D-Wave Quantum Inc. (QBTS) Insider Ownership

Historic Insider Ownership Trends

As of April 28, 2026, the three largest insider holders of QBTS are Sector Pension Investment Board Public (TenPercentOwner, 20.38Mn shares), Sector Pension Investment Board Public (TenPercentOwner, 20.38Mn shares), Sector Pension Investment Board Public (TenPercentOwner, 20.38Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Sector Pension Investment Board Public - 20,384,694 0 14 Jan, 2025
Sector Pension Investment Board Public - 20,384,694 0 14 Jan, 2025
Sector Pension Investment Board Public - 20,384,694 0 14 Jan, 2025
Alan E Baratz President Ceo 2,564,372 0 15 Apr, 2026
John M. Markovich Chief Financial Officer 1,442,820 0 15 Apr, 2026
Emil Michael - 999,076 0 11 Sep, 2023
Emil Michael - 999,076 0 11 Sep, 2023
Emil Michael - 993,674 0 07 Jun, 2024
Emil Michael - 993,674 0 07 Jun, 2024
Emil Michael - 887,138 0 04 Jun, 2024
Emil Michael - 887,138 0 04 Jun, 2024
Sophie C Ames Exec. Vice President Chro 643,678 0 21 Apr, 2026
Diane Nguyen Evp, Chief Legal Officer Gc 559,608 0 15 Apr, 2026
Victoria Brydon - 332,800 0 13 Jun, 2023
Victoria Brydon Chief People Officer 291,714 0 01 Nov, 2023
Diane Nguyen General Counsel 254,643 0 18 Oct, 2023
Amy L. Cappellanti-Wolf - 218,822 0 07 Jun, 2024
Roger Biscay - 218,822 0 07 Jun, 2024
Steven M West - 19,837 118,840 20 Aug, 2025
Steven M West - 19,837 118,840 20 Aug, 2025
Steven M West - 19,837 118,840 20 Aug, 2025
Steven M West - 129,696 0 30 Jun, 2023
Steven M West - 129,696 0 30 Jun, 2023
Steven M West - 129,696 0 30 Jun, 2023
Kirstjen Nielsen - 112,673 0 05 Dec, 2025
Kirstjen Nielsen - 112,673 0 05 Dec, 2025
Kirstjen Nielsen - 112,673 0 05 Dec, 2025
Amy L. Cappellanti-Wolf - 112,196 0 30 Jun, 2023
Michael J Rogers - 112,196 0 30 Jun, 2023
Michael J Rogers - 112,196 0 30 Jun, 2023
Michael J Rogers - 112,196 0 30 Jun, 2023
Sharon E Holt - 75,339 0 12 Jun, 2025
Sharon E Holt - 75,339 0 12 Jun, 2025
Michael J Rogers - 36,521 0 31 Oct, 2022
Michael J Rogers - 36,521 0 31 Oct, 2022
Michael J Rogers - 36,521 0 31 Oct, 2022
Rohit Ghai - 27,778 0 17 Mar, 2026
Rohit Ghai - 27,778 0 17 Mar, 2026
John D Dilullo - 19,803 0 06 Mar, 2026
John D Dilullo - 19,803 0 06 Mar, 2026
John D Dilullo - 19,803 0 06 Mar, 2026
Roger Biscay - 14,260 0 16 Jun, 2025
Steven M West - 0 82 18 Nov, 2025
Steven M West - 0 82 18 Nov, 2025
Steven M West - 0 82 18 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
20 Apr, 2026 Sophie C Ames Common Stock, par value $0.0001 per share (Common Stock) D 3,070 $21.35 643,678 D S
13 Apr, 2026 Diane Nguyen Common Stock, par value $0.0001 per share (Common Stock) D 4,066 $14.25 559,608 D F
13 Apr, 2026 John M. Markovich Common Stock, par value $0.0001 per share (Common Stock) D 8,607 $14.25 1,442,820 D F
13 Apr, 2026 Sophie C Ames Common Stock, par value $0.0001 per share (Common Stock) D 3,180 $14.25 646,748 D F
13 Apr, 2026 Alan E Baratz Common Stock, par value $0.0001 per share (Common Stock) D 33,778 $14.25 2,564,372 D F
16 Mar, 2026 Rohit Ghai Common Stock, par value $0.0001 per share (Common Stock) D 10,000 $17.62 27,778 D S
13 Mar, 2026 Diane Nguyen Common Stock, par value $0.0001 per share (Common Stock) D 2,532 $17.63 563,674 D S
16 Mar, 2026 Rohit Ghai Common Stock, par value $0.0001 per share (Common Stock) D 10,000 $17.62 27,778 D S
13 Mar, 2026 John M. Markovich Common Stock, par value $0.0001 per share (Common Stock) D 10,706 $17.63 1,451,427 D S
05 Mar, 2026 John D Dilullo Common Stock, par value $0.0001 per share (Common Stock) D 8,000 $18.01 19,803 D S
05 Mar, 2026 John D Dilullo Common Stock, par value $0.0001 per share (Common Stock) D 8,000 $18.01 19,803 D S
05 Mar, 2026 John D Dilullo Common Stock, par value $0.0001 per share (Common Stock) D 8,000 $18.01 19,803 D S
19 Feb, 2026 Diane Nguyen Common Stock, par value $0.0001 per share (Common Stock) A 28,068 $0.00 566,206 D A
13 Feb, 2026 Diane Nguyen Common Stock, par value $0.0001 per share (Common Stock) D 1,451 $19.76 538,138 D S
14 Jan, 2026 John M. Markovich Common Stock, par value $0.0001 per share (Common Stock) D 9,179 $28.06 1,462,133 D S
13 Jan, 2026 Diane Nguyen Common Stock, par value $0.0001 per share (Common Stock) D 20,000 $28.86 544,108 D S
14 Jan, 2026 Alan E Baratz Common Stock, par value $0.0001 per share (Common Stock) D 35,013 $28.06 2,598,150 D S
14 Jan, 2026 Diane Nguyen Common Stock, par value $0.0001 per share (Common Stock) D 4,519 $28.06 539,589 D S
22 Dec, 2025 John M. Markovich Common Stock, par value $0.0001 per share (Common Stock) A 100,000 $0.92 1,571,312 D M
22 Dec, 2025 Alan E Baratz Common Stock, par value $0.0001 per share (Common Stock) A 793,712 $0.91 3,426,875 D M