ProKidney
PROK
63 hedge funds and large institutions have $96.2M invested in ProKidney in 2025 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 22 increasing their positions, 15 reducing their positions, and 11 closing their positions.
64% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 11
47% more repeat investments, than reductions
Existing positions increased: 22 | Existing positions reduced: 15
15% more capital invested
Capital invested by funds: $83.4M → $96.2M (+$12.8M)
13% more funds holding
Funds holding: 56 → 63 (+7)
4.82% more ownership
Funds ownership: 25.52% → 30.34% (+4.8%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
53% less call options, than puts
Call options by funds: $395K | Put options by funds: $836K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$5.44M |
| 2 |
AGP
Artia Global Partners
Miami,
Florida
|
+$4.83M |
| 3 |
Renaissance Technologies
New York
|
+$2.01M |
| 4 |
HWAM
Hennion & Walsh Asset Management
Parsippany,
New Jersey
|
+$1.54M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$1.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HF
HRT Financial
New York
|
-$511K |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$385K |
| 3 |
Millennium Management
New York
|
-$320K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$241K |
| 5 |
VF
Virtu Financial
New York
|
-$203K |
PROK Hedge Fund Activity: Q4 2025 in Review
63 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in ProKidney (PROK) for Q4 2025, worth a combined $96.2M — up 15% from $83.4M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new PROK positions and 11 closed out — a net gain of 7 holders — while 22 added to existing stakes and 15 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $5.44M. The largest seller was HRT Financial, exiting entirely with an estimated $511K sold.
- 63 institutional investors held ProKidney (PROK) as of Q4 2025, up from 56 in Q3 2025.
- Funds reported $96.2M of ProKidney stock for Q4 2025, up 15% quarter-over-quarter.
- 18 funds opened new ProKidney positions in Q4 2025 and 11 closed out, a net change of +7 holders.
- The largest ProKidney buyer in Q4 2025 was Morgan Stanley, an estimated $5.44M added.
- The largest ProKidney seller in Q4 2025 was HRT Financial, an estimated $511K sold.
Based on aggregated 13F filings for Q4 2025.