William Blair & Company’s D-Wave Quantum Inc 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 Q2	$833K	Sell	34,709 -883	-2%	-$19.4K	﹤0.01%	1048
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 $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

William Blair & Company's QBTS Position: Q2 2026 in Review

William Blair & Company reduced its D-Wave Quantum Inc (QBTS) stake by 2.5% in Q2 2026, selling an estimated $19.4K and leaving 34,709 shares worth $833K. The position accounts for ﹤0.01% of the portfolio, ranked #1048.

William Blair & Company first reported a position in QBTS in Q3 2023 and has held it in 12 quarters since. The position peaked at $1.1M in Q4 2025. 553 funds tracked by Wall St. Rank hold QBTS as of Q2 2026.

William Blair & Company held 34,709 shares of D-Wave Quantum Inc worth $833K as of Q2 2026.
William Blair & Company sold 883 D-Wave Quantum Inc shares in Q2 2026, an estimated $19.4K.
D-Wave Quantum Inc made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1048 holding.
William Blair & Company first reported a position in D-Wave Quantum Inc in Q3 2023 and has held it in 12 quarters since.
William Blair & Company's D-Wave Quantum Inc position peaked at $1.1M in Q4 2025.
553 funds tracked by Wall St. Rank held D-Wave Quantum Inc as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.