DOSSIER · 13F Holders · Q3 2026

KLA CORP

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

CUSIP 482480900·9 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$545M
visible holders
Holders
9
filers reporting
Concentration
67.07%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

9 institutions reported KLA CORP in Q3 2026. IMC-Chicago, LLC leads at 67.1% 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
$366M1.9M0.08%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$76M253K0.02%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$50M255K0.03%Q3 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$25M131K0.03%Q3 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$25M129K0.00%Q3 2026
06
CMT Capital Markets Trading GmbH
CIK 0001632813
$2M1K0.02%Q1 2026
07
SG Americas Securities, LLC
CIK 0001313360
$600K10K0.00%Q1 2026
08
Capital Markets Trading UK LLP
CIK 0001719165
$442K3000.01%Q1 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025