13F Insight
DOSSIER · 13F Holders · Q3 2026

ARISTA NETWORKS INC

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

CUSIP 040413905·12 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$422M
visible holders
Holders
12
filers reporting
Concentration
60.60%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

12 institutions reported ARISTA NETWORKS INC in Q3 2026. IMC-Chicago, LLC leads at 60.6% 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
$256M1.3M0.05%Q3 202602
SIMPLEX TRADING, LLC
CIK 0001488542
$72M352K0.04%Q3 202603
GROUP ONE TRADING LLC
CIK 0000932540
$39M191K0.05%Q3 202604
Optiver Holding B.V.
CIK 0001859606· Market maker
$36M213K0.01%Q2 202605
Maven Securities LTD
CIK 0001633046
$10M60K0.20%Q2 202606
JPMORGAN CHASE & CO
CIK 0000019617
$8M39K0.00%Q3 202607
SG Americas Securities, LLC
CIK 0001313360
$679K22K0.00%Q1 202608
PRAKASH INVESTMENT ADVISORS LLC
CIK 0002054677
$418K510.25%Q3 202609
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$216K8K0.00%Q3 202610
Orion Capital Management LLC
CIK 0001846758
$51K3000.02%Q2 202611
OSAIC HOLDINGS, INC.
CIK 0001677044
$10K10.00%Q3 202612
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025