% | 00.0% | Unchanged |
| Citadel Advisors LLC | 1,143,329 | $11.3M | 0.01% | +1,023,148+851.3% | Added |
| Arena Capital Advisors, LLC- CA | 1,137,169 | $11.3M | 1.71% | +737,169+184.3% | Added |
| Sculptor Capital LP | 1,108,352 | $11.0M | 0.09% | −191,134−14.7% | Reduced |
| Kepos Capital LP | 1,105,305 | $10.9M | 0.82% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 623,545 | $6.16M | 0.01% | +186,539+42.7% | Added |
| Governors Lane LP | 600,000 | $5.94M | 0.46% | 00.0% | Unchanged |
| Magnetar Financial LLC | 541,123 | $5.35M | 0.06% | −14,386−2.6% | Reduced |
| Empyrean Capital Partners, LP | 500,000 | $4.95M | 0.11% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 500,000 | $4.95M | 0.29% | +500,000 | New |
| Taconic Capital Advisors LP | 500,003 | $4.94M | 0.17% | +30.0% | Added |
| Wealthspring Capital LLC | 465,195 | $4.61M | 0.90% | +356,707+328.8% | Added |
| Weiss Asset Management LP | 451,608 | $4.46M | 0.10% | +422,152+1,433.2% | Added |
| HSBC Holdings PLC | 445,142 | $4.40M | 0.01% | +445,142 | New |
| Manufacturers Life Insurance Company, The | 425,216 | $4.20M | 0.00% | +100.0% | Added |
| Bank of America Corp | 423,300 | $4.19M | 0.00% | −637−0.2% | Reduced |
| Alyeska Investment Group, L.P. | 420,837 | $4.17M | 0.05% | −39,463−8.6% | Reduced |
| JPMorgan Chase & Co | 410,356 | $4.06M | 0.00% | +410,356 | New |
| HBK Investments L P | 400,000 | $3.96M | 0.08% | 00.0% | Unchanged |
| TIG Advisors, LLC | 399,124 | $3.95M | 0.16% | +399,124 | New |
| Periscope Capital Inc. | 359,781 | $3.56M | 0.09% | 00.0% | Unchanged |
| Maso Capital Partners Ltd | 300,000 | $2.97M | 1.21% | +300,000 | New |
| Calamos Advisors LLC | 300,000 | $2.96M | 0.01% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 295,100 | $2.92M | 0.27% | +257,847+692.2% | Added |
| Whitebox Advisors LLC | 250,000 | $2.48M | 0.06% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.47M | 0.08% | 00.0% | Unchanged |
| Iron Park Capital Partners, LP | 234,800 | $2.33M | 1.96% | +234,800 | New |
| MYDA Advisors LLC | 232,000 | $2.30M | 0.95% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 225,000 | $2.22M | 0.24% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 215,476 | $2.13M | 0.04% | −34,737−13.9% | Reduced |
| Sage Mountain Advisors LLC | 201,113 | $1.99M | 0.31% | +127,141+171.9% | Added |
| Avidity Partners Management LP | 200,000 | $1.98M | 0.04% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 200,000 | $1.98M | 0.03% | 00.0% | Unchanged |
| CNH Partners LLC | 191,100 | $1.89M | 0.05% | 00.0% | Unchanged |
| Marshall Wace, LLP | 188,941 | $1.86M | 0.00% | +135,913+256.3% | Added |
| Bulldog Investors, LLP | 180,608 | $1.79M | 0.46% | −8,408−4.4% | Reduced |
| Vestcor Inc | 175,000 | $1.73M | 0.06% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 170,000 | $1.68M | 0.02% | 00.0% | Unchanged |
| Whitefort Capital Management, LP | 160,615 | $1.59M | 1.50% | 00.0% | Unchanged |
| HRT Financial LP | 151,289 | $1.49M | 0.01% | +76,478+102.2% | Added |
| Jane Street Group, LLC | 150,465 | $1.49M | 0.00% | +263+0.2% | Added |
| Context Capital Management, LLC | 149,400 | $1.48M | 0.10% | +50,000+50.3% | Added |
| Fir Tree Capital Management LP | 144,959 | $1.43M | 0.04% | +124,988+625.8% | Added |
| P Schoenfeld Asset Management LP | 144,534 | $1.43M | 0.08% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 125,000 | $1.24M | 0.04% | 00.0% | Unchanged |
| BlueCrest Capital Management Ltd | 125,000 | $1.24M | 0.10% | +5,619+4.7% | Added |
| Crescent Park Management, L.P. | 120,028 | $1.19M | 0.19% | +10,427+9.5% | Added |
