ProkidneyPROK
13F holders, Q1 2026 (March 31)70holders +8
14new positions
7sold out
3famous investors
$1.79avg. 13F price*
At the end of Q1 2026, 70 institutions reported holding Prokidney Corp. (PROK) in their 13F filings, up 8 from Q4 2025. 14 opened new positions and 7 sold out. The largest holders were Montanova Capital, LLC ($22.1M), Morgan Stanley ($16.0M) and Millennium Management ($4.1M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Prokidney Corp.
- CUSIP
- 74291D104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $1.0M |
| Exits | 7 | $1.1M |
All 13F filers, Q4 2025 → Q1 2026: 2,466,599 shares bought and 1,816,744 shares sold, net +649,855 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 70 holders
| Montanova Capital, LLC | 0.60% | No change | 12,341,266 | $22.1M |
| Morgan Stanley | 0.00% | Add +1.6% | 8,955,967 | $16.0M |
| Millennium Management | 0.00% | Add +23.8% | 2,271,577 | $4.1M |
| Bleichroeder LP | 0.62% | No change | 2,000,000 | $3.6M |
| Artia Global Partners LP | 0.73% | Reduce -1.7% | 1,806,939 | $3.2M |
| Hennion & Walsh Asset Management, Inc. | 0.10% | Add +7.2% | 1,611,693 | $2.9M |
| BlackRock, Inc. | 0.00% | Reduce -1.2% | 1,387,116 | $2.5M |
| Renaissance Technologies | 0.00% | Add +39.6% | 1,250,794 | $2.2M |
| Geode Capital Management, LLC | 0.00% | Add +2.8% | 1,230,409 | $2.2M |
| Vanguard Capital Management LLC | 0.00% | — | 1,146,937 | $2.1M |
| Marshall Wace, LLP | 0.00% | Add +65.2% | 1,011,744 | $1.8M |
| Bank of America Corp. | 0.00% | Add +6.7% | 753,412 | $1.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.8% | 627,771 | $1.1M |
| State Street Corp. | 0.00% | Add +15.9% | 556,845 | $997K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 538,371 | $964K |
| Woodline Partners LP | 0.00% | No change | 500,000 | $895K |
| MYDA Advisors LLC | 0.18% | Reduce -2.5% | 428,775 | $768K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -38.1% | 421,902 | $755K |
| Two Sigma Investments, LP | 0.00% | Reduce -25.6% | 346,382 | $620K |
| UBS Group AG | 0.00% | Reduce -19.7% | 334,546 | $599K |
| Amundi | 0.00% | Add +7.2% | 291,708 | $522K |
| Jane Street Group, LLC | 0.00% | Reduce -46.5% | 264,285 | $473K |
| ExodusPoint Capital Management, LP | 0.00% | Add +97.4% | 254,353 | $455K |
| Northern Trust Corp. | 0.00% | No change | 241,580 | $432K |
| Squarepoint Ops LLC | 0.00% | Reduce -39.9% | 211,107 | $378K |
| Susquehanna International Group, LLP | 0.00% | Reduce -48.7% | 204,488 | $366K |
| Gsa Capital Partners LLP | 0.02% | Add +7.5% | 203,226 | $364K |
| Barclays PLC | 0.00% | Reduce -13.9% | 146,284 | $262K |
| Virtus Investment Advisers, LLC | 0.06% | Add +2.5% | 123,388 | $221K |
| HRT Financial LP | 0.00% | New | 118,981 | $212K |
| Voleon Capital Management LP | 0.00% | New | 102,698 | $184K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | Reduce -10.2% | 97,378 | $174K |
| EntryPoint Capital, LLC | 0.04% | Add +187.6% | 82,862 | $148K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -45.4% | 67,900 | $122K |
| Point72 Asset Management | 0.00% | Add +283.8% | 65,578 | $117K |
| Brevan Howard Capital Management LP | 0.00% | New | 64,153 | $115K |
| Hudson Bay Capital Management LP | 0.00% | Add +37.8% | 62,084 | $111K |
| Jain Global LLC | 0.00% | New | 51,305 | $92K |
| Citigroup Inc. | 0.00% | Reduce -20.0% | 49,384 | $88K |
| Diametric Capital, LP | 0.02% | New | 47,827 | $86K |
| Catalyst Funds Management Pty Ltd | 0.01% | New | 47,800 | $86K |
| Jefferies Financial Group Inc. | 0.00% | Reduce -25.2% | 46,398 | $83K |
| Vanguard Global Advisers, LLC | 0.00% | — | 34,074 | $61K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 32,845 | $59K |
| Virtus Family Office LLC | 0.04% | No change | 27,500 | $49K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +136160.0% | 20,439 | $37K |
| Jump Financial, LLC | 0.00% | New | 18,540 | $33K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 15,900 | $28K |
| SummitTX Capital, L.P. | 0.00% | New | 14,600 | $26K |
| R Squared Ltd | 0.01% | New | 13,696 | $25K |
| CTC Alternative Strategies, Ltd. | 0.05% | New | 13,453 | $24K |
| Callan Family Office, LLC | 0.00% | No change | 13,394 | $24K |
| LMR Partners LLP | 0.00% | New | 12,484 | $22K |
| Prelude Capital Management, LLC | 0.00% | New | 12,107 | $22K |
| Victory Capital Management Inc. | 0.00% | Reduce -2.6% | 11,828 | $21K |
| Bank of New York Mellon Corp | 0.00% | No change | 11,192 | $20K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 10,992 | $20K |
| FMR LLC | 0.00% | Reduce -0.5% | 10,254 | $18K |
| Simplex Trading, LLC | 0.00% | Reduce -92.2% | 6,741 | $12K |
| BNP Paribas Financial Markets | 0.00% | Add +373.1% | 4,121 | $7K |
| Osaic Holdings, Inc. | 0.00% | No change | 950 | $2K |
| JPMorgan Chase & Co. | 0.00% | No change | 756 | $1K |
| Basecamp Wealth Advisors LLC | 0.00% | Reduce -18.6% | 586 | $1K |
| FNY Investment Advisers, LLC | 0.00% | Reduce -98.3% | 1,000 | $1K |
| Cwm, LLC | 0.00% | Reduce -20.2% | 455 | $814 |
| SBI Securities Co., Ltd. | 0.00% | Add +500.0% | 300 | $537 |
| Jones Financial Companies LLLP | 0.00% | No change | 100 | $160 |
| Signaturefd, LLC | 0.00% | No change | 75 | $134 |
| Arax Advisory Partners | 0.00% | Reduce -6.2% | 61 | $116 |
| Royal Bank of Canada | 0.00% | Reduce -82.4% | 190 | $0 |
"% of holder's portfolio" is PROK's weight in each manager's 13F, not the share of Prokidney Corp. the manager owns.