DOSSIER · 13F Holders · Q2 2026

GSK PLC

6 institutions still hold GSK PLC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 37733W904·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$31M
visible holders
Holders
6
filers reporting
Concentration
31.00%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported GSK PLC in Q2 2026. GROUP ONE TRADING LLC leads at 31.0% 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
$10M181K0.01%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$8M152K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$8M150K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$5M97K0.00%Q2 2026
05
PARAGON FINANCIAL PARTNERS, INC.
CIK 0001910845
$258K5K0.14%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025