DOSSIER · 13F Holders · Q1 2026

LUMENTUM HLDGS INC

7 institutions still hold LUMENTUM HLDGS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55024U909·7 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$1.5B
visible holders
Holders
7
filers reporting
Concentration
45.37%
SG Americas Securities, LLC #1
top holder share
AI Holders Summary · Q1 2026

7 institutions reported LUMENTUM HLDGS INC in Q1 2026. SG Americas Securities, LLC leads at 45.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SG Americas Securities, LLC
CIK 0001313360
$689M1.2M0.74%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$600M700K0.14%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$85M99K0.05%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$83M97K0.12%Q2 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$60M71K0.00%Q2 2026
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$75K10.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025