Bank of America’s Quantum Biopharma Class B Subordinate Voting Shares QNTM Stock Holding History

Bank of America’s Portfolio QNTM Stock Details QNTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-4	Closed	-$29	–	7064
2025 Q4	$29	Sell	4 -96	-96%	-$1.05K	﹤0.01%	7055
2025 Q3	$1.64K	Buy	+100	New	+$1.97K	﹤0.01%	7426
2024 Q4	–	Sell	-1	Closed	-$4	–	8485
2024 Q3	$4	Buy	+1	New	+$6	﹤0.01%	8101
2024 Q2	–	Hold	0	–	–	–	8470
2024 Q1	–	Hold	0	–	–	–	7663
2023 Q4	–	Hold	0	–	–	–	7953
2023 Q3	–	Hold	0	–	–	–	7744
2023 Q2	–	Sell	-9	Closed	-$772	–	7668
2023 Q1	$932	Buy	+9	New	+$772	﹤0.01%	7314
2022 Q4	–	Hold	0	–	–	–	8181
2022 Q3	–	Sell	-5	Closed	-$294	–	8257
2022 Q2	$0	Buy	+5	New	+$300	﹤0.01%	8460
2022 Q1	–	Sell	-98	Closed	-$5.93K	–	8859
2021 Q4	$7K	Buy	+98	New	+$8.51K	﹤0.01%	7775
2021 Q3	–	Sell	-68	Closed	-$7.26K	–	8443
2021 Q2	$8K	Buy	+68	New	+$7.89K	﹤0.01%	7355
2021 Q1	–	Hold	0	–	–	–	7848
2020 Q4	–	Hold	0	–	–	–	7417
2020 Q3	–	Hold	0	–	–	–	7222
2020 Q2	–	Hold	0	–	–	–	7172
2020 Q1	–	Hold	0	–	–	–	7310

Other funds holding QNTM

AdvisorShares Investments Bethesda, Maryland $549M AUM 32.58% 1-Year Est. Return

PTP

Platform Technology Partners New York $611M AUM 25.5% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Marex Group London $15.8B AUM 31.44% 1-Year Est. Return

Virtu Financial New York $2.41B AUM 48.35% 1-Year Est. Return

Mariner Overland Park, Kansas $85.7B AUM 24.21% 1-Year Est. Return

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

Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

SPIA

Steward Partners Investment Advisory New York $19.6B AUM 22.89% 1-Year Est. Return

Bank of America's QNTM Position: Q1 2026 in Review

Bank of America sold out of Quantum Biopharma Class B Subordinate Voting Shares (QNTM) in Q1 2026, closing a stake of 4 shares — an estimated $29 sold.

Bank of America first reported a position in QNTM in Q2 2021 and held it in 7 quarters. The position peaked at $8K in Q2 2021. 25 funds tracked by Wall St. Rank hold QNTM as of Q1 2026.

Bank of America reported no remaining Quantum Biopharma Class B Subordinate Voting Shares position as of Q1 2026 after selling out during the quarter.
Bank of America sold 4 Quantum Biopharma Class B Subordinate Voting Shares shares in Q1 2026, an estimated $29.
Bank of America first reported a position in Quantum Biopharma Class B Subordinate Voting Shares in Q2 2021 and held it in 7 quarters.
Bank of America's Quantum Biopharma Class B Subordinate Voting Shares position peaked at $8K in Q2 2021.
25 funds tracked by Wall St. Rank held Quantum Biopharma Class B Subordinate Voting Shares as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.