Letko, Brosseau & Associates’s ProKidney PROK Stock Holding History

Letko, Brosseau & Associates’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	$28.5K	Hold	15,900	–	–	﹤0.01%	99
2025 Q4	$35.6K	Hold	15,900	–	–	﹤0.01%	100
2025 Q3	$38.5K	Buy	+15,900	New	+$42.3K	﹤0.01%	98
2025 Q2	–	Sell	-15,900	Closed	-$13.9K	–	98
2025 Q1	$13.9K	Hold	15,900	–	–	﹤0.01%	89
2024 Q4	$26.9K	Hold	15,900	–	–	﹤0.01%	99
2024 Q3	$30.5K	Hold	15,900	–	–	﹤0.01%	100
2024 Q2	$39.1K	Hold	15,900	–	–	﹤0.01%	102
2024 Q1	$26.1K	Hold	15,900	–	–	﹤0.01%	101
2023 Q4	$28.3K	Hold	15,900	–	–	﹤0.01%	95
2023 Q3	$72.8K	Hold	15,900	–	–	﹤0.01%	95
2023 Q2	$178K	Buy	+15,900	New	+$169K	﹤0.01%	89

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

Renaissance Technologies New York $63.9B AUM 45.56% 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

Letko, Brosseau & Associates's PROK Position: Q1 2026 in Review

Letko, Brosseau & Associates held its ProKidney (PROK) position steady in Q1 2026 at 15,900 shares worth $28.5K. The position accounts for ﹤0.01% of the portfolio, ranked #99.

Letko, Brosseau & Associates first reported a position in PROK in Q2 2023 and has held it in 11 quarters since. The position peaked at $178K in Q2 2023. 71 funds tracked by Wall St. Rank hold PROK as of Q1 2026.

Letko, Brosseau & Associates held 15,900 shares of ProKidney worth $28.5K as of Q1 2026.
Letko, Brosseau & Associates left its ProKidney share count unchanged in Q1 2026.
ProKidney made up ﹤0.01% of Letko, Brosseau & Associates's portfolio in Q1 2026, its #99 holding.
Letko, Brosseau & Associates first reported a position in ProKidney in Q2 2023 and has held it in 11 quarters since.
Letko, Brosseau & Associates's ProKidney position peaked at $178K in Q2 2023.
71 funds tracked by Wall St. Rank held ProKidney as of Q1 2026.

Based on Letko, Brosseau & Associates's 13F filing for Q1 2026, filed 12 May 2026.