DOSSIER · 13F Holders · Q2 2026

SOMNIGROUP INTERNATIONAL INC

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

CUSIP 88023U901·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$88M
visible holders
Holders
6
filers reporting
Concentration
49.20%
Cartenna Capital, LP #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported SOMNIGROUP INTERNATIONAL INC in Q2 2026. Cartenna Capital, LP leads at 49.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Cartenna Capital, LP
CIK 0001808928
$43M550K1.03%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$16M201K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$12M155K0.01%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$9M113K0.01%Q2 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$8M99K0.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025