13F Insight
DOSSIER · 13F Holders · Q2 2026

IRIS ACQUISITION CORP II

39 institutions still hold IRIS ACQUISITION CORP II as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G4940M109·39 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$108M
visible holders
Holders
39
filers reporting
Concentration
12.45%
ADAGE CAPITAL PARTNERS GP, L.L.C. #1
top holder share
AI Holders Summary · Q2 2026

39 institutions reported IRIS ACQUISITION CORP II in Q2 2026. ADAGE CAPITAL PARTNERS GP, L.L.C. leads at 12.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$13M1.4M0.02%Q2 202602
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$12M1.2M0.15%Q2 202603
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$10M1.0M0.14%Q2 202604
SONA ASSET MANAGEMENT (US) LLC
CIK 0001856405
$8M850K0.18%Q1 202605
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$8M800K0.01%Q2 202606
LINDEN ADVISORS LP
CIK 0001279396
$8M800K0.04%Q2 202607
MMCAP International Inc. SPC
CIK 0001304857
$6M600K0.51%Q2 202608
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$5M547K0.00%Q2 202609
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$4M425K0.00%Q2 202610
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$4M400K0.02%Q2 202611
First Trust Capital Management L.P.
CIK 0001604488
$4M400K0.23%Q2 202612
WHITEBOX ADVISORS LLC
CIK 0001257391
$4M375K0.05%Q2 202613
Crossingbridge Advisors, LLC
CIK 0001770024
$3M350K0.61%Q2 202614
Radcliffe Capital Management, L.P.
CIK 0001218275
$3M300K0.23%Q2 202615
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$3M272K0.00%Q2 202616
Centiva Capital, LP
CIK 0001692507
$2M251K0.02%Q2 202617
HGC Investment Management Inc.
CIK 0001711200
$2M250K0.49%Q2 202618
Context Capital Management, LLC
CIK 0001301396
$2M250K0.05%Q2 202619
PERISCOPE CAPITAL INC.
CIK 0001695320
$2M241K0.21%Q2 202620
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
CIK 0001083190
$2M230K0.01%Q2 2026
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