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Disclosery

ALPXU ALPEX ACQUISITION CORP

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UNIT 06/05/2031 (unit), issuer CIK 2125551

35 managers (35 13F filers) reported a position in ALPXU shares at 2026-06-30, 10,659,851 shares in all. 35 filers opened a position and 0 filers sold out during the quarter.

Managers
35
13F filers
35
New
35
Added
0
Reduced
0
Sold out
0
Shares held by filers
10,659,851

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
HIGHBRIDGE CAPITAL MANAGEMENT LLC950,000$9.52M0.32%new13F-HRTimeline
Decagon Asset Management LLP702,988$7.04M1.41%new13F-HRTimeline
Harraden Circle Investments, LLC650,000$6.51M0.83%new13F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC558,604$5.56M0.09%new13F-HR/ATimelineGroup
ARISTEIA CAPITAL, L.L.C.550,000$5.51M0.09%new13F-HRTimeline
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…550,000$5.51M1.27%new13F-HRTimelineGroup
RiverPark Advisors, LLCin group RiverPark Advisors, LLC475,000$4.76M2.17%new13F-HRTimelineGroup
Crossingbridge Advisors, LLC475,000$4.76M0.84%new13F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC403,300$4.04M0.05%new13F-HRTimelineGroup
WHITEBOX ADVISORS LLC400,000$4.01M0.06%new13F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC400,000$4.01M0.04%new13F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC375,000$3.76M0.07%new13F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK345,000$3.46M0.01%new13F-HRTimelineGroup
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC338,625$3.39M0.05%new13F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…300,000$3.01M0.01%new13F-HRTimelineGroup
Yakira Capital Management, Inc.300,000$3.01M0.89%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS286,375$2.87M<0.01%new13F-HRTimelineGroup
Shaolin Capital Management LLC286,200$2.87M0.16%new13F-HRTimeline
RIVERNORTH CAPITAL MANAGEMENT, LLC250,000$2.52M0.12%new13F-HRTimeline
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC250,162$2.51M0.06%new13F-HRTimelineGroup
Radcliffe Capital Management, L.P.241,784$2.42M0.18%new13F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC200,000$2M0.01%new13F-HRTimelineGroup
Polar Asset Management Partners Inc.200,000$2M0.04%new13F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.200,000$2M0.01%new13F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP181,250$1.82M<0.01%new13F-HRTimelineGroup
Lineage Point Capital LP135,000$1.35M0.28%new13F-HRTimeline
BERKLEY W R CORP125,000$1.25M0.06%new13F-HRTimeline
Verition Fund Management LLC100,000$1M0.01%new13F-HR/ATimeline
Aristides Capital LLC100,000$1M0.26%new13F-HRTimeline
Periscope Capital Inc.100,000$1M0.16%new13F-HRTimeline
Bulldog Investors, LLP74,589$748K0.16%new13F-HRTimeline
Schonfeld Strategic Advisors LLC40,004$401K<0.01%new13F-HRTimeline
Warberg Asset Management LLC40,000$401K0.12%new13F-HRTimeline
StoneX Group Inc.in group StoneX Group Inc.38,400$385K0.02%new13F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC37,570$376K0.01%new13F-HRTimelineGroup