AI Holders Summary · Q1 2026

73 institutions reported STRO in Q1 2026. Affinity Asset Advisors, LLC leads at 9.6% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(1 on this page)

#HolderValueShares% port.Quarter

Affinity Asset Advisors, LLC

CIK 0001773195

$27M1.1M1.38%Q1 2026 02

Samsara BioCapital, LLC

CIK 0001744967

$26M1.1M2.57%Q1 2026 03

Kynam Capital Management, LP

CIK 0001907884

$22M873K1.34%Q1 2026 04

ORBIMED ADVISORS LLC

CIK 0001055951

$20M801K0.40%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$18M720K0.00%Q1 2026 06

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$18M715K0.19%Q1 2026 07

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$18M715K0.35%Q1 2026 08

EVENTIDE ASSET MANAGEMENT, LLC

CIK 0001442891

$18M715K0.29%Q1 2026 09

Point72 Asset Management, L.P.

CIK 0001603466

$17M692K0.02%Q1 2026 10

ADAR1 Capital Management, LLC

CIK 0001940272

$13M524K0.77%Q1 2026 11

Velan Capital Investment Management LP

CIK 0001848809

$13M512K7.99%Q1 2026 12

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$12M466K0.02%Q1 2026 13

Woodline Partners LP

CIK 0001784547

$11M457K0.04%Q1 2026 14

UBS Group AG

CIK 0001610520

$10M393K0.00%Q1 2026 15

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$8M336K0.01%Q1 2026 16

ACUTA CAPITAL PARTNERS, LLC

CIK 0001582844

$7M269K4.73%Q1 2026 17

BlackRock, Inc.

CIK 0002012383

$6M233K0.00%Q1 2026 18

KVP Capital Advisors, LP

CIK 0001858198

$6M227K4.22%Q1 2026 19

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$5M210K0.00%Q1 2026 20

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$5M200K0.01%Q1 2026

Page 1 of 4

53 more holders available. Log in →