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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.

Q3 2022 vs. Q2 2022

How the institutions holding Prokidney Corp. changed between Q2 2022 and Q3 2022.

All holders in Q3 2022All holders in Q2 2022

13F holders of PROK: Q2 2022 compared with Q3 2022
MeasureQ2 2022Of which not filed for Q3 2022Q3 2022Change
Holders67118−48
Shares19.2M42.2K16.0M−3.14M (−16.4%)
Value$191.2M$422.0K$144.4M−$46.4M (−24.3%)

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (12)

Institutions that held Prokidney Corp. at the end of Q3 2022 but not at the end of Q2 2022.

Institutions new to PROK in Q3 2022
InstitutionSharesValue% of portfolio
Morgan Stanley10,351,656$93.3M0.01%
Suvretta Capital Management, LLC3,193,175$28.8M1.21%
Bleichroeder LP2,000,000$18.0M3.76%
Vanguard Group Inc152,100$1.37M0.00%
BlackRock Inc.108,802$980.0K0.00%
Geode Capital Management, LLC102,555$924.0K0.00%
Credit Suisse AG42,450$382.0K0.00%
Northern Trust Corp18,702$169.0K0.00%
Compagnie Lombard Odier SCmA10,500$95.0K0.00%
US Bancorp1,000$9.00K0.00%
Wells Fargo & Company69$1.00K0.00%
Signaturefd, LLC60$1.00K0.00%

Sold out (60)

Institutions that held Prokidney Corp. at the end of Q2 2022 and filed for Q3 2022 without it.

Institutions that sold out of PROK in Q3 2022
InstitutionShares, Q2 2022Value, Q2 2022
Adage Capital Partners GP, L.L.C.1,750,000$17.4M
Millennium Management LLC1,480,446$14.8M
Arena Capital Advisors, LLC- CA1,171,480$11.7M
Sculptor Capital LP1,108,352$11.1M
Vivaldi Asset Management, LLC847,315$8.38M
Healthcare of Ontario Pension Plan Trust Fund815,000$8.11M
Marshall Wace, LLP736,968$7.33M
Citadel Advisors LLC627,066$6.24M
D. E. Shaw & Co., Inc.623,545$6.20M
Governors Lane LP600,000$5.97M
Empyrean Capital Partners, LP500,000$4.97M
683 Capital Management, LLC500,000$4.97M
Wealthspring Capital LLC466,376$4.64M
HSBC Holdings PLC445,142$4.36M
Magnetar Financial LLC434,388$4.32M
Alyeska Investment Group, L.P.420,837$4.19M
HBK Investments L P400,000$4.00M
UBS Oconnor LLC362,372$3.61M
Periscope Capital Inc.359,781$3.60M
Qube Research & Technologies Ltd306,764$3.05M
Calamos Advisors LLC300,000$2.98M
Maso Capital Partners Ltd300,000$2.98M
TIG Advisors, LLC287,935$2.87M
Schechter Investment Advisors, LLC285,950$2.85M
MYDA Advisors LLC232,000$2.31M
Saba Capital Management, L.P.215,476$2.14M
Iron Park Capital Partners, LP200,000$2.00M
Avidity Partners Management LP200,000$1.99M
CNH Partners LLC191,100$1.90M
Vestcor Inc175,000$1.74M
HRT Financial LP156,274$1.55M
Bulldog Investors, LLP153,378$1.53M
Jane Street Group, LLC150,007$1.49M
Fir Tree Capital Management LP136,899$1.37M
K2 Principal Fund, L.P.136,937$1.37M
Radcliffe Capital Management, L.P.125,000$1.24M
Crescent Park Management, L.P.123,213$1.23M
P Schoenfeld Asset Management LP122,379$1.22M
Angelo Gordon & Co., L.P.100,000$1.00M
Picton Mahoney Asset Management100,000$1.00M
JPMorgan Chase & Co100,000$995.0K
DuPont Capital Management Corp100,000$995.0K
Tenor Capital Management Co., L.P.75,000$746.0K
Ergoteles LLC62,981$627.0K
Shaolin Capital Management LLC50,000$498.0K
Sandia Investment Management LP50,000$498.0K
Walleye Trading LLC48,600$484.0K
Berkley W R Corp48,399$482.0K
Goldman Sachs Group Inc43,400$432.0K
Schonfeld Strategic Advisors LLC42,852$426.0K
Meteora Capital, LLC42,299$421.0K
Bank of Nova Scotia40,000$398.0K
Cowen and Company, LLC38,248$381.0K
Boothbay Fund Management, LLC20,448$203.0K
Clear Street LLC20,000$199.0K
Walleye Capital LLC13,500$134.0K
Condor Capital Management9,870$98.0K
PenderFund Capital Management Ltd.7,094$91.0K
Captrust Financial Advisors3,454$34.0K
Penserra Capital Management LLC2,704$26.0K

Not filed for Q3 2022 yet (1)

Institutions that held Prokidney Corp. at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PROK in Q2 2022 that haven't filed for Q3 2022
InstitutionShares, Q2 2022Value, Q2 2022
Exos Asset Management LLC42,201$422.0K