Iris Acq Corp. II -31IRAB.WSPreferred / convertible

13F holders, Q2 2026 (June 30)
37holders +12
12new positions
0sold out
$0.25avg. 13F price*

At the end of Q2 2026, 37 institutions reported holding Iris Acq Corp. II -31 (IRAB.WS) in their 13F filings, up 12 from Q1 2026. 12 opened new positions and 0 sold out. The largest holders were Adage Capital Partners Gp, L.L.C. ($169K), Aristeia Capital, L.L.C. ($136K) and TENOR CAPITAL MANAGEMENT Co., L.P. ($125K).

Company
Iris Acq Corp. II -31
CUSIP
G4940M117
Latest filing quarter
Q2 2026

History

Number of 13F holders

010203040 Q1 2026: 25Q1 2026Q2 2026: 37Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions12$506K
Exits0$0

All 13F filers, Q1 2026 → Q2 2026: 2,288,823 shares bought and 102,373 shares sold, net +2,186,450 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 37 holders
Adage Capital Partners Gp, L.L.C. — No change 675,000 $169K
Aristeia Capital, L.L.C. — New 579,913 $136K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 500,000 $125K
Sona Asset Management (us) LLC — No change 425,000 $106K
Healthcare of Ontario Pension Plan Trust Fund — No change 400,000 $100K
Linden Advisors LP — No change 400,000 $94K
Decagon Asset Management LLP — Add +23.6% 353,187 $88K
MMCAP International Inc. SPC — New 300,000 $75K
AQR Arbitrage LLC — New 292,582 $73K
Magnetar Financial LLC — New 300,000 $71K
BNP Paribas Financial Markets — No change 273,266 $64K
Lineage Point Capital LP — Add +123.7% 246,068 $62K
Alberta Investment Management Corp — New 200,000 $50K
Whitebox Advisors LLC — No change 187,600 $47K
Verition Fund Management LLC — No change 168,000 $42K
Shaolin Capital Management LLC — Add +2.0% 152,960 $38K
Radcliffe Capital Management, L.P. — No change 149,785 $35K
Context Capital Management, LLC — No change 125,000 $31K
HGC Investment Management Inc. — No change 125,000 $31K
Periscope Capital Inc. — No change 120,500 $28K
Cable Car Capital, LP — New 112,500 $26K
Rivernorth Capital Management, LLC — No change 100,000 $25K
Lepercq De Neuflize Asset Management LLC — New 100,000 $25K
Picton Mahoney Asset Management — New 87,500 $22K
Heights Capital Management, Inc. — New 76,800 $19K
Mint Tower Capital Management B.V. — No change 75,000 $19K
Clear Street Group Inc. — Reduce -25.8% 70,748 $18K
Centiva Capital, LP — Reduce -55.8% 55,350 $14K
Polar Asset Management Partners Inc. — No change 50,000 $13K
Hudson Bay Capital Management LP — No change 49,469 $12K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS — No change 39,831 $9K
Moore Capital Management, LP — No change 25,000 $6K
Berkley W R Corp. — Reduce -11.8% 21,933 $5K
DLD Asset Management, LP — New 18,000 $5K
CSS LLC — New 12,500 $3K
Royal Bank of Canada — Reduce -49.0% 5,100 $1K
Toronto Dominion Bank — New 2,520 $630

"% of holder's portfolio" is IRAB.WS's weight in each manager's 13F, not the share of Iris Acq Corp. II -31 the manager owns.