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

National Bank of Canada’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 Q2	–	Sell	-20	Closed	-$93	–	3387
2026 Q1	$93	Buy	+20	New	+$90	﹤0.01%	2838
2025 Q4	–	Sell	-24	Closed	-$393	–	3192
2025 Q3	$393	Buy	+24	New	+$474	﹤0.01%	2707
2025 Q2	–	Sell	-92	Closed	-$729	–	3262
2025 Q1	$729	Buy	92 +58	+171%	+$333	﹤0.01%	2605
2024 Q4	$123	Sell	34 -14	-29%	-$66	﹤0.01%	2788
2024 Q3	$192	Buy	48 +43	+860%	+$268	﹤0.01%	2527
2024 Q2	$47	Sell	5 -6	-55%	-$146	﹤0.01%	2650
2024 Q1	$245	Sell	11 -2	-15%	-$110	﹤0.01%	2631
2023 Q4	$734	Buy	13 +2	+18%	+$141	﹤0.01%	2568
2023 Q3	$817	Hold	11	–	–	﹤0.01%	2613
2023 Q2	$816	Hold	11	–	–	﹤0.01%	2577
2023 Q1	$1.12K	Hold	11	–	–	﹤0.01%	2519
2022 Q4	$555	Hold	11	–	–	﹤0.01%	2640
2022 Q3	$1K	Hold	11	–	–	﹤0.01%	2649
2022 Q2	$1K	Hold	11	–	–	﹤0.01%	2737
2022 Q1	$1K	Hold	11	–	–	﹤0.01%	2814
2021 Q4	$1K	Buy	+11	New	+$955	﹤0.01%	2777

Other funds holding QNTM

AdvisorShares Investments Bethesda, Maryland $828M AUM 37.72% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

PTP

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

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

SPIA

Steward Partners Investment Advisory New York $19.6B AUM 29.84% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Marex Group London $23.6B AUM 57.16% 1-Year Est. Return

Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return

NBC Securities Birmingham, Alabama $1.48B AUM 31.07% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

National Bank of Canada's QNTM Position: Q2 2026 in Review

National Bank of Canada sold out of Quantum Biopharma Class B Subordinate Voting Shares (QNTM) in Q2 2026, closing a stake of 20 shares — an estimated $93 sold.

National Bank of Canada first reported a position in QNTM in Q4 2021 and held it in 16 quarters. The position peaked at $1.12K in Q1 2023. 26 funds tracked by Wall St. Rank hold QNTM as of Q2 2026.

National Bank of Canada reported no remaining Quantum Biopharma Class B Subordinate Voting Shares position as of Q2 2026 after selling out during the quarter.
National Bank of Canada sold 20 Quantum Biopharma Class B Subordinate Voting Shares shares in Q2 2026, an estimated $93.
National Bank of Canada first reported a position in Quantum Biopharma Class B Subordinate Voting Shares in Q4 2021 and held it in 16 quarters.
National Bank of Canada's Quantum Biopharma Class B Subordinate Voting Shares position peaked at $1.12K in Q1 2023.
26 funds tracked by Wall St. Rank held Quantum Biopharma Class B Subordinate Voting Shares as of Q2 2026.

Based on National Bank of Canada's 13F filing for Q2 2026, filed 10 Aug 2026.