DOSSIER · 13F Holders · Q2 2026

TEMPUS AI INC

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

CUSIP 88023B903·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$168M
visible holders
Holders
7
filers reporting
Concentration
46.12%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported TEMPUS AI INC in Q2 2026. GROUP ONE TRADING LLC leads at 46.1% 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
$78M1.3M0.11%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$64M1.1M0.02%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$25M428K0.01%Q2 2026
04
Sender Co & Partners, Inc.
CIK 0001659380
$915K16K0.27%Q2 2026
05
HRT FINANCIAL LP
CIK 0001475597
$543K9K0.00%Q4 2025
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$6K40.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025