Security Snapshot

Iris Acquisition Corp II - Class A Ordinary Shares, par value $0.0001 per share (IRAB) Institutional Ownership

CUSIP: G4940M109

13F Institutional Holders and Ownership History for Q1 2026

Latest Period

Q1 2026

Institutions Reporting

32

Shares (Excl. Options)

10,830,120

Price

$9.82

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+10,283,588
Value change
+$100,987,031
Number of holders
32
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
22,902,681
SEC-reported price per share
$9.90
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • IRAB - Iris Acquisition Corp II - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G4940M109.
  • 32 institutions reported positions in Q1 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Latest quarter on this page is Q1 2026.
  • Additional quarter-over-quarter change detail appears as history expands.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 32 institutions filings for Q1 2026.

Open SEC evidence

Security key

G4940M109

Latest holder period

Q1 2026

13F holders

32

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
IRAB
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Iris Acquisition Holdings II LLC 26% $57,620,490 5,867,667 Iris Acquisition Holdings II, LLC 02 Feb 2026
Adage Capital Management, L.P. 7.8% $13,257,000 1,350,000 Adage Capital Management, L.P. 31 Mar 2026
GOLDMAN SACHS GROUP INC 6.8% $11,509,354 1,172,032 THE GOLDMAN SACHS GROUP, INC. 31 Mar 2026

As of 31 Mar 2026, 32 institutional investors reported holding 10,830,120 shares of Iris Acquisition Corp II - Class A Ordinary Shares, par value $0.0001 per share (IRAB). This represents 47% of the company’s total 22,902,681 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
46%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAGE CAPITAL PARTNERS GP, L.L.C. 5.9% 1,350,000 0.02% $13,257,000
TENOR CAPITAL MANAGEMENT Co., L.P. 4.4% 1,000,000 0.15% $9,820,000
SONA ASSET MANAGEMENT (US) LLC 3.7% 850,000 0.32% $8,347,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 3.5% 800,000 0.01% $7,856,000
Linden Advisors LP 3.5% 800,000 0.04% $7,856,000
AQR Arbitrage LLC 2.5% 578,464 0.09% $5,680,516
BNP PARIBAS FINANCIAL MARKETS 2.4% 546,532 0% 0% $5,366,944
D. E. Shaw & Co., Inc. 1.8% 420,600 0% $4,130,292
Shaolin Capital Management LLC 1.7% 400,000 0.33% $3,928,000
First Trust Capital Management L.P. 1.7% 399,998 0.21% $3,927,980
WHITEBOX ADVISORS LLC 1.6% 375,200 0.05% $3,684,464
Radcliffe Capital Management, L.P. 1.3% 299,570 0.22% $2,941,777
TWO SIGMA INVESTMENTS, LP 1.2% 271,875 0% $2,669,813
Centiva Capital, LP 1.1% 250,700 0.12% $2,461,874
HGC Investment Management Inc. 1.1% 250,000 0.54% $2,455,000
Context Capital Management, LLC 1.1% 250,000 0.06% $2,455,000
Periscope Capital Inc. 1.1% 241,000 0.41% $2,367,580
Lineage Point Capital LP 0.96% 220,000 0.53% $2,160,400
GLAZER CAPITAL, LLC 0.88% 202,310 0.04% $1,987,000
RIVERNORTH CAPITAL MANAGEMENT, LLC 0.87% 200,000 0.1% $1,964,000
Verition Fund Management LLC 0.87% 200,000 0.02% $1,964,000
BERKLEY W R CORP 0.87% 198,960 0.1% $1,953,787
Mint Tower Capital Management B.V. 0.65% 150,000 0.14% $1,473,000
Kepos Capital LP 0.44% 100,000 1.6% $982,000
Polar Asset Management Partners Inc. 0.44% 100,000 0.02% $983,000

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
1
Latest
Q1 2026
Rows shown
1-1 of 1
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 10,830,120 $106,353,975 +$100,987,031 $9.82 32
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