DOSSIER · 13F Holders · Q3 2026

IAMGOLD CORP

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

CUSIP 450913958·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$5M
visible holders
Holders
5
filers reporting
Concentration
50.24%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported IAMGOLD CORP in Q3 2026. IMC-Chicago, LLC leads at 50.2% 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
$2M124K0.00%Q3 2026
02
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$938K5910.00%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$863K55K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$457K25K0.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025