ProkidneyPROK
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 62 institutions reported holding Prokidney Corp. (PROK) in their 13F filings, up 7 from Q3 2025. 17 opened new positions and 11 sold out. The largest holders were Montanova Capital, LLC ($27.6M), Morgan Stanley ($19.8M) and Bleichroeder LP ($4.5M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Prokidney Corp.
- CUSIP
- 74291D104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $7.0M |
| Exits | 11 | $772K |
All 13F filers, Q3 2025 → Q4 2025: 9,260,834 shares bought and 768,074 shares sold, net +8,492,760 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 62 holders
| Montanova Capital, LLC | 0.69% | No change | 12,341,266 | $27.6M |
| Morgan Stanley | 0.00% | Add +30.7% | 8,817,001 | $19.8M |
| Bleichroeder LP | 0.79% | No change | 2,000,000 | $4.5M |
| Artia Global Partners LP | 0.66% | New | 1,838,411 | $4.1M |
| Millennium Management | 0.00% | Reduce -6.2% | 1,834,536 | $4.1M |
| Vanguard Group Inc. | 0.00% | Add +5.4% | 1,648,229 | $3.7M |
| Hennion & Walsh Asset Management, Inc. | 0.12% | Add +63.5% | 1,503,886 | $3.4M |
| BlackRock, Inc. | 0.00% | Add +9.9% | 1,404,167 | $3.1M |
| Geode Capital Management, LLC | 0.00% | Add +9.2% | 1,197,530 | $2.7M |
| Renaissance Technologies | 0.00% | Add +578.6% | 895,705 | $2.0M |
| Bank of America Corp. | 0.00% | Add +6.8% | 706,144 | $1.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +313.8% | 681,161 | $1.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -4.6% | 623,110 | $1.4M |
| Marshall Wace, LLP | 0.00% | Add +654.2% | 612,485 | $1.4M |
| Woodline Partners LP | 0.00% | New | 500,000 | $1.1M |
| Jane Street Group, LLC | 0.00% | Add +615.8% | 493,849 | $1.1M |
| State Street Corp. | 0.00% | Add +1.1% | 480,345 | $1.1M |
| Two Sigma Investments, LP | 0.00% | Add +368.9% | 465,509 | $1.0M |
| MYDA Advisors LLC | 0.28% | Reduce -2.2% | 440,000 | $986K |
| UBS Group AG | 0.00% | Reduce -18.1% | 416,539 | $933K |
| Susquehanna International Group, LLP | 0.00% | Add +56.4% | 398,880 | $893K |
| Citadel Advisors | 0.00% | Add +7.8% | 371,797 | $833K |
| Squarepoint Ops LLC | 0.00% | Add +2.0% | 351,421 | $787K |
| Amundi | 0.00% | New | 272,242 | $610K |
| Northern Trust Corp. | 0.00% | Add +27.1% | 241,580 | $541K |
| Gsa Capital Partners LLP | 0.04% | Add +12.5% | 189,044 | $423K |
| Barclays PLC | 0.00% | Add +17000000.0% | 170,001 | $381K |
| ExodusPoint Capital Management, LP | 0.00% | Add +22.8% | 128,853 | $289K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 124,400 | $279K |
| Virtus Investment Advisers, LLC | 0.07% | New | 120,376 | $270K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | Reduce -24.4% | 108,444 | $243K |
| Simplex Trading, LLC | 0.01% | Add +10.6% | 86,046 | $193K |
| Jefferies Financial Group Inc. | 0.00% | Reduce -5.0% | 62,035 | $139K |
| Citigroup Inc. | 0.00% | Add +2590.8% | 61,727 | $138K |
| FNY Investment Advisers, LLC | 0.04% | New | 59,052 | $132K |
| Lighthouse Investment Partners, LLC | 0.00% | New | 48,060 | $108K |
| Hudson Bay Capital Management LP | 0.00% | New | 45,056 | $101K |
| EntryPoint Capital, LLC | 0.03% | New | 28,817 | $65K |
| Group One Trading LLC | 0.00% | New | 28,021 | $63K |
| Virtus Family Office LLC | 0.05% | No change | 27,500 | $62K |
| Point72 Asset Management | 0.00% | New | 17,087 | $38K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 15,900 | $36K |
| Callan Family Office, LLC | 0.00% | New | 13,394 | $30K |
| Cetera Investment Advisers | 0.00% | New | 12,288 | $28K |
| Victory Capital Management Inc. | 0.00% | Add +6.3% | 12,149 | $27K |
| Bank of New York Mellon Corp | 0.00% | No change | 11,192 | $25K |
| Two Sigma Advisers, LP | 0.00% | New | 10,900 | $24K |
| FMR LLC | 0.00% | Reduce -13.4% | 10,310 | $23K |
| NINE MASTS CAPITAL Ltd | 0.01% | New | 10,244 | $23K |
| Wells Fargo & Company | 0.00% | No change | 3,000 | $7K |
| Osaic Holdings, Inc. | 0.00% | No change | 950 | $2K |
| Royal Bank of Canada | 0.00% | Reduce -99.3% | 1,077 | $2K |
| BNP Paribas Financial Markets | 0.00% | Reduce -51.5% | 871 | $2K |
| Garner Asset Management Corp | 0.00% | New | 800 | $2K |
| JPMorgan Chase & Co. | 0.00% | No change | 756 | $2K |
| Basecamp Wealth Advisors LLC | 0.00% | — | 720 | $2K |
| Cwm, LLC | 0.00% | Reduce -9.1% | 570 | $1K |
| Jones Financial Companies LLLP | 0.00% | Reduce -97.0% | 100 | $224 |
| Signaturefd, LLC | 0.00% | No change | 75 | $168 |
| Arax Advisory Partners | 0.00% | Reduce -73.8% | 65 | $146 |
| SBI Securities Co., Ltd. | 0.00% | New | 50 | $112 |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -99.6% | 15 | $34 |
"% of holder's portfolio" is PROK's weight in each manager's 13F, not the share of Prokidney Corp. the manager owns.