DOSSIER · 13F Holders · Q2 2026

ZOOM COMMUNICATIONS INC

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

CUSIP 98980L951·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$200M
visible holders
Holders
8
filers reporting
Concentration
37.66%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported ZOOM COMMUNICATIONS INC in Q2 2026. IMC-Chicago, LLC leads at 37.7% 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
$75M873K0.02%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$71M818K0.02%Q2 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$30M353K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$9M110K0.01%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$9M104K0.01%Q2 2026
06
Capital Markets Trading UK LLP
CIK 0001719165
$5M63K0.06%Q1 2026
07
SG Americas Securities, LLC
CIK 0001313360
$163K75K0.00%Q1 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025