Terawulf Inc
Ownership
Ownership Structure
Who owns Terawulf Inc (WULF)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 76.8% of the shares are freely tradable; institutional investors hold 82.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Lone Pine Capital LLC | 4.84 | 24,144,625 | +21.2 | 06/30/2026 |
| BlackRock Inc | 4.69 | 23,392,928 | -16.9 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.47 | 22,295,667 | -0.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.59 | 17,896,846 | +14.5 | 06/30/2026 |
| FMR Inc | 2.89 | 14,444,267 | +201.6 | 06/30/2026 |
| Value Aligned Research Advisors LLC | 2.46 | 12,263,135 | +56.3 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 2.38 | 11,894,191 | +100.6 | 06/30/2026 |
| Two Sigma Investments LLC | 2.30 | 11,495,860 | +46.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.53 | 12,647,739 | +0.3 | 09/30/2026 |
| Vanguard Small Cap Index | 1.80 | 8,979,826 | -1.6 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Langlais Kerri M. | Chief Strategy Officer | 4,380,381 | 47,746,153 $ | Aug 3, 2026 | direct |
| Prager Paul B. | Chief Executive Officer | 3,807,552 | 41,502,317 $ | Aug 27, 2026 | indirect |
| Khan Nazar M. | Chief Technology Officer | 667,167 | 7,272,120 $ | Sep 29, 2026 | direct |
| Fleury Patrick | Chief Financial Officer | 500,000 | 5,450,000 $ | Aug 1, 2026 | direct |
| Bucella Michael C. | Director | 352,479 | 3,842,021 $ | Sep 30, 2026 | direct |
| Prager Lisa A. | Director | 313,200 | 3,413,880 $ | Sep 30, 2026 | direct |
| Carter Walter E. | Director | 231,202 | 2,520,102 $ | Sep 30, 2026 | direct |
| Motz Catherine J. | Director | 153,218 | 1,670,076 $ | Sep 8, 2026 | direct |
| Tanimoto William Joseph | Chief Accounting Officer | 55,564 | 605,648 $ | Aug 16, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | Prager Lisa A. | Director | Other | 1,690 | – | – |
| Sep 30, 2026 | Carter Walter E. | Director | Other | 2,112 | – | – |
| Sep 30, 2026 | Bucella Michael C. | Director | Other | 1,690 | – | – |
| Sep 29, 2026 | Khan Nazar M. | Chief Technology Officer | Other | 666,667 | – | – |
| Sep 15, 2026 | Bucella Michael C. | Director | Buy | 6,085 | 14.79 | 89,967 |
| Sep 8, 2026 | Motz Catherine J. | Director | Sell | 56,023 | 17.81 | 997,943 |
| Aug 31, 2026 | Carter Walter E. | Director | Sell | 130,626 | 15.14 | 1,977,808 |
| Aug 27, 2026 | Prager Paul B. | Chief Executive Officer | Sell | 137,500 | 17.06 | 2,345,654 |
| Aug 17, 2026 | Bucella Michael C. | Director | Buy | 2,860 | 17.47 | 49,964 |
| Aug 16, 2026 | Tanimoto William Joseph | Chief Accounting Officer | Other | 6,666 | – | – |
| Aug 14, 2026 | Bucella Michael C. | Director | Buy | 3,023 | 16.54 | 49,985 |
| Aug 3, 2026 | Langlais Kerri M. | Chief Strategy Officer | Other | 276,500 | – | – |
| Aug 1, 2026 | Langlais Kerri M. | Chief Strategy Officer | Other | 500,000 | – | – |
| Aug 1, 2026 | Fleury Patrick | Chief Financial Officer | Other | 500,000 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.