SEC ownership of Metals Acquisition Corp. II

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002107724.

Comparable stake leader

Empyrean Capital Partners, LP

Disclosed value leader

Mudita Advisors LLP

Comparable rows

45/45

Latest evidence

23 Apr 2026

Top shareholders Insider holders Latest transactions

Public ticker: MTAL, MTAL-UN, MTAL-WT on NYSE
Parsed ownership sources: 13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: Empyrean Capital Partners, LP
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 45 of 45
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: Empyrean Capital Partners, LP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 23 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0002107724
Issuer location: Grand Cayman

Ownership snapshot

Top shareholders of Metals Acquisition Corp. II (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

Empyrean Capital Partners...

Disclosed value leader

Mudita Advisors LLP

Comparable rows

45/45

Latest evidence

23 Apr 2026

13D/G 13F 3/4/5 Lead comparable stake: 8.6% 13D/G row: Empyrean Capital Partners, LP Showing 1-8 of 45 holder rows.

Quick read

Empyrean Capital Partners, LP leads the comparable SEC ownership view at 8.6%.

45 of 45 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 Empyrean Capital Partners, LP's linked filing trail.

Comparable ownership Top 5

Empyrean Capital Partners, LP 8.6%

Mudita Advisors LLP 8.2%

Adage Capital Management, L.P. 7.8%

MILLENNIUM MANAGEMENT LLC 8.4%

ADAGE CAPITAL PARTNERS GP, L.L.C. 7.8%

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

Detailed SEC evidence table Showing 1-8 of 45 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Empyrean Capital Partners, LP	13D/G 13F Company 13D/G 13F	8.6%	$20,433,600 1,980,000 shares	$0	31 Mar 2026
Mudita Advisors LLP	13D/G 3/4/5 Investment Advisor, 10%+ Owner 13D/G 3/4/5	8.2%	$25,075,000 2,500,000 shares	$0	23 Apr 2026
Adage Capital Management, L.P.	13D/G 13D/G	7.8%	$18,054,000 1,800,000 shares	$0	31 Mar 2026
MILLENNIUM MANAGEMENT LLC	13F Company 13F	8.4%	$19,473,700 1,930,000 shares	—	31 Mar 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	7.8%	$18,162,000 1,800,000 shares	—	31 Mar 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	13F Company 13F	4.7%	$10,846,750 1,075,000 shares	—	31 Mar 2026
Magnetar Financial LLC	13F Company 13F	4.3%	$10,090,000 1,000,000 shares	—	31 Mar 2026
MOORE CAPITAL MANAGEMENT, LP	13F Company 13F	4.3%	$10,090,000 1,000,000 shares	—	31 Mar 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

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 03 Aug 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 1-8 of 8 reporting-owner rows connected to Metals Acquisition Corp. II. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Anne Templeman-Jones

Net 12M change

Latest report

12 Mar 2026

Name	Relationship	Valuation	Report Date
Anne Templeman-Jones	Director	Mixed	11 Mar 2026
Christopher Patrick Rosario	SVP & General Counsel	Mixed	11 Mar 2026
Jay Charles Kellerman	Director	Mixed	11 Mar 2026
Morne Engelbrecht	Chief Financial Officer	Mixed	11 Mar 2026
Michael McMullen	Executive Chair, Director	Mixed	11 Mar 2026
Patrice E. Merrin	Director	Mixed	11 Mar 2026
MAC Partners LLC	Director, 10%+ Owner	Mixed	11 Mar 2026
Mudita Advisors LLP	Investment Advisor, 10%+ Owner	Mixed	12 Mar 2026

Recent insider transactions for Metals Acquisition Corp. II

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

Insider	Symbol	Class	Shares owned	Date	Ownership
Mudita Advisors LLP	MTAL	Class A Ordinary Shares (from Units)	1,610,275	12 Mar 2026	Shares directly owned by Mudita Original Partnership LP, advised by Mudita Advisors LLP.
Mudita Advisors LLP	MTAL	Class A Ordinary Shares (from Units)	249,850	12 Mar 2026	Shares directly owned by Mudita Eudoxus LP, advised by Mudita Advisors LLP.
Mudita Advisors LLP	MTAL	Class A Ordinary Shares (from Units)	506,450	12 Mar 2026	Shares directly owned by Cassini Partners LP - Aristillus, advised by Mudita Advisors LLP.
Mudita Advisors LLP	MTAL	Class A Ordinary Shares (from Units)	133,425	12 Mar 2026	Shares directly owned by 238 Plan Associates, advised by Mudita Advisors LLP.

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