DOSSIER · 13F Holders · Q2 2026

COREWEAVE INC

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

CUSIP 21873S958·9 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$896M
visible holders
Holders
9
filers reporting
Concentration
33.01%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

9 institutions reported COREWEAVE INC in Q2 2026. IMC-Chicago, LLC leads at 33.0% 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
$296M3.0M0.07%Q2 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$254M2.7M0.01%Q2 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$161M1.6M0.04%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$118M1.2M0.07%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$62M619K0.09%Q2 2026
06
CMT Capital Markets Trading GmbH
CIK 0001632813
$3M34K0.03%Q1 2026
07
AKUNA SECURITIES LLC
CIK 0001529090
$2M21K0.01%Q2 2026
08
SG Americas Securities, LLC
CIK 0001313360
$494K66K0.00%Q1 2026
09
OSAIC HOLDINGS, INC.
CIK 0001677044
$5K20.00%Q2 2026