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ALF CENTURION ACQUISITION CORP

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SHS CL A (common), issuer CIK 2010930

15 managers (15 13F filers) reported a position in ALF shares at 2026-06-30, 4,798,588 shares in all. 4 filers opened a position and 38 filers sold out during the quarter.

Managers
15
13F filers
15
New
4
Added
1
Reduced
5
Sold out
38
Shares held by filers
4,798,588

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Linden Advisors LPin group Linden Advisors LP1,000,000$10.8M0.06%013F-HRTimelineGroup
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC999,999$10.8M0.15%-751,90313F-HRTimelineGroup
Polar Asset Management Partners Inc.925,000$10.1M0.18%013F-HRTimeline
Context Capital Management, LLC500,000$5.44M0.11%new13F-HRTimeline
LMR Partners LLPin group LMR Partners LLP500,000$5.44M0.04%-875,00013F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…500,000$5.41M0.01%new13F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC250,775$2.7M0.04%-1,112,33613F-HR/ATimelineGroup
Kepos Capital LPin group Kepos Capital LP42,500$461K0.63%013F-HRTimelineGroup
ABC ARBITRAGE SAin group ABC ARBITRAGE SA30,000$326K0.04%013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…21,730$235K<0.01%+6,06913F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.12,326$134K<0.01%-4,80013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC12,068$130K<0.01%new13F-HRTimelineGroup
LONGFELLOW INVESTMENT MANAGEMENT CO LLC4,150$45.2K0.01%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY38$411<0.01%-2613F-HRTimelineGroup
Caitong International Asset Management …2$22<0.01%new13F-HRTimeline