D-Wave Quantum Inc.
QBTS- Exchange
- Nasdaq
- Industry
- Services-Computer Processing & Data Preparation
- SEC CIK
- 0001907982
In the last 90 days, D-Wave Quantum Inc. insiders filed 0 open-market purchases and 2 sales; 553 institutions reported holding it in 13F filings for Q2 2026, worth $4.73B in total; no superinvestor holds it.
Holders of 5% or more of QBTS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of D-Wave Quantum Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G | 7.10%22.2M shares | New | Jul 17, 20251 filing | Jul 17, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.75%21.1M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.08%18.7M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on D-Wave Quantum Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20266:13 PM ET | Vanguard Capital Management LLC | 13G | 5.08%18.7M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 202612:56 PM ET | Vanguard Portfolio Management LLC | 13G | 5.75%21.1M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20265:39 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −11.35 ppfrom 11.35%Below 5% | Mar 13, 2026 | SEC |
| Oct 6, 20255:18 PM ET | Vanguard Group Inc | 13G/A | 11.35%38.5M shares | +2.48 ppfrom 8.87% | Sep 30, 2025 | SEC |
| Jul 29, 202512:06 PM ET | Vanguard Group Inc | 13G | 8.87%27.2M shares | New | Jun 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G | 7.10%22.2M shares | New | Jun 30, 2025 | SEC |
| Jan 23, 202511:27 AM ET | Public Sector Pension Investment Board | 13G/A | 2.00%5.40M shares | –Below 5% | Dec 31, 2024 | SEC |
| Jan 15, 20255:23 PM ET | BDC Capital Inc. | 13G | 0.00%0 shares | NewBelow 5% | Dec 31, 2022 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell D-Wave Quantum Inc. shares.
No Form 144 notices for D-Wave Quantum Inc. are on file.