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5%+ stakes · Schedule 13D and 13G

A SPAC III Acquisition Corp.: 5%+ holders

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MentionFox check on A SPAC III Acquisition Corp.: no red flags found in 13 sources (checked 6 November 2026). mentionfox.com/c/stakes/a-spac-iii-acquisition

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Who has reported owning 5% or more of A SPAC III Acquisition Corp., from Schedule 13D and 13G filings: each holder's stake as filed, the timeline, and the purpose each 13D states, quoted.

As of November 6, 2026, A SPAC III Acquisition Corp. has Schedule 13D or 13G filings on record, none whose latest reports a stake of 5% or more. 13 filings are on record since July 11, 2025 (Schedule 13G/A, February 12, 2026).

ATW SPAC MANAGEMENT LLC also filed stake reports on 3 other companies ↓

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Key facts

  • · Holder: Bank Of Montreal · Percent: 0% · SCHEDULE 13G/A
  • · Holder: Mizuho Financial Group, Inc. · Percent: 0% · SCHEDULE 13G/A
  • · Holder: W. R. Berkley Corporation · Percent: 0% · SCHEDULE 13G/A
  • · Holder: Atw Spac Management LLC · Percent: 0% · SCHEDULE 13G/A
  • · Holder: Boothbay Fund Management LLC · Percent: 0% · SCHEDULE 13G/A
At 5% or more0
Filings13
Latest filing2026-02-12

A SPAC III Acquisition Corp. has 13 Schedule 13D or 13G filings on record since 2025-07-11. No holder's latest filing reports 5% or more. Each figure below is the holder's own, as filed, with the filing linked.

Holders

HolderPercentSharesLatestEvent date
Wolverine Asset Management LLC0%0SCHEDULE 13G/A, 2025-10-312025-10-27
W. R. Berkley Corporation0%0SCHEDULE 13G/A, 2026-02-112025-12-31
Mizuho Financial Group, Inc.0%0SCHEDULE 13G/A, 2026-02-122025-12-31
Feis Equities LLC0%0SCHEDULE 13G/A, 2025-11-042025-10-30
Bank Of Montreal0%0SCHEDULE 13G/A, 2026-02-122025-12-31
Atw Spac Management LLC0%0SCHEDULE 13G/A, 2026-02-062025-12-31
Boothbay Fund Management LLC0%0SCHEDULE 13G/A, 2025-11-142025-09-30

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More on A SPAC III Acquisition Corp. and the records around it.

Companies that share a holder

Want the whole picture on A SPAC III Acquisition Corp.?

Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

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What the Full Report on A SPAC III Acquisition Corp. covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    17 cited sources found

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First screen of a real sample Full Report on EchoStar: the verdict, 17 sections, 63 cited sources, built 2026-10-21A real finished report, first screen. Opens in a new tab.

Timeline

FiledHolderPercentFiling
2025-07-11Wolverine Asset Management LLC8.9%SCHEDULE 13G/A
2025-08-08W. R. Berkley Corporation7.9%SCHEDULE 13G
2025-08-13Mizuho Financial Group, Inc.8.8%SCHEDULE 13G/A
2025-10-31Wolverine Asset Management LLC0%SCHEDULE 13G/A
2025-11-04Feis Equities LLC0%SCHEDULE 13G/A
2025-11-10W. R. Berkley Corporation9.4%SCHEDULE 13G/A
2025-11-13Bank Of Montreal5.18%SCHEDULE 13G/A
2025-11-13Kerry Propper7.5%SCHEDULE 13G/A
2025-11-14Boothbay Fund Management LLC0%SCHEDULE 13G/A
2026-02-06Atw Spac Management LLC0%SCHEDULE 13G/A
2026-02-11W. R. Berkley Corporation0%SCHEDULE 13G/A
2026-02-12Bank Of Montreal0%SCHEDULE 13G/A
2026-02-12Mizuho Financial Group, Inc.0%SCHEDULE 13G/A

Also on the record for A SPAC III Acquisition Corp.

DateRecordFigureOur pageSource
November 8, 2024IPO filing, Form 424B4—IPO filingsSource
November 5, 2024IPO filing, Form S-1/A—IPO filingsSource
October 25, 2024IPO filing, Form S-1/A—IPO filingsSource
October 1, 2024IPO filing, Form S-1—IPO filingsSource

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Where this comes from

Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.

Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.

Cite this page

Permanent URL: https://mentionfox.com/stakes/a-spac-iii-acquisition
Last updated 2026-11-06
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Who owns 5% or more of A SPAC III Acquisition Corp.? Stakes filed. MentionFox, 2026-11-06. https://mentionfox.com/stakes/a-spac-iii-acquisition