AI Holders Summary · Q1 2026

212 institutions reported ALLO in Q1 2026. PFIZER INC leads at 15.3% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

PFIZER INC

CIK 0000078003

$50M22.0M20.85%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$47M19.1M0.00%Q1 2026 03

TPG GP A, LLC

CIK 0001903793

$46M18.7M1.24%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$21M8.7M0.00%Q1 2026 05

PRIMECAP MANAGEMENT CO/CA/

CIK 0000763212

$20M8.4M0.02%Q1 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$17M6.9M0.00%Q1 2026 07

CITADEL ADVISORS LLC

CIK 0001423053

$17M12.2M0.00%Q4 2025 08

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$13M5.4M0.00%Q1 2026 09

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$13M5.4M0.01%Q1 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$10M4.1M0.00%Q1 2026 11

Frazier Life Sciences Management, L.P.

CIK 0001892134

$9M3.8M0.24%Q1 2026 12

Woodline Partners LP

CIK 0001784547

$9M3.5M0.03%Q1 2026 13

Patient Square Capital LP

CIK 0001819257

$8M3.5M1.49%Q1 2026 14

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$8M3.3M0.00%Q1 2026 15

Candriam S.C.A.

CIK 0001537014

$7M3.0M0.04%Q1 2026 16

GOLDMAN SACHS GROUP INC

CIK 0000886982

$7M2.8M0.00%Q1 2026 17

Boxer Capital Management, LLC

CIK 0002018299

$7M2.7M0.87%Q1 2026 18

Wildcat Capital Management, LLC

CIK 0001582384

$6M2.9M2.66%Q2 2026 19

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$6M2.5M0.00%Q1 2026 20

Nuveen, LLC

CIK 0001871926

$6M2.3M0.00%Q1 2026

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