ON SEMICONDUCTOR CORP

DOSSIER · 13F Holders · Q1 2026

ON SEMICONDUCTOR CORP

11 institutions still hold ON SEMICONDUCTOR CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 682189905·11 13F holders·last filed Mar 31, 2026

Market cap

—

13F value held

$5.5B

visible holders

Holders

11

filers reporting

Concentration

99.25%

Optiver Holding B.V. #1

top holder share

AI Holders Summary · Q1 2026

11 institutions reported ON SEMICONDUCTOR CORP in Q1 2026. Optiver Holding B.V. leads at 99.2% 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

01

Optiver Holding B.V.

CIK 0001859606· Market maker

$5.5B88.8M1.90%Q1 2026 02

IMC-Chicago, LLC

CIK 0001452861· Market maker

$20M320K0.01%Q1 2026 03

SIMPLEX TRADING, LLC

CIK 0001488542

$11M181K0.01%Q1 2026 04

GROUP ONE TRADING LLC

CIK 0000932540

$5M75K0.01%Q1 2026 05

Maven Securities LTD

CIK 0001633046

$3M56K0.07%Q1 2026 06

CMT Capital Markets Trading GmbH

CIK 0001632813

$1M24K0.02%Q1 2026 07

CHESAPEAKE CAPITAL CORP /IL/

CIK 0001093908

$396K640.29%Q1 2026 08

JPMORGAN CHASE & CO

CIK 0000019617

$390K7K0.00%Q1 2026 09

DV Trading LLC

CIK 0001721757

$372K6K0.01%Q1 2026 10

OSAIC HOLDINGS, INC.

CIK 0001677044

$5K20.00%Q1 2026 11

CONCOURSE FINANCIAL GROUP SECURITIES, INC.