DOSSIER · 13F Holders · Q4 2025

IMMUNEERING CORP

4 institutions still hold IMMUNEERING CORP as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45254E111·4 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$2M
visible holders
Holders
4
filers reporting
Concentration
79.79%
SOUTHPORT MANAGEMENT, L.L.C. #1
top holder share
AI Holders Summary · Q4 2025

4 institutions reported IMMUNEERING CORP in Q4 2025. SOUTHPORT MANAGEMENT, L.L.C. leads at 79.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SOUTHPORT MANAGEMENT, L.L.C.
CIK 0001549553
$2M278K6.37%Q4 2025
02
TWO SIGMA ADVISERS, LP
CIK 0001478735
$209K32K0.00%Q4 2025
03
CIBC Private Wealth Group LLC
CIK 0001298088
$188K29K0.00%Q4 2025
04
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$66K10K0.00%Q4 2025