D-Wave Quantum Inc.
D-Wave Quantum Inc. (QBTS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · QBTS · as of Mar 31, 2025
Ownership Breakdown
294
Institutional Holders
▲ 83 vs Q4
$712.23M
Total Inst. Value
▼ $58.10M vs Q4
367.27M
Shares Outstanding
freeFloat 97.21%
93.74M
13F Shares Held
▲ 1.95M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
QBTS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-computer processing & data preparation | 14.08M | 4.92% | 4.92% | $106.99B | May 2, 2025 | ▲ 5.46M |
D. E. SHAW & CO., INC. services-computer processing & data preparation | 12.71M | 4.44% | 4.44% | $96.61B | May 15, 2025 | ▲ 12.58M |
VANGUARD GROUP INC services-computer processing & data preparation | 11.29M | 3.94% | 3.94% | $85.77B | May 9, 2025 | ▲ 4.17M |
UBS GROUP AG services-computer processing & data preparation | 5.89M | 2.06% | 2.06% | $44.78B | May 13, 2025 | ▲ 1.56M |
PENSERRA CAPITAL MANAGEMENT LLC services-computer processing & data preparation | 5.07M | 1.77% | 1.77% | $38.52B | Apr 29, 2025 | ▲ 2.25M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer processing & data preparation | 4.77M | 1.67% | 1.67% | $36.26B | May 14, 2025 | ▲ 2.64M |
BANK OF AMERICA CORP /DE/ services-computer processing & data preparation | 4.73M | 1.65% | 1.65% | $35.98B | May 15, 2025 | ▲ 2.19M |
STATE STREET CORP services-computer processing & data preparation | 4.71M | 1.64% | 1.64% | $35.77B | May 15, 2025 | ▲ 1.62M |
UNICOM SYSTEMS, INC. services-computer processing & data preparation | 4.63M | 1.62% | 1.62% | $35.17B | May 1, 2025 | ▲ 2.22M |
GEODE CAPITAL MANAGEMENT, LLC services-computer processing & data preparation | 4.53M | 1.58% | 1.58% | $34.42B | May 13, 2025 | ▲ 1.55M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
31
Increased
+45.87M shares17
New Positions
first time holders2
Decreased
−2.25M shares0
Sold Out
fully exitedNet shares change (top 50)
+43.62M
+45.87M / −2.25M
Net new holders
+46
17 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
QBTS insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
14
Sell transactions
0.57
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Holt Sharon E director | Jun 4, 2026 | Award | 9,357 | — | — | 84.7K | Form 4 ↗ |
WEST STEVEN M director | Jun 4, 2026 | Award | 9,357 | — | — | 29.2K | Form 4 ↗ |
Nielsen Kirstjen director | Jun 4, 2026 | Award | 9,357 | — | — | 122.0K | Form 4 ↗ |
DiLullo John D director | Jun 4, 2026 | Award | 9,357 | — | — | 29.2K | Form 4 ↗ |
Ghai Rohit director | Jun 4, 2026 | Award | 9,357 | — | — | 37.1K | Form 4 ↗ |
Markovich John M. Chief Financial Officer | Jun 2, 2026 | Sale | 2,908 | $31.00 | $90.1K | 1.44M | Form 4 ↗ |
Markovich John M. Chief Financial Officer | May 22, 2026 | Sale | 328,752 | $27.70 | $9.11M | 1.44M | Form 4 ↗ |
Nguyen Diane EVP, Chief Legal Officer & GC | May 21, 2026 | Sale | 40,000 | $25.01 | $1.00M | 517.1K | Form 4 ↗ |
AMES SOPHIE C Exec. Vice President & CHRO | May 20, 2026 | Sale | 23,025 | $18.98 | $436.9K | 596.8K | Form 4 ↗ |
Nguyen Diane EVP, Chief Legal Officer & GC | May 13, 2026 | Tax Withhold | 2,459 | $22.35 | $55.0K | 557.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
D-Wave Quantum Inc. (QBTS) is primarily owned by institutional investors, who hold approximately 25.5% of total shares outstanding. Company insiders own approximately 2.79%, while retail and public investors account for the remaining 71.69%.
The largest institutional shareholder of D-Wave Quantum Inc. is BLACKROCK, INC., holding approximately 14.08 million shares — equal to 4.92% of outstanding shares — as of March 31, 2025.
A total of 294 institutional investors currently hold QBTS stock, with a combined institutional value of approximately $712,230,244 as of the most recent 13F filing period.
Frequently asked questions
QBTS ownershipD-Wave Quantum Inc. (QBTS) is primarily owned by institutional investors, who hold approximately 25.5% of shares. The largest shareholder is BLACKROCK, INC. with a 4.92% stake. Company insiders hold 2.79%. Data sourced from SEC Form 13F as of March 31, 2025.