DOSSIER · 13F Holders · Q3 2026

ROBINHOOD MKTS INC

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

CUSIP 770700952·13 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$1.1B
visible holders
Holders
13
filers reporting
Concentration
52.85%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

13 institutions reported ROBINHOOD MKTS INC in Q3 2026. IMC-Chicago, LLC leads at 52.9% 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
$557M4.9M0.12%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$178M1.6M0.10%Q3 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$115M1.1M0.03%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$96M943K0.01%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$67M594K0.09%Q3 2026
06
HRT FINANCIAL LP
CIK 0001475597
$15M131K0.05%Q4 2025
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$12M174K0.13%Q1 2026
08
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$5M5000.00%Q2 2026
09
Aristides Capital LLC
CIK 0001595521
$4M37K0.73%Q2 2026
10
Capital Markets Trading UK LLP
CIK 0001719165
$3M42K0.04%Q1 2026
11
SG Americas Securities, LLC
CIK 0001313360
$2M153K0.00%Q1 2026
12
Caitlin John, LLC
CIK 0002010947
$50K5000.03%Q2 2026
13
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025