AI Holders Summary · Q1 2026

308 institutions reported XENE in Q1 2026. FMR LLC leads at 17.8% 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

FMR LLC

CIK 0000315066

$629M10.8M0.03%Q1 2026 02

Avoro Capital Advisors LLC

CIK 0001633313

$336M5.8M3.31%Q1 2026 03

BlackRock, Inc.

CIK 0002012383

$328M5.6M0.01%Q1 2026 04

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$281M4.8M0.05%Q1 2026 05

DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206

$261M4.5M1.92%Q1 2026 06

Polar Capital Holdings Plc

CIK 0001837309

$256M4.4M0.91%Q1 2026 07

JANUS HENDERSON GROUP PLC

CIK 0001274173

$243M4.2M0.12%Q1 2026 08

Capital International Investors

CIK 0001562230

$156M2.7M0.04%Q1 2026 09

JPMORGAN CHASE & CO

CIK 0000019617

$107M1.9M0.01%Q1 2026 10

STATE STREET CORP

CIK 0000093751

$100M1.7M0.00%Q1 2026 11

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$99M1.7M0.01%Q1 2026 12

Affinity Asset Advisors, LLC

CIK 0001773195

$97M1.7M5.03%Q1 2026 13

Holocene Advisors, LP

CIK 0001700574

$88M1.5M0.21%Q1 2026 14

WESTFIELD CAPITAL MANAGEMENT CO LP

CIK 0001177719

$81M1.4M0.34%Q1 2026 15

Caligan Partners LP

CIK 0001727492

$81M1.4M5.39%Q1 2026 16

BNP Paribas Asset Management Holding S.A.

CIK 0001520354

$78M1.3M0.09%Q1 2026 17

BRAIDWELL LP

CIK 0001920938

$78M1.3M2.60%Q1 2026 18

Caption Management, LLC

CIK 0001706766

$78M1.3M0.45%Q1 2026 19

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$77M1.3M0.01%Q1 2026 20

Siren, L.L.C.

CIK 0002005245

$77M1.3M2.13%Q1 2026

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