Blacksky Technology Inc
Ownership
Ownership Structure
Who owns Blacksky Technology Inc (BKSY)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 86.3% of the shares are freely tradable; institutional investors hold 68.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.56 | 3,094,695 | +21.8 | 06/30/2026 |
| Tidal Investments LLC. | 3.44 | 1,407,186 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.39 | 1,387,004 | +3.6 | 06/30/2026 |
| Awm Investment Company Inc | 2.93 | 1,200,000 | -30.5 | 06/30/2026 |
| Tema ETFs | 2.93 | 1,197,418 | -17.2 | 09/30/2026 |
| Driehaus Capital Management LLC | 2.53 | 1,033,578 | +0.0 | 06/30/2026 |
| Van Eck Associates Corporation | 2.50 | 1,024,892 | +55.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.01 | 1,232,823 | +24.2 | 09/30/2026 |
| VanEck Space Innovators ETF A USD Acc | 2.98 | 1,218,559 | +0.0 | 09/30/2026 |
| Tema Space Innovators ETF | 2.93 | 1,197,418 | +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 |
|---|---|---|---|---|---|
| O'Toole Brian E | CEO and President | 1,023,396 | 19,546,864 $ | Oct 20, 2026 | direct |
| Dubois Henry Edward | Chief Financial Officer | 474,931 | 9,071,182 $ | Oct 20, 2026 | direct |
| Lin Christiana L | General Counsel & CAO | 415,680 | 7,939,488 $ | Oct 20, 2026 | direct |
| DiDomenico David | Director | 180,568 | 3,448,849 $ | Sep 11, 2026 | direct |
| Porteous William D. | Director | 88,378 | 1,688,020 $ | Sep 30, 2026 | direct |
| Tolonen James R | Director | 86,906 | 1,659,905 $ | Sep 30, 2026 | direct |
| Gordon Susan M. | Director | 85,612 | 1,635,189 $ | Sep 30, 2026 | direct |
| Abraham Magid M | Director | 73,985 | 1,413,114 $ | Sep 30, 2026 | direct |
| Harvey Timothy M. | Director | 64,722 | 1,236,190 $ | Sep 11, 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 |
|---|---|---|---|---|---|---|
| Oct 20, 2026 | O'Toole Brian E | CEO and President | Sell | 20,000 | 16.86 | 337,200 |
| Oct 20, 2026 | Lin Christiana L | General Counsel & CAO | Sell | 6,000 | 16.86 | 101,160 |
| Oct 20, 2026 | Dubois Henry Edward | Chief Financial Officer | Sell | 4,000 | 16.85 | 67,400 |
| Sep 30, 2026 | Porteous William D. | Director | Other | 1,055 | 0.00 | – |
| Sep 30, 2026 | Gordon Susan M. | Director | Other | 1,055 | 0.00 | – |
| Sep 30, 2026 | Abraham Magid M | Director | Other | 1,055 | 0.00 | – |
| Sep 30, 2026 | Tolonen James R | Director | Other | 1,055 | 0.00 | – |
| Sep 21, 2026 | O'Toole Brian E | CEO and President | Sell | 20,000 | 22.88 | 457,600 |
| Sep 21, 2026 | Lin Christiana L | General Counsel & CAO | Sell | 6,000 | 23.10 | 138,600 |
| Sep 21, 2026 | Dubois Henry Edward | Chief Financial Officer | Sell | 4,000 | 22.97 | 91,880 |
| Sep 11, 2026 | Harvey Timothy M. | Director | Other | 7,278 | 0.00 | – |
| Sep 11, 2026 | Porteous William D. | Director | Other | 8,733 | 0.00 | – |
| Sep 11, 2026 | Gordon Susan M. | Director | Other | 7,278 | 0.00 | – |
| Sep 11, 2026 | DiDomenico David | Director | Other | 7,278 | 0.00 | – |
| Sep 11, 2026 | O'Toole Brian E | CEO and President | Sell | 56,280 | 20.95 | 1,179,066 |
| Sep 11, 2026 | Abraham Magid M | Director | Other | 7,278 | 0.00 | – |
| Sep 11, 2026 | Lin Christiana L | General Counsel & CAO | Sell | 13,052 | 20.95 | 273,439 |
| Sep 11, 2026 | Dubois Henry Edward | Chief Financial Officer | Sell | 15,225 | 20.95 | 318,964 |
| Sep 11, 2026 | Tolonen James R | Director | Other | 8,005 | 0.00 | – |
| Sep 9, 2026 | O'Toole Brian E | CEO and President | Sell | 20,000 | 21.83 | 436,600 |
| Aug 28, 2026 | Dubois Henry Edward | Chief Financial Officer | Sell | 4,000 | 23.78 | 95,120 |
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.