SEC ownership of D-Wave Quantum Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001907982.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

17 Aug 2026

Top shareholders Insider holders Latest transactions
Public ticker
QBTS on NYSE
Parsed ownership sources
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
17 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001907982
Issuer location
Palo Alto, CA

Ownership snapshot

Top shareholders of D-Wave Quantum Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
17 Aug 2026
13F 13D/G 3/4/5 Lead comparable stake: 8.3% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 8.3%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 8.3%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.8%
VANGUARD CAPITAL MANAGEMENT LLC 5.1%
PUBLIC SECTOR PENSION INVESTMENT ... 2%
Alan E. Baratz 0.88%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
8.3%
from 13D/G
$795,206,107
33,147,399 shares
 — 30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F 13D/G
Company · Vanguard Portfolio Management
13F 13D/G
5.8%
from 13D/G
$528,296,601
22,021,534 shares
 — 30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Vanguard Capital Management
13F 13D/G
5.1%
from 13D/G
$382,416,697
15,940,671 shares
 — 30 Jun 2026
PUBLIC SECTOR PENSION INVESTMENT BOARD
3/4/5 13D/G
10%+ Owner
3/4/5 13D/G
2%
from 13D/G
$103,476,784
20,384,694 shares
 — 10 Jan 2025
Alan E. Baratz
3/4/5
President & CEO, Director
3/4/5
0.88%
$78,338,048
3,247,451 shares
mixed-class rows
 -$71,407,608 14 Jul 2026
John M. Markovich
3/4/5
Chief Financial Officer
3/4/5
0.31%
$27,147,150
1,123,629 shares
mixed-class rows
 -$35,487,195 14 Jul 2026
Sophie C. Ames
3/4/5
Exec. Vice President & CHRO
3/4/5
0.15%
$13,558,164
565,159 shares
 -$554,524 17 Aug 2026
Steven M. West
3/4/5
Director
3/4/5
0.04%
$2,137,313
148,116 shares
 +$1,795 04 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$112,551,908.

Buys
$1,795
Insiders: 1
Sells
$112,553,703
Insiders: 7
Net
-$112,551,908
Shares: -4,164,680
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 82 Shares: 4,164,762
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 1,380,817 $0 $36,354,993 -$36,354,993
3-6 0 57,333 $0 $1,056,105 -$1,056,105
6-9 0 1,203,169 $0 $35,111,147 -$35,111,147
9-12 82 1,523,443 $1,795 $40,031,457 -$40,029,663

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 23 reporting-owner rows connected to D-Wave Quantum Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
23
Largest Forms 3/4/5 holder
PUBLIC SECTOR PENSION INVESTMENT BOARD
Net 12M change
-$112,551,907
Latest report
17 Aug 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
PUBLIC SECTOR PENSION INVESTMENT BOARD 10%+ Owner $103,476,784 Filing P/S 10 Jan 2025
Alan E. Baratz President & CEO, Director $78,338,048 -$71,407,608 -48% Mixed 14 Jul 2026
John M. Markovich Chief Financial Officer $27,147,150 -$35,487,195 -57% Mixed 14 Jul 2026
Sophie C. Ames Exec. Vice President & CHRO $13,558,164 -$554,524 -3.9% Median 17 Aug 2026
Diane Nguyen EVP, Chief Legal Officer & GC $12,227,216 -$3,292,423 -21% Mixed 17 Aug 2026
GOLDMAN SACHS GROUP INC 10%+ Owner $7,939,776 Mixed 10 Aug 2022
Emil Michael Director $3,411,925 Mixed 13 Jun 2024
Steven M. West Director $2,137,313 +$1,795 +0.08% Mixed 04 Jun 2026
Stanley T. Black Exec. Vice President & CISO $1,945,351 Mixed 15 Jun 2026
CDPM Sponsor Group, LLC 10%+ Owner $1,826,930 Mixed 05 Aug 2022
Kirstjen Nielsen Director $1,760,892 -$158,340 -8.3% Mixed 04 Jun 2026
Sharon E. Holt Director $1,222,163 Mixed 04 Jun 2026
Rohit Ghai Director $623,802 -$955,384 -60% Filing P/S 15 Jun 2026
Victoria Brydon Chief People Officer $525,331 Mixed 30 Oct 2023
John D. DiLullo Director $520,694 -$698,228 -57% Filing P/S 05 Jun 2026
Amy L. Cappellanti-Wolf Director $397,387 Mixed 06 Jun 2024
Roger Biscay Director $340,793 Mixed 04 Jun 2026
Michael J. Rogers Director $112,196 Mixed 28 Jun 2023
Tanya J. Rothe General Counsel Mixed 05 Aug 2022
Eduard van Gelderen Director Mixed 05 Aug 2022

