VANGUARD GROUP INC
Rank #1
10.0%
- Shares
- 36.91M
- Change
- -1.55M
- Change %
- -4.02%
- Filing
- Dec 31, 2025
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · TECHNOLOGY · Holders
D-Wave Quantum Inc. (QBTS) Institutional Ownership & Insider Trading History
Top QBTS institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Ownership read
QBTS insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 89 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
QBTS
Purchases—
Sales7.15M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
36.91M
VANGUARD GROUP INC
Insider stance
Net selling
$105.71M sold / — bought
Latest filing
May 22, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- May 22, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 77
- 39 decreased in loaded rows
- Insider rows
- 120
- Market data feed
Top 120 institutional holders
D-Wave Quantum Inc. (QBTS) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
BLACKROCK
Rank #2
8.18%
- Shares
- 30.15M
- Change
- +1.96M
- Change %
- +6.93%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
5.64%
- Shares
- 20.79M
- Change
- +20.79M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
4.30%
- Shares
- 15.85M
- Change
- +15.85M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
UBS GROUP AG
Rank #5
2.68%
- Shares
- 9.87M
- Change
- -393.86K
- Change %
- -3.84%
- Filing
- Mar 31, 2026
Decreased
GEODE CAPITAL MANAGEMENT
Rank #6
2.45%
- Shares
- 9.04M
- Change
- +645.02K
- Change %
- +7.68%
- Filing
- Mar 31, 2026
Increased
STATE STREET CORP
Rank #7
2.30%
- Shares
- 8.47M
- Change
- +763.72K
- Change %
- +9.91%
- Filing
- Mar 31, 2026
Increased
CLEAR STREET GROUP INC.
Rank #8
1.55%
- Shares
- 5.71M
- Change
- +1.43M
- Change %
- +33.35%
- Filing
- Mar 31, 2026
Increased
GOLDMAN SACHS GROUP INC
Rank #9
1.16%
- Shares
- 4.28M
- Change
- +729.31K
- Change %
- +20.55%
- Filing
- Mar 31, 2026
Increased
BANK OF AMERICA CORP
Rank #10
1.05%
- Shares
- 3.89M
- Change
- +368.49K
- Change %
- +10.48%
- Filing
- Mar 31, 2026
Increased
HRT FINANCIAL LP
Rank #11
0.91%
- Shares
- 3.36M
- Change
- +3.36M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #12
0.88%
- Shares
- 3.24M
- Change
- +174.51K
- Change %
- +5.70%
- Filing
- Mar 31, 2026
Increased
UNICOM SYSTEMS
Rank #13
0.85%
- Shares
- 3.12M
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
NORTHERN TRUST CORP
Rank #14
0.85%
- Shares
- 3.12M
- Change
- +279.75K
- Change %
- +9.86%
- Filing
- Mar 31, 2026
Increased
VANGUARD FIDUCIARY TRUST CO
Rank #15
0.69%
- Shares
- 2.54M
- Change
- +2.54M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
JANE STREET GROUP
Rank #16
0.65%
- Shares
- 2.38M
- Change
- +2.37M
- Change %
- —
- Filing
- Mar 31, 2026
Increased
MORGAN STANLEY
Rank #17
0.64%
- Shares
- 2.34M
- Change
- -209.22K
- Change %
- -8.20%
- Filing
- Mar 31, 2026
Decreased
VOLORIDGE INVESTMENT MANAGEMENT
Rank #18
0.58%
- Shares
- 2.12M
- Change
- +2.12M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
SUSQUEHANNA INTERNATIONAL GROUP
Rank #19
0.47%
- Shares
- 1.73M
- Change
- +954.92K
- Change %
- +1.23%
- Filing
- Mar 31, 2026
Increased
PENSERRA CAPITAL MANAGEMENT LLC
Rank #20
0.43%
- Shares
- 1.57M
- Change
- +79.64K
- Change %
- +5.34%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.0% | 36.91M | -1.55M Decreased | -4.02% | Dec 31, 2025 | |
| 2 | 8.18% | 30.15M | +1.96M Increased | +6.93% | Mar 31, 2026 | |
| 3 | 5.64% | 20.79M | +20.79M Initiated | — | Mar 31, 2026 | |
| 4 | 4.30% | 15.85M | +15.85M Initiated | — | Mar 31, 2026 | |
| 5 | 2.68% | 9.87M | -393.86K Decreased | -3.84% | Mar 31, 2026 | |
| 6 | 2.45% | 9.04M | +645.02K Increased | +7.68% | Mar 31, 2026 | |
| 7 | 2.30% | 8.47M | +763.72K Increased | +9.91% | Mar 31, 2026 | |
| 8 | CLEAR STREET GROUP INC. | 1.55% | 5.71M | +1.43M Increased | +33.35% | Mar 31, 2026 |
| 9 | 1.16% | 4.28M | +729.31K Increased | +20.55% | Mar 31, 2026 | |
| 10 | 1.05% | 3.89M | +368.49K Increased | +10.48% | Mar 31, 2026 | |
| 11 | HRT FINANCIAL LP | 0.91% | 3.36M | +3.36M Initiated | — | Mar 31, 2026 |
| 12 | 0.88% | 3.24M | +174.51K Increased | +5.70% | Mar 31, 2026 | |
| 13 | UNICOM SYSTEMS | 0.85% | 3.12M | — Unchanged | 0.00% | Mar 31, 2026 |
| 14 | 0.85% | 3.12M | +279.75K Increased | +9.86% | Mar 31, 2026 | |
| 15 | 0.69% | 2.54M | +2.54M Initiated | — | Mar 31, 2026 | |
| 16 | JANE STREET GROUP | 0.65% | 2.38M | +2.37M Increased | — | Mar 31, 2026 |
| 17 | 0.64% | 2.34M | -209.22K Decreased | -8.20% | Mar 31, 2026 | |
| 18 | VOLORIDGE INVESTMENT MANAGEMENT | 0.58% | 2.12M | +2.12M Initiated | — | Mar 31, 2026 |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP | 0.47% | 1.73M | +954.92K Increased | +1.23% | Mar 31, 2026 |
| 20 | PENSERRA CAPITAL MANAGEMENT LLC | 0.43% | 1.57M | +79.64K Increased | +5.34% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
D-Wave Quantum Inc. (QBTS) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
MARKOVICH, JOHN M.
