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Churchill Capital Corp XI

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Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

Churchill Capital Corp XI

CIK 0002074973CCXICCXIUCCXIW· quarter ending 2026-06-30
Shares outstanding
55,700,000
as of 2026-08-13 · 10-Q cover page, filed 2026-08-13
Held by 13F filers
3,157,512
selection includes debt or preferreds — no % of shares outstanding
Holders
31
-8 vs 2026-03-31 · 10 new, 18 exited
Value
$23.5M
shares +22.7% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-13, as of 2026-08-13)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common Class ACCXI · NASDAQ41,900,00028,427,95667.8%72G2131A108
Common Class Bnot listed13,800,000——

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
G2131A108CL A ORD SHS7228,427,95641,900,00067.8%$496.0M—13DGholders →
G2131A116*W EXP 12/10/203not common313,157,512——$23.5M—prefixholders →
G2131A124UNIT 12/10/2030not common4615,381——$11.1M—13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (31 of 31 · G2131A116)

change vs 2026-03-31
#FilerShares / principal% of classValueChange
1Walleye Capital LLC431,732—$3.2MNEW
2Empyrean Capital Partners, LP350,000—$2.6MNEW
3LMR Partners LLP349,193—$2.6MNEW
4MMCAP International Inc. SPC270,000—$2.0MNEW
5Magnetar Financial LLC270,000—$2.0M—
6Fort Baker Capital Management LP225,295—$1.7M—
7Polar Asset Management Partners Inc.202,700—$1.5M+2,700 (+1.4%)
8Alberta Investment Management Corp150,000—$1.1M—
9D. E. Shaw & Co., Inc.129,718—$973K—
10K2 PRINCIPAL FUND, L.P.109,301—$810KNEW
11MOORE CAPITAL MANAGEMENT, LP100,000—$741K—
12TENOR CAPITAL MANAGEMENT Co., L.P.75,000—$556K—
13HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND75,000—$563K—
14BlueCrest Capital Management Ltd50,000—$371KNEW
15Linden Advisors LP49,999—$380K-50,000 (-50.0%)
16AQR Arbitrage LLC40,583—$294K+7,876 (+24.1%)
17ARISTEIA CAPITAL, L.L.C.38,055—$289K-11,943 (-23.9%)
18Saba Capital Management, L.P.32,726—$249K+19,484 (+147.1%)
19Shaolin Capital Management LLC29,682—$220K-23,769 (-44.5%)
20Periscope Capital Inc.27,500—$205K-17,400 (-38.8%)
21Verition Fund Management LLC25,000—$188K-36,054 (-59.1%)
22Clear Street Group Inc.22,450—$166K+4,801 (+27.2%)
23GABELLI & Co INVESTMENT ADVISERS, INC.17,660—$131KNEW
24BNP PARIBAS FINANCIAL MARKETS17,546—$130K—
25GABELLI FUNDS LLC16,440—$122KNEW
26HBK INVESTMENTS L P15,000—$113K-15,000 (-50.0%)
27HRT FINANCIAL LP11,475—$86KNEW
28Jain Global LLC10,000—$75KNEW
29WHITEBOX ADVISORS LLC10,000—$74K—
30Sculptor Capital LP3,207—$24K-196,793 (-98.4%)
31Mint Tower Capital Management B.V.2,250—$17K—
Exited since 2026-03-31 (18 filers; largest 18 shown)
ADAGE CAPITAL PARTNERS GP, L.L.C.−225,000
TORONTO DOMINION BANK−126,000
PICTON MAHONEY ASSET MANAGEMENT−75,000
Hudson Bay Capital Management LP−64,638
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS−49,499
HEIGHTS CAPITAL MANAGEMENT, INC−44,817
Governors Lane LP−30,000
SONA ASSET MANAGEMENT (US) LLC−20,000
Lighthouse Investment Partners, LLC−20,000
GLAZER CAPITAL, LLC−19,241
BERKLEY W R CORP−16,824
Boussard & Gavaudan Investment Management LLP−10,000
Ilex Capital Partners (UK) LLP−10,000
Context Capital Management, LLC−2,250
WOLVERINE ASSET MANAGEMENT LLC−2,000
ExodusPoint Capital Management, LP−500
PenderFund Capital Management Ltd.−250
Mercuria Capital Strategies, LLC−100

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
MM Asset Management Inc.SCHEDULE 13G/A2026-08-142026-06-30950,4742.3%
MMCAP International Inc. SPCSCHEDULE 13G/A2026-08-142026-06-30950,4742.3%
Steven Patrick PigottSCHEDULE 13G/A2026-08-142026-06-302,003,6974.8%
Meron AmosSCHEDULE 13G2026-08-142026-06-303,150,0007.52%
Fort Baker Capital Management LPSCHEDULE 13G/A2026-08-142026-06-302,003,6974.8%
Empyrean Capital Partners, LPSCHEDULE 13G2026-08-142026-06-303,150,0007.52%
Fort Baker Capital, LLCSCHEDULE 13G/A2026-08-142026-06-302,003,6974.8%
DAVID J. SNYDERMANSCHEDULE 13G/A2026-08-132026-06-301,918,5254.58%
SUPERNOVA MANAGEMENT LLCSCHEDULE 13G/A2026-08-132026-06-301,918,5254.58%
MAGNETAR CAPITAL PARTNERS LPSCHEDULE 13G/A2026-08-132026-06-301,918,5254.58%
MAGNETAR FINANCIAL LLCSCHEDULE 13G/A2026-08-132026-06-301,918,5254.58%
Robert AtchinsonSCHEDULE 13G/A2026-08-122026-06-30785,5231.87%
Phillip GrossSCHEDULE 13G/A2026-08-122026-06-30785,5231.87%
Adage Capital Management, L.P.SCHEDULE 13G/A2026-08-122026-06-30785,5231.87%
Millennium Group Management LLCSCHEDULE 13G/A2026-07-312026-06-301,490,6363.6%
Israel A. EnglanderSCHEDULE 13G/A2026-07-312026-06-301,490,6363.6%
Millennium Management LLCSCHEDULE 13G/A2026-07-312026-06-301,490,6363.6%
Huang Capital Inc.SCHEDULE 13G2026-07-202026-07-131,330,0083.17%
RichRich Capital LLCSCHEDULE 13G2026-07-202026-07-13179,0260%
Huang RichSCHEDULE 13G2026-07-202026-07-132,150,1775.13%
BlueCrest Capital Management LtdSCHEDULE 13G2026-07-022026-06-262,354,2335.6%
Platt Michael EdwardSCHEDULE 13G2026-07-022026-06-262,354,2335.6%
M. Klein Associates, Inc.SCHEDULE 13D/A2026-06-262026-06-2414,300,00025.7%
Churchill Sponsor XI LLCSCHEDULE 13D/A2026-06-262026-06-2414,300,00025.7%
Michael KleinSCHEDULE 13D/A2026-06-262026-06-2414,300,00025.7%
Amos MeronSCHEDULE 13G2026-02-172025-12-313,500,0008.35%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.