DOSSIER · 13F Holders · Q3 2026

PALO ALTO NETWORKS INC

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

CUSIP 697435905·15 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$2.1B
visible holders
Holders
15
filers reporting
Concentration
59.73%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

15 institutions reported PALO ALTO NETWORKS INC in Q3 2026. IMC-Chicago, LLC leads at 59.7% 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
$1.3B3.2M0.26%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$218M638K0.06%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$214M538K0.12%Q3 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$184M464K0.25%Q3 2026
05
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$157M5K0.11%Q2 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$52M156K0.00%Q2 2026
07
Maven Securities LTD
CIK 0001633046
$21M61K0.41%Q2 2026
08
Capital Markets Trading UK LLP
CIK 0001719165
$6M38K0.08%Q1 2026
09
CMT Capital Markets Trading GmbH
CIK 0001632813
$1M7K0.01%Q1 2026
10
SG Americas Securities, LLC
CIK 0001313360
$456K94K0.00%Q1 2026
11
Burford Brothers, Inc.
CIK 0002001434
$397K1K0.14%Q3 2026
12
PRAKASH INVESTMENT ADVISORS LLC
CIK 0002054677
$250K150.15%Q3 2026
13
Orion Capital Management LLC
CIK 0001846758
$68K2000.02%Q2 2026
14
OSAIC HOLDINGS, INC.
CIK 0001677044
$43K20.00%Q2 2026
15
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025