Mariner’s D-Wave Quantum Inc QBTS Stock Holding History

Mariner’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	$3.57M	Buy	148,891 +19,188	+15%	+$421K	﹤0.01%	1193
2026 Q1	$1.87M	Sell	129,703 -50,901	-28%	-$1.08M	﹤0.01%	1552
2025 Q4	$4.72M	Buy	180,604 +55,938	+45%	+$1.63M	0.01%	1025
2025 Q3	$3.08M	Sell	124,666 -21,340	-15%	-$389K	﹤0.01%	1170
2025 Q2	$2.14M	Buy	146,006 +113,995	+356%	+$1.34M	﹤0.01%	1293
2025 Q1	$243K	Buy	32,011 +5,545	+21%	+$37.2K	﹤0.01%	2829
2024 Q4	$222K	Buy	+26,466	New	+$79.2K	﹤0.01%	2915

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

Mariner's QBTS Position: Q2 2026 in Review

Mariner increased its D-Wave Quantum Inc (QBTS) stake by 15% in Q2 2026, buying an estimated $421K and bringing the position to 148,891 shares worth $3.57M. The position accounts for ﹤0.01% of the portfolio, ranked #1193.

Mariner first reported a position in QBTS in Q4 2024 and has held it in 7 quarters since. The position peaked at $4.72M in Q4 2025. 552 funds tracked by Wall St. Rank hold QBTS as of Q2 2026.

Mariner held 148,891 shares of D-Wave Quantum Inc worth $3.57M as of Q2 2026.
Mariner bought 19,188 D-Wave Quantum Inc shares in Q2 2026, an estimated $421K.
D-Wave Quantum Inc made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1193 holding.
Mariner first reported a position in D-Wave Quantum Inc in Q4 2024 and has held it in 7 quarters since.
Mariner's D-Wave Quantum Inc position peaked at $4.72M in Q4 2025.
552 funds tracked by Wall St. Rank held D-Wave Quantum Inc as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.