AI Holders Summary · Q1 2026

75 institutions reported PROK in Q1 2026. SUVRETTA CAPITAL MANAGEMENT, LLC leads at 24.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

SUVRETTA CAPITAL MANAGEMENT, LLC

CIK 0001569064

$22M12.3M0.56%Q1 2026 02

MORGAN STANLEY

CIK 0000895421

$20M9.9M0.00%Q2 2026 03

BlackRock, Inc.

CIK 0002012383

$11M5.2M0.00%Q2 2026 04

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$5M2.4M0.00%Q2 2026 05

Bleichroeder LP

CIK 0001781002

$4M2.0M0.73%Q2 2026 06

Hennion & Walsh Asset Management, Inc.

CIK 0001861642

$4M1.8M0.11%Q2 2026 07

Artia Global Partners LP

CIK 0001937964

$4M1.8M0.68%Q2 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$2M1.2M0.00%Q2 2026 09

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$2M1.1M0.00%Q2 2026 10

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$2M1.1M0.00%Q2 2026 11

STATE STREET CORP

CIK 0000093751

$2M1.0M0.00%Q2 2026 12

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$2M782K0.00%Q2 2026 13

UBS Group AG

CIK 0001610520

$1M671K0.00%Q2 2026 14

NORTHERN TRUST CORP

CIK 0000073124· Index

$1M665K0.00%Q2 2026 15

MYDA Advisors LLC

CIK 0001589689

$1M641K0.19%Q2 2026 16

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$1M632K0.00%Q2 2026 17

BANK OF AMERICA CORP /DE/

CIK 0000070858

$1M545K0.00%Q2 2026 18

Vanguard Portfolio Management

CIK 0002100121· Index

$1M517K0.00%Q2 2026 19

CITADEL ADVISORS LLC

CIK 0001423053

$974K435K0.00%Q4 2025 20

Voleon Capital Management LP

CIK 0001479847

$966K473K0.02%Q2 2026

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