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, Q4 2021
Institutional positions in Prokidney Corp. as of Dec 31, 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
- 90
- +6 vs. Q3 2021
- Shares held
- 22.9M
- −143.0K (−0.6%) vs. Q3 2021
- Total value
- $227.0M
- +$880.0K (+0.4%) vs. Q3 2021
- New holders
- 13
- 15 more added
- Sold out
- 7
- 15 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Prokidney Corp.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.3M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 1,372,653 | $13.6M | 0.01% | −95,349−6.5% | Reduced |
| Sculptor Capital LP | 1,299,486 | $12.9M | 0.12% | +165,457+14.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.4M | 0.03% | 00.0% | Unchanged |
| Kepos Capital LP | 1,105,305 | $10.9M | 0.91% | 00.0% | Unchanged |
| Park West Asset Management LLC | 1,100,000 | $10.9M | 0.32% | 00.0% | Unchanged |
| Finepoint Capital LP | 980,000 | $9.70M | 2.49% | 00.0% | Unchanged |
| Governors Lane LP | 600,000 | $5.94M | 0.43% | 00.0% | Unchanged |
| Magnetar Financial LLC | 555,509 | $5.50M | 0.06% | −11,514−2.0% | Reduced |
| RP Investment Advisors LP | 538,848 | $5.33M | 0.66% | +538,848 | New |
| Empyrean Capital Partners, LP | 500,000 | $4.95M | 0.13% | 00.0% | Unchanged |
| Taconic Capital Advisors LP | 500,000 | $4.95M | 0.18% | 00.0% | Unchanged |
| LH Capital Markets, LLC | 500,000 | $4.95M | 2.24% | +500,000 | New |
| Alyeska Investment Group, L.P. | 460,300 | $4.56M | 0.05% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 437,006 | $4.33M | 0.01% | +117,971+37.0% | Added |
| Manufacturers Life Insurance Company, The | 425,206 | $4.21M | 0.00% | +340.0% | Added |
| Bank of America Corp | 423,937 | $4.20M | 0.00% | −310−0.1% | Reduced |
| Franklin Resources Inc | 400,000 | $3.96M | 0.00% | 00.0% | Unchanged |
| HBK Investments L P | 400,000 | $3.96M | 0.09% | 00.0% | Unchanged |
| Arena Capital Advisors, LLC- CA | 400,000 | $3.96M | 0.36% | 00.0% | Unchanged |
| Periscope Capital Inc. | 359,781 | $3.56M | 0.10% | −200−0.1% | Reduced |
| Cowen and Company, LLC | 322,000 | $3.19M | 0.30% | +322,000 | New |
| Calamos Advisors LLC | 300,000 | $2.97M | 0.01% | 00.0% | Unchanged |
| Glazer Capital, LLC | 279,519 | $2.77M | 0.07% | −186,065−40.0% | Reduced |
| J. Goldman & Co LP | 266,956 | $2.64M | 0.24% | 00.0% | Unchanged |
| UBS Oconnor LLC | 257,885 | $2.55M | 0.02% | +6,906+2.8% | Added |
| Saba Capital Management, L.P. | 250,213 | $2.48M | 0.05% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 250,000 | $2.48M | 0.06% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.48M | 0.06% | 00.0% | Unchanged |
| Luxor Capital Group, LP | 234,952 | $2.33M | 0.07% | 00.0% | Unchanged |
| MYDA Advisors LLC | 232,000 | $2.30M | 0.72% | −723−0.3% | Reduced |
| Ghisallo Capital Management LLC | 225,000 | $2.23M | 0.11% | 00.0% | Unchanged |
| Avidity Partners Management LP | 200,000 | $1.98M | 0.04% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 200,000 | $1.97M | 0.03% | 00.0% | Unchanged |
| CNH Partners LLC | 191,100 | $1.89M | 0.06% | −8,900−4.5% | Reduced |
| Bulldog Investors, LLP | 189,016 | $1.87M | 0.50% | −6,432−3.3% | 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 | 1.27% | +160,615 | New |
| Jane Street Group, LLC | 150,202 | $1.49M | 0.00% | +202+0.1% | Added |
| Hound Partners, LLC | 150,000 | $1.49M | 0.09% | 00.0% | Unchanged |
| Fifth Lane Capital, LP | 150,000 | $1.49M | 0.87% | +150,000 | New |
| P Schoenfeld Asset Management LP | 144,534 | $1.43M | 0.08% | +44,534+44.5% | Added |
| Exos Asset Management LLC | 127,594 | $1.26M | 0.65% | +27,594+27.6% | Added |
| Radcliffe Capital Management, L.P. | 125,000 | $1.24M | 0.05% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 123,862 | $1.23M | 0.55% | +17,862+16.9% | Added |
