Renaissance Technologies’s ProKidney PROK Stock Holding History

Renaissance Technologies’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	$2.24M	Buy	1,250,794 +355,089	+40%	+$753K	﹤0.01%	1839
2025 Q4	$2.01M	Buy	895,705 +763,705	+579%	+$2.01M	﹤0.01%	1866
2025 Q3	$319K	Sell	132,000 -279,645	-68%	-$744K	﹤0.01%	2974
2025 Q2	$244K	Buy	411,645 +253,145	+160%	+$197K	﹤0.01%	3109
2025 Q1	$139K	Buy	158,500 +53,300	+51%	+$74K	﹤0.01%	3142
2024 Q4	$178K	Buy	105,200 +59,000	+128%	+$106K	﹤0.01%	3195
2024 Q3	$88.7K	Buy	+46,200	New	+$105K	﹤0.01%	3275
2024 Q2	–	Sell	-95,171	Closed	-$156K	–	3872
2024 Q1	$156K	Sell	95,171 -24,829	-21%	-$36.5K	﹤0.01%	3283
2023 Q4	$214K	Buy	+120,000	New	+$257K	﹤0.01%	3113

Other funds holding PROK

SCM

Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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 New York $5.72T AUM 30.48% 1-Year Est. Return

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 London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Renaissance Technologies's PROK Position: Q1 2026 in Review

Renaissance Technologies increased its ProKidney (PROK) stake by 40% in Q1 2026, buying an estimated $753K and bringing the position to 1,250,794 shares worth $2.24M. The position accounts for ﹤0.01% of the portfolio, ranked #1839.

Renaissance Technologies first reported a position in PROK in Q4 2023 and has held it in 9 quarters since. 71 funds tracked by Wall St. Rank hold PROK as of Q1 2026.

Renaissance Technologies held 1,250,794 shares of ProKidney worth $2.24M as of Q1 2026.
Renaissance Technologies bought 355,089 ProKidney shares in Q1 2026, an estimated $753K.
ProKidney made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1839 holding.
Renaissance Technologies first reported a position in ProKidney in Q4 2023 and has held it in 9 quarters since.
71 funds tracked by Wall St. Rank held ProKidney as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.