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
16/16
Latest evidence
31 Mar 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
-
16 of 16
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Yaman Demir
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 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
16/16
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 5.9%
13D/G row: Yaman Demir
Showing 1-8 of 16 holder rows.
Quick read
Yaman Demir leads the comparable SEC ownership view at 5.9%.
16 of 16 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 5
Yaman Demir
5.9%
Cosmic Vision Innovations Ltd
5.7%
Yucheng Hu
5%
Yunhao Chen
0.01%
Ma Jie
0%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 16 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Yaman Demir |
13D/G
|
5.9%
|
$3,652,333
3,290,390 shares
|
$0 | 09 Nov 2025 |
| Cosmic Vision Innovations Ltd |
13D/G
|
5.7%
|
$2,940,000
3,500,000 shares
|
$0 | 24 Jul 2025 |
| Yucheng Hu |
13D/G
3/4/5
CEO, Director
|
5%
|
$3,647,569
2,763,310 shares
|
-$1,320,000 | 09 Nov 2025 |
| Yunhao Chen |
3/4/5
Director
|
0.01%
|
$4,680
6,000 shares
|
— | 18 Dec 2025 |
| Ma Jie |
3/4/5
CFO
|
0%
|
$756
900 shares
|
— | 18 Dec 2025 |
| MORGAN STANLEY |
13F
Company
|
0.39%
|
$182,741
240,449 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
0.17%
|
$80,337
105,707 shares
|
— | 31 Mar 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.16%
|
$74,643
98,214 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 20 Jun 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.