DOSSIER · 13F Holders · Q3 2026

CORNING INC

9 institutions still hold CORNING INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 219350905·9 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$543M
visible holders
Holders
9
filers reporting
Concentration
67.72%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

9 institutions reported CORNING INC in Q3 2026. IMC-Chicago, LLC leads at 67.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$368M2.4M0.08%Q3 2026
02
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$64M3K0.05%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$49M319K0.03%Q3 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$45M295K0.06%Q3 2026
05
CLEAR WAVE WEALTH MANAGEMENT LLC
CIK 0002113615
$9M58K1.55%Q3 2026
06
HRT FINANCIAL LP
CIK 0001475597
$5M57K0.02%Q4 2025
07
Maven Securities LTD
CIK 0001633046
$3M13K0.06%Q2 2026
08
OSAIC HOLDINGS, INC.
CIK 0001677044
$39K20.00%Q2 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025