$JACS

$10.82 -$0.01 (0.09%) Close

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

Ownership

13F as of Q2 2026 · 29.6M shares outstanding

Who owns JACS?

By type of holder

Institutions 76.4% Everyone else 23.6%

No insider has reported a holding in the last two years, so insiders are counted in "Everyone else".

Concentration Top 10 holders own 39.2%

Mizuho Securities USA LLC 5.5% · Hudson Bay Capital Management LP 5.1%

Institutional ownership

76.4%

-0.0 pts vs last qtr

Institutional holders

-2 vs last qtr

Net shares bought

−15.7K

by institutions in Q2 2026

New / sold out

2 / 4

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Mizuho Securities USA LLC +905.3K
Highbridge Capital Management LLC +745.8K

Biggest sellers in Q2 2026

Heights Capital Management, Inc SOLD OUT −700.0K
Meteora Capital, LLC −691.6K

Who is planning to sell?

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

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Jackson Acquisition Company II.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years91% Under 1 year9%

Quarterly turnover

9.9%

of institutional shares changed hands

Top 10 managers, median time held

1.5 years

Super Investors

Investment managers reporting JACS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MS Mizuho Securities USA LLC	1.6M	5.48%	+905.3K (+126.7%)	2025	0.2%
Shares held by quarter Peak holding1.6M (Q2'26) Change over 8 quarters+1.6M Share of the company5.480% Mizuho Securities USA LLC's full portfolio →
HB Hudson Bay Capital Management LP	1.5M	5.14%	Unchanged	2024	0.0%
Shares held by quarter Peak holding1.5M (Q1'26) Change over 8 quarters+1.5M Share of the company5.140% Hudson Bay Capital Management LP's full portfolio →

Mizuho Securities USA LLC

1.6M

% of company

5.48%

Change vs last qtr

+905.3K (+126.7%)

Held since

2025

Hudson Bay Capital Management LP

1.5M

% of company

5.14%

Change vs last qtr

Unchanged

Held since

2024

27 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting JACS on Form N-PORT; together they hold 3.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FT First Trust Merger Arbitrage Fund Investment Managers Series Trust II	$5.08M	477.7K	1.61%	0.31%	June 30, 2026
SO Special Opportunities Fund, Inc. Special Opportunities Fund, Inc.	$1.09M	102.7K	0.35%	0.63%	June 30, 2026

First Trust Merger Arbitrage Fund

Investment Managers Series Trust II

Position value

$5.08M

% of company

1.61%

% of the fund

0.31%

As of

June 30, 2026

Special Opportunities Fund, Inc.

Position value

$1.09M

% of company

0.35%

% of the fund

0.63%

As of

June 30, 2026

6 more funds behind a free account

See every fund holding Jackson Acquisition Company II and how much of the fund the position is.

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