| Citadel Advisors LLC | 120,181 | $1.19M | 0.00% | +3,055+2.6% | Added |
| BlueCrest Capital Management Ltd | 119,381 | $1.18M | 0.07% | −505,619−80.9% | Reduced |
| Crescent Park Management, L.P. | 109,601 | $1.08M | 0.18% | +576+0.5% | Added |
| Wealthspring Capital LLC | 108,488 | $1.07M | 0.23% | +1,603+1.5% | Added |
| K2 Principal Fund, L.P. | 100,000 | $990.0K | 0.12% | −39,524−28.3% | Reduced |
| Angelo Gordon & Co., L.P. | 100,000 | $990.0K | 0.10% | 00.0% | Unchanged |
| DuPont Capital Management Corp | 100,000 | $990.0K | 0.04% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 100,000 | $990.0K | 0.04% | 00.0% | Unchanged |
| Beryl Capital Management LLC | 100,000 | $990.0K | 0.05% | +100,000 | New |
| Aequim Alternative Investments LP | 99,782 | $988.0K | 0.03% | +99,782 | New |
| Context Capital Management, LLC | 99,400 | $984.0K | 0.08% | −600−0.6% | Reduced |
| Caas Capital Management LP | 95,602 | $946.0K | 0.09% | 00.0% | Unchanged |
| Walleye Capital LLC | 86,400 | $855.0K | 0.03% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 75,000 | $743.0K | 0.02% | 00.0% | Unchanged |
| Lombard Odier Asset Management (USA) Corp | 75,000 | $743.0K | 0.11% | 00.0% | Unchanged |
| HRT Financial LP | 74,811 | $740.0K | 0.00% | 00.0% | Unchanged |
| Sage Mountain Advisors LLC | 73,972 | $733.0K | 0.09% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 61,432 | $608.0K | 0.03% | 00.0% | Unchanged |
| Marshall Wace, LLP | 53,028 | $524.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 51,184 | $507.0K | 0.00% | +10,000+24.3% | Added |
| ExodusPoint Capital Management, LP | 50,000 | $495.0K | 0.01% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 50,000 | $495.0K | 0.01% | 00.0% | Unchanged |
| Berkley W R Corp | 50,000 | $495.0K | 0.03% | +50,000 | New |
| Sandia Investment Management LP | 50,000 | $495.0K | 0.08% | +50,000 | New |
| Walleye Trading LLC | 48,600 | $481.0K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 47,200 | $467.0K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 41,328 | $409.0K | 0.22% | −74,672−64.4% | Reduced |
| Bank of Nova Scotia | 40,000 | $396.0K | 0.00% | +40,000 | New |
| Schechter Investment Advisors, LLC | 37,253 | $369.0K | 0.03% | +37,253 | New |
| Spring Creek Capital LLC | 35,000 | $347.0K | 0.01% | 00.0% | Unchanged |
| Weiss Asset Management LP | 29,456 | $292.0K | 0.01% | −600−2.0% | Reduced |
| Waratah Capital Advisors Ltd. | 25,555 | $253.0K | 0.01% | −25,556−50.0% | Reduced |
| Boothbay Fund Management, LLC | 22,832 | $226.0K | 0.01% | +1,804+8.6% | Added |
| Verition Fund Management LLC | 21,400 | $212.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 20,000 | $198.0K | 0.00% | 00.0% | Unchanged |
| Fir Tree Capital Management LP | 19,971 | $198.0K | 0.01% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 19,296 | $191.0K | 0.00% | −9,100−32.0% | Reduced |
| Captrust Financial Advisors | 9,969 | $99.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 9,456 | $94.0K | 0.00% | +2,600+37.9% | Added |
| Condor Capital Management | 5,800 | $57.0K | 0.01% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 2,530 | $32.0K | 0.01% | +1,230+94.6% | Added |
| Ancora Advisors, LLC | 2,333 | $23.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 755 | $7.00K | 0.00% | +755 | New |
| Tower Research Capital LLC (TRC) | 536 | $5.00K | 0.00% | +536 | New |
| Maven Securities LTD | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Athanor Capital, LP | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Cohen & Co Financial Management, LLC | 0 | $0 | 0.00% | −101,414−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −37,685−100.0% | Sold out |