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Of the 8 tracked institutions holding PROK, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +4.8pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 8 tracked institutional investors we monitor, PROK (PROKIDNEY CORP) is held with a combined value of $21.15M across 10,202,651 shares. The largest holder is BlackRock, Inc. with a position worth $10.60M. 2 funds opened new positions in the most recent quarter. 4 funds increased their holdings. 2 funds reduced their position.
Total Institutional Value
$21.15M
Total Shares Held
10,202,651
Institutional Holders
8
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $10.60M | 0.00% | +274.7% |
| 2 | VANGUARD GROUP INC | $3.69M | 0.00% | +5.4% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | $2.24M | 0.00% | -12.1% |
| 4 | MILLENNIUM MANAGEMENT LLC | $2.15M | 0.00% | -53.6% |
| 5 | STATE STREET CORP | $2.13M | 0.00% | +87.8% |
| 6 | FMR LLC | $171.78K | 0.00% | +721.2% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $127.00K | 0.00% | New |
| 8 | TWO SIGMA ADVISERS, LP | $24.42K | 0.00% | New |
SEC Schedule 13D (activist) and 13G (passive) filings for PROK. Filed when an investor acquires 5%+ ownership.
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of PROK with a position worth $10.60M, representing 0.00% of their portfolio. In total, 8 institutional investors hold PROK with a combined value of $21.15M.
In the most recent quarter, 2 funds opened a new position in PROK. Additionally, 4 increased their holdings and 2 reduced their positions.
Institutional investors hold $21.15M worth of PROK stock across 8 positions. The largest institutional holder is BlackRock, Inc. with $10.60M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For PROK, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their PROK positions.
Last Close
$1.44
2026-10-21
YTD
-35.4%
6% of 52-week range