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, Q3 2021
Institutional positions in Prokidney Corp. as of Sep 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
- 84
- +13 vs. Q2 2021
- Shares held
- 23.1M
- +388.4K (+1.7%) vs. Q2 2021
- Total value
- $226.1M
- −$3.32M (−1.4%) vs. Q2 2021
- New holders
- 20
- 21 more added
- Sold out
- 7
- 15 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Prokidney Corp.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.1M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 1,468,002 | $14.4M | 0.02% | −103,167−6.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.3M | 0.03% | 00.0% | Unchanged |
| Sculptor Capital LP | 1,134,029 | $11.1M | 0.10% | +384,029+51.2% | Added |
| Kepos Capital LP | 1,105,305 | $10.8M | 0.73% | +3,552+0.3% | Added |
| Park West Asset Management LLC | 1,100,000 | $10.8M | 0.31% | 00.0% | Unchanged |
| Finepoint Capital LP | 980,000 | $9.60M | 1.64% | +123,402+14.4% | Added |
| BlueCrest Capital Management Ltd | 625,000 | $6.13M | 0.30% | −125,000−16.7% | Reduced |
| Governors Lane LP | 600,000 | $5.88M | 0.48% | +100,000+20.0% | Added |
| Magnetar Financial LLC | 567,023 | $5.56M | 0.06% | −32,977−5.5% | Reduced |
| Empyrean Capital Partners, LP | 500,000 | $4.90M | 0.12% | 00.0% | Unchanged |
| Maven Securities LTD | 500,000 | $4.90M | 0.56% | 00.0% | Unchanged |
| Taconic Capital Advisors LP | 500,000 | $4.90M | 0.18% | +75,100+17.7% | Added |
| Glazer Capital, LLC | 465,584 | $4.56M | 0.08% | +40,584+9.5% | Added |
| Alyeska Investment Group, L.P. | 460,300 | $4.51M | 0.06% | −39,700−7.9% | Reduced |
| Manufacturers Life Insurance Company, The | 425,172 | $4.17M | 0.00% | +1720.0% | Added |
| Bank of America Corp | 424,247 | $4.16M | 0.00% | +423,847+105,961.8% | Added |
| Athanor Capital, LP | 400,000 | $3.92M | 0.62% | −350,000−46.7% | Reduced |
| HBK Investments L P | 400,000 | $3.92M | 0.06% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 400,000 | $3.92M | 0.04% | 00.0% | Unchanged |
| Arena Capital Advisors, LLC- CA | 400,000 | $3.92M | 0.31% | 00.0% | Unchanged |
| Franklin Resources Inc | 400,000 | $3.92M | 0.00% | +400,000 | New |
| Periscope Capital Inc. | 359,981 | $3.53M | 0.10% | +109,981+44.0% | Added |
| D. E. Shaw & Co., Inc. | 319,035 | $3.13M | 0.00% | +219,035+219.0% | Added |
| Calamos Advisors LLC | 300,000 | $2.94M | 0.01% | +100,000+50.0% | Added |
| J. Goldman & Co LP | 266,956 | $2.62M | 0.23% | −233,044−46.6% | Reduced |
| UBS Oconnor LLC | 250,979 | $2.46M | 0.02% | +200,979+402.0% | Added |
| Saba Capital Management, L.P. | 250,213 | $2.45M | 0.08% | +250,213 | New |
| Moore Capital Management, LP | 250,000 | $2.45M | 0.05% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 250,000 | $2.45M | 0.06% | 00.0% | Unchanged |
| Luxor Capital Group, LP | 234,952 | $2.30M | 0.06% | −265,048−53.0% | Reduced |
| MYDA Advisors LLC | 232,723 | $2.28M | 0.83% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 225,000 | $2.21M | 0.08% | −13,502−5.7% | Reduced |
| Davidson Kempner Capital Management LP | 200,000 | $1.96M | 0.03% | 00.0% | Unchanged |
| CNH Partners LLC | 200,000 | $1.96M | 0.06% | 00.0% | Unchanged |
| Avidity Partners Management LP | 200,000 | $1.96M | 0.05% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 195,448 | $1.92M | 0.54% | +195,448 | New |
| Vestcor Inc | 175,000 | $1.72M | 0.06% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 170,000 | $1.67M | 0.02% | 00.0% | Unchanged |
| Hound Partners, LLC | 150,000 | $1.47M | 0.08% | 00.0% | Unchanged |
