Security key
87261Y106
TMC the metals Co Inc. - TMC Common Shares without par value (TMC)
CUSIP: 87261Y106
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / TMC Common Shares without par value
- Total 13F shares
- 60,519,545
- Total 13F value
- $282,826,184
- Share change
- +12,348,249
- Put/Call ratio
- 55%
- SEC-reported price per share
- $4.67
- Number of holders
- 207
- Value change
- +$51,737,297
- Number of buys
- 111
- Number of sells
- 71
- Shares outstanding
- 432,708,340
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
207
Top holders
10
TMC full security history
Ownership snapshot
Full 13F holder table
TMC the metals Co Inc. SEC filings
TMC the metals Co Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of TMC - TMC the metals Co Inc. - TMC Common Shares without par value (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
Korea Zinc Company, Ltd.
Disclosed value leader
Korea Zinc Company, Ltd.
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.2%
13D/G row: Korea Zinc Company, Ltd.
Showing 1-6 of 15 holder rows.
Quick read
Korea Zinc Company, Ltd. leads the comparable SEC ownership view at 7.2%.
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 Korea Zinc Company, Ltd.'s linked filing trail.
Comparable ownership
Top 5
Korea Zinc Company, Ltd.
7.2%
FIRST MANHATTAN CO. LLC.
4.9%
William George Brumder II
3.4%
Michael Bernard Hess
2.6%
Alex Spiro
0.4%
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 |
|---|---|---|---|---|---|
| Korea Zinc Company, Ltd. |
13D/G
|
7.2%
|
$127,159,474
26,491,557 shares
|
$0 | 25 Jun 2025 |
| FIRST MANHATTAN CO. LLC. |
13F
13D/G
Company
|
4.9%
from 13D/G
|
$94,499,251
15,315,924 shares
|
— | 31 Dec 2025 |
| William George Brumder II |
13D/G
Brumder William George
|
3.4%
|
$63,811,593
14,703,132 shares
|
-$73,082,163 | 31 Mar 2026 |
| Michael Bernard Hess |
3/4/5
Director
|
2.6%
|
$60,225,494
11,070,863 shares
|
— | 02 Sep 2025 |
| Alex Spiro |
3/4/5
Director
|
0.4%
|
$9,520,000
1,750,000 shares
|
— | 02 Sep 2025 |
| Amelia Kinahoi Siamomua |
3/4/5
Director
|
0.07%
|
$874,522
294,452 shares
|
— | 30 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
207
Shares
60,519,545
Rows available
207
| 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 Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
207
Q1 2026 holders
207
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|