Chief Financial Officer
- Shares
- 328.75K
- % company
- 0.09%
- Price
- $27.70
- Value
- $9,107,647
Filed May 22, 2026
MARKOVICH, JOHN M.
Chief Financial Officer
- Shares
- 120.83K
- % company
- 0.03%
- Price
- $0.8460
- Value
- $102,219
Filed May 22, 2026
MARKOVICH, JOHN M.
Chief Financial Officer
- Shares
- 207.93K
- % company
- 0.06%
- Price
- $0.9200
- Value
- $191,292
Filed May 22, 2026
MARKOVICH, JOHN M.
Chief Financial Officer
- Shares
- 120.83K
- % company
- 0.03%
- Price
- $0.8460
- Value
- $102,219
Filed May 22, 2026
MARKOVICH, JOHN M.
Chief Financial Officer
- Shares
- 207.93K
- % company
- 0.06%
- Price
- $0.9200
- Value
- $191,292
Filed May 22, 2026
NGUYEN, DIANE
EVP, Chief Legal Officer & GC
- Shares
- 40.00K
- % company
- 0.01%
- Price
- $25.01
- Value
- $1,000,560
Filed May 21, 2026
AMES, SOPHIE C
Exec. Vice President & CHRO
- Shares
- 23.02K
- % company
- <0.01%
- Price
- $18.98
- Value
- $436,934
Filed May 20, 2026
AMES, SOPHIE C
Exec. Vice President & CHRO
- Shares
- 23.85K
- % company
- <0.01%
- Price
- $22.35
- Value
- $533,048
Filed May 13, 2026
BARATZ, ALAN E
Director, President & CEO
- Shares
- 18.54K
- % company
- <0.01%
- Price
- $22.35
- Value
- $414,414
Filed May 13, 2026
NGUYEN, DIANE
EVP, Chief Legal Officer & GC
- Shares
- 2.46K
- % company
- <0.01%
- Price
- $22.35
- Value
- $54,959
Filed May 13, 2026
BARATZ, ALAN E
Director, President & CEO
- Shares
- 753.94K
- % company
- 0.21%
- Price
- No cash value
- Value
- No cash value
Filed Apr 30, 2026
AMES, SOPHIE C
Exec. Vice President & CHRO
- Shares
- 3.07K
- % company
- <0.01%
- Price
- $21.35
- Value
- $65,548
Filed Apr 20, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | MARKOVICH, JOHN M. Chief Financial Officer | 0.09% | Sale to issuer | 328.75K | $27.70 | $9,107,647 | May 22, 2026 |
| 2 | MARKOVICH, JOHN M. Chief Financial Officer | 0.03% | Sale to issuer | 120.83K | $0.8460 | $102,219 | May 22, 2026 |
| 3 | MARKOVICH, JOHN M. Chief Financial Officer | 0.06% | Sale to issuer | 207.93K | $0.9200 | $191,292 | May 22, 2026 |
| 4 | MARKOVICH, JOHN M. Chief Financial Officer | 0.03% | Award / grant | 120.83K | $0.8460 | $102,219 | May 22, 2026 |
| 5 | MARKOVICH, JOHN M. Chief Financial Officer | 0.06% | Award / grant | 207.93K | $0.9200 | $191,292 | May 22, 2026 |
| 6 | NGUYEN, DIANE EVP, Chief Legal Officer & GC | 0.01% | Sale to issuer | 40.00K | $25.01 | $1,000,560 | May 21, 2026 |
| 7 | AMES, SOPHIE C Exec. Vice President & CHRO | <0.01% | Sale to issuer | 23.02K | $18.98 | $436,934 | May 20, 2026 |
| 8 | AMES, SOPHIE C Exec. Vice President & CHRO | <0.01% | Sale to issuer | 23.85K | $22.35 | $533,048 | May 13, 2026 |
| 9 | BARATZ, ALAN E Director, President & CEO | <0.01% | Sale to issuer | 18.54K | $22.35 | $414,414 | May 13, 2026 |
| 10 | NGUYEN, DIANE EVP, Chief Legal Officer & GC | <0.01% | Sale to issuer | 2.46K | $22.35 | $54,959 | May 13, 2026 |
| 11 | BARATZ, ALAN E Director, President & CEO | 0.21% | Award / grant | 753.94K | No cash value | No cash value | Apr 30, 2026 |
| 12 | AMES, SOPHIE C Exec. Vice President & CHRO | <0.01% | Sale to issuer | 3.07K | $21.35 | $65,548 | Apr 20, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest QBTS shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded QBTS ownership feed, with 36.91 million shares, or about 10.02% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of QBTS?
The current TECHi snapshot has 120 loaded institutional rows for D-Wave Quantum Inc.. 77 rows are marked increased or initiated, while 39 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see D-Wave Quantum Inc. insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for QBTS, with the latest insider filing dated May 22, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are QBTS insiders buying or selling?
The loaded QBTS Form 4 rows currently read Net selling: 89 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active QBTS insider in the loaded filings?
BARATZ, ALAN E is the most active insider by absolute share movement in the loaded QBTS rows, with 5.87 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.