| Jane Street Group, LLC | 150,000 | $1.47M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 150,000 | $1.47M | 0.00% | +55,300+58.4% | Added |
| K2 Principal Fund, L.P. | 139,524 | $1.37M | 0.16% | −10,476−7.0% | Reduced |
| Radcliffe Capital Management, L.P. | 125,000 | $1.23M | 0.05% | 00.0% | Unchanged |
| Citadel Advisors LLC | 117,126 | $1.15M | 0.00% | −708,635−85.8% | Reduced |
| FNY Investment Advisers, LLC | 116,000 | $1.14M | 0.53% | +116,000 | New |
| Crescent Park Management, L.P. | 109,025 | $1.07M | 0.16% | +9,025+9.0% | Added |
| Wealthspring Capital LLC | 106,885 | $1.05M | 0.25% | +106,885 | New |
| Silverarc Capital Management, LLC | 106,000 | $1.04M | 0.60% | −144,000−57.6% | Reduced |
| Cohen & Co Financial Management, LLC | 101,414 | $994.0K | 0.43% | +101,414 | New |
| Angelo Gordon & Co., L.P. | 100,000 | $980.0K | 0.12% | 00.0% | Unchanged |
| DuPont Capital Management Corp | 100,000 | $980.0K | 0.03% | 00.0% | Unchanged |
| Context Capital Management, LLC | 100,000 | $980.0K | 0.10% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 100,000 | $980.0K | 0.04% | 00.0% | Unchanged |
| P Schoenfeld Asset Management LP | 100,000 | $980.0K | 0.07% | +100,000 | New |
| Exos Asset Management LLC | 100,000 | $980.0K | 0.52% | +100,000 | New |
| Caas Capital Management LP | 95,602 | $937.0K | 0.07% | −4,398−4.4% | Reduced |
| Walleye Capital LLC | 86,400 | $847.0K | 0.03% | +38,400+80.0% | Added |
| Tenor Capital Management Co., L.P. | 75,000 | $735.0K | 0.02% | 00.0% | Unchanged |
| Lombard Odier Asset Management (USA) Corp | 75,000 | $735.0K | 0.11% | +59,800+393.4% | Added |
| HRT Financial LP | 74,811 | $733.0K | 0.00% | +27,298+57.5% | Added |
| Sage Mountain Advisors LLC | 73,972 | $725.0K | 0.11% | +73,972 | New |
| Prelude Capital Management, LLC | 61,432 | $602.0K | 0.03% | +61,432 | New |
| Marshall Wace, LLP | 53,028 | $520.0K | 0.00% | +3,028+6.1% | Added |
| Waratah Capital Advisors Ltd. | 51,111 | $501.0K | 0.03% | +1,111+2.2% | Added |
| ExodusPoint Capital Management, LP | 50,000 | $490.0K | 0.01% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 50,000 | $490.0K | 0.01% | 00.0% | Unchanged |
| Walleye Trading LLC | 48,600 | $476.0K | 0.01% | +21,600+80.0% | Added |
| Citigroup Inc | 47,200 | $463.0K | 0.00% | +47,200 | New |
| Mirae Asset Global Investments Co., Ltd. | 41,184 | $404.0K | 0.00% | +41,184 | New |
| Omers Administration Corp | 40,000 | $392.0K | 0.01% | +40,000 | New |
| Parallax Volatility Advisers, L.P. | 37,685 | $369.0K | 0.00% | +37,685 | New |
| Spring Creek Capital LLC | 35,000 | $343.0K | 0.02% | 00.0% | Unchanged |
| Weiss Asset Management LP | 30,056 | $295.0K | 0.01% | −394,944−92.9% | Reduced |
| Wolverine Asset Management LLC | 28,396 | $278.0K | 0.00% | −6,604−18.9% | Reduced |
| Verition Fund Management LLC | 21,400 | $210.0K | 0.00% | +21,400 | New |
| Boothbay Fund Management, LLC | 21,028 | $206.0K | 0.01% | +3,178+17.8% | Added |
| Fir Tree Capital Management LP | 19,971 | $196.0K | 0.01% | −15,029−42.9% | Reduced |
| Royal Bank of Canada | 20,000 | $196.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 9,969 | $98.0K | 0.00% | +9,969 | New |
| Morgan Stanley | 6,856 | $67.0K | 0.00% | +6,856 | New |
| Condor Capital Management | 5,800 | $57.0K | 0.01% | +5,800 | New |
| Ancora Advisors, LLC | 2,333 | $23.0K | 0.00% | +2,333 | New |
| PenderFund Capital Management Ltd. | 1,300 | $16.0K | 0.00% | +1,300 | New |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| KCL Capital, L.P. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Wolfswood Holdings, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −8,572−100.0% | Sold out |