13F Insight
DOSSIER · 13F Holders · Q2 2026

JATT II ACQUISITION CORP

21 institutions still hold JATT II ACQUISITION CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G50765109·21 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$55M
visible holders
Holders
21
filers reporting
Concentration
10.37%
RA CAPITAL MANAGEMENT, L.P. #1
top holder share
AI Holders Summary · Q2 2026

21 institutions reported JATT II ACQUISITION CORP in Q2 2026. RA CAPITAL MANAGEMENT, L.P. leads at 10.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$6M500K0.05%Q2 202602
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$6M500K0.01%Q2 202603
Jupiter Topco LLC
CIK 0002146052
$6M500K0.00%Q2 202604
Nantahala Capital Management, LLC
CIK 0001472322
$5M450K0.08%Q2 202605
ADAR1 Capital Management, LLC
CIK 0001940272
$5M418K0.22%Q2 202606
Atika Capital Management LLC
CIK 0001599731
$5M400K0.30%Q2 202607
FRANKLIN RESOURCES INC
CIK 0000038777
$5M400K0.00%Q2 202608
CITADEL ADVISORS LLC
CIK 0001423053
$4M320K0.00%Q2 202609
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
$3M300K0.02%Q2 202610
TCG Crossover Management, LLC
CIK 0001839948
$2M200K0.05%Q2 202611
Affinity Asset Advisors, LLC
CIK 0001773195
$2M200K0.10%Q2 202612
Spruce Street Capital LP
CIK 0002050194
$2M160K0.36%Q2 202613
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$2M160K0.00%Q2 202614
Logos Global Management LP
CIK 0001792126
$1M100K0.05%Q2 202615
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$1M96K0.00%Q2 202616
TORONTO DOMINION BANK
CIK 0000947263
$574K51K0.00%Q2 202617
Woodline Partners LP
CIK 0001784547
$568K50K0.00%Q2 202618
DIADEMA PARTNERS LP
CIK 0002026172
$102K9K0.01%Q2 202619
Clear Street Group Inc.
CIK 0001881567
$81K7K0.00%Q2 202620
Persistent Asset Partners Ltd
CIK 0002056052
$26K2K0.01%Q2 2026
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