D-Wave Quantum Inc.
Ownership
Ownership Structure
Who owns D-Wave Quantum Inc. (QBTS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.2% of the shares are freely tradable; institutional investors hold 50.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.41 | 30,153,928 | +6.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.80 | 20,793,131 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.42 | 15,851,525 | +0.0 | 03/31/2026 |
| UBS Group AG | 2.75 | 9,869,575 | -3.8 | 03/31/2026 |
| Geode Capital Management, LLC | 2.52 | 9,039,744 | +7.7 | 03/31/2026 |
| State Street Corp | 2.36 | 8,470,803 | +9.9 | 03/31/2026 |
| Clear Street Group Inc | 1.59 | 5,708,970 | +33.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.10 | 11,108,638 | +0.3 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.63 | 9,419,432 | -0.6 | 08/31/2026 |
| Vanguard Small Cap Index | 2.23 | 8,010,113 | +0.2 | 07/31/2026 |
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 |
|---|---|---|---|---|---|
| Baratz Alan E | President & CEO | 3,247,451 | 55,531,412 $ | Jul 14, 2026 | direct |
| Markovich John M. | Chief Financial Officer | 1,123,629 | 19,214,056 $ | Jul 14, 2026 | direct |
| Ames Sophie C | Exec. Vice President & CHRO | 563,615 | 9,637,817 $ | Sep 15, 2026 | direct |
| Nguyen Diane | EVP, Chief Legal Officer & GC | 503,302 | 8,606,464 $ | Sep 15, 2026 | direct |
| Black Stanley T | Exec. Vice President & CISO | 133,278 | 2,279,054 $ | Sep 15, 2026 | direct |
| DiLullo John D | Director | 20,210 | 345,591 $ | Sep 8, 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 15, 2026 | Ames Sophie C | Exec. Vice President & CHRO | Other | 1,544 | 16.83 | 25,986 |
| Sep 15, 2026 | Black Stanley T | Exec. Vice President & CISO | Other | 1,535 | 16.83 | 25,834 |
| Sep 15, 2026 | Nguyen Diane | EVP, Chief Legal Officer & GC | Other | 3,191 | 16.83 | 53,705 |
| Sep 8, 2026 | DiLullo John D | Director | Sell | 1,100 | 18.00 | 19,801 |
| Aug 17, 2026 | Ames Sophie C | Exec. Vice President & CHRO | Other | 23,850 | 21.17 | 504,905 |
| Aug 17, 2026 | Nguyen Diane | EVP, Chief Legal Officer & GC | Other | 4,042 | 21.17 | 85,569 |
| Jul 20, 2026 | Ames Sophie C | Exec. Vice President & CHRO | Sell | 3,070 | 16.95 | 52,042 |
| Jul 14, 2026 | Baratz Alan E | President & CEO | Other | 52,320 | 18.66 | 976,291 |
| Jul 14, 2026 | Markovich John M. | Chief Financial Officer | Other | 8,607 | 18.66 | 160,607 |
| Jul 14, 2026 | Ames Sophie C | Exec. Vice President & CHRO | Other | 3,180 | 18.66 | 59,339 |
| Jul 14, 2026 | Nguyen Diane | EVP, Chief Legal Officer & GC | Other | 4,066 | 18.66 | 75,872 |
| Apr 20, 2026 | Sophie C Ames | VP | Sell | 3,070 | 21.35 | 65,545 |
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: September 18, 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.