Prokidney PROK Institutional Ownership

NASDAQ PROK

$1.44 +0.00 (+0.00%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

71 Institutions

Increased 47 66.2%

Unchanged 13 18.3%

Reduced 11 15.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

23.34%

▼-7.41 pp QoQ

Shares Held by Institutions

48.76Mn

of 208.93Mn outstanding

▲+11.68% QoQ

Shares Outstanding

208.93Mn

160.17Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+5.10Mn

accumulated since last quarter

Value of Holdings

$70.21Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Prokidney Corp. (NASDAQ:PROK) had 71 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Collectively, these holders controlled 23.34% of Prokidney's outstanding shares in Q2 2026, down from 30.75% in Q1 2026.
Total shares held in Prokidney rose 11.68% from Q1 2026, while the number of holders rose 26.79% from Q2 2025.
Looking at the 71 holders of PROK individually, 47 added to their positions, 11 reduced their stakes and 13 left their positions unchanged.
Combined, institutional investors held 48.76Mn shares of PROK as of Q2 2026, up 5.1Mn from the prior quarter and up 19.51Mn from a year earlier.
As of June 30, 2026, the biggest holder of Prokidney was Montanova Capital, LLC with 12.34Mn shares, or 5.91% of shares outstanding.
Holders that added the most shares of Prokidney in Q2 2026 were BlackRock, Inc. (+3.81Mn shares), Geode Capital Management, LLC (+1.16Mn shares), Morgan Stanley (+898.21K shares), State Street Corp (+489.1K shares) and Northern Trust Corp (+423.25K shares).
Among holders that kept a stake in Prokidney, the biggest sellers in Q2 2026 were Millennium Management LLC (-1.22Mn shares), Jane Street Group, LLC (-224.34K shares), Goldman Sachs Group Inc (-218.9K shares), Bank of America Corp (-208.25K shares) and Renaissance Technologies LLC (-151.39K shares).
Prokidney's 10 largest institutional shareholders as of Q2 2026 were Montanova Capital, LLC (12.34Mn shares), Morgan Stanley (9.85Mn shares), BlackRock, Inc. (5.2Mn shares), Geode Capital Management, LLC (2.39Mn shares), Bleichroeder LP (2Mn shares), Hennion & Walsh Asset Management, Inc. (1.85Mn shares), Artia Global Partners LP (1.81Mn shares), Vanguard Capital Management LLC (1.18Mn shares), Renaissance Technologies LLC (1.1Mn shares) and Millennium Management LLC (1.05Mn shares), per Business Quant data.

Form 13F Holdings

71 Institutional Holders

Report period 30 Jun, 2026

Total shares held 48.76Mn

Of outstanding 23.34%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MONTANOVA CAPITAL, LLC	0001569064	12,341,266	5.91%	0	0.00%	$25.18Mn
2	Morgan Stanley	0000895421	9,854,178	4.72%	▲898,211	+10.03%	$20.10Mn
3	BlackRock, Inc.	0002012383	5,197,227	2.49%	▲3,810,111	+274.68%	$10.60Mn
4	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,390,147	1.14%	▲1,159,738	+94.26%	$4.88Mn
5	Bleichroeder LP	0001781002	2,000,000	0.96%	0	0.00%	$4.08Mn
6	Hennion & Walsh Asset Management, Inc.	0001861642	1,847,749	0.88%	▲236,056	+14.65%	$3.77Mn
7	Artia Global Partners LP	0001937964	1,806,939	0.86%	0	0.00%	$3.69Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,175,257	0.56%	▲28,320	+2.47%	$2.40Mn
9	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,099,400	0.53%	▼151,394	-12.10%	$2.24Mn
10	MILLENNIUM MANAGEMENT LLC	0001273087	1,054,705	0.50%	▼1,216,872	-53.57%	$2.15Mn
11	State Street Corp	0000093751	1,045,945	0.50%	▲489,100	+87.83%	$2.13Mn
12	Brown University	0001664741	1,000,000	0.48%	0	0.00%	$2.04Mn
13	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	781,729	0.37%	▲153,958	+24.52%	$1.59Mn
14	UBS Group AG	0001610520	671,447	0.32%	▲336,901	+100.70%	$1.37Mn
15	Northern Trust Corp	0000073124	664,827	0.32%	▲423,247	+175.20%	$1.36Mn
16	MYDA Advisors LLC	0001589689	640,775	0.31%	▲212,000	+49.44%	$1.31Mn
17	VANGUARD FIDUCIARY TRUST CO	0000933478	632,149	0.30%	▲93,778	+17.42%	$1.29Mn
18	Bank Of America Corp /De/	0000070858	545,158	0.26%	▼208,254	-27.64%	$1.11Mn
19	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	517,082	0.25%	▲517,082	0.00%	$1.05Mn
20	Voleon Capital Management LP	0001479847	473,307	0.23%	▲370,609	+360.87%	$965.55K

Showing 1 to 20 of 71 holders