DOSSIER · 13F Holders · Q2 2026

ON SEMICONDUCTOR CORP

10 institutions still hold ON SEMICONDUCTOR CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 682189905·10 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$5.9B
visible holders
Holders
10
filers reporting
Concentration
97.57%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported ON SEMICONDUCTOR CORP in Q2 2026. Optiver Holding B.V. leads at 97.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$5.8B61.1M1.56%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$93M1.2M0.02%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$20M259K0.01%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$13M150K0.00%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$13M167K0.02%Q3 2026
06
Maven Securities LTD
CIK 0001633046
$3M32K0.06%Q2 2026
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$1M24K0.02%Q1 2026
08
DV Trading LLC
CIK 0001721757
$372K6K0.01%Q1 2026
09
OSAIC HOLDINGS, INC.
CIK 0001677044
$11K20.00%Q2 2026
10
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025