13F Insight
DOSSIER · 13F Holders · Q1 2026

IRIS ACQUISITION CORP II

15 institutions still hold IRIS ACQUISITION CORP II as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G4940M125·15 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$45M
visible holders
Holders
15
filers reporting
Concentration
25.36%
ARISTEIA CAPITAL, L.L.C. #1
top holder share
AI Holders Summary · Q1 2026

15 institutions reported IRIS ACQUISITION CORP II in Q1 2026. ARISTEIA CAPITAL, L.L.C. leads at 25.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$11M1.2M0.24%Q1 202602
LMR Partners LLP
CIK 0001578621
$7M750K0.02%Q1 202603
MMCAP International Inc. SPC
CIK 0001304857
$6M600K0.52%Q1 202604
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$4M425K0.00%Q1 202605
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$4M400K0.02%Q1 202606
Crossingbridge Advisors, LLC
CIK 0001770024
$3M350K0.63%Q1 202607
Cable Car Capital, LP
CIK 0001699575
$2M225K0.77%Q1 202608
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$2M185K0.51%Q1 202609
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$2M175K0.01%Q1 202610
Clear Street Group Inc.
CIK 0001881567
$800K80K0.00%Q1 202611
TORONTO DOMINION BANK
CIK 0000947263
$747K75K0.00%Q1 202612
GLAZER CAPITAL, LLC
CIK 0001076809
$460K46K0.01%Q1 202613
JPMORGAN CHASE & CO
CIK 0000019617
$398K40K0.00%Q1 202614
CSS LLC/IL
CIK 0001103646
$249K25K0.01%Q1 202615
Virtu Financial LLC
CIK 0001533964· Market maker
$162K16K0.01%Q1 2026