D-Wave Quantum Inc. (QBTS) Ownership
QBTS ownership summary
as of October 17, 2026- Institutions
- 55.0% of shares outstanding
- Insiders
- 2.21% of shares outstanding
- Shares outstanding
- 376.5M
- Float
- 362.0M shares available to trade
- Short interest
- 21.21% 70.9M shares short
- Days to cover
- 4.53 short interest down 0.8% vs prior month
- Institutions 55.00%
- Insiders 2.21%
- Other investors 42.79%
QBTS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.73% | 33.1M | $390.5M | +3.0M (+9.9%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 5.80% | 22.0M | $259.4M | +1.2M (+5.9%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 4.20% | 15.9M | $187.8M | +89,146 (+0.6%) | June 30, 2026 |
| 4 | UBS Group AG | 3.07% | 11.6M | $137.2M | +1.8M (+18.0%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 2.44% | 9.3M | $109.2M | +230,645 (+2.6%) | June 30, 2026 |
| 6 | State Street Corp | 2.38% | 9.0M | $106.4M | +558,864 (+6.6%) | June 30, 2026 |
| 7 | Clear Street Group Inc | 1.64% | 6.2M | $73.1M | +497,891 (+8.7%) | June 30, 2026 |
| 8 | NORGES BANK | 1.18% | 4.5M | $52.7M | +4.3M (+2,715.9%) | June 30, 2026 |
| 9 | Bank of America Corp | 1.14% | 4.3M | $51.2M | +456,746 (+11.8%) | June 30, 2026 |
| 10 | Northern Trust Corp | 0.89% | 3.4M | $39.7M | +250,259 (+8.0%) | June 30, 2026 |
| 11 | Charles Schwab Investment Management Inc | 0.87% | 3.3M | $38.7M | +48,393 (+1.5%) | June 30, 2026 |
| 12 | Unicom Systems Inc | 0.82% | 3.1M | $36.8M | — | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | 0.77% | 2.9M | $34.3M | +574,030 (+24.5%) | June 30, 2026 |
| 14 | Defiance ETFs, LLC | 0.77% | 2.9M | $34.3M | +2.6M (+751.8%) | June 30, 2026 |
| 15 | Penserra Capital Management, LLC | 0.75% | 2.9M | $33.7M | +1.3M (+82.2%) | June 30, 2026 |
| 16 | JPMorgan Chase & Co | 0.72% | 2.7M | $32.3M | +1.4M (+100.7%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 0.71% | 2.7M | $31.6M | −1.6M (−37.3%) | June 30, 2026 |
| 18 | Vanguard Fiduciary Trust Co | 0.68% | 2.6M | $30.6M | +61,031 (+2.4%) | June 30, 2026 |
| 19 | Van Eck Associates Corporation | 0.62% | 2.3M | $27.6M | +806,835 (+52.6%) | June 30, 2026 |
| 20 | Bank of New York Mellon Corp | 0.60% | 2.3M | $27.0M | +861,217 (+60.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 18 holders added 20.0M shares and 1 cut 1.6M.
QBTS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.92% | 11.1M | $130.7M | −12,738 (−0.1%) | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.52% | 9.6M | $112.7M | −84,544 (−0.9%) | September 30, 2026 |
| 3 | Vanguard Small Cap Index | 2.11% | 8.0M | $94.4M | +7,253 (+0.1%) | August 31, 2026 |
| 4 | Vanguard Information Technology ETF | 1.43% | 5.4M | $63.9M | −7,341 (−0.1%) | August 31, 2026 |
| 5 | Vanguard MStar Small Cap Growth Indx Inv | 1.21% | 4.6M | $54.2M | −35,547 (−0.8%) | August 31, 2026 |
| 6 | VanEck Quantum Cmptg ETF A USD Acc | 1.08% | 4.1M | $48.4M | — | September 30, 2026 |
| 7 | Fidelity Small Cap Index | 1.06% | 4.0M | $47.6M | +33,981 (+0.8%) | July 31, 2026 |
| 8 | iShares Russell 2000 Growth ETF | 0.91% | 3.5M | $40.7M | −4,378 (−0.1%) | September 30, 2026 |
| 9 | Defiance Quantum ETF | 0.74% | 2.8M | $33.1M | +15,016 (+0.5%) | September 30, 2026 |
| 10 | Vanguard Russell 2000 ETF | 0.56% | 2.1M | $25.0M | +50,440 (+2.4%) | August 31, 2026 |
| 11 | Schwab US Small-Cap ETF™ | 0.51% | 1.9M | $22.9M | +1,314 (+0.1%) | September 30, 2026 |
| 12 | iShares Expanded Tech-Software Sect ETF | 0.47% | 1.8M | $21.1M | +16,975 (+1.0%) | September 30, 2026 |
| 13 | Fidelity Extended Market Index | 0.47% | 1.8M | $21.1M | −32,949 (−1.8%) | August 31, 2026 |
| 14 | Deka-Industrie 4.0 CF | 0.41% | 1.6M | $18.4M | +1.6M (0.0%) | May 31, 2026 |
