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Livermore
Livermore
ZHEN

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.

Holders of 5% or more of PROK

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Prokidney Corp., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of PROK
HolderLatest formStakeChangeFirst filedLatest filingFiling
Tolerantia, LLC13D/A36.50%106.9M shares−1.50 ppfrom 38.00%Jul 22, 20226 filingsJun 5, 2025SEC
Control Empresarial de Capitales S.A. de C.V.13D/A36.00%73.8M shares–Jul 22, 20223 filingsApr 30, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

39 Schedule 13D and 13G filings on Prokidney Corp., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on PROK
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 12, 20263:45 PM ETMorgan Stanleyand 1 other13G/A4.70%9.65M shares−1.30 ppfrom 6.00%Below 5%Jun 30, 2026SEC
Apr 30, 20264:24 PM ETControl Empresarial de Capitales S.A. de C.V.and 7 others13D/A36.00%73.8M shares–Apr 28, 2026SEC
Feb 12, 20262:11 PM ETMorgan Stanleyand 1 other13G6.00%8.52M sharesNewDec 31, 2025SEC
Aug 7, 202511:36 AM ETMorgan Stanleyand 1 other13G/A4.40%5.71M shares−3.40 ppfrom 7.80%Below 5%Jun 30, 2025SEC
Jul 17, 20257:44 PM ETBlackRock, Inc.13G/A1.40%1.76M shares–Below 5%Jun 30, 2025SEC
Jun 5, 20254:18 PM ETTolerantia, LLCand 1 other13D/A36.50%106.9M shares−1.50 ppfrom 38.00%Jun 3, 2025SEC
May 6, 20253:45 PM ETMorgan Stanleyand 1 other13G/A7.80%10.1M shares–Mar 31, 2025SEC
Feb 6, 20254:40 PM ETTolerantia, LLCand 1 other13D/A38.00%110.7M shares–Feb 4, 2025SEC
Nov 8, 2024BlackRock, Inc.13GOld format–––SEC
Nov 8, 2024Morgan Stanley13G/AOld format–––SEC
Oct 22, 2024Suvretta Capital Management, LLC13G/AOld format–––SEC
Oct 18, 2024BlackRock, Inc.13GOld format–New–SEC
Jun 25, 2024Control Empresarial de Capitales S.A. de C.V.13D/AOld format–––SEC
Jun 14, 2024Tolerantia, LLC13D/AOld format–––SEC
Feb 13, 2024Suvretta Capital Management, LLC13G/AOld format–––SEC
Feb 9, 2024Morgan Stanley13G/AOld format–––SEC
Feb 6, 2024Tolerantia, LLC13D/AOld format–––SEC
Nov 20, 2023Palihapitiya Chamath13D/AOld format–––SEC
Nov 6, 2023Palihapitiya Chamath13D/AOld format–––SEC
Nov 2, 2023Tolerantia, LLC13DOld format–––SEC
Oct 27, 2023Palihapitiya Chamath13D/AOld format–––SEC
Oct 19, 2023Palihapitiya Chamath13D/AOld format–––SEC
Sep 21, 2023Palihapitiya Chamath13D/AOld format–––SEC
Feb 14, 2023Sculptor Capital LP13G/AOld format–––SEC
Feb 13, 2023Suvretta Capital Management, LLC13G/AOld format–––SEC
Feb 10, 2023Integrated Core Strategies (US) LLC13G/AOld format–––SEC
Feb 10, 2023Morgan Stanley13G/AOld format–––SEC
Feb 9, 2023Adage Capital Partners GP, L.L.C.13G/AOld format–––SEC
Sep 12, 2022Morgan Stanley13GOld format–New–SEC
Jul 22, 2022Control Empresarial de Capitales S.A. de C.V.13DOld format–New–SEC
Jul 22, 2022Tolerantia, LLC13DOld format–New–SEC
Jul 22, 2022Suvretta Capital Management, LLC13GOld format–New–SEC
Jul 21, 2022SCS Sponsor III LLC13G/AOld format–––SEC
Jul 20, 2022Palihapitiya Chamath13DOld format–New–SEC
Feb 9, 2022SCS Sponsor III LLC13GOld format–New–SEC
Jan 25, 2022Integrated Core Strategies (US) LLC13G/AOld format–––SEC
Dec 29, 2021Sculptor Capital LP13GOld format–New–SEC
Jul 12, 2021Adage Capital Partners GP, L.L.C.13GOld format–New–SEC
Jul 8, 2021Integrated Core Strategies (US) LLC13GOld format–New–SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Prokidney Corp. shares.

No Form 144 notices for Prokidney Corp. are on file.