SEC ownership of Iris Acquisition Corp II

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002077785.

Comparable stake leader

Iris Acquisition Holdings II LLC

Disclosed value leader

Iris Acquisition Holdings II LLC

Comparable rows

46/50

Latest evidence

31 Mar 2026

Top shareholders Insider holders Latest transactions

Public ticker: IRAB, IRAB-UN, IRAB-WT on NYSE
Parsed ownership sources: 13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: Iris Acquisition Holdings II LLC
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 46 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: Iris Acquisition Holdings II LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0002077785
Issuer location: Grand Cayman

Ownership snapshot

Top shareholders of Iris Acquisition Corp II (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

46/50

Latest evidence

31 Mar 2026

13D/G 3/4/5 13F Lead comparable stake: 26% 4 rows are not safely comparable across share classes. 13D/G row: Iris Acquisition Holdings II LLC Showing 1-8 of 50 holder rows.

Quick read

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

46 of 50 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%

GOLDMAN SACHS GROUP INC 6.8%

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

ARISTEIA CAPITAL, L.L.C. 7.5%

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

Detailed SEC evidence table Showing 1-8 of 50 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
GOLDMAN SACHS GROUP INC	13D/G THE GOLDMAN SACHS GROUP, INC. 13D/G	6.8%	$11,509,354 1,172,032 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
ARISTEIA CAPITAL, L.L.C.	13F Company 13F	7.5%	$11,481,390 1,152,750 shares	—	31 Mar 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	5.9%	$13,257,000 1,350,000 shares	—	31 Mar 2026
LMR Partners LLP	13F Company 13F	4.9%	$7,470,000 750,000 shares	—	31 Mar 2026
Magnetar Financial LLC	13F Company 13F	3.9%	$5,982,000 600,000 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.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 03 Aug 2025.

Buys

Insiders: 0

Sells

Insiders: 0

Net

Shares: 0

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 0 Shares: 0

Window (months)	Buy value	Sell value	Net value
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-9 of 9 reporting-owner rows connected to Iris Acquisition Corp II. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Rohit Nanani

Net 12M change

Latest report

04 Feb 2026

Name	Relationship	Valuation	Report Date
Rohit Nanani	Director	Mixed	04 Feb 2026
Sumit Mehta	Chief Executive Officer	Mixed	04 Feb 2026
Iris Acquisition Holdings II LLC	10%+ Owner	Mixed	04 Feb 2026
Janine Yorio	Director	Mixed	02 Feb 2026
Allen Wang	Director	Mixed	02 Feb 2026
Robert Leelwyn Henry	Director	Mixed	02 Feb 2026
Manish C. Shah	Director	Mixed	02 Feb 2026
Lisha Parmar	Chief Financial Officer	Mixed	02 Feb 2026
Omkar Halady	Vice President and Secretary	Mixed	02 Feb 2026

Recent insider transactions for Iris Acquisition Corp II

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Class	Transaction	%	Shares	Shares owned	Date	Ownership
Iris Acquisition Holdings II LLC	Class A ordinary shares	Purchase		251,000	251,000	04 Feb 2026	Direct
Iris Acquisition Holdings II LLC	Warrants to purchase Class A ordinary shares	Purchase		125,500	125,500	04 Feb 2026	Direct
Iris Acquisition Holdings II LLC	Class B Ordinary Shares	Disposed to Issuer	-2.32%	-133,333	5,616,667	04 Feb 2026	Direct
Sumit Mehta	Class A ordinary shares	Purchase		251,000	251,000	04 Feb 2026	See Footnote
Sumit Mehta	Warrants to purchase Class A ordinary shares	Purchase		125,500	125,500	04 Feb 2026	See Footnote
Sumit Mehta	Class B Ordinary Shares	Disposed to Issuer	-2.32%	-133,333	5,616,667	04 Feb 2026	See Footnote
Rohit Nanani	Class A ordinary shares	Purchase		251,000	251,000	04 Feb 2026	See Footnote
Rohit Nanani	Warrants to purchase Class A ordinary shares	Purchase		125,500	125,500	04 Feb 2026	See Footnote
Rohit Nanani	Class B Ordinary Shares	Disposed to Issuer	-2.32%	-133,333	5,616,667	04 Feb 2026	See Footnote

^* marks a reported price that did not pass the local price check.