DOSSIER · 13F Holders · Q3 2026

WOLFSPEED INC

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

CUSIP 97785W956·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$34M
visible holders
Holders
4
filers reporting
Concentration
48.16%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported WOLFSPEED INC in Q3 2026. SIMPLEX TRADING, LLC leads at 48.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$16M575K0.01%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$11M407K0.00%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$5M190K0.01%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$627K22K0.00%Q3 2026