Comparable stake leader
Yaman Demir
SEC ownership of Mega Matrix Inc
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001953021.
Disclosed value leader
Yaman Demir
Comparable rows
3/15
Latest evidence
30 Jun 2026
- Public ticker
- MPU on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Yaman Demir
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
3 of 15
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Yaman Demir
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
- 0001953021
- Issuer location
- Grand Cayman, Cayman Islands
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 Mega Matrix Inc (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
Yaman Demir
Disclosed value leader
Yaman Demir
Comparable rows
3/15
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 5.9%
12 rows are not safely comparable across share classes.
13D/G row: Yaman Demir
Showing 1-8 of 15 holder rows.
Quick read
Yaman Demir leads the comparable SEC ownership view at 5.9%.
3 of 15 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 Yaman Demir's linked filing trail.
Comparable ownership
Top 3
Yaman Demir
5.9%
Yucheng Hu
5%
Cosmic Vision Innovations Ltd
4.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Yaman Demir |
13D/G
|
5.9%
Reported 13D/G
· 09 Nov 2025
|
$3,652,333
3,290,390 shares
|
$0 | 09 Nov 2025 |
| Yucheng Hu |
13D/G
3/4/5
CEO, Director
|
5%
Reported 13D/G
· 09 Nov 2025
|
$3,647,569
2,763,310 shares
|
-$1,320,000 | 09 Nov 2025 |
| Cosmic Vision Innovations Ltd |
13D/G
|
4.6%
Reported 13D/G
· 08 Jun 2026
|
$1,765,421
2,847,453 shares
|
-$404,579 | 08 Jun 2026 |
| HRT FINANCIAL LP |
13F
Company
|
—
denominator unverified
|
$282,000
956,921 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
—
denominator unverified
|
$114,746
388,970 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$70,932
240,449 shares
|
— | 30 Jun 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
denominator unverified
|
$40,812
138,345 shares
|
— | 30 Jun 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$15,360
52,067 shares
|
— | 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 30 Oct 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 1-5 of 5 reporting-owner rows connected to Mega Matrix Inc. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Yucheng Hu
Net 12M change
$0
Latest report
18 Dec 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Yucheng Hu | CEO, Director | $126,000 | Mixed | 18 Dec 2025 | ||
| Yunhao Chen | Director | $4,680 | Mixed | 18 Dec 2025 | ||
| Ma Jie | Cfo | $756 | Mixed | 18 Dec 2025 | ||
| Qin Yao | Director | Mixed | 18 Dec 2025 | |||
| Yaman Demir | Director | Mixed | 18 Dec 2025 |
Recent insider transactions for Mega Matrix Inc
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Yunhao Chen | MPU | Class A ordinary shares | 0 | 6,000 | 18 Dec 2025 | Direct | ||||
| Ma Jie | MPU | Class A Ordinary Shares | 0 | 900 | 18 Dec 2025 | Direct | ||||
| Yucheng Hu | MPU | Class A Ordinary Shares | 0 | 150,000 | 18 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.