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 |
|---|---|---|---|---|---|
| Westchester Capital Management, LLC | 27 | $0 | 0.00% | +27 | New |
| Trustcore Financial Services, LLC | 1,015 | $10.0K | 0.00% | +1,015 | New |
| Ancora Advisors, LLC | 2,333 | $23.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 2,614 | $25.0K | 0.00% | +2,614 | New |
| PenderFund Capital Management Ltd. | 7,094 | $88.0K | 0.02% | +4,564+180.4% | Added |
| Captrust Financial Advisors | 9,969 | $99.0K | 0.00% | 00.0% | Unchanged |
| Condor Capital Management | 11,240 | $111.0K | 0.01% | +5,440+93.8% | Added |
| Royal Bank of Canada | 20,800 | $206.0K | 0.00% | +800+4.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 21,184 | $210.0K | 0.00% | −30,000−58.6% | Reduced |
| Verition Fund Management LLC | 21,400 | $211.0K | 0.00% | 00.0% | Unchanged |
| Rpo LLC | 34,138 | $338.0K | 0.12% | +34,138 | New |
| Cowen and Company, LLC | 38,248 | $378.0K | 0.04% | −283,752−88.1% | Reduced |
| Bank of Nova Scotia | 40,000 | $396.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 42,852 | $424.0K | 0.00% | +42,852 | New |
| Citigroup Inc | 47,100 | $465.0K | 0.00% | −100−0.2% | Reduced |
| Berkley W R Corp | 48,399 | $479.0K | 0.02% | −1,601−3.2% | Reduced |
| Walleye Trading LLC | 48,600 | $481.0K | 0.01% | 00.0% | Unchanged |
| 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 |
| Boothbay Fund Management, LLC | 60,840 | $602.0K | 0.02% | +38,008+166.5% | Added |
| Tenor Capital Management Co., L.P. | 75,000 | $743.0K | 0.01% | 00.0% | Unchanged |
| CSS LLC | 83,779 | $830.0K | 0.03% | +83,779 | New |
| Walleye Capital LLC | 86,400 | $855.0K | 0.02% | 00.0% | Unchanged |
| Caas Capital Management LP | 95,602 | $946.0K | 0.17% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 97,400 | $964.0K | 0.10% | +97,400 | 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 |
| 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 |
| Crescent Park Management, L.P. | 120,028 | $1.19M | 0.19% | +10,427+9.5% | Added |
| 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 |
| P Schoenfeld Asset Management LP | 144,534 | $1.43M | 0.08% | 00.0% | Unchanged |
| Fir Tree Capital Management LP | 144,959 | $1.43M | 0.04% | +124,988+625.8% | Added |
| Context Capital Management, LLC | 149,400 | $1.48M | 0.10% | +50,000+50.3% | Added |
| Jane Street Group, LLC | 150,465 | $1.49M | 0.00% | +263+0.2% | Added |
| HRT Financial LP | 151,289 | $1.49M | 0.01% | +76,478+102.2% | Added |
| Whitefort Capital Management, LP | 160,615 | $1.59M | 1.50% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 170,000 | $1.68M | 0.02% | 00.0% | Unchanged |
| Vestcor Inc | 175,000 | $1.73M | 0.06% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 180,608 | $1.79M | 0.46% | −8,408−4.4% | Reduced |
| Marshall Wace, LLP | 188,941 | $1.86M | 0.00% | +135,913+256.3% | Added |
| CNH Partners LLC | 191,100 | $1.89M | 0.05% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 200,000 | $1.98M | 0.03% | 00.0% | Unchanged |
| Avidity Partners Management LP | 200,000 | $1.98M | 0.04% | 00.0% | Unchanged |
| Sage Mountain Advisors LLC | 201,113 | $1.99M | 0.31% | +127,141+171.9% | Added |
| Saba Capital Management, L.P. | 215,476 | $2.13M | 0.04% | −34,737−13.9% | Reduced |
| Ghisallo Capital Management LLC | 225,000 | $2.22M | 0.24% | 00.0% | Unchanged |
| MYDA Advisors LLC | 232,000 | $2.30M | 0.95% | 00.0% | Unchanged |
| Iron Park Capital Partners, LP | 234,800 | $2.33M | 1.96% | +234,800 | New |
| Moore Capital Management, LP | 250,000 | $2.47M | 0.08% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 250,000 | $2.48M | 0.06% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 295,100 | $2.92M | 0.27% | +257,847+692.2% | Added |
| Calamos Advisors LLC | 300,000 | $2.96M | 0.01% | 00.0% | Unchanged |
| Maso Capital Partners Ltd | 300,000 | $2.97M | 1.21% | +300,000 | New |
| Periscope Capital Inc. | 359,781 | $3.56M | 0.09% | 00.0% | Unchanged |
| TIG Advisors, LLC | 399,124 | $3.95M | 0.16% | +399,124 | New |
| HBK Investments L P | 400,000 | $3.96M | 0.08% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 410,356 | $4.06M | 0.00% | +410,356 | New |
| Alyeska Investment Group, L.P. | 420,837 | $4.17M | 0.05% | −39,463−8.6% | Reduced |
| Bank of America Corp | 423,300 | $4.19M | 0.00% | −637−0.2% | Reduced |
| Manufacturers Life Insurance Company, The | 425,216 | $4.20M | 0.00% | +100.0% | Added |
| HSBC Holdings PLC | 445,142 | $4.40M | 0.01% | +445,142 | New |
| Weiss Asset Management LP | 451,608 | $4.46M | 0.10% | +422,152+1,433.2% | Added |
| Wealthspring Capital LLC | 465,195 | $4.61M | 0.90% | +356,707+328.8% | Added |
| Taconic Capital Advisors LP | 500,003 | $4.94M | 0.17% | +30.0% | Added |
| 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 |
| Magnetar Financial LLC | 541,123 | $5.35M | 0.06% | −14,386−2.6% | Reduced |
| Governors Lane LP | 600,000 | $5.94M | 0.46% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 623,545 | $6.16M | 0.01% | +186,539+42.7% | Added |
| Kepos Capital LP | 1,105,305 | $10.9M | 0.82% | 00.0% | Unchanged |
| Sculptor Capital LP | 1,108,352 | $11.0M | 0.09% | −191,134−14.7% | Reduced |
| Arena Capital Advisors, LLC- CA | 1,137,169 | $11.3M | 1.71% | +737,169+184.3% | Added |
| Citadel Advisors LLC | 1,143,329 | $11.3M | 0.01% | +1,023,148+851.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.3M | 0.04% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.3M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 1,811,961 | $17.9M | 0.02% | +439,308+32.0% | Added |
| 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 |