Citigroup
PROK icon

Citigroup’s ProKidney PROK Stock Holding History

Citigroup’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 		$88.4K Sell
49,384
-12,343
-20% -$26.2K ﹤0.01% 4331
2025
Q4 		$138K Buy
61,727
+59,433
+2,591% +$156K ﹤0.01% 4168
2025
Q3 		$5.55K Sell
2,294
-16,243
-88% -$43.2K ﹤0.01% 5209
2025
Q2 		$11K Sell
18,537
-60,313
-76% -$47K ﹤0.01% 5174
2025
Q1 		$69.1K Sell
78,850
-8,273
-9% -$11.5K ﹤0.01% 4780
2024
Q4 		$147K Buy
87,123
+11,973
+16% +$21.6K ﹤0.01% 4622
2024
Q3 		$144K Buy
75,150
+2,001
+3% +$4.54K ﹤0.01% 4576
2024
Q2 		$180K Buy
73,149
+64,499
+746% +$173K ﹤0.01% 3942
2024
Q1 		$14.2K Buy
8,650
+2,118
+32% +$3.11K ﹤0.01% 5121
2023
Q4 		$11.6K Buy
6,532
+6,447
+7,585% +$13.8K ﹤0.01% 5157
2023
Q3 		$389 Sell
85
-19,063
-100% -$182K ﹤0.01% 5243
2023
Q2 		$214K Buy
19,148
+18,375
+2,377% +$196K ﹤0.01% 3861
2023
Q1 		$8.75K Buy
773
+6
+0.8% +$64 ﹤0.01% 4789
2022
Q4 		$5.26K Buy
+767
New +$7.33K ﹤0.01% 5022
2022
Q2 		– Sell
-47,100
Closed -$465K – 6568
2022
Q1 		$465K Sell
47,100
-100
-0.2% -$986 ﹤0.01% 3573
2021
Q4 		$467K Hold
47,200
– – ﹤0.01% 3848
2021
Q3 		$463K Buy
+47,200
New +$465K ﹤0.01% 3667

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
Millennium Management
Millennium Management New York $240B AUM 35.51% 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

Citigroup's PROK Position: Q1 2026 in Review

Citigroup reduced its ProKidney (PROK) stake by 20% in Q1 2026, selling an estimated $26.2K and leaving 49,384 shares worth $88.4K. The position accounts for ﹤0.01% of the portfolio, ranked #4331.

Citigroup first reported a position in PROK in Q3 2021 and has held it in 17 quarters since. The position peaked at $467K in Q4 2021. 71 funds tracked by Wall St. Rank hold PROK as of Q1 2026.

  • Citigroup held 49,384 shares of ProKidney worth $88.4K as of Q1 2026.
  • Citigroup sold 12,343 ProKidney shares in Q1 2026, an estimated $26.2K.
  • ProKidney made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #4331 holding.
  • Citigroup first reported a position in ProKidney in Q3 2021 and has held it in 17 quarters since.
  • Citigroup's ProKidney position peaked at $467K in Q4 2021.
  • 71 funds tracked by Wall St. Rank held ProKidney as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.