AI Holders Summary · Q4 2025

60 institutions reported OTLK in Q4 2025. CITADEL ADVISORS LLC leads at 36.4% 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

CITADEL ADVISORS LLC

CIK 0001423053

$2M1.0M0.00%Q4 2025 02

ARMISTICE CAPITAL, LLC

CIK 0001601086

$858K4.2M0.02%Q1 2026 03

MARSHALL WACE, LLP

CIK 0001318757

$472K298K0.00%Q4 2025 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$405K2.0M0.00%Q1 2026 05

Wealth Management Partners, LLC

CIK 0001843294

$188K118K0.04%Q2 2026 06

GILPIN WEALTH MANAGEMENT, LLC

CIK 0002058144

$146K710K0.12%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$124K604K0.00%Q1 2026 08

BlackRock, Inc.

CIK 0002012383

$98K477K0.00%Q1 2026 09

COMMONWEALTH EQUITY SERVICES, LLC

CIK 0000312272

$97K470K0.00%Q1 2026 10

Royal Fund Management, LLC

CIK 0001810099

$75K47K0.01%Q2 2026 11

Warberg Asset Management LLC

CIK 0001597506

$56K275K0.01%Q1 2026 12

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$53K255K0.00%Q1 2026 13

NINE MASTS CAPITAL Ltd

CIK 0001569356

$48K233K0.01%Q1 2026 14

Christensen, King & Associates Investment Services, Inc.

CIK 0002032544

$45K28K0.02%Q2 2026 15

Connective Capital Management, LLC

CIK 0001543568

$41K200K0.03%Q1 2026 16

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$37K177K0.00%Q1 2026 17

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$36K177K0.00%Q1 2026 18

STATE STREET CORP

CIK 0000093751

$34K163K0.00%Q1 2026 19

Flower City Capital

CIK 0001808394

$32K20K0.01%Q2 2026 20

UBS Group AG

CIK 0001610520

$27K133K0.00%Q1 2026

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