$JATT

$10.25 -$0.04 (0.39%) Close

$JATT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 7.8M shares outstanding

Who owns JATT?

By type of holder

Institutions 69.7% Insiders 0.0% Everyone else 30.3%

Concentration Top 10 holders own 91.5%

Someit Sidhu 23.1% · JATT Ventures II L.P. 23.1%

Institutional ownership

69.7%

+69.7 pts vs last qtr

Institutional holders

+25 vs last qtr

Net shares bought

+5.4M

by institutions in Q2 2026

New / sold out

25 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +500.0K
Balyasny Asset Management L.P. NEW +500.0K

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for JATT II Acquisition Corp in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for JATT II Acquisition Corp.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

—

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting JATT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
JT Jupiter Topco LLC	500.0K	6.41%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding500.0K (Q2'26) Change over 8 quarters+500.0K Share of the company6.410% Jupiter Topco LLC's full portfolio →
BA Balyasny Asset Management L.P.	500.0K	6.41%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding500.0K (Q2'26) Change over 8 quarters+500.0K Share of the company6.410% Balyasny Asset Management L.P.'s full portfolio →

Jupiter Topco LLC

500.0K

% of company

6.41%

Change vs last qtr

NEW

Held since

Q2 '26

Balyasny Asset Management L.P.

500.0K

% of company

6.41%

Change vs last qtr

NEW

Held since

Q2 '26

23 more super investors behind a free account

See every manager holding JATT II Acquisition Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting JATT on Form N-PORT; together they hold 0.0% of the company

No fund reports holding JATT yet.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SS Someit Sidhu 5%+ holder 13D · 23.1%	1.8M	23.08%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company23.080% Disclosed stake13D · 23.1% View the 13D/G filing →
JV JATT Ventures II L.P. 5%+ holder 13D · 23.1%	1.8M	23.08%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company23.080% Disclosed stake13D · 23.1% View the 13D/G filing →

Someit Sidhu

5%+ holder13D · 23.1%

1.8M

% of company

23.08%

Change vs last qtr

—

Held since

—

JATT Ventures II L.P.

5%+ holder13D · 23.1%

1.8M

% of company

23.08%

Change vs last qtr

—

Held since

—

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