CJ
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Caitlin John’s ProKidney PROK Stock Holding History

Caitlin John’s Portfolio PROK Stock Details PROK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-17
Closed -$255 – 984
2025
Q3 		$255 Buy
+17
New +$45 ﹤0.01% 842

Other funds holding PROK

SCM
Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BL
Bleichroeder LP New York $579M AUM 94.36% 1-Year Est. Return
AGP
Artia Global Partners Miami, Florida $499M AUM 186.05% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
HWAM
Hennion & Walsh Asset Management Parsippany, New Jersey $3.5B AUM 41.95% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BU
Brown University Providence, Rhode Island $102M AUM 26.79% 1-Year Est. Return

Caitlin John's PROK Position: Q4 2025 in Review

Caitlin John sold out of ProKidney (PROK) in Q4 2025, closing a stake of 350 shares — an estimated $920 sold.

Caitlin John first reported a position in PROK in Q3 2025 and held it in 1 quarter. The position peaked at $847 in Q3 2025. 63 funds tracked by Wall St. Rank hold PROK as of Q4 2025.

  • Caitlin John reported no remaining ProKidney position as of Q4 2025 after selling out during the quarter.
  • Caitlin John sold 350 ProKidney shares in Q4 2025, an estimated $920.
  • Caitlin John first reported a position in ProKidney in Q3 2025 and held it in 1 quarter.
  • Caitlin John's ProKidney position peaked at $847 in Q3 2025.
  • 63 funds tracked by Wall St. Rank held ProKidney as of Q4 2025.

Based on Caitlin John's 13F filing for Q4 2025, filed 18 Feb 2026.