TMC the metals company Inc.
TMC the metals company Inc. (TMC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TMC · as of Sep 30, 2025
Ownership Breakdown
191
Institutional Holders
▲ 9 vs Q2
$299.44M
Total Inst. Value
▲ $2.60M vs Q2
433.22M
Shares Outstanding
freeFloat 35.21%
46.99M
13F Shares Held
▲ 1.94M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TMC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FIRST MANHATTAN CO. LLC. metal mining | 15.84M | 4.32% | 4.32% | $100.87B | Nov 14, 2025 | ▼ 76.5K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP metal mining | 3.93M | 1.07% | 1.07% | $25.01B | Nov 14, 2025 | ▲ 49.6K |
BAIRD FINANCIAL GROUP, INC. metal mining | 2.70M | 73.65% | 73.65% | $17.20B | Nov 13, 2025 | ▲ 336.7K |
SOURCEROCK GROUP LLC metal mining | 2.53M | 69.09% | 69.09% | $16.13B | Nov 14, 2025 | NEW |
SUSQUEHANNA INTERNATIONAL GROUP, LLP metal mining | 2.43M | 66.19% | 66.19% | $15.46B | Nov 14, 2025 | ▲ 932.2K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP metal mining | 2.21M | 60.36% | 60.36% | $14.10B | Nov 14, 2025 | ▼ 166.9K |
DRIEHAUS CAPITAL MANAGEMENT LLC metal mining | 2.00M | 54.59% | 54.59% | $12.75B | Nov 14, 2025 | NEW |
OLD WEST INVESTMENT MANAGEMENT, LLC metal mining | 2.00M | 54.48% | 54.48% | $12.72B | Nov 5, 2025 | ▲ 662.2K |
MILLENNIUM MANAGEMENT LLC metal mining | 1.90M | 51.71% | 51.71% | $12.08B | Nov 14, 2025 | ▼ 3.40M |
MORGAN STANLEY metal mining | 1.69M | 45.99% | 45.99% | $10.74B | May 27, 2026 | ▲ 1.30M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+7.23M shares3
New Positions
first time holders18
Decreased
−6.63M shares0
Sold Out
fully exitedNet shares change (top 50)
+601.5K
+7.23M / −6.63M
Net new holders
+12
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TMC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
14
Buy transactions
1
Sell transactions
14.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Madsbjerg Christian director | May 29, 2026 | Award | 16,528 | — | — | 410.4K | Form 4 ↗ |
Madsbjerg Christian director | May 29, 2026 | Award | 19,075 | — | — | 393.9K | Form 4 ↗ |
May Brendan director | May 29, 2026 | Award | 16,528 | — | — | 214.1K | Form 4 ↗ |
May Brendan director | Jun 2, 2026 | Sale | 20,768 | $6.42 | $133.3K | 193.3K | Form 4 ↗ |
Khama Sheila director | May 29, 2026 | Award | 16,528 | — | — | 353.6K | Form 4 ↗ |
Khama Sheila director | May 29, 2026 | Award | 17,316 | — | — | 337.1K | Form 4 ↗ |
Karkar Andrei
| May 29, 2026 | Award | 16,528 | — | — | 460.0K | Form 4 ↗ |
Karkar Andrei
| May 29, 2026 | Award | 17,857 | — | — | 443.5K | Form 4 ↗ |
Hall Andrew director | May 29, 2026 | Award | 16,528 | — | — | 394.1K | Form 4 ↗ |
Hall Andrew director | May 29, 2026 | Award | 18,263 | — | — | 377.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
TMC the metals company Inc. (TMC) is primarily owned by institutional investors, who hold approximately 10.8% of total shares outstanding. Company insiders own approximately 64.79%, while retail and public investors account for the remaining 24.36%.
The largest institutional shareholder of TMC the metals company Inc. is FIRST MANHATTAN CO. LLC., holding approximately 15.84 million shares — equal to 4.32% of outstanding shares — as of September 30, 2025.
A total of 191 institutional investors currently hold TMC stock, with a combined institutional value of approximately $299,438,028 as of the most recent 13F filing period.
Frequently asked questions
TMC ownershipTMC the metals company Inc. (TMC) is primarily owned by institutional investors, who hold approximately 10.8% of shares. The largest shareholder is FIRST MANHATTAN CO. LLC. with a 4.32% stake. Company insiders hold 64.79%. Data sourced from SEC Form 13F as of September 30, 2025.