AI Holders Summary · Q1 2026

107 institutions reported STTK in Q1 2026. T. Rowe Price Investment Management, Inc. leads at 14.0% 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

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$63M9.9M0.04%Q1 2026 02

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$56M8.1M0.08%Q2 2026 03

ORBIMED ADVISORS LLC

CIK 0001055951

$44M6.3M0.82%Q2 2026 04

Redmile Group, LLC

CIK 0001425738

$36M5.5M2.36%Q1 2026 05

Prosight Management, LP

CIK 0001617201

$32M5.0M5.28%Q1 2026 06

BlackRock, Inc.

CIK 0002012383

$27M3.9M0.00%Q2 2026 07

Frazier Life Sciences Management, L.P.

CIK 0001892134

$26M3.8M0.57%Q2 2026 08

NEXTBio Capital Management LP

CIK 0002038158

$26M3.7M11.90%Q2 2026 09

Deep Track Capital, LP

CIK 0001856083

$26M3.7M0.37%Q2 2026 10

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$22M3.2M0.00%Q2 2026 11

PINNACLE ASSOCIATES LTD

CIK 0000743127

$13M1.9M0.14%Q2 2026 12

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$12M1.8M0.00%Q2 2026 13

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$11M1.8M0.00%Q1 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M1.6M0.00%Q2 2026 15

CLARK ESTATES INC/NY

CIK 0001056466

$10M1.4M2.29%Q2 2026 16

Aberdeen Group plc

CIK 0001716774

$10M1.4M0.01%Q2 2026 17

STATE STREET CORP

CIK 0000093751

$7M1.0M0.00%Q2 2026 18

Boxer Capital Management, LLC

CIK 0002018299

$7M1.0M0.52%Q2 2026 19

Point72 Asset Management, L.P.

CIK 0001603466

$7M1.0M0.01%Q1 2026 20

Vanguard Portfolio Management

CIK 0002100121· Index

$7M947K0.00%Q2 2026

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