DOSSIER · 13F Holders · Q2 2026

CENTENE CORP DEL

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

CUSIP 15135B901·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$173M
visible holders
Holders
7
filers reporting
Concentration
39.92%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported CENTENE CORP DEL in Q2 2026. GROUP ONE TRADING LLC leads at 39.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$69M1.1M0.10%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$53M829K0.01%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$42M652K0.02%Q2 2026
04
ENGLISH CAPITAL MANAGEMENT LLC
CIK 0002010442
$8M352K3.57%Q2 2026
05
CMT Capital Markets Trading GmbH
CIK 0001632813
$1M38K0.01%Q1 2026
06
Brooklands Fund Management Ltd
CIK 0002036388
$38K100.03%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025