DOSSIER · 13F Holders · Q2 2026

MAGNUM ICE CREAM CO NV

3 institutions still hold MAGNUM ICE CREAM CO NV as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP N5505D905·3 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$3M
visible holders
Holders
3
filers reporting
Concentration
89.07%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported MAGNUM ICE CREAM CO NV in Q2 2026. Optiver Holding B.V. leads at 89.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$3M161K0.00%Q2 2026
02
WINTON GROUP Ltd
CIK 0001612063
$343K20K0.01%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$2K1000.00%Q2 2026