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Churchill Capital Corp XI CCXI

US equityMarket cap rank #3597Shell Companies

$11.24 −$0.69 (-5.74%)

Pre-market · Oct 8, 8:20 am ET · After hours $11.26 +0.18%

Open$11.60

Prev close$11.93

Day range$11.18 – $11.70

Volume2.17M

Market cap$626.07M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership51.1%+0.04 pts vs. prior quarter

Institutions holding74-1 vs. prior quarter

Insider trades (recent)1 buys / 0 sellsNet buying

Short interest7.54% of floatDays to cover 2.1 · as of 15 Sep 2026

Short-sale volume share10.2%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$35.7K (10 inflow days, 10 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 42.8% of shares outstanding.

Largest holders

Michael Klein25.67%
Empyrean Capital Partners, LP5.66%
BlueCrest Capital Management Limited4.25%
Fort Baker Capital Management LP3.60%
Polar Asset Management Partners Inc.3.59%
Magnetar Capital Partners, LP3.44%
D. E. Shaw & Co., L.P.2.33%
Sculptor Capital Management, Inc.2.15%

By investor type

Hedge Fund43.88%
Individual/Insider25.67%
Government Pension Fund2.69%
Private Company2.51%
Mutual Fund1.62%
Public Company0.30%
Family Office/Trust0.14%

Reported short interest has risen from 0.87% to 7.54% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
Empyrean Capital Partners, LP	Hedge Fund	2026/Q3	+3,150,000	5.7%
BlueCrest Capital Management Limited	Hedge Fund	2026/Q3	+2,366,396	4.2%
MM Asset Management Inc	Hedge Fund	2026/Q3	+950,474	1.7%
T3 Trading Group, LLC	Private Company	2026/Q3	+947,652	1.7%
Peak6 Group LLC	Hedge Fund	2026/Q3	+778,940	1.4%
Shay Capital LLC	Hedge Fund	2026/Q3	+580,901	1.0%
Creek Drive Management Group LLC	Hedge Fund	2026/Q3	+550,000	1.0%
Harraden Circle Investments, LLC	Hedge Fund	2026/Q3	+478,517	0.9%
Potrero Capital Research, LLC	Hedge Fund	2026/Q3	+450,550	0.8%
LMR Partners LLP	Hedge Fund	2026/Q3	+415,838	0.7%
J. Goldman & Co., L.P.	Hedge Fund	2026/Q3	+358,750	0.6%
Lineage Point Capital LP	Hedge Fund	2026/Q3	+248,500	0.4%
DLD Asset Management, LP	Hedge Fund	2026/Q3	+196,196	0.5%
Jane Street Group, LLC	Private Company	2026/Q3	+167,631	0.3%
UBS Asset Management	Mutual Fund	2026/Q3	+162,061	0.3%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
17 Dec 2025	Michael Klein	Chairperson & CEO	Private Acquisition	+500,000	$10.00	14,300,000
15 Dec 2025	Michael Klein	Chairperson & CEO	Initial Statement of Beneficial	+0	–	13,800,000

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	4,198,929	7.5%	2.1
31 Aug 2026	3,726,460	6.7%	1.5
14 Aug 2026	3,344,619	6.0%	1.1
31 Jul 2026	2,096,192	3.8%	1.0
15 Jul 2026	1,009,940	1.8%	1.0
30 Jun 2026	483,746	0.9%	1.0

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