Bleichroeder LP’s ProKidney PROK Stock Holding History

Bleichroeder LP’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	$4.08M	Hold	2,000,000	–	–	0.73%	22
2026 Q1	$3.58M	Hold	2,000,000	–	–	0.62%	21
2025 Q4	$4.48M	Hold	2,000,000	–	–	0.79%	18
2025 Q3	$4.84M	Hold	2,000,000	–	–	0.94%	15
2025 Q2	$1.18M	Hold	2,000,000	–	–	0.29%	29
2025 Q1	$1.75M	Hold	2,000,000	–	–	0.47%	22
2024 Q4	$3.38M	Buy	2,000,000 +155,000	+8%	+$279K	0.85%	17
2024 Q3	$3.54M	Sell	1,845,000 -767,500	-29%	-$1.74M	0.95%	14
2024 Q2	$6.43M	Buy	2,612,500 +612,500	+31%	+$1.64M	1.91%	12
2024 Q1	$3.28M	Hold	2,000,000	–	–	0.82%	19
2023 Q4	$3.56M	Hold	2,000,000	–	–	0.79%	19
2023 Q3	$9.16M	Hold	2,000,000	–	–	2.26%	11
2023 Q2	$22.4M	Hold	2,000,000	–	–	4.54%	6
2023 Q1	$22.6M	Hold	2,000,000	–	–	4.83%	5
2022 Q4	$13.7M	Hold	2,000,000	–	–	2.98%	10
2022 Q3	$18M	Buy	+2,000,000	New	+$17.4M	3.76%	8

Other funds holding PROK

SCM

Suvretta Capital Management New York $5.47B AUM 131.34% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 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 Malvern, Pennsylvania $4.68T AUM

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

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

Bleichroeder LP's PROK Position: Q2 2026 in Review

Bleichroeder LP held its ProKidney (PROK) position steady in Q2 2026 at 2,000,000 shares worth $4.08M. The position accounts for 0.73% of the portfolio, ranked #22.

Bleichroeder LP first reported a position in PROK in Q3 2022 and has held it in 16 quarters since. The position peaked at $22.6M in Q1 2023. 71 funds tracked by Wall St. Rank hold PROK as of Q2 2026.

Bleichroeder LP held 2,000,000 shares of ProKidney worth $4.08M as of Q2 2026.
Bleichroeder LP left its ProKidney share count unchanged in Q2 2026.
ProKidney made up 0.73% of Bleichroeder LP's portfolio in Q2 2026, its #22 holding.
Bleichroeder LP first reported a position in ProKidney in Q3 2022 and has held it in 16 quarters since.
Bleichroeder LP's ProKidney position peaked at $22.6M in Q1 2023.
71 funds tracked by Wall St. Rank held ProKidney as of Q2 2026.

Based on Bleichroeder LP's 13F filing for Q2 2026, filed 13 Aug 2026.