| Angelo Gordon & Co., L.P. | 100,000 | $990.0K | 0.12% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 100,000 | $990.0K | 0.04% | 00.0% | Unchanged |
| Seven Grand Managers, LLC | 100,000 | $990.0K | 0.86% | +100,000 | New |
| Luxor Capital Group, LP | 100,000 | $988.0K | 0.06% | −134,952−57.4% | Reduced |
| DuPont Capital Management Corp | 100,000 | $988.0K | 0.04% | 00.0% | Unchanged |
| Aequim Alternative Investments LP | 100,000 | $988.0K | 0.03% | +218+0.2% | Added |
| Vivaldi Asset Management, LLC | 97,400 | $964.0K | 0.10% | +97,400 | New |
| Caas Capital Management LP | 95,602 | $946.0K | 0.17% | 00.0% | Unchanged |
| Walleye Capital LLC | 86,400 | $855.0K | 0.02% | 00.0% | Unchanged |
| CSS LLC | 83,779 | $830.0K | 0.03% | +83,779 | New |
| Tenor Capital Management Co., L.P. | 75,000 | $743.0K | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 60,840 | $602.0K | 0.02% | +38,008+166.5% | Added |
| Shaolin Capital Management LLC | 50,000 | $495.0K | 0.01% | 00.0% | Unchanged |
| Sandia Investment Management LP | 50,000 | $495.0K | 0.07% | 00.0% | Unchanged |
| Walleye Trading LLC | 48,600 | $481.0K | 0.01% | 00.0% | Unchanged |
| Berkley W R Corp | 48,399 | $479.0K | 0.02% | −1,601−3.2% | Reduced |
| Citigroup Inc | 47,100 | $465.0K | 0.00% | −100−0.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 42,852 | $424.0K | 0.00% | +42,852 | New |
| Bank of Nova Scotia | 40,000 | $396.0K | 0.00% | 00.0% | Unchanged |
| Cowen and Company, LLC | 38,248 | $378.0K | 0.04% | −283,752−88.1% | Reduced |
| Rpo LLC | 34,138 | $338.0K | 0.12% | +34,138 | New |
| Verition Fund Management LLC | 21,400 | $211.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 21,184 | $210.0K | 0.00% | −30,000−58.6% | Reduced |
| Royal Bank of Canada | 20,800 | $206.0K | 0.00% | +800+4.0% | Added |
| Condor Capital Management | 11,240 | $111.0K | 0.01% | +5,440+93.8% | Added |
| Captrust Financial Advisors | 9,969 | $99.0K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 7,094 | $88.0K | 0.02% | +4,564+180.4% | Added |
| Penserra Capital Management LLC | 2,614 | $25.0K | 0.00% | +2,614 | New |
| Ancora Advisors, LLC | 2,333 | $23.0K | 0.00% | 00.0% | Unchanged |
| Trustcore Financial Services, LLC | 1,015 | $10.0K | 0.00% | +1,015 | New |
| Westchester Capital Management, LLC | 27 | $0 | 0.00% | +27 | New |
| Park West Asset Management LLC | 0 | $0 | 0.00% | −1,100,000−100.0% | Sold out |
| Finepoint Capital LP | 0 | $0 | 0.00% | −980,000−100.0% | Sold out |
| RP Investment Advisors LP | 0 | $0 | 0.00% | −538,848−100.0% | Sold out |
| LH Capital Markets, LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Glazer Capital, LLC | 0 | $0 | 0.00% | −279,519−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −266,956−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −257,885−100.0% | Sold out |
| Hound Partners, LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Fifth Lane Capital, LP | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Exos Asset Management LLC | 0 | $0 | 0.00% | −127,594−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −123,862−100.0% | Sold out |
| K2 Principal Fund, L.P. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Beryl Capital Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −61,432−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −41,328−100.0% | Sold out |
| Spring Creek Capital LLC | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Waratah Capital Advisors Ltd. | 0 | $0 | 0.00% | −25,555−100.0% | Sold out |