Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PROK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | SUVRETTA CAPITAL MANAGEMENT, LLC | 12.3M | $22.1M | 0.0% | 8.692% | 0.60% |
| 2 | MORGAN STANLEY | 9.0M | $16.0M | +1.6% | 6.308% | 0.00% |
| 3 | MILLENNIUM MANAGEMENT LLC | 2.3M | $4.1M | +23.8% | 1.600% | 0.00% |
| 4 | Bleichroeder LP | 2.0M | $3.6M | 0.0% | 1.409% | 0.62% |
| 5 | Artia Global Partners LP | 1.8M | $3.2M | -1.7% | 1.273% | 0.66% |
| 6 | BlackRock, Inc. | 1.4M | $2.5M | -1.2% | 0.977% | 0.00% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 1.3M | $2.2M | +39.6% | 0.881% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $2.2M | +2.8% | 0.867% | 0.00% |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $2.1M | — | 0.808% | 0.00% |
| 10 | MARSHALL WACE, LLP | 1.0M | $1.8M | +65.2% | 0.713% | 0.00% |
| 11 | BANK OF AMERICA CORP /DE/ | 753K | $1.3M | +6.7% | 0.531% | 0.00% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 628K | $1.1M | +0.8% | 0.442% | 0.00% |
| 13 | STATE STREET CORP | 557K | $997K | +15.9% | 0.392% | 0.00% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 538K | $964K | — | 0.379% | 0.00% |
| 15 | Woodline Partners LP | 500K | $895K | 0.0% | 0.352% | 0.00% |
| 16 | MYDA Advisors LLC | 429K | $768K | -2.5% | 0.302% | 0.22% |
| 17 | GOLDMAN SACHS GROUP INC | 422K | $755K | -38.1% | 0.297% | 0.00% |
| 18 | TWO SIGMA INVESTMENTS, LP | 346K | $620K | -25.6% | 0.244% | 0.00% |
| 19 | UBS Group AG | 335K | $599K | -19.7% | 0.236% | 0.00% |
| 20 | Amundi | 292K | $522K | +7.1% | 0.205% | 0.00% |
| 21 | ExodusPoint Capital Management, LP | 254K | $455K | +97.4% | 0.179% | 0.00% |
| 22 | NORTHERN TRUST CORP | 242K | $432K | 0.0% | 0.170% | 0.00% |
| 23 | Squarepoint Ops LLC | 211K | $378K | -39.9% | 0.149% | 0.00% |
| 24 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 204K | $366K | -61.2% | 0.144% | 0.00% |
| 25 | BARCLAYS PLC | 146K | $262K | -14.0% | 0.103% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PROK — a direct measure of their conviction.
Filings activity in PROK during Q1 2026, grouped by how each filer changed its position.
4 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 65 | +8.3% | 31.09% | 7.81 pp | $72M | 20% |
| Q4 2025 | 60 | +15% | 38.90% | +5.79 pp | $91M | +17% |
| Q3 2025 | 52 | +940% | 33.11% | +32.98 pp | $77M | +24660% |
| Q2 2025 | 5 | — | 0.13% | — | $0M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PROK stock.
Based on Q1 2026 13F filings, institutional ownership of ProKidney Corp. stands at 31.1%, held across 65 reporting institutions.
SUVRETTA CAPITAL MANAGEMENT, LLC is the largest reported institutional holder of PROK, with approximately 12,341,266 shares worth $0.02B as of Q1 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of PROK, including MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for PROK is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
16 institutions opened new positions in PROK during Q1 2026, while 11 fully exited. 10 added to existing positions and 38 trimmed.
PROK institutional ownership fell by 7.81 percentage points quarter-over-quarter, with a net change of +5 holders.
The top 10 institutions account for 82.6% of all reported 13F value in PROK, and the top 25 account for 97.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
ProKidney Corp. (PROK) Institutional Ownership