DOSSIER · 13F Holders · Q3 2026

SENTINELONE INC

6 institutions still hold SENTINELONE INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81730H909·6 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$46M
visible holders
Holders
6
filers reporting
Concentration
54.17%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported SENTINELONE INC in Q3 2026. GROUP ONE TRADING LLC leads at 54.2% 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
$25M1.1M0.03%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$17M697K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$4M177K0.00%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$422K18K0.00%Q3 2026
05
OSAIC HOLDINGS, INC.
CIK 0001677044
$3K30.00%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025