William Blair & Company’s D-Wave Quantum Inc. Common Stock QBTS Stock Holding History

William Blair & Company’s Portfolio QBTS Stock Details QBTS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$514K	Sell	35,592 -6,307	-15%	-$133K	﹤0.01%	1144
2025 Q4	$1.1M	Buy	41,899 +6,582	+19%	+$192K	﹤0.01%	913
2025 Q3	$873K	Buy	35,317 +7,354	+26%	+$134K	﹤0.01%	951
2025 Q2	$409K	Sell	27,963 -2,475	-8%	-$29.1K	﹤0.01%	1152
2025 Q1	$231K	Buy	30,438 +2,503	+9%	+$16.8K	﹤0.01%	1350
2024 Q4	$235K	Buy	27,935 +6,435	+30%	+$19.3K	﹤0.01%	1384
2024 Q3	$21.1K	Hold	21,500	–	–	﹤0.01%	1703
2024 Q2	$24.5K	Hold	21,500	–	–	﹤0.01%	1673
2024 Q1	$43.9K	Sell	21,500 -12,500	-37%	-$17.6K	﹤0.01%	1611
2023 Q4	$29.9K	Hold	34,000	–	–	﹤0.01%	1632
2023 Q3	$32.8K	Buy	+34,000	New	+$54.3K	﹤0.01%	1633

Other funds holding QBTS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

William Blair & Company's QBTS Position: Q1 2026 in Review

William Blair & Company reduced its D-Wave Quantum Inc. Common Stock (QBTS) stake by 15% in Q1 2026, selling an estimated $133K and leaving 35,592 shares worth $514K. The position accounts for ﹤0.01% of the portfolio, ranked #1144.

William Blair & Company first reported a position in QBTS in Q3 2023 and has held it in 11 quarters since. The position peaked at $1.1M in Q4 2025. 490 funds tracked by Wall St. Rank hold QBTS as of Q1 2026.

William Blair & Company held 35,592 shares of D-Wave Quantum Inc. Common Stock worth $514K as of Q1 2026.
William Blair & Company sold 6,307 D-Wave Quantum Inc. Common Stock shares in Q1 2026, an estimated $133K.
D-Wave Quantum Inc. Common Stock made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1144 holding.
William Blair & Company first reported a position in D-Wave Quantum Inc. Common Stock in Q3 2023 and has held it in 11 quarters since.
William Blair & Company's D-Wave Quantum Inc. Common Stock position peaked at $1.1M in Q4 2025.
490 funds tracked by Wall St. Rank held D-Wave Quantum Inc. Common Stock as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.