AI Holders Summary · Q1 2026

253 institutions reported QDEL in Q1 2026. BlackRock, Inc. leads at 15.7% 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

BlackRock, Inc.

CIK 0002012383

$172M10.4M0.00%Q1 2026 02

FMR LLC

CIK 0000315066

$108M6.6M0.01%Q1 2026 03

Rubric Capital Management LP

CIK 0001687509

$108M3.8M1.29%Q4 2025 04

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$93M5.6M0.06%Q1 2026 05

Newtyn Management, LLC

CIK 0001569241

$75M4.6M8.00%Q1 2026 06

Vanguard Portfolio Management

CIK 0002100121· Index

$66M4.0M0.00%Q1 2026 07

Invesco Ltd.

CIK 0000914208

$51M3.1M0.01%Q1 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$50M3.1M0.00%Q1 2026 09

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$50M3.0M0.01%Q1 2026 10

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$47M2.9M0.02%Q1 2026 11

STATE STREET CORP

CIK 0000093751

$46M2.8M0.00%Q1 2026 12

GOLDMAN SACHS GROUP INC

CIK 0000886982

$40M2.4M0.00%Q1 2026 13

FRONTIER CAPITAL MANAGEMENT CO LLC

CIK 0000351173

$29M1.8M0.30%Q1 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$28M1.7M0.00%Q1 2026 15

SEGALL BRYANT & HAMILL, LLC

CIK 0001006378

$25M1.5M0.36%Q1 2026 16

Neuberger Berman Group LLC

CIK 0001465109

$25M1.5M0.02%Q1 2026 17

PARADIGM CAPITAL MANAGEMENT INC/NY

CIK 0001037792

$25M1.5M0.96%Q1 2026 18

PRIVATE MANAGEMENT GROUP INC

CIK 0001142031

$23M1.4M0.66%Q1 2026 19

D. E. Shaw & Co., Inc.

CIK 0001009207

$18M644K0.01%Q4 2025 20

RICE HALL JAMES & ASSOCIATES, LLC

CIK 0001230765

$17M1.0M0.94%Q1 2026

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