DOSSIER · 13F Holders · Q2 2026

NIO INC

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

CUSIP 62914V906·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$81M
visible holders
Holders
8
filers reporting
Concentration
25.15%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported NIO INC in Q2 2026. SIMPLEX TRADING, LLC leads at 25.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$20M4.0M0.01%Q2 2026
02
Capital Markets Trading UK LLP
CIK 0001719165
$18M3.0M0.22%Q1 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$17M3.4M0.00%Q2 2026
04
CMT Capital Markets Trading GmbH
CIK 0001632813
$16M2.7M0.17%Q1 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$9M1.9M0.01%Q2 2026
06
SG Americas Securities, LLC
CIK 0001313360
$116K65K0.00%Q1 2026
07
Marathon Trading Investment Management LLC
CIK 0001572748
$51K10K0.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025