$CXII

$10.40 +$0.06 (0.62%) Close

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

Ownership

13F as of Q2 2026 · 12.0M shares outstanding

Who owns CXII?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 395.2%

M. Klein Associates, Inc. 117.9% · Churchill Sponsor XII LLC 117.9%

Institutional ownership

100.0%

+100.0 pts vs last qtr

Institutional holders

+65 vs last qtr

Net shares bought

+40.9M

by institutions in Q2 2026

New / sold out

65 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Magnetar Financial LLC NEW +2.7M
MMCAP International Inc. SPC NEW +2.7M

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Churchill Capital Corp XII in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Churchill Capital Corp XII.

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 CXII on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MF Magnetar Financial LLC	2.7M	22.50%	NEW	Q2 '26	0.3%
Shares held by quarter Peak holding2.7M (Q2'26) Change over 8 quarters+2.7M Share of the company22.500% Magnetar Financial LLC's full portfolio →
AC Adage Capital Partners GP, L.L.C.	2.7M	22.50%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding2.7M (Q2'26) Change over 8 quarters+2.7M Share of the company22.500% Adage Capital Partners GP, L.L.C.'s full portfolio →

Magnetar Financial LLC

2.7M

% of company

22.50%

Change vs last qtr

NEW

Held since

Q2 '26

Adage Capital Partners GP, L.L.C.

2.7M

% of company

22.50%

Change vs last qtr

NEW

Held since

Q2 '26

23 more super investors behind a free account

See every manager holding Churchill Capital Corp XII, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CXII on Form N-PORT; together they hold 0.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
SC Saba Capital Income & Opportunities Fund Saba Capital Income & Opportunities Fund	$165K	15.5K	0.13%	0.04%	July 31, 2026
SC Saba Capital Income & Opportunities Fund II Saba Capital Income & Opportunities Fund II	$71K	6.7K	0.06%	0.03%	July 31, 2026

Saba Capital Income & Opportunities Fund

Position value

$165K

% of company

0.13%

% of the fund

0.04%

As of

July 31, 2026

Saba Capital Income & Opportunities Fund II

Position value

$71K

% of company

0.06%

% of the fund

0.03%

As of

July 31, 2026

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
MK M. Klein Associates, Inc. 5%+ holder 13D · 25.5%	14.2M	117.92%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company117.920% Disclosed stake13D · 25.5% View the 13D/G filing →
CS Churchill Sponsor XII LLC 5%+ holder 13D · 25.5%	14.2M	117.92%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company117.920% Disclosed stake13D · 25.5% View the 13D/G filing →

M. Klein Associates, Inc.

5%+ holder13D · 25.5%

14.2M

% of company

117.92%

Change vs last qtr

—

Held since

—

Churchill Sponsor XII LLC

5%+ holder13D · 25.5%

14.2M

% of company

117.92%

Change vs last qtr

—

Held since

—

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