AI Holders Summary · Q2 2026

155 institutions reported BIOA in Q2 2026. a16z Capital Management, L.L.C. leads at 11.2% 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

a16z Capital Management, L.L.C.

CIK 0001540358

$79M3.2M0.56%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$70M2.8M0.00%Q2 2026 03

Cormorant Asset Management, LP

CIK 0001583977

$59M2.4M3.00%Q2 2026 04

Sofinnova Investments, Inc.

CIK 0001631134

$56M2.3M2.91%Q2 2026 05

Jupiter Topco LLC

CIK 0002146052

$53M2.1M0.02%Q2 2026 06

Octagon Capital Advisors LP

CIK 0001839435

$43M1.7M3.85%Q2 2026 07

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$41M1.7M0.36%Q2 2026 08

MPM BioImpact LLC

CIK 0001687078

$41M1.7M2.49%Q2 2026 09

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$38M1.5M0.00%Q2 2026 10

JANUS HENDERSON GROUP PLC

CIK 0001274173

$37M2.1M0.02%Q1 2026 11

Polar Capital Holdings Plc

CIK 0001837309

$26M1.1M0.06%Q2 2026 12

STATE STREET CORP

CIK 0000093751

$25M1.0M0.00%Q2 2026 13

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$25M1.0M0.00%Q2 2026 14

BRAIDWELL LP

CIK 0001920938

$21M1.2M0.70%Q1 2026 15

Sands Capital Alternatives, LLC

CIK 0001846444

$19M786K3.14%Q2 2026 16

ORBIMED ADVISORS LLC

CIK 0001055951

$18M752K0.34%Q2 2026 17

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$17M703K0.02%Q2 2026 18

Pivotal bioVenture Partners Investment Advisor LLC

CIK 0001844645

$16M653K5.20%Q2 2026 19

Cosmic Management, LLC

CIK 0002113747

$12M502K3.22%Q2 2026 20

STEMPOINT CAPITAL LP

CIK 0001952142

$11M464K1.96%Q2 2026

Page 1 of 8

135 more holders available. Log in →