DOSSIER · 13F Holders · Q2 2026

THE TRADE DESK INC

10 institutions still hold THE TRADE DESK INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88339J955·10 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$64M
visible holders
Holders
10
filers reporting
Concentration
48.32%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported THE TRADE DESK INC in Q2 2026. IMC-Chicago, LLC leads at 48.3% 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
$31M1.7M0.01%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$12M670K0.01%Q2 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$11M596K0.00%Q2 2026
04
Capital Markets Trading UK LLP
CIK 0001719165
$5M214K0.06%Q1 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$2M137K0.00%Q2 2026
06
Maven Securities LTD
CIK 0001633046
$2M83K0.03%Q2 2026
07
HRT FINANCIAL LP
CIK 0001475597
$884K23K0.00%Q4 2025
08
SG Americas Securities, LLC
CIK 0001313360
$333K20K0.00%Q1 2026
09
Timothy G. Youngquist 2020 Irrevocable Trust
CIK 0002109159
$6K18K0.00%Q2 2026
10
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025