ProkidneyPROK

13F holders, Q4 2025 (December 31)
62holders +7
17new positions
11sold out
4famous investors
$2.24avg. 13F price*

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

020406080 Q2 2025: 6Q2 2025Q3 2025: 55Q3 2025Q4 2025: 62Q4 2025Q1 2026: 70Q1 2026Q2 2026: 70Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions17$7.0M
Exits11$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.