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IRAB

Iris Acquisition Corp II
IRAB

32 hedge funds and large institutions have $106M invested in Iris Acquisition Corp II in 2026 Q1 according to their latest regulatory filings, with 32 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

62.65% more ownership

Funds ownership: 0% → 62.65% (+63%)

Holders
32
Holders Change
+32
Holders Change %
–
% of All Funds
0.39%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
32
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$13.3M
2
TCM
Tenor Capital Management
New York
+$9.84M
3
SAMU
SONA Asset Management (US)
New York
+$8.37M
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
+$7.88M
5
LA
Linden Advisors
New York
+$7.88M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Hudson Bay Capital Management
26
Hudson Bay Capital Management
Connecticut
$972K +$974K +98,938 New
CS
27
Clear Street
New York
$936K +$939K +95,356 New
COPPSERS
28
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$782K +$784K +79,662 New
MCM
29
Moore Capital Management
New York
$491K +$492K +50,000 New
VF
30
Virtu Financial
New York
$256K +$257K +26,070 New
SSA
31
Schonfeld Strategic Advisors
New York
$147K +$148K +15,000 New
Royal Bank of Canada
32
Royal Bank of Canada
Ontario, Canada
$97K +$97.3K +9,885 New
1
2

IRAB Hedge Fund Activity: Q1 2026 in Review

32 of the 8,134 institutional investors tracked by Wall St. Rank reported a position in Iris Acquisition Corp II (IRAB) for Q1 2026, worth a combined $106M.

Buyers outnumbered sellers: 32 funds opened new IRAB positions and 0 closed out — a net gain of 32 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Adage Capital Partners, opening a new position worth an estimated $13.3M.

  • 32 institutional investors held Iris Acquisition Corp II (IRAB) as of Q1 2026, up from 0 in Q4 2025.
  • Funds reported $106M of Iris Acquisition Corp II stock for Q1 2026.
  • 32 funds opened new Iris Acquisition Corp II positions in Q1 2026 and 0 closed out, a net change of +32 holders.
  • The largest Iris Acquisition Corp II buyer in Q1 2026 was Adage Capital Partners, an estimated $13.3M added.

Based on aggregated 13F filings for Q1 2026.