Recent insider transactions for D-Wave Quantum Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.79% -4,042 505,850 17 Aug 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -4.05% -23,850 565,159 17 Aug 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.52% $52,042 $16.95 -3,070 589,009 20 Jul 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -1.59% -52,320 3,247,451 14 Jul 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.76% -8,607 1,123,629 14 Jul 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.53% -3,180 592,079 14 Jul 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.79% -4,066 509,892 14 Jul 2026 Direct
Rohit Ghai QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -36.4% $357,055 $26.41 -13,518 23,617 15 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.93% -10,584 1,132,236 15 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -14.9% $5,143,000 $25.72 -200,000 1,142,820 15 Jun 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.62% -3,191 513,958 15 Jun 2026 Direct
Stanley T. Black QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -1.13% -1,535 134,813 15 Jun 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.26% -1,544 595,259 15 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -3.32% $1,105,492 $24.01 -46,043 1,342,820 12 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.01% $1,858 $26.54 -70 1,388,863 09 Jun 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -17.2% $17,967,694 $26.13 -687,627 3,299,771 08 Jun 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Options Exercise 20.8% 687,627 3,987,398 08 Jun 2026 Direct
Alan E. Baratz QBTS Stock Option (right to buy) Options Exercise -100% -687,627 0 08 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -3.54% $1,337,689 $26.24 -50,979 1,388,933 08 Jun 2026 Direct
John D. DiLullo QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -26.9% $191,809 $24.43 -7,850 21,310 05 Jun 2026 Direct
Roger Biscay QBTS Common Stock, par value $0.0001 per share Award 65.6% 9,357 23,617 04 Jun 2026 Direct
Sharon E. Holt QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 12.4% 9,357 84,696 04 Jun 2026 Direct
Steven M. West QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 47.2% 9,357 29,194 04 Jun 2026 Direct
Kirstjen Nielsen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 8.3% 9,357 122,030 04 Jun 2026 Direct
John D. DiLullo QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 47.2% 9,357 29,160 04 Jun 2026 Direct
Rohit Ghai QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 33.7% 9,357 37,135 04 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.2% $90,148 $31.00 -2,908 1,439,912 02 Jun 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -18.6% $9,107,647 $27.70 -328,752 1,442,820 22 May 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Options Exercise 22.8% 328,752 1,771,572 22 May 2026 Direct
John M. Markovich QBTS Stock Option (right to buy) Options Exercise -100% -328,752 0 22 May 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -7.18% $1,000,560 $25.01 -40,000 517,149 21 May 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -3.71% $436,934 $18.98 -23,025 596,803 20 May 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.44% -2,459 557,149 13 May 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -3.71% -23,850 619,828 13 May 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.56% -18,542 3,299,771 13 May 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 29.4% 753,941 3,318,313 30 Apr 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.47% $65,548 $21.35 -3,070 643,678 20 Apr 2026 Direct
Sophie C. Ames QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.49% -3,180 646,748 13 Apr 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -1.3% -33,778 2,564,372 13 Apr 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.59% -8,607 1,442,820 13 Apr 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Tax liability -0.72% -4,066 559,608 13 Apr 2026 Direct
Rohit Ghai QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -26.5% $176,168 $17.62 -10,000 27,778 16 Mar 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.45% $44,634 $17.63 -2,532 563,674 13 Mar 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.73% $188,723 $17.63 -10,706 1,451,427 13 Mar 2026 Direct
John D. DiLullo QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -28.8% $144,098 $18.01 -8,000 19,803 05 Mar 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Award 5.22% 28,068 566,206 19 Feb 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.27% $28,671 $19.76 -1,451 538,138 13 Feb 2026 Direct
Diane Nguyen QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.83% $126,814 $28.06 -4,519 539,589 14 Jan 2026 Direct
John M. Markovich QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -0.62% $257,584 $28.06 -9,179 1,462,133 14 Jan 2026 Direct
Alan E. Baratz QBTS Common Stock, par value $0.0001 per share ("Common Stock") Sale -1.33% $982,545 $28.06 -35,013 2,598,150 14 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .