13F reference period
Q2 2026
Security Snapshot
JATT II Acquisition Corp. - Ordinary Shares, $0.0001 par value (JATT) Institutional Ownership
CUSIP: G50765109
13F Institutional Holders and Ownership History from Q2 2026 to Q3 2026
Institutions Reporting
25
Shares (Excl. Options)
5.44M
Full value: 5,437,682 · shares · 30 Jun 2026Price
$11.36
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
Save this security page for your next review
Watchlists follow companies and investors, across their share classes. Bookmark this page to revisit this specific CUSIP and its quarterly holders. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Ordinary Shares, $0.0001 par value
- Symbol
- JATT on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 5,437,682
- Total 13F value
- $61,744,568
- Portfolio coverage rank
- 0%
- Share change
- +4,937,682
- Value change
- +$56,092,068
- Number of holders
- 25
- Shares outstanding
- 7,792,208
- SEC-reported price per share
- $11.11
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- JATT - JATT II Acquisition Corp. - Ordinary Shares, $0.0001 par value is tracked under CUSIP G50765109.
- 25 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- The headline uses Q2 2026 reported holdings.
- Quarter-over-quarter comparison is unavailable because the immediately preceding quarter is missing.
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
Open SEC evidence
Latest holder context comes from 25 institutions filings for Q2 2026.
Security key
G50765109
13F reference period
Q2 2026
13F holders
25
13D/G owners
6
CIK / CUSIP context first
Open Q2 2026 holders
JATT full holder history
JATT II Acquisition Corp. SEC filings
JATT II Acquisition Corp. company facts
JATT II Acquisition Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G50765109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
JATT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| JATT Ventures II L.P. | 23% | $21,600,000 | 1,800,000 | JATT Ventures II L.P. | 20 Apr 2026 | |||
| Janus Henderson Group Ltd. | 6.2% | $6,000,000 | 500,000 | JANUS HENDERSON GROUP Ltd. | 30 Jun 2026 | |||
| BALYASNY ASSET MANAGEMENT L.P. | 6.2% | $6,000,000 | 500,000 | BALYASNY ASSET MANAGEMENT L.P. | 30 Jun 2026 | |||
| GREAT POINT PARTNERS LLC | 6.2% | $6,000,000 | 500,000 | Great Point Partners, LLC | 30 Jun 2026 | |||
| ADAR1 Capital Management, LLC | 5.4% | $5,012,688 | 417,724 | ADAR1 Capital Management, LLC | 30 Jun 2026 | |||
| Atika Capital Management LLC | 5.1% | $4,800,000 | 400,000 | Atika Capital Management LLC | 30 Jun 2026 |
As of 30 Jun 2026,
25
institutional investors reported holding
shares of
JATT II Acquisition Corp. - Ordinary Shares, $0.0001 par value (JATT).
This represents
70%
of the company’s total
outstanding shares.
5.44M
Full value: 5,437,682 · shares · 30 Jun 20267.79M
Full value: 7,792,208 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
70%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| GREAT POINT PARTNERS LLC | 6.4% | 500,000 | 1.3% | $5,680,000 | |
| Balyasny Asset Management L.P. | 6.4% | 500,000 | 0.01% | $5,680,000 | |
| Jupiter Topco LLC | 6.4% | 500,000 | 0% | 0% | $5,652,500 |
| RA CAPITAL MANAGEMENT, L.P. | 6.4% | 500,000 | 0.05% | $5,680,000 | |
| ADAR1 Capital Management, LLC | 5.4% | 417,724 | 0.22% | $4,745,345 | |
| FRANKLIN RESOURCES INC | 5.1% | 400,000 | 0% | $4,544,000 | |
| Atika Capital Management LLC | 5.1% | 400,000 | 0.45% | $4,544,000 | |
| CITADEL ADVISORS LLC | 4.1% | 319,986 | 0% | $3,635,041 | |
| FARALLON CAPITAL MANAGEMENT, L.L.C. | 3.8% | 300,000 | 0.02% | $3,408,000 | |
| BRAIDWELL LP | 3.2% | 250,000 | 0.11% | $2,840,000 | |
| Nantahala Capital Management, LLC | 2.9% | 225,000 | 0.15% | $2,556,000 | |
| TCG Crossover Management, LLC | 2.6% | 200,000 | 0.05% | $2,272,000 | |
| Affinity Asset Advisors, LLC | 2.6% | 200,000 | 0.11% | $2,272,000 | |
| Spruce Street Capital LP | 2.1% | 160,000 | 0.36% | $1,817,600 | |
| MILLENNIUM MANAGEMENT LLC | 2% | 159,683 | 0% | $1,813,999 | |
| Logos Global Management LP | 1.3% | 100,000 | 0.05% | $1,136,000 | |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 96,165 | 0% | $1,092,434 | |
| TORONTO DOMINION BANK | 0.65% | 50,500 | 0% | $573,680 | |
| Woodline Partners LP | 0.64% | 50,000 | 0% | $568,000 | |
| Magnetar Financial LLC | 0.61% | 47,908 | 0% | $544,235 | |
| 683 Capital Management, LLC | 0.54% | 42,264 | 0.04% | $480,119 | |
| DIADEMA PARTNERS LP | 0.12% | 9,021 | 0.04% | $102,479 | |
| Clear Street Group Inc. | 0.09% | 7,123 | 0% | $80,917 | |
| Persistent Asset Partners Ltd | 0.03% | 2,300 | 0.01% | $26,128 | |
| MORGAN STANLEY | 0% | 8 | 0% | $91 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Headline period
Q2 2026
Rows shown
1-2 of 2