DOSSIER · 13F Holders · Q3 2026

Yellow Cake Plc

2 institutions still hold Yellow Cake Plc as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G98334108·2 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$555K
visible holders
Holders
2
filers reporting
Concentration
99.10%
O'Brien Greene & Co. Inc #1
top holder share
AI Holders Summary · Q3 2026

2 institutions reported Yellow Cake Plc in Q3 2026. O'Brien Greene & Co. Inc leads at 99.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
O'Brien Greene & Co. Inc
CIK 0001768635
$550K75K0.15%Q3 2026
02
FNY Investment Advisers, LLC
CIK 0001742998
$5K7000.00%Q1 2026