DOSSIER · 13F Holders · Q1 2026

ADVANTAGE SOLUTIONS INC

2 institutions still hold ADVANTAGE SOLUTIONS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00791N901·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3M
visible holders
Holders
2
filers reporting
Concentration
98.22%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported ADVANTAGE SOLUTIONS INC in Q1 2026. GROUP ONE TRADING LLC leads at 98.2% 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
$3M121K0.00%Q1 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$47K2K0.00%Q1 2026