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 |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 536 | $5.00K | 0.00% | +536 | New |
| UBS Group AG | 755 | $7.00K | 0.00% | +755 | New |
| Ancora Advisors, LLC | 2,333 | $23.0K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 2,530 | $32.0K | 0.01% | +1,230+94.6% | Added |
| Condor Capital Management | 5,800 | $57.0K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 9,456 | $94.0K | 0.00% | +2,600+37.9% | Added |
| Captrust Financial Advisors | 9,969 | $99.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 19,296 | $191.0K | 0.00% | −9,100−32.0% | Reduced |
| 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 |
| Verition Fund Management LLC | 21,400 | $212.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 22,832 | $226.0K | 0.01% | +1,804+8.6% | Added |
| Waratah Capital Advisors Ltd. | 25,555 | $253.0K | 0.01% | −25,556−50.0% | Reduced |
| Weiss Asset Management LP | 29,456 | $292.0K | 0.01% | −600−2.0% | Reduced |
| Spring Creek Capital LLC | 35,000 | $347.0K | 0.01% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 37,253 | $369.0K | 0.03% | +37,253 | New |
| Bank of Nova Scotia | 40,000 | $396.0K | 0.00% | +40,000 | New |
| FNY Investment Advisers, LLC | 41,328 | $409.0K | 0.22% | −74,672−64.4% | Reduced |
| Citigroup Inc | 47,200 | $467.0K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 48,600 | $481.0K | 0.01% | 00.0% | Unchanged |
| 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 |
| Mirae Asset Global Investments Co., Ltd. | 51,184 | $507.0K | 0.00% | +10,000+24.3% | Added |
| Marshall Wace, LLP | 53,028 | $524.0K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 61,432 | $608.0K | 0.03% | 00.0% | Unchanged |
| Sage Mountain Advisors LLC | 73,972 | $733.0K | 0.09% | 00.0% | Unchanged |
| HRT Financial LP | 74,811 | $740.0K | 0.00% | 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 |
| Walleye Capital LLC | 86,400 | $855.0K | 0.03% | 00.0% | Unchanged |
| Caas Capital Management LP | 95,602 | $946.0K | 0.09% | 00.0% | Unchanged |
| Context Capital Management, LLC | 99,400 | $984.0K | 0.08% | −600−0.6% | Reduced |
| Aequim Alternative Investments LP | 99,782 | $988.0K | 0.03% | +99,782 | New |
| 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 |
| Wealthspring Capital LLC | 108,488 | $1.07M | 0.23% | +1,603+1.5% | Added |
| Crescent Park Management, L.P. | 109,601 | $1.08M | 0.18% | +576+0.5% | Added |
| BlueCrest Capital Management Ltd | 119,381 | $1.18M | 0.07% | −505,619−80.9% | Reduced |
| Citadel Advisors LLC | 120,181 | $1.19M | 0.00% | +3,055+2.6% | Added |
| Silverarc Capital Management, LLC | 123,862 | $1.23M | 0.55% | +17,862+16.9% | Added |
| Radcliffe Capital Management, L.P. | 125,000 | $1.24M | 0.05% | 00.0% | Unchanged |
| Exos Asset Management LLC | 127,594 | $1.26M | 0.65% | +27,594+27.6% | Added |
| P Schoenfeld Asset Management LP | 144,534 | $1.43M | 0.08% | +44,534+44.5% | 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 |
| Jane Street Group, LLC | 150,202 | $1.49M | 0.00% | +202+0.1% | Added |
| Whitefort Capital Management, LP | 160,615 | $1.59M | 1.27% | +160,615 | New |
| 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 | 189,016 | $1.87M | 0.50% | −6,432−3.3% | Reduced |
| CNH Partners LLC | 191,100 | $1.89M | 0.06% | −8,900−4.5% | Reduced |
| Davidson Kempner Capital Management LP | 200,000 | $1.97M | 0.03% | 00.0% | Unchanged |
| Avidity Partners Management LP | 200,000 | $1.98M | 0.04% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 225,000 | $2.23M | 0.11% | 00.0% | Unchanged |
| MYDA Advisors LLC | 232,000 | $2.30M | 0.72% | −723−0.3% | Reduced |
| Luxor Capital Group, LP | 234,952 | $2.33M | 0.07% | 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 |
| Saba Capital Management, L.P. | 250,213 | $2.48M | 0.05% | 00.0% | Unchanged |
| UBS Oconnor LLC | 257,885 | $2.55M | 0.02% | +6,906+2.8% | Added |
| J. Goldman & Co LP | 266,956 | $2.64M | 0.24% | 00.0% | Unchanged |
| Glazer Capital, LLC | 279,519 | $2.77M | 0.07% | −186,065−40.0% | Reduced |
| Calamos Advisors LLC | 300,000 | $2.97M | 0.01% | 00.0% | Unchanged |
| Cowen and Company, LLC | 322,000 | $3.19M | 0.30% | +322,000 | New |
| Periscope Capital Inc. | 359,781 | $3.56M | 0.10% | −200−0.1% | 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 |
| Bank of America Corp | 423,937 | $4.20M | 0.00% | −310−0.1% | Reduced |
| Manufacturers Life Insurance Company, The | 425,206 | $4.21M | 0.00% | +340.0% | Added |
| D. E. Shaw & Co., Inc. | 437,006 | $4.33M | 0.01% | +117,971+37.0% | Added |
| Alyeska Investment Group, L.P. | 460,300 | $4.56M | 0.05% | 00.0% | Unchanged |
| 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 |
| RP Investment Advisors LP | 538,848 | $5.33M | 0.66% | +538,848 | New |
| Magnetar Financial LLC | 555,509 | $5.50M | 0.06% | −11,514−2.0% | Reduced |
| Governors Lane LP | 600,000 | $5.94M | 0.43% | 00.0% | Unchanged |
| Finepoint Capital LP | 980,000 | $9.70M | 2.49% | 00.0% | Unchanged |
| Park West Asset Management LLC | 1,100,000 | $10.9M | 0.32% | 00.0% | Unchanged |
| Kepos Capital LP | 1,105,305 | $10.9M | 0.91% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.4M | 0.03% | 00.0% | Unchanged |
| Sculptor Capital LP | 1,299,486 | $12.9M | 0.12% | +165,457+14.6% | Added |
| Millennium Management LLC | 1,372,653 | $13.6M | 0.01% | −95,349−6.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.3M | 0.03% | 00.0% | Unchanged |
| 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 |