DOSSIER · 13F Holders · Q3 2026

ZOOMINFO TECHNOLOGIES INC

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

CUSIP 98980F954·6 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$6M
visible holders
Holders
6
filers reporting
Concentration
50.57%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported ZOOMINFO TECHNOLOGIES INC in Q3 2026. IMC-Chicago, LLC leads at 50.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$3M741K0.00%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$2M510K0.00%Q3 2026
03
HRT FINANCIAL LP
CIK 0001475597
$539K142K0.00%Q3 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$269K71K0.00%Q3 2026
05
Alpine Global Management, LLC
CIK 0001581655
$8K1000.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025