Mariner’s D-Wave Quantum 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 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 $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

Mariner's QBTS Position: Q1 2026 in Review

Mariner reduced its D-Wave Quantum (QBTS) stake by 28% in Q1 2026, selling an estimated $1.08M and leaving 129,703 shares worth $1.87M. The position accounts for ﹤0.01% of the portfolio, ranked #1552.

Mariner first reported a position in QBTS in Q4 2024 and has held it in 6 quarters since. The position peaked at $4.72M in Q4 2025. 490 funds tracked by Wall St. Rank hold QBTS as of Q1 2026.

Mariner held 129,703 shares of D-Wave Quantum worth $1.87M as of Q1 2026.
Mariner sold 50,901 D-Wave Quantum shares in Q1 2026, an estimated $1.08M.
D-Wave Quantum made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1552 holding.
Mariner first reported a position in D-Wave Quantum in Q4 2024 and has held it in 6 quarters since.
Mariner's D-Wave Quantum position peaked at $4.72M in Q4 2025.
490 funds tracked by Wall St. Rank held D-Wave Quantum as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.