Quantum BioPharma Ownership | Who Owns Quantum BioPharma?

Quantum BioPharma Ownership Summary

Quantum BioPharma is owned by 7.74% institutional investors, 12.37% insiders, and 79.90% retail investors. Advisorshares investments is the largest institutional shareholder, holding 3.30% of QNTM shares. AdvisorShares Psychedelics ETF is the top mutual fund, with 4.11% of its assets in Quantum BioPharma shares.

QNTM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Quantum BioPharma	7.74%	12.37%	79.90%
Sector	Healthcare Stocks	35.56%	12.08%	52.36%
Industry	Biotech Stocks	35.43%	12.01%	52.56%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Advisorshares investments	108.59K	3.30%	$524.50K
Platform technology partners	41.12K	1.25%	$198.59K
Jane street group	31.50K	0.96%	$152.15K
Citadel advisors	15.86K	0.48%	$76.62K
Marex group	13.47K	0.41%	$65.05K
Mariner	10.06K	0.31%	$48.55K
Ubs group	7.24K	0.22%	$34.95K
Advisor group	6.38K	0.19%	$30.79K
Steward partners investment advisory	4.38K	0.13%	$21.16K
Atlantic union bankshares	1.00K	0.03%	$4.83K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Advisorshares investments	108.59K	0.10%	$524.50K
Platform technology partners	41.12K	0.04%	$198.59K
Cetera trust company, n.a	250.00	0.00%	$1.21K
Marex group	13.47K	0.00%	$65.05K
Steward partners investment advisory	4.38K	0.00%	$21.16K
Mariner	10.06K	0.00%	$48.55K
Atlantic union bankshares	1.00K	0.00%	$4.83K
Td waterhouse canada	20.00	-	$88.00
Tower research capital llc (trc)	-	-	-
Federation des caisses desjardins du quebec	93.00	-	$369.00

Top Buyers

Holder	Shares	% Assets	Change
Advisorshares investments	108.59K	0.10%	58.96K
Platform technology partners	41.12K	0.04%	41.12K
Jane street group	31.50K	-	20.61K
Mariner	10.06K	0.00%	10.06K
Ubs group	7.24K	-	5.53K

Top Sellers

Holder	Shares	% Assets	Change
Gts securities	-	-	-12.30K
Virtu financial	-	-	-12.28K
Jpmorgan chase	-	-	-577.00
Morgan stanley	-	-	-243.00
Tower research capital llc (trc)	-	-	-71.00

New Positions

Holder	Shares	% Assets	Change	Value
Platform technology partners	41.12K	0.04%	41.12K	$198.59K
Mariner	10.06K	0.00%	10.06K	$48.55K
Jones financial companies lllp	700.00	-	700.00	$3.34K
Wells fargo & company/mn	100.00	-	100.00	$477.00

Sold Out

Holder	Change
National bank of canada /fi/	-20.00
Tower research capital llc (trc)	-71.00
Morgan stanley	-243.00
Jpmorgan chase	-577.00
Virtu financial	-12.28K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	24	4.35%	254,282	98.15%	7	50.74%	14	7.69%	-	-100.00%
Dec 31, 2025	23	35.29%	128,327	89.30%	3	122.78%	13	44.44%	5	66.67%
Sep 30, 2025	17	-	67,792	-41.82%	1	11.99%	9	-	3	-40.00%
Jun 30, 2025	17	30.77%	116,515	66.68%	3	10.20%	9	-	5	150.00%
Mar 31, 2025	13	44.44%	69,905	0.19%	6	13.33%	9	125.00%	2	-33.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
AdvisorShares Psychedelics ETF	263.24K	4.11%	-

QNTM Ownership FAQ

Who Owns Quantum BioPharma?

Quantum BioPharma shareholders are primarily institutional investors at 7.74%, followed by 12.37% insiders and 79.89% retail investors. The average institutional ownership in Quantum BioPharma's industry, Biotech Stocks , is 35.43%, which Quantum BioPharma falls below.

Who owns the most shares of Quantum BioPharma?

Quantum BioPharma’s largest shareholders are Advisorshares investments (108.59K shares, 3.30%), Platform technology partners (41.12K shares, 1.25%), and Jane street group (31.5K shares, 0.96%). Together, they hold 5.51% of Quantum BioPharma’s total shares outstanding.

Does Blackrock own Quantum BioPharma?

BlackRock is not among the top 10 institutional shareholders of Quantum BioPharma.

Who is Quantum BioPharma’s biggest shareholder by percentage of total assets invested?

Advisorshares investments is Quantum BioPharma’s biggest shareholder by percentage of total assets invested, with 0.10% of its assets in 108.59K Quantum BioPharma shares, valued at 524.5K$.

Who is the top mutual fund holder of Quantum BioPharma shares?

AdvisorShares Psychedelics ETF is the top mutual fund holder of Quantum BioPharma shares, with 4.11% of its total shares outstanding invested in 263.24K Quantum BioPharma shares.

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