Jane Street
PROK icon

Jane Street’s ProKidney PROK Stock Holding History

Jane Street’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
2026
Q2 		$74.3K Hold
36,400
– – ﹤0.01% 10760
2026
Q1 		$65.2K Buy
36,400
+20,500
+129% +$43.5K ﹤0.01% 10867
2025
Q4 		$35.6K Buy
15,900
+4,800
+43% +$12.6K ﹤0.01% 10600
2025
Q3 		$26.9K Buy
+11,100
New +$29.5K ﹤0.01% 10481

Other funds holding PROK

SCM
Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BL
Bleichroeder LP New York $559M AUM 83.7% 1-Year Est. Return
HWAM
Hennion & Walsh Asset Management Parsippany, New Jersey $3.5B AUM 41.95% 1-Year Est. Return
AGP
Artia Global Partners Miami, Florida $542M AUM 206.64% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Jane Street's PROK Position: Q2 2026 in Review

Jane Street reduced its ProKidney (PROK) stake by 85% in Q2 2026, selling an estimated $411K and leaving 39,941 shares worth $81.5K. The position accounts for ﹤0.01% of the portfolio, ranked #10714.

Jane Street first reported a position in PROK in Q2 2021 and has held it in 17 quarters since. The position peaked at $1.52M in Q2 2021. 71 funds tracked by Wall St. Rank hold PROK as of Q2 2026.

  • Jane Street held 39,941 shares of ProKidney worth $81.5K as of Q2 2026.
  • Jane Street sold 224,344 ProKidney shares in Q2 2026, an estimated $411K.
  • ProKidney made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10714 holding.
  • Jane Street first reported a position in ProKidney in Q2 2021 and has held it in 17 quarters since.
  • Jane Street's ProKidney position peaked at $1.52M in Q2 2021.
  • 71 funds tracked by Wall St. Rank held ProKidney as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.