AI Holders Summary · Q2 2026

268 institutions reported TARS in Q2 2026. BlackRock, Inc. leads at 10.6% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$243M3.9M0.00%Q2 2026 02

Deep Track Capital, LP

CIK 0001856083

$231M3.7M3.36%Q2 2026 03

RTW INVESTMENTS, LP

CIK 0001493215

$211M3.4M1.80%Q2 2026 04

Jupiter Topco LLC

CIK 0002146052

$177M2.8M0.07%Q2 2026 05

Paradigm Biocapital Advisors LP

CIK 0001855655

$175M2.8M3.27%Q2 2026 06

JANUS HENDERSON GROUP PLC

CIK 0001274173

$157M2.2M0.08%Q1 2026 07

Assenagon Asset Management S.A.

CIK 0001546007· Quasi-passive

$119M1.9M0.07%Q2 2026 08

MORGAN STANLEY

CIK 0000895421

$115M1.8M0.01%Q2 2026 09

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$113M1.8M0.00%Q2 2026 10

JENNISON ASSOCIATES LLC

CIK 0000053417

$105M1.7M0.06%Q2 2026 11

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$92M1.5M0.03%Q2 2026 12

TANG CAPITAL MANAGEMENT LLC

CIK 0001232621

$83M1.2M4.23%Q1 2026 13

BANK OF AMERICA CORP /DE/

CIK 0000070858

$75M1.2M0.00%Q2 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$70M1.1M0.00%Q2 2026 15

STATE STREET CORP

CIK 0000093751

$68M1.1M0.00%Q2 2026 16

LORD, ABBETT & CO. LLC

CIK 0000728100

$59M842K0.19%Q1 2026 17

D. E. Shaw & Co., Inc.

CIK 0001009207

$50M615K0.03%Q4 2025 18

Invesco Ltd.

CIK 0000914208

$49M786K0.00%Q2 2026 19

GOLDMAN SACHS GROUP INC

CIK 0000886982

$47M743K0.00%Q2 2026 20

Frazier Life Sciences Management, L.P.

CIK 0001892134

$46M729K1.00%Q2 2026

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