Security key
57628N101
Massimo Group - Common stock, par value $0.001 per share (MAMO)
CUSIP: 57628N101
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common stock, par value $0.001 per share
- Total 13F shares
- 241,201
- Total 13F value
- $959,979
- Share change
- +133,069
- SEC-reported price per share
- $3.98
- Number of holders
- 12
- Value change
- +$561,157
- Number of buys
- 9
- Number of sells
- 5
- Shares outstanding
- 39,999,900
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
12
Top holders
10
MAMO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Massimo Group SEC filings
Massimo Group company facts
Broader feeds
Reporting periods
Holder history for CUSIP 57628N101
Recent filing periods:
Ownership snapshot
Top reported holders of MAMO - Massimo Group - Common stock, par value $0.001 per share (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
David Shan
Disclosed value leader
David Shan
Comparable rows
15/15
Latest evidence
30 Sep 2025
3/4/5
13D/G
13F
Lead comparable stake: 77%
13D/G row: David Shan
Showing 1-6 of 15 holder rows.
Quick read
David Shan leads the comparable SEC ownership view at 77%.
15 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 David Shan's linked filing trail.
Comparable ownership
Top 5
David Shan
77%
Asia International Securities Exc...
1%
Yunhao Chen
0.33%
Michael Glenn Smith
0.13%
Mark Sheffield
0.02%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| David Shan |
3/4/5
13D/G
Chief Executive Officer, Director, 10%+ Owner
|
77%
from 13D/G
|
$74,289,600
32,160,000 shares
|
— | 29 May 2025 |
| Asia International Securities Exchange Co., Ltd. |
13D/G
|
1%
|
$1,559,996
399,999 shares
|
$0 | 20 Jun 2025 |
| Yunhao Chen |
3/4/5
Chief Financial Officer
|
0.33%
|
$308,001
133,334 shares
|
— | 29 May 2025 |
| Michael Glenn Smith |
3/4/5
Former Officer
|
0.13%
|
$115,500
50,000 shares
|
— | 29 May 2025 |
| Mark Sheffield |
3/4/5
Director
|
0.02%
|
$20,790
9,000 shares
|
— | 29 May 2025 |
| Paolo Pietrogrande |
3/4/5
Director
|
0.02%
|
$20,790
9,000 shares
|
— | 29 May 2025 |
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.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
241,201
Rows available
12
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
10
Q4 2025 holders
12
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend