ZIG
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Zullo Investment Group’s ProKidney PROK Stock Holding History

Zullo Investment Group’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
-11,620
Closed -$28.1K – 155
2025
Q3 		$28.1K Buy
+11,620
New +$30.9K 0.01% 152
2025
Q2 		– Sell
-12,620
Closed -$11.1K – 156
2025
Q1 		$11.1K Buy
12,620
+500
+4% +$694 ﹤0.01% 146
2024
Q4 		$20.5K Sell
12,120
-8,300
-41% -$15K 0.01% 148
2024
Q3 		$39.2K Hold
20,420
– – 0.02% 149
2024
Q2 		$50.2K Buy
20,420
+1,000
+5% +$2.68K 0.02% 149
2024
Q1 		$31.8K Buy
+19,420
New +$28.5K 0.01% 153

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

Zullo Investment Group's PROK Position: Q4 2025 in Review

Zullo Investment Group sold out of ProKidney (PROK) in Q4 2025, closing a stake of 11,620 shares — an estimated $28.1K sold.

Zullo Investment Group first reported a position in PROK in Q1 2024 and held it in 6 quarters. The position peaked at $50.2K in Q2 2024. 63 funds tracked by Wall St. Rank hold PROK as of Q4 2025.

  • Zullo Investment Group reported no remaining ProKidney position as of Q4 2025 after selling out during the quarter.
  • Zullo Investment Group sold 11,620 ProKidney shares in Q4 2025, an estimated $28.1K.
  • Zullo Investment Group first reported a position in ProKidney in Q1 2024 and held it in 6 quarters.
  • Zullo Investment Group's ProKidney position peaked at $50.2K in Q2 2024.
  • 63 funds tracked by Wall St. Rank held ProKidney as of Q4 2025.

Based on Zullo Investment Group's 13F filing for Q4 2025, filed 26 Jan 2026.