Iris Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (IRAB)

Q: What does CUSIP G4940M109 represent in this 13F holders report?

CUSIP G4940M109 is the security identifier for IRAB - Iris Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held IRAB - Iris Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share in Q2 2026?

43 institutional investors reported IRAB - Iris Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share for Q2 2026. Use the holders table for investor-level position and value details.

CUSIP: G4940M109

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Class A ordinary shares, par value $0.0001 per share
Total 13F shares: 14,965,601
Total 13F value: $148,648,855
Share change: +4,135,481
SEC-reported price per share: $9.93
Number of holders: 43
Value change: +$41,101,168
Number of buys: 16
Number of sells: 4
Shares outstanding: 17,554,083

Security key

G4940M109

Report period

Q2 2026

Institutions

Top holders

IRAB full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 Iris Acquisition Corp II SEC filings Iris Acquisition Corp II company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G4940M109

Previous quarter: Q1 2026

Recent filing periods:

Q2 2026 Q1 2026

Ownership snapshot

Top reported holders of IRAB - Iris Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Iris Acquisition Holdings...

Disclosed value leader

Iris Acquisition Holdings...

Comparable rows

15/15

Latest evidence

30 Jun 2026

13D/G 3/4/5 13F Lead comparable stake: 26% 13D/G row: Iris Acquisition Holdings II LLC Showing 1-6 of 15 holder rows.

Quick read

Iris Acquisition Holdings II LLC leads the comparable SEC ownership view at 26%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Iris Acquisition Holdings II LLC's linked filing trail.

Comparable ownership Top 5

Iris Acquisition Holdings II LLC 26%

Adage Capital Management, L.P. 7.8%

TENOR CAPITAL MANAGEMENT Co., L.P. 6.5%

GOLDMAN SACHS GROUP INC 1.2%

ADAGE CAPITAL PARTNERS GP, L.L.C. 7.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Iris Acquisition Holdings II LLC	13D/G 3/4/5 10%+ Owner 13D/G 3/4/5	26%	$57,620,490 5,867,667 shares	$0	02 Feb 2026
Adage Capital Management, L.P.	13D/G 13D/G	7.8%	$13,257,000 1,350,000 shares	$0	31 Mar 2026
TENOR CAPITAL MANAGEMENT Co., L.P.	13F 13D/G Company · Tenor Capital Management Company, L.P. 13F 13D/G	6.5% from 13D/G	$9,820,000 1,000,000 shares	—	31 Mar 2026
GOLDMAN SACHS GROUP INC	13D/G THE GOLDMAN SACHS GROUP, INC. 13D/G	1.2%	$2,093,851 210,649 shares	-$9,556,147	30 Jun 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	7.7%	$13,257,000 1,350,000 shares	—	31 Mar 2026
ARISTEIA CAPITAL, L.L.C.	13F Company 13F	7.5%	$11,481,390 1,152,750 shares	—	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

14,965,601

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Q2 2026 holders

Holder diff

Investor	Q1 2026 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend