SEC ownership of Activate Energy Acquisition Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002083689.

Comparable stake leader

Adage Capital Management, L.P.

Disclosed value leader

ADAGE CAPITAL PARTNERS GP, L.L.C.

Comparable rows

3/50

Latest evidence

30 Jun 2026

Top shareholders Insider holders Latest transactions

Public ticker: AEAQ, AEAQU, AEAQW on Nasdaq
Parsed ownership sources: 13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: Adage Capital Management, L.P.
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 3 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: Adage Capital Management, L.P.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0002083689
Issuer location: Grand Cayman

Ownership snapshot

Top shareholders of Activate Energy Acquisition Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Adage Capital Management,...

Disclosed value leader

ADAGE CAPITAL PARTNERS GP...

Comparable rows

3/50

Latest evidence

30 Jun 2026

13D/G 3/4/5 13F Lead comparable stake: 7.6% 47 rows are not safely comparable across share classes. 13D/G row: Adage Capital Management, L.P. Showing 1-8 of 50 holder rows.

Quick read

Adage Capital Management, L.P. leads the comparable SEC ownership view at 7.6%.

3 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Adage Capital Management, L.P.'s linked filing trail.

Comparable ownership Top 3

Adage Capital Management, L.P. 7.6%

KRYGER CAPITAL Ltd 6%

GOLDMAN SACHS GROUP INC 4.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Adage Capital Management, L.P.	13D/G 13D/G	7.6% Reported 13D/G · 31 Dec 2025	$18,018,000 1,800,000 shares	$0	31 Dec 2025
KRYGER CAPITAL Ltd	13D/G 13D/G	6% Reported 13D/G · 31 Dec 2025	$12,512,500 1,250,000 shares	$0	31 Dec 2025
GOLDMAN SACHS GROUP INC	13D/G THE GOLDMAN SACHS GROUP, INC. 13D/G	4.5% Reported 13D/G · 30 Jun 2026	$10,659,609 1,064,896 shares	-$6,657,551	30 Jun 2026
Thomas Joseph Fontaine	3/4/5 Chief Executive Officer, Director, 10%+ Owner 3/4/5	— denominator unverified	— 7,666,667 shares	—	05 Dec 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	— mixed-class rows	$18,296,820 2,700,000 shares mixed-class rows	—	30 Jun 2026
LINDEN ADVISORS LP	13F Company 13F	— mixed-class rows	$11,187,000 1,650,000 shares mixed-class rows	—	30 Jun 2026
LMR Partners LLP	13F Company 13F	— denominator unverified	$11,176,110 1,100,000 shares	—	30 Jun 2026
PICTON MAHONEY ASSET MANAGEMENT	13F Company 13F	— mixed-class rows	$10,594,753 1,552,500 shares mixed-class rows	—	30 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 07 Nov 2025.

Buys

Insiders: 0

Sells

Insiders: 0

Net

Shares: 0

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 0 Shares: 0

Window (months)	Buy value	Sell value	Net value
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-5 of 5 reporting-owner rows connected to Activate Energy Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

David Fain Wood

Net 12M change

Latest report

04 Mar 2026

Name	Relationship	Valuation	Report Date
David Fain Wood	Director	Mixed	05 Dec 2025
Jason Spittlehouse	Director	Mixed	05 Dec 2025
Thomas Joseph Fontaine	Chief Executive Officer, Director, 10%+ Owner	Mixed	05 Dec 2025
Paul Derek Moore	Director	Mixed	04 Mar 2026
Brian Keith Byer	Director	Mixed	04 Mar 2026

Recent insider transactions for Activate Energy Acquisition Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares owned	Date	Ownership
Thomas Joseph Fontaine	AEAQ	Class B ordinary shares, par value $0.0001 per share					0	7,666,667	05 Dec 2025	See Footnote

^* marks a reported price that did not pass the local price check.