DOSSIER · 13F Holders · Q2 2026

VARONIS SYS INC

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

CUSIP 922280952·5 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$7M
visible holders
Holders
5
filers reporting
Concentration
47.61%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported VARONIS SYS INC in Q2 2026. GROUP ONE TRADING LLC leads at 47.6% 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
$3M80K0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$2M33K0.00%Q3 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M32K0.00%Q3 2026
04
WATER ISLAND CAPITAL LLC
CIK 0001222765
$629K15K0.06%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025