| 15 | Vanguard Explorer Inv | 0.37% | 1.4M | $16.3M | +934,457 (+207.0%) | June 30, 2026 |
| 16 | WisdomTree Quantum Computing Fund | 0.29% | 1.1M | $13.1M | +10,168 (+0.9%) | September 30, 2026 |
| 17 | T. Rowe Price Integrated US Sm Gr Eq | 0.28% | 1.1M | $12.5M | — | August 31, 2026 |
| 18 | WisdomTree Quantum Computing ETF USD Acc | 0.25% | 937K | $11.0M | +12,740 (+1.4%) | September 30, 2026 |
| 19 | Schwab Small Cap Index | 0.24% | 902K | $10.6M | +4,052 (+0.5%) | August 31, 2026 |
| 20 | Nomura Small Cap Core I | 0.21% | 807K | $9.5M | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
QBTS insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-20 | Sophie C Ames | Sell | $21.35 | 3,070 | $65,544 |
| 2026-03-16 | Rohit Ghai | Sell | $17.62 | 10,000 | $176,200 |
| 2026-03-13 | John M Markovich | Sell | $17.63 | 10,706 | $188,747 |
| 2026-03-05 | John D Dilullo | Sell | $18.01 | 8,000 | $144,080 |
| 2026-01-14 | Alan E Baratz | Sell | $28.06 | 35,013 | $982,465 |
| 2026-01-14 | John M Markovich | Sell | $28.06 | 9,179 | $257,563 |
| 2025-12-22 | Alan E Baratz | Sell | $30.13 | 793,712 | $23.9M |
| 2025-12-22 | John M Markovich | Sell | $30.03 | 100,000 | $3.0M |
| 2025-12-15 | John M Markovich | Sell | $23.89 | 11,562 | $276,216 |
| 2025-12-15 | Rohit Ghai | Sell | $24.28 | 10,000 | $242,800 |
| 2025-12-05 | John D Dilullo | Sell | $27.36 | 8,000 | $218,880 |
| 2025-12-03 | John M Markovich | Sell | $25.05 | 100,000 | $2.5M |
| 2025-12-03 | Kirstjen Nielsen | Sell | $22.62 | 7,000 | $158,340 |
| 2025-11-20 | John M Markovich | Sell | $22.94 | 200,000 | $4.6M |
| 2025-11-13 | Alan E Baratz | Sell | $23.17 | 168,102 | $3.9M |
| 2025-11-13 | John M Markovich | Sell | $23.17 | 98,060 | $2.3M |
| 2025-11-11 | Alan E Baratz | Sell | $28.87 | 806,288 | $23.3M |
| 2025-10-14 | Alan E Baratz | Sell | $43.74 | 31,369 | $1.4M |
| 2025-10-14 | John M Markovich | Sell | $43.74 | 7,994 | $349,658 |
| 2025-09-15 | John D Dilullo | Sell | $17.93 | 8,000 | $143,440 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
QBTS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns QBTS
Institutional investors own 55.0% of D-Wave Quantum's shares and insiders 2.21%. The largest holder is BlackRock Inc with 8.73% of the shares (33.1M), as of June 30, 2026. Among the top 20 institutions, 18 added shares and 1 reduced their stake in the latest filings. Short interest is 21.21% of the float, or 4.53 days of average trading volume. The share count rose 177.9% since 2020.
Related: QBTS analyst forecast, QBTS key metrics. See the QBTS stock overview for the latest quote and news.
QBTS ownership FAQ
Who owns the most D-Wave Quantum stock?
The largest shareholders of D-Wave Quantum are BlackRock Inc (8.73%), Vanguard Portfolio Management, LLC (5.80%), Vanguard Capital Management, LLC (4.20%), UBS Group AG (3.07%), Geode Capital Management, LLC (2.44%).
What percentage of D-Wave Quantum is owned by institutions?
Institutions hold 55.0% of D-Wave Quantum's shares outstanding; insiders hold 2.21%.
Which funds own D-Wave Quantum?
The largest fund holders of D-Wave Quantum are Vanguard MStar Total Stk Mkt Idx Invest (2.92%), iShares Russell 2000 ETF (2.52%), Vanguard Small Cap Index (2.11%), Vanguard Information Technology ETF (1.43%), Vanguard MStar Small Cap Growth Indx Inv (1.21%).
What is D-Wave Quantum's short interest?
70.9M shares of D-Wave Quantum were sold short, 21.21% of the float; at the average daily volume it would take 4.53 days to cover.
Are insiders buying or selling D-Wave Quantum?
Of the latest 20 reported insider transactions in D-Wave Quantum (since September 15, 2025), 0 were purchases and 20 were sales.
How many shares of D-Wave Quantum are outstanding?
D-Wave Quantum has 376.5M shares outstanding, of which 362.0M are in the public float.