Comparable stake leader
MMCAP International Inc. SPC
SEC ownership of MOZAYYX Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002097376.
Disclosed value leader
Anson Funds Management LP
Comparable rows
2/25
Latest evidence
30 Sep 2026
- Public ticker
- MZYX, MZYX-UN, MZYX-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
-
MMCAP International Inc. SPC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 25
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
MMCAP International Inc. SPC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002097376
- Issuer location
- Austin, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MOZAYYX 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
MMCAP International Inc. SPC
Disclosed value leader
Anson Funds Management LP
Comparable rows
2/25
Latest evidence
30 Sep 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.8%
23 rows are not safely comparable across share classes.
13D/G row: MMCAP International Inc. SPC
Showing 1-8 of 25 holder rows.
Quick read
MMCAP International Inc. SPC leads the comparable SEC ownership view at 5.8%.
2 of 25 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 MMCAP International Inc. SPC's linked filing trail.
Comparable ownership
Top 2
MMCAP International Inc. SPC
5.8%
Polar Asset Management Partners Inc.
5.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 25 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MMCAP International Inc. SPC |
13D/G
13F
Company
|
5.8%
Reported 13D/G
· 30 Jun 2026
|
$17,570,000
1,750,000 shares
|
$0 | 30 Jun 2026 |
| Polar Asset Management Partners Inc. |
13D/G
|
5.8%
Reported 13D/G
· 31 Mar 2026
|
—
1,750,000 shares
|
$0 | 31 Mar 2026 |
| MOZAYYX Acquisition Sponsor LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
9,805,000 shares
mixed-class rows
|
— | 24 Feb 2026 |
| Benjamin Ira Zucker |
3/4/5
CEO & CFO, 10%+ Owner
|
—
denominator unverified
|
—
7,187,500 shares
|
— | 24 Feb 2026 |
| Anson Funds Management LP |
13F
Company
|
—
denominator unverified
|
$24,720,500
2,450,000 shares
|
— | 30 Sep 2026 |
| Magnetar Financial LLC |
13F
Company
|
—
denominator unverified
|
$9,980,000
1,000,000 shares
|
— | 30 Sep 2026 |
| Hudson Bay Capital Management LP |
13F
Company
|
—
denominator unverified
|
$8,912,140
893,000 shares
|
— | 30 Sep 2026 |
| OMERS ADMINISTRATION Corp |
13F
Company
|
—
denominator unverified
|
$5,266,980
522,000 shares
|
— | 30 Sep 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 15 Nov 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-8 of 8 reporting-owner rows connected to MOZAYYX Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
Benjamin Ira Zucker
Net 12M change
$0
Latest report
26 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Benjamin Ira Zucker | CEO & CFO, 10%+ Owner | Mixed | 24 Feb 2026 | |||
| Xuan Yong | Director | Mixed | 24 Feb 2026 | |||
| Nathaniel S. Turner | Director | Mixed | 24 Feb 2026 | |||
| MOZAYYX Acquisition Sponsor LLC | 10%+ Owner | Mixed | 24 Feb 2026 | |||
| Danton Joshua Hill | Director | Mixed | 24 Feb 2026 | |||
| James Obulaney | Director | Mixed | 24 Feb 2026 | |||
| Gurpreet Singh Oberoi | Director | Mixed | 24 Feb 2026 | |||
| Emma Rose Bienvenu | Director | Mixed | 26 May 2026 |
Recent insider transactions for MOZAYYX 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| MOZAYYX Acquisition Sponsor LLC | MZYX | Warrants to purchase Class A ordinary shares | Other | 2,305,000 | 2,305,000 | 26 Feb 2026 | Direct | |||
| MOZAYYX Acquisition Sponsor LLC | MZYX | Class B Ordinary Shares | Other | -0.05% | -3,750 | 7,500,000 | 26 Feb 2026 | Direct | ||
| MOZAYYX Acquisition Sponsor LLC | MZYX | Class B Ordinary Shares | Other | 4.4% | 316,250 | 7,503,750 | 24 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.