BlackRock
PROK icon

BlackRock’s ProKidney PROK Stock Holding History

BlackRock’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 		$10.6M Buy
5,197,227
+3,810,111
+275% +$6.97M ﹤0.01% 3652
2026
Q1 		$2.48M Sell
1,387,116
-17,051
-1% -$36.2K ﹤0.01% 4074
2025
Q4 		$3.15M Buy
1,404,167
+126,964
+10% +$334K ﹤0.01% 3993
2025
Q3 		$3.09M Sell
1,277,203
-487,404
-28% -$1.3M ﹤0.01% 3961
2025
Q2 		$1.04M Sell
1,764,607
-5,000,177
-74% -$3.89M ﹤0.01% 4235
2025
Q1 		$5.93M Buy
6,764,784
+27,650
+0.4% +$38.4K ﹤0.01% 3576
2024
Q4 		$11.4M Buy
6,737,134
+323,444
+5% +$583K ﹤0.01% 3363
2024
Q3 		$12.3M Buy
6,413,690
+2,757,414
+75% +$6.26M ﹤0.01% 3302
2024
Q2 		$8.99M Buy
3,656,276
+924,617
+34% +$2.48M ﹤0.01% 3436
2024
Q1 		$4.48M Sell
2,731,659
-139,590
-5% -$205K ﹤0.01% 3716
2023
Q4 		$5.11M Buy
2,871,249
+58,613
+2% +$126K ﹤0.01% 3684
2023
Q3 		$12.9M Sell
2,812,636
-504,337
-15% -$4.83M ﹤0.01% 3178
2023
Q2 		$37.1M Buy
3,316,973
+3,009,342
+978% +$32M ﹤0.01% 2670
2023
Q1 		$3.48M Buy
307,631
+101,947
+50% +$1.09M ﹤0.01% 3794
2022
Q4 		$1.41M Buy
205,684
+96,882
+89% +$925K ﹤0.01% 4282
2022
Q3 		$980K Buy
+108,802
New +$947K ﹤0.01% 4485

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
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

BlackRock's PROK Position: Q2 2026 in Review

BlackRock increased its ProKidney (PROK) stake by 275% in Q2 2026, buying an estimated $6.97M and bringing the position to 5,197,227 shares worth $10.6M. The position accounts for ﹤0.01% of the portfolio, ranked #3652.

BlackRock first reported a position in PROK in Q3 2022 and has held it in 16 quarters since. The position peaked at $37.1M in Q2 2023. 71 funds tracked by Wall St. Rank hold PROK as of Q2 2026.

  • BlackRock held 5,197,227 shares of ProKidney worth $10.6M as of Q2 2026.
  • BlackRock bought 3,810,111 ProKidney shares in Q2 2026, an estimated $6.97M.
  • ProKidney made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #3652 holding.
  • BlackRock first reported a position in ProKidney in Q3 2022 and has held it in 16 quarters since.
  • BlackRock's ProKidney position peaked at $37.1M in Q2 2023.
  • 71 funds tracked by Wall St. Rank held ProKidney as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.