DOSSIER · 13F Holders · Q3 2026

VICOR CORP

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

CUSIP 925815902·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$66M
visible holders
Holders
5
filers reporting
Concentration
89.29%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported VICOR CORP in Q3 2026. IMC-Chicago, LLC leads at 89.3% 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
$59M204K0.01%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$6M21K0.00%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$1M4K0.00%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$29K1000.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025