Virtu Financial’s Quantum Biopharma Class B Subordinate Voting Shares QNTM Stock Holding History

Virtu Financial’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	-12,282	Closed	-$59K	–	2372
2026 Q1	$59K	Buy	12,282 +1,876	+18%	+$8.46K	﹤0.01%	1265
2025 Q4	$76K	Buy	+10,406	New	+$114K	﹤0.01%	1251
2025 Q3	–	Sell	-16,706	Closed	-$338K	–	2221
2025 Q2	$338K	Buy	+16,706	New	+$206K	0.02%	709
2024 Q4	–	Sell	-11,428	Closed	-$46K	–	2189
2024 Q3	$46K	Buy	+11,428	New	+$71.2K	﹤0.01%	1026
2022 Q2	–	Sell	-624	Closed	-$35K	–	2167
2022 Q1	$35K	Sell	624 -342	-35%	-$20.7K	﹤0.01%	1211
2021 Q4	$65K	Buy	+966	New	+$83.8K	0.01%	1268
2021 Q3	–	Sell	-258	Closed	-$29K	–	2050
2021 Q2	$29K	Buy	+258	New	+$29.9K	﹤0.01%	1389
2020 Q4	–	Sell	-162	Closed	-$27K	–	1860
2020 Q3	$27K	Buy	+162	New	+$33.6K	﹤0.01%	898

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

Virtu Financial's QNTM Position: Q2 2026 in Review

Virtu Financial sold out of Quantum Biopharma Class B Subordinate Voting Shares (QNTM) in Q2 2026, closing a stake of 12,282 shares — an estimated $59K sold.

Virtu Financial first reported a position in QNTM in Q3 2020 and held it in 8 quarters. The position peaked at $338K in Q2 2025. 26 funds tracked by Wall St. Rank hold QNTM as of Q2 2026.

Virtu Financial reported no remaining Quantum Biopharma Class B Subordinate Voting Shares position as of Q2 2026 after selling out during the quarter.
Virtu Financial sold 12,282 Quantum Biopharma Class B Subordinate Voting Shares shares in Q2 2026, an estimated $59K.
Virtu Financial first reported a position in Quantum Biopharma Class B Subordinate Voting Shares in Q3 2020 and held it in 8 quarters.
Virtu Financial's Quantum Biopharma Class B Subordinate Voting Shares position peaked at $338K in Q2 2025.
26 funds tracked by Wall St. Rank held Quantum Biopharma Class B Subordinate Voting Shares as of Q2 2026.

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