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ProKidney
PROK

56 hedge funds and large institutions have $20.9M invested in ProKidney in 2025 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 14 increasing their positions, 16 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

9.87% less ownership

Funds ownership: 37.05% → 27.19% (-9.9%)

13% less repeat investments, than reductions

Existing positions increased: 14 | Existing positions reduced: 16

19% less funds holding

Funds holding: 69 → 56 (-13)

39% less first-time investments, than exits

New positions opened: 20 | Existing positions closed: 33

50% less capital invested

Capital invested by funds: $42M → $20.9M (-$21.2M)

Holders
56
Holders Change
-13
Holders Change %
-18.84%
% of All Funds
0.74%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
20
Increased
14
Reduced
16
Closed
33
Calls
$66K
Puts
–
Net Calls
+$66K
Net Calls Change
+$68K

Top Buyers

Rank Fund Capital Flow
1
JP Morgan Chase
JP Morgan Chase
New York
+$1.26M
2
Jane Street
Jane Street
New York
+$461K
3
GCP
GSA Capital Partners
United Kingdom
+$398K
4
Marshall Wace
Marshall Wace
United Kingdom
+$362K
5
Goldman Sachs
Goldman Sachs
New York
+$283K

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$3.89M
2
Morgan Stanley
Morgan Stanley
New York
-$3.39M
3
Vanguard Group
Vanguard Group
Pennsylvania
-$2.84M
4
State Street
State Street
Massachusetts
-$1.07M
5
Geode Capital Management
Geode Capital Management
Massachusetts
-$1.02M
Name Holding Trade Value Shares
Change 		Change in
Stake
LBA
76
Letko, Brosseau & Associates
Quebec, Canada
– -$13.9K -15,900 Closed
HSBC Holdings
77
HSBC Holdings
United Kingdom
– -$11.5K -12,893 Closed
ZIG
78
Zullo Investment Group
Pennsylvania
– -$11.1K -12,620 Closed
Ameriprise
79
Ameriprise
Minnesota
– -$9.98K -11,388 Closed
Legal & General Group
80
Legal & General Group
United Kingdom
– -$9.57K -10,925 Closed
VPIM
81
Vanguard Personalized Indexing Management
California
– -$9.3K -10,616 Closed
AIP
82
Ameritas Investment Partners
Nebraska
– -$9.22K -10,523 Closed
SO
83
STRS Ohio
Ohio
– -$7.8K -8,900 Closed
California State Teachers Retirement System (CalSTRS)
84
California State Teachers Retirement System (CalSTRS)
California
– -$7.28K -8,311 Closed
AB
85
Amalgamated Bank
New York
– -$3K -3,784 Closed
SCM
86
Sterling Capital Management
North Carolina
– -$448 -511 Closed
PNC Financial Services Group
87
PNC Financial Services Group
Pennsylvania
– -$216 -247 Closed
S
88
SignatureFD
Georgia
– -$131 -150 Closed
1 2 3
4

PROK Hedge Fund Activity: Q2 2025 in Review

56 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in ProKidney (PROK) for Q2 2025, worth a combined $20.9M — down 50% from $42M a quarter earlier.

Sellers outnumbered buyers: 33 funds closed out of PROK and 20 opened new positions — a net loss of 13 holders — while 16 trimmed existing stakes and 14 added.

The largest buyer was JP Morgan Chase, adding an estimated $1.26M. The largest seller was BlackRock, cutting an estimated $3.89M.

  • 56 institutional investors held ProKidney (PROK) as of Q2 2025, down from 69 in Q1 2025.
  • Funds reported $20.9M of ProKidney stock for Q2 2025, down 50% quarter-over-quarter.
  • 20 funds opened new ProKidney positions in Q2 2025 and 33 closed out, a net change of -13 holders.
  • The largest ProKidney buyer in Q2 2025 was JP Morgan Chase, an estimated $1.26M added.
  • The largest ProKidney seller in Q2 2025 was BlackRock, an estimated $3.89M sold.

Based on aggregated 13F filings for Q2 2025.