DOSSIER · 13F Holders · Q2 2026

CIPHER MINING INC

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

CUSIP 17253J906·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$203M
visible holders
Holders
8
filers reporting
Concentration
46.21%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported CIPHER MINING INC in Q2 2026. IMC-Chicago, LLC leads at 46.2% 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
$94M3.8M0.02%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$70M2.9M0.10%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$36M1.5M0.02%Q2 2026
04
HRT FINANCIAL LP
CIK 0001475597
$3M175K0.01%Q4 2025
05
Maridea Wealth Management LLC
CIK 0002056245
$279K11K0.03%Q2 2026
06
Altshuler Shaham Ltd
CIK 0001324290
$39K420.00%Q2 2026
07
JPMORGAN CHASE & CO
CIK 0000019617
$10K4000.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025