DOSSIER · 13F Holders · Q2 2026

ASTERA LABS INC

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

CUSIP 04626A903·9 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$823M
visible holders
Holders
9
filers reporting
Concentration
69.01%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

9 institutions reported ASTERA LABS INC in Q2 2026. IMC-Chicago, LLC leads at 69.0% 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
$568M1.2M0.14%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$126M261K0.18%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$97M201K0.06%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$25M55K0.00%Q2 2026
05
HRT FINANCIAL LP
CIK 0001475597
$4M24K0.01%Q4 2025
06
PRAKASH INVESTMENT ADVISORS LLC
CIK 0002054677
$2M681.37%Q2 2026
07
CAPSTONE WEALTH MANAGEMENT GROUP, LLC
CIK 0001923052
$390K130.14%Q2 2026
08
OSAIC HOLDINGS, INC.
CIK 0001677044
$34K10.00%Q2 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025