Black Diamond Therapeutics Inc
Ownership
Ownership Structure
Who owns Black Diamond Therapeutics Inc (BDTX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 91.6% of the shares are freely tradable; institutional investors hold 78.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| NEA Management Company, LLC | 7.74 | 4,448,757 | +0.0 | 06/30/2026 |
| T. Rowe Price Investment Management,Inc. | 7.01 | 4,028,202 | -61.9 | 06/30/2026 |
| BlackRock Inc | 6.82 | 3,917,088 | +253.9 | 06/30/2026 |
| Acadian Asset Management LLC | 4.09 | 2,348,651 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.70 | 2,125,270 | +14.9 | 06/30/2026 |
| Renaissance Technologies Corp | 3.42 | 1,962,394 | +19.4 | 06/30/2026 |
| Defilade Capital Management, L.P. | 2.92 | 1,674,999 | +0.0 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 2.38 | 1,365,384 | +4.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| T. Rowe Price Small-Cap Value | 3.58 | 2,058,232 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.71 | 1,556,251 | +0.0 | 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 |
|---|---|---|---|---|---|
| Behbahani Ali | Director | 110,236 | 187,401 $ | Sep 18, 2026 | direct |
| Raman Prakash | Director | 51,840 | 88,128 $ | Sep 18, 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 18, 2026 | Raman Prakash | Director | Other | 6,801 | 1.93 | 13,126 |
| Sep 18, 2026 | Behbahani Ali | Director | Other | 7,707 | 1.93 | 14,875 |
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 5, 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.