Mariner
PROK icon

Mariner’s ProKidney PROK Stock Holding History

Mariner’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
Q1 		– Sell
-38,119
Closed -$64.4K – 3552
2024
Q4 		$64.4K Sell
38,119
-15,937
-29% -$28.7K ﹤0.01% 3259
2024
Q3 		$104K Buy
54,056
+2,225
+4% +$5.05K ﹤0.01% 3083
2024
Q2 		$128K Buy
51,831
+16,749
+48% +$45K ﹤0.01% 2900
2024
Q1 		$57.5K Buy
35,082
+17,423
+99% +$25.6K ﹤0.01% 3009
2023
Q4 		$31.4K Buy
+17,659
New +$37.9K ﹤0.01% 2977

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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BL
Bleichroeder LP New York $579M AUM 94.36% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BU
Brown University Providence, Rhode Island $102M AUM 26.79% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
HWAM
Hennion & Walsh Asset Management Parsippany, New Jersey $3.5B AUM 41.95% 1-Year Est. Return

Mariner's PROK Position: Q1 2025 in Review

Mariner sold out of ProKidney (PROK) in Q1 2025, closing a stake of 38,119 shares — an estimated $64.4K sold.

Mariner first reported a position in PROK in Q4 2023 and held it in 5 quarters. The position peaked at $128K in Q2 2024. 69 funds tracked by Wall St. Rank hold PROK as of Q1 2025.

  • Mariner reported no remaining ProKidney position as of Q1 2025 after selling out during the quarter.
  • Mariner sold 38,119 ProKidney shares in Q1 2025, an estimated $64.4K.
  • Mariner first reported a position in ProKidney in Q4 2023 and held it in 5 quarters.
  • Mariner's ProKidney position peaked at $128K in Q2 2024.
  • 69 funds tracked by Wall St. Rank held ProKidney as of Q1 2025.

Based on Mariner's 13F filing for Q1 2025, filed 15 May 2025.