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 |
|---|---|---|---|---|---|
| PenderFund Capital Management Ltd. | 1,300 | $16.0K | 0.00% | +1,300 | New |
| Ancora Advisors, LLC | 2,333 | $23.0K | 0.00% | +2,333 | New |
| Condor Capital Management | 5,800 | $57.0K | 0.01% | +5,800 | New |
| Morgan Stanley | 6,856 | $67.0K | 0.00% | +6,856 | New |
| Captrust Financial Advisors | 9,969 | $98.0K | 0.00% | +9,969 | New |
| 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 |
| Boothbay Fund Management, LLC | 21,028 | $206.0K | 0.01% | +3,178+17.8% | Added |
| Verition Fund Management LLC | 21,400 | $210.0K | 0.00% | +21,400 | New |
| Wolverine Asset Management LLC | 28,396 | $278.0K | 0.00% | −6,604−18.9% | Reduced |
| Weiss Asset Management LP | 30,056 | $295.0K | 0.01% | −394,944−92.9% | Reduced |
| Spring Creek Capital LLC | 35,000 | $343.0K | 0.02% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 37,685 | $369.0K | 0.00% | +37,685 | New |
| Omers Administration Corp | 40,000 | $392.0K | 0.01% | +40,000 | New |
| Mirae Asset Global Investments Co., Ltd. | 41,184 | $404.0K | 0.00% | +41,184 | New |
| Citigroup Inc | 47,200 | $463.0K | 0.00% | +47,200 | New |
| Walleye Trading LLC | 48,600 | $476.0K | 0.01% | +21,600+80.0% | 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 |
| Waratah Capital Advisors Ltd. | 51,111 | $501.0K | 0.03% | +1,111+2.2% | Added |
| Marshall Wace, LLP | 53,028 | $520.0K | 0.00% | +3,028+6.1% | Added |
| Prelude Capital Management, LLC | 61,432 | $602.0K | 0.03% | +61,432 | New |
| Sage Mountain Advisors LLC | 73,972 | $725.0K | 0.11% | +73,972 | New |
| HRT Financial LP | 74,811 | $733.0K | 0.00% | +27,298+57.5% | 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 |
| Walleye Capital LLC | 86,400 | $847.0K | 0.03% | +38,400+80.0% | Added |
| Caas Capital Management LP | 95,602 | $937.0K | 0.07% | −4,398−4.4% | Reduced |
| 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 |
| Cohen & Co Financial Management, LLC | 101,414 | $994.0K | 0.43% | +101,414 | New |
| Silverarc Capital Management, LLC | 106,000 | $1.04M | 0.60% | −144,000−57.6% | Reduced |
| Wealthspring Capital LLC | 106,885 | $1.05M | 0.25% | +106,885 | New |
| Crescent Park Management, L.P. | 109,025 | $1.07M | 0.16% | +9,025+9.0% | Added |
| FNY Investment Advisers, LLC | 116,000 | $1.14M | 0.53% | +116,000 | New |
| Citadel Advisors LLC | 117,126 | $1.15M | 0.00% | −708,635−85.8% | Reduced |
| Radcliffe Capital Management, L.P. | 125,000 | $1.23M | 0.05% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 139,524 | $1.37M | 0.16% | −10,476−7.0% | Reduced |
| 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 |
| Polar Asset Management Partners Inc. | 170,000 | $1.67M | 0.02% | 00.0% | Unchanged |
| Vestcor Inc | 175,000 | $1.72M | 0.06% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 195,448 | $1.92M | 0.54% | +195,448 | New |
| 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 |
| Davidson Kempner Capital Management LP | 200,000 | $1.96M | 0.03% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 225,000 | $2.21M | 0.08% | −13,502−5.7% | Reduced |
| MYDA Advisors LLC | 232,723 | $2.28M | 0.83% | 00.0% | Unchanged |
| Luxor Capital Group, LP | 234,952 | $2.30M | 0.06% | −265,048−53.0% | Reduced |
| 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 |
| Saba Capital Management, L.P. | 250,213 | $2.45M | 0.08% | +250,213 | New |
| UBS Oconnor LLC | 250,979 | $2.46M | 0.02% | +200,979+402.0% | Added |
| J. Goldman & Co LP | 266,956 | $2.62M | 0.23% | −233,044−46.6% | Reduced |
| Calamos Advisors LLC | 300,000 | $2.94M | 0.01% | +100,000+50.0% | Added |
| D. E. Shaw & Co., Inc. | 319,035 | $3.13M | 0.00% | +219,035+219.0% | Added |
| Periscope Capital Inc. | 359,981 | $3.53M | 0.10% | +109,981+44.0% | 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 |
| Bank of America Corp | 424,247 | $4.16M | 0.00% | +423,847+105,961.8% | Added |
| Manufacturers Life Insurance Company, The | 425,172 | $4.17M | 0.00% | +1720.0% | Added |
| Alyeska Investment Group, L.P. | 460,300 | $4.51M | 0.06% | −39,700−7.9% | Reduced |
| Glazer Capital, LLC | 465,584 | $4.56M | 0.08% | +40,584+9.5% | Added |
| 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 |
| Magnetar Financial LLC | 567,023 | $5.56M | 0.06% | −32,977−5.5% | Reduced |
| Governors Lane LP | 600,000 | $5.88M | 0.48% | +100,000+20.0% | Added |
| BlueCrest Capital Management Ltd | 625,000 | $6.13M | 0.30% | −125,000−16.7% | Reduced |
| Finepoint Capital LP | 980,000 | $9.60M | 1.64% | +123,402+14.4% | Added |
| Park West Asset Management LLC | 1,100,000 | $10.8M | 0.31% | 00.0% | Unchanged |
| Kepos Capital LP | 1,105,305 | $10.8M | 0.73% | +3,552+0.3% | Added |
| Sculptor Capital LP | 1,134,029 | $11.1M | 0.10% | +384,029+51.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 1,250,000 | $12.3M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 1,468,002 | $14.4M | 0.02% | −103,167−6.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,750,000 | $17.1M | 0.03% | 00.0% | Unchanged |
| 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 |