AI Holders Summary · Q1 2026

29 institutions reported PTN in Q1 2026. JANUS HENDERSON GROUP PLC leads at 22.4% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

JANUS HENDERSON GROUP PLC

CIK 0001274173

$2M140K0.00%Q1 2026 02

DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206

$2M167K0.01%Q2 2026 03

Jupiter Topco LLC

CIK 0002146052

$2M140K0.00%Q2 2026 04

Logos Global Management LP

CIK 0001792126

$1M130K0.06%Q2 2026 05

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$1M62K0.02%Q1 2026 06

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$670K62K0.01%Q2 2026 07

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$444K41K0.00%Q2 2026 08

MORGAN STANLEY

CIK 0000895421

$294K27K0.00%Q2 2026 09

Opaleye Management Inc.

CIK 0001595855

$221K21K0.02%Q2 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$209K19K0.00%Q2 2026 11

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$204K19K0.00%Q2 2026 12

Miller Financial Services LLC

CIK 0002022893

$162K15K0.13%Q2 2026 13

LPL Financial LLC

CIK 0001403438

$135K13K0.00%Q2 2026 14

Woodline Partners LP

CIK 0001784547

$121K11K0.00%Q2 2026 15

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$95K9K0.00%Q2 2026 16

BlackRock, Inc.

CIK 0002012383

$61K6K0.00%Q2 2026 17

UBS Group AG

CIK 0001610520

$32K3K0.00%Q2 2026 18

Vanguard Global Advisers, LLC

CIK 0001811242· Index

$13K1K0.00%Q2 2026 19

Tower Research Capital LLC (TRC)

CIK 0001533421

$6K5930.00%Q2 2026 20

OSAIC HOLDINGS, INC.

CIK 0001677044

$2K1700.00%Q2 2026

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