Prokidney Corp.

PROK

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001850270

SEC filings (opens in a new tab)

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.

Q2 2026 vs. Q1 2026

How the institutions holding Prokidney Corp. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of PROK: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	71	1	71	+1
Shares	43.7M	455	48.8M	+5.10M (+11.7%)
Value	$78.1M	$814	$99.5M	+$21.3M (+27.3%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Prokidney Corp. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to PROK in Q2 2026
Institution	Shares	Value	% of portfolio
Vanguard Portfolio Management LLC	517,082	$1.05M	0.00%
Nuveen, LLC	101,461	$207.0K	0.00%
Abel Hall, LLC	75,934	$154.9K	0.03%
Deutsche Bank AG	75,373	$153.8K	0.00%
Wells Fargo & Company	67,262	$137.2K	0.00%
Price T Rowe Associates Inc	62,039	$127.0K	0.00%
Rhumbline Advisers	54,101	$110.4K	0.00%
New York State Common Retirement Fund	45,600	$93.0K	0.00%
Invesco Ltd.	40,719	$83.1K	0.00%
Axq Capital, LP	37,430	$76.4K	0.01%
Mirae Asset Global ETFs Holdings Ltd.	34,842	$71.1K	0.00%
Canada Pension Plan Investment Board	28,200	$57.5K	0.00%
Police & Firemen's Retirement System of New Jersey	25,310	$51.6K	0.00%
Alliancebernstein L.P.	26,760	$47.9K	0.00%
Intech Investment Management LLC	16,942	$34.6K	0.00%
Prudential Financial Inc	10,880	$22.2K	0.00%
EP Wealth Advisors, LLC	10,000	$20.4K	0.00%
Legal & General Group Plc	7,410	$15.1K	0.00%
Ameritas Investment Partners, Inc.	6,867	$14.0K	0.00%
Russell Investments Group, Ltd.	6,050	$12.3K	0.00%
IFP Advisors, Inc	3,000	$6.12K	0.00%
Sterling Capital Management LLC	658	$1.34K	0.00%

Sold out (21)

Institutions that held Prokidney Corp. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of PROK in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Marshall Wace, LLP	1,011,744	$1.81M
Woodline Partners LP	500,000	$895.0K
ExodusPoint Capital Management, LP	254,353	$455.3K
HRT Financial LP	118,981	$212.0K
EntryPoint Capital, LLC	82,862	$148.3K
Omers Administration Corp	67,900	$121.5K
Point72 Asset Management, L.P.	65,578	$117.4K
Brevan Howard Capital Management LP	64,153	$114.8K
Hudson Bay Capital Management LP	62,084	$111.1K
Jain Global LLC	51,305	$91.8K
Diametric Capital, LP	47,827	$85.6K
Catalyst Funds Management Pty Ltd	47,800	$85.6K
Jefferies Financial Group Inc.	46,398	$83.1K
Schonfeld Strategic Advisors LLC	32,845	$58.8K
Jump Financial, LLC	18,540	$33.2K
SummitTX Capital, L.P.	14,600	$26.1K
CTC Alternative Strategies, Ltd.	13,453	$24.1K
LMR Partners LLP	12,484	$22.3K
Prelude Capital Management, LLC	12,107	$21.7K
Victory Capital Management Inc	11,828	$21.2K
Simplex Trading, LLC	6,741	$12.1K

Not filed for Q2 2026 yet (1)

Institutions that held Prokidney Corp. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PROK in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	455	$814