Who owns IRABWhat IRAB owns — n/a

Who owns Iris Acquisition Corp II?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of IRAB from SEC Form 13F filings across 42 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 42 institutions disclosed 14.9M shares of Iris Acquisition Corp II worth $148.2M — about 88.5% of shares outstanding; the largest disclosed holder is ADAGE CAPITAL PARTNERS GP, L.L.C.. Source: SEC Form 13F filings, parsed by EvidInvest.

13F holders

$148.2M

value, 2026 filers

88.5%

of shares outstanding (14.9M sh)

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IRAB's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.4M	$13.4M	0.0%	8%	0.0%
2	ARISTEIA CAPITAL, L.L.C.NEW	1.2M	$11.5M	0.1%	6.9%	new
3	TENOR CAPITAL MANAGEMENT Co., L.P.	1.0M	$9.9M	0.1%	5.9%	0.0%
4	SONA ASSET MANAGEMENT (US) LLC	850,000	$8.4M	0.2%	5%	0.0%
5	Linden Advisors LP	800,000	$7.9M	0.0%	4.7%	0.0%
6	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	800,000	$7.9M	0.0%	4.7%	0.0%
7	Magnetar Financial LLCNEW	600,000	$6.0M	0.1%	3.6%	new
8	MMCAP International Inc. SPCNEW	600,000	$6.0M	0.5%	3.6%	new
9	AQR Arbitrage LLC	584,964	$5.8M	0.1%	3.5%	+1.1%
10	BNP PARIBAS FINANCIAL MARKETS	546,532	$5.4M	0.0%	3.2%	0.0%
11	MILLENNIUM MANAGEMENT LLCNEW	425,000	$4.2M	0.0%	2.5%	new
12	D. E. Shaw & Co., Inc.	420,601	$4.2M	0.0%	2.5%	0.0%
13	Alberta Investment Management CorpNEW	400,000	$4.0M	0.0%	2.4%	new
14	First Trust Capital Management L.P.	399,998	$4.0M	0.2%	2.4%	0.0%
15	WHITEBOX ADVISORS LLC	375,200	$3.7M	0.0%	2.2%	0.0%
16	Crossingbridge Advisors, LLCNEW	350,000	$3.5M	0.6%	2.1%	new
17	Radcliffe Capital Management, L.P.	299,570	$3.0M	0.2%	1.8%	0.0%
18	TWO SIGMA INVESTMENTS, LP	271,875	$2.7M	0.0%	1.6%	0.0%
19	Centiva Capital, LP	250,700	$2.5M	0.0%	1.5%	0.0%
20	Context Capital Management, LLC	250,000	$2.5M	0.0%	1.5%	0.0%
21	HGC Investment Management Inc.	250,000	$2.5M	0.5%	1.5%	0.0%
22	Periscope Capital Inc.	241,000	$2.4M	0.2%	1.4%	0.0%
23	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	229,662	$2.3M	0.0%	1.4%	+188.3%
24	Cable Car Capital, LPNEW	225,000	$2.2M	0.0%	1.3%	new
25	Lineage Point Capital LP	220,000	$2.2M	0.4%	1.3%	0.0%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.