Prokidney
PROK · NASDAQ
$1.44+$0.045 (+3.23%)TodayMarket closed ·
Prev close $1.40
Who owns PROK
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 44.8% of PROK’s shares.
- Control Empresarial de Capitales, S.A. de C.V.24.4%
- Tolerantia LLC7.5%
- Montanova Capital, LLC4.1%
- Morgan Stanley Investment Management Inc. (US)3.2%
- Next 6 largest institutions5.6%
- All other shareholders55.2%
| Holder | Shares | % of shares |
|---|---|---|
| Control Empresarial de Capitales, S.A. de C.V. | 73.84M | 24.45% |
| Tolerantia LLC | 22.62M | 7.49% |
| Montanova Capital, LLC | 12.34M | 4.09% |
| Morgan Stanley Investment Management Inc. (US) | 9.64M | 3.19% |
| BlackRock Institutional Trust Company, N.A. | 4.79M | 1.59% |
| BlackRock Mexico Operadora SA de CV SOFI | 3.43M | 1.14% |
| Operadora de Fondos GBM S.A.B. de C.V. | 2.45M | 0.81% |
| Geode Capital Management, L.L.C. | 2.39M | 0.79% |
| Bleichroeder LP | 2.00M | 0.66% |
| Hennion & Walsh Asset Management, Inc. | 1.85M | 0.61% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Administrado 5 SA de CV FIRV | 3.43M | 1.14% |
| iShares Russell 2000 ETF | 1.72M | 0.57% |
| Vanguard Extended Market Index Fund | 1.28M | 0.42% |
| Morgan Stanley Insight Fund | 1.12M | 0.37% |
| Brighthouse Morgan Stanley Discovery Port | 1.08M | 0.36% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $1.07M (6 trades) of PROK on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Pereira Brian JG | Sale | 27.05K | $38.41K |
| Pereira Brian JG | Sale | 222.95K | $316.56K |
| Pereira Brian JG | Sale | 27.05K | $38.97K |
| Pereira Brian JG | Sale | 222.95K | $321.20K |
| Pereira Brian JG | Sale | 27.83K | $38.16K |
| Pereira Brian JG | Sale | 229.34K | $314.47K |
| Pereira Brian JG | Other | 675.24K | — |
| Pereira Brian JG | Other | 675.24K | — |
| Pereira Brian JG | Other | 81.93K | — |
| Pereira Brian JG | Other | 81.93K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 23.79M
- Days to cover
- 10.97
- % of shares outstanding
- 7.87%
- Average daily volume
- 2.17M
- Change since last report
- +10.9%
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