Millennium Management
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Millennium Management’s ProKidney PROK Stock Holding History

Millennium Management’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
Q1 		$4.07M Buy
2,271,577
+437,041
+24% +$927K ﹤0.01% 3177
2025
Q4 		$4.11M Sell
1,834,536
-121,842
-6% -$320K ﹤0.01% 3223
2025
Q3 		$4.73M Buy
+1,956,378
New +$5.21M ﹤0.01% 3206
2024
Q3 		– Sell
-91,873
Closed -$226K – 6391
2024
Q2 		$226K Sell
91,873
-455,042
-83% -$1.22M ﹤0.01% 5070
2024
Q1 		$897K Sell
546,915
-91,199
-14% -$134K ﹤0.01% 4389
2023
Q4 		$1.14M Buy
638,114
+424,368
+199% +$910K ﹤0.01% 4058
2023
Q3 		$979K Buy
+213,746
New +$2.05M ﹤0.01% 4207
2023
Q2 		– Sell
-102,059
Closed -$1.16M – 6567
2023
Q1 		$1.16M Buy
+102,059
New +$1.09M ﹤0.01% 3957
2022
Q3 		– Sell
-1,480,446
Closed -$14.8M – 7400
2022
Q2 		$14.8M Sell
1,480,446
-331,515
-18% -$3.28M 0.01% 1602
2022
Q1 		$17.9M Buy
1,811,961
+439,308
+32% +$4.33M 0.01% 1502
2021
Q4 		$13.6M Sell
1,372,653
-95,349
-6% -$943K 0.01% 1815
2021
Q3 		$14.4M Sell
1,468,002
-103,167
-7% -$1.02M 0.01% 1627
2021
Q2 		$15.9M Buy
+1,571,169
New +$15.9M 0.01% 1420

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
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
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Millennium Management's PROK Position: Q1 2026 in Review

Millennium Management increased its ProKidney (PROK) stake by 24% in Q1 2026, buying an estimated $927K and bringing the position to 2,271,577 shares worth $4.07M. The position accounts for ﹤0.01% of the portfolio, ranked #3177.

Millennium Management first reported a position in PROK in Q2 2021 and has held it in 13 quarters since. The position peaked at $17.9M in Q1 2022. 71 funds tracked by Wall St. Rank hold PROK as of Q1 2026.

  • Millennium Management held 2,271,577 shares of ProKidney worth $4.07M as of Q1 2026.
  • Millennium Management bought 437,041 ProKidney shares in Q1 2026, an estimated $927K.
  • ProKidney made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #3177 holding.
  • Millennium Management first reported a position in ProKidney in Q2 2021 and has held it in 13 quarters since.
  • Millennium Management's ProKidney position peaked at $17.9M in Q1 2022.
  • 71 funds tracked by Wall St. Rank held ProKidney as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.