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5%+ stakes · Schedule 13D and 13G

Activate Energy Acquisition: 5%+ holders

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MentionFox check on Activate Energy Acquisition: no red flags found in 5 sources (checked 6 November 2026). mentionfox.com/c/stakes/activate-energy-acquisition

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Who has reported owning 5% or more of Activate Energy Acquisition, 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, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of Activate Energy Acquisition. The largest reported stake is Adage Capital Management, L.P.'s, at 7.61%. 4 filings are on record since February 12, 2026 (Schedule 13G, February 12, 2026).

Adage Capital Management, L.P. also filed stake reports on 136 other companies ↓

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Key facts

  • · Reporting person: The Goldman Sachs Group, Inc. · Sole voting: 0 · Shared voting: 1,064,896 · Sole dispositive: 0 · Shared dispositive: 1,064,896 · SCHEDULE 13G/A, 2026-08-11
  • · Holder: The Goldman Sachs Group, Inc. · Percent: 7.3% · SCHEDULE 13G
  • · Reporting person: KRYGER CAPITAL Ltd · Sole voting: 0 · Shared voting: 1,250,000 · Sole dispositive: 0 · Shared dispositive: 1,250,000 · SCHEDULE 13G, 2026-02-17
  • · Reporting person: Adage Capital Management, L.P. · Sole voting: 0 · Shared voting: 1,800,000 · Sole dispositive: 0 · Shared dispositive: 1,800,000 · SCHEDULE 13G, 2026-02-12
At 5% or more2
Filings4
Latest filing2026-08-11

Activate Energy Acquisition has 4 Schedule 13D or 13G filings on record since 2026-02-12. 2 holders' latest filing reports 5% or more of class a ordinary shares, par value $0.0001 per share. Each figure below is the holder's own, as filed, with the filing linked.

Holders

HolderPercentSharesLatestEvent date
Adage Capital Management, L.P.7.61%1,800,000SCHEDULE 13G, 2026-02-122025-12-31
KRYGER CAPITAL Ltd6%1,250,000SCHEDULE 13G, 2026-02-172025-12-31
The Goldman Sachs Group, Inc.4.5%1,064,896SCHEDULE 13G/A, 2026-08-112026-06-30

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Keep reading

More on Activate Energy Acquisition and the records around it.

Activate Energy Acquisition elsewhere on the record

Companies that share a holder

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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

A Full Report on Activate Energy Acquisition: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Activate Energy Acquisition 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

    8 cited sources found

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Voting and dispositive power, as filed

Reporting personSole votingShared votingSole dispositiveShared dispositiveFiling
Adage Capital Management, L.P.01,800,00001,800,000SCHEDULE 13G, 2026-02-12
Robert Atchinson01,800,00001,800,000SCHEDULE 13G, 2026-02-12
Phillip Gross01,800,00001,800,000SCHEDULE 13G, 2026-02-12
KRYGER CAPITAL Ltd01,250,00001,250,000SCHEDULE 13G, 2026-02-17
The Goldman Sachs Group, Inc.01,064,89601,064,896SCHEDULE 13G/A, 2026-08-11
Goldman Sachs & Co. LLC01,064,89601,064,896SCHEDULE 13G/A, 2026-08-11

The latest filing identifies Activate Energy Acquisition by CUSIP G0081J103 and gives its principal executive office as 71 Fort Street, PO Box 500, Grand Cayman (SCHEDULE 13G/A, 2026-08-11).

Timeline

FiledHolderPercentFiling
2026-02-12Adage Capital Management, L.P.7.61%SCHEDULE 13G
2026-02-17KRYGER CAPITAL Ltd6%SCHEDULE 13G
2026-05-12The Goldman Sachs Group, Inc.7.3%SCHEDULE 13G
2026-08-11The Goldman Sachs Group, Inc.4.5%SCHEDULE 13G/A

Questions about who owns Activate Energy Acquisition

Who owns Activate Energy Acquisition?

On this page, 2 holders' latest ownership filings report 5% or more of Activate Energy Acquisition: Adage Capital Management, L.P. (7.61%, Schedule 13G, filed 2026-02-12) and KRYGER CAPITAL Ltd (6%, Schedule 13G, filed 2026-02-17).

Who are the largest shareholders of Activate Energy Acquisition?

By the share each holder's latest filing reports, the largest holders of Activate Energy Acquisition on this page are Adage Capital Management, L.P. (7.61%) and KRYGER CAPITAL Ltd (6%).

When did Adage Capital Management, L.P. buy into Activate Energy Acquisition?

The filings give report dates, not purchase dates. The earliest filing from Adage Capital Management, L.P. on this page is the Schedule 13G, filed 2026-02-12, reporting 7.61%.

Is this an audit or a full list?

Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 4 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.

Also on the record for Activate Energy Acquisition

DateRecordFigureOur pageSource
July 17, 2026Leadership change: Paul Moore departs—Leadership changesSource
June 4, 2026Leadership change: David Whitby appointed, Director—Leadership changesSource
December 5, 2025IPO filing, Form 424B4—IPO filingsSource
November 10, 2025IPO 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/activate-energy-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 Activate Energy Acquisition? 2 holders at 5% or more, largest Adage Capital Management, L.P. 7.61%. MentionFox, 2026-11-06. https://mentionfox.com/stakes/activate-energy-acquisition