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QNTM

Quantum Biopharma Class B Subordinate Voting Shares
QNTM

25 hedge funds and large institutions have $1.23M invested in Quantum Biopharma Class B Subordinate Voting Shares in 2026 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 7 increasing their positions, 1 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

600% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 1

40% more first-time investments, than exits

New positions opened: 7 | Existing positions closed: 5

31% more capital invested

Capital invested by funds: $937K → $1.23M (+$290K)

4% more funds holding

Funds holding: 24 → 25 (+1)

3.3% more ownership

Funds ownership: 3.36% → 6.66% (+3.3%)

Holders
25
Holders Change
+1
Holders Change %
+4.17%
% of All Funds
0.31%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
7
Reduced
1
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AI
AdvisorShares Investments
Maryland
+$266K
2
PTP
Platform Technology Partners
New York
+$185K
3
Jane Street
Jane Street
New York
+$92.9K
4
Mariner
Mariner
Kansas
+$45.4K
5
UBS Group
UBS Group
Switzerland
+$24.9K

Top Sellers

Rank Fund Capital Flow
1
GS
GTS Securities
New York
-$89.8K
2
JP Morgan Chase
JP Morgan Chase
New York
-$4.21K
3
Morgan Stanley
Morgan Stanley
New York
-$1.77K
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$162
5
SEP
Signature Equity Partners
Ohio
-$146
Name Holding Trade Value Shares
Change 		Change in
Stake
AI
1
AdvisorShares Investments
Maryland
$524K +$266K +58,958 +119%
PTP
2
Platform Technology Partners
New York
$199K +$185K +41,116 New
Jane Street
3
Jane Street
New York
$152K +$92.9K +20,609 +189%
Citadel Advisors
4
Citadel Advisors
Florida
$76.6K – – –
MG
5
Marex Group
$65K +$144 +32 +0.2%
VF
6
Virtu Financial
New York
$59K +$8.46K +1,876 +18%
Mariner
7
Mariner
Kansas
$48.6K +$45.4K +10,059 New
UBS Group
8
UBS Group
Switzerland
$35K +$24.9K +5,527 +323%
Osaic Holdings
9
Osaic Holdings
Arizona
$30.8K +$4.98K +1,105 +21%
SPIA
10
Steward Partners Investment Advisory
New York
$21.2K – – –
AUB
11
Atlantic Union Bankshares
Virginia
$4.83K – – –
FFA
12
Farther Finance Advisors
California
$4.41K – – –
Jones Financial Companies
13
Jones Financial Companies
Missouri
$3.34K +$3.16K +700 New
CTC
14
Cetera Trust Company
Minnesota
$1.21K – – –
Wells Fargo
15
Wells Fargo
California
$477 +$451 +100 New
FDCDDQ
16
Federation des caisses Desjardins du Quebec
Quebec, Canada
$369 – – –
SS
17
SBI Securities
Japan
$362 +$90 +20 +36%
TRCT
18
Tower Research Capital (TRC)
New York
$343 +$320 +71 New
Group One Trading
19
Group One Trading
Illinois
$164 – – –
Rockefeller Capital Management
20
Rockefeller Capital Management
New York
$145 – – –
National Bank of Canada
21
National Bank of Canada
Quebec, Canada
$93 +$90 +20 New
TWC
22
TD Waterhouse Canada
Ontario, Canada
$88 +$90 +20 New
AWM
23
Activest Wealth Management
Florida
$72 – – –
PUI
24
Purpose Unlimited Inc
$4 – – –
GS
25
GTS Securities
New York
– -$89.8K -12,300 Closed
1
2

QNTM Hedge Fund Activity: Q1 2026 in Review

25 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Quantum Biopharma Class B Subordinate Voting Shares (QNTM) for Q1 2026, worth a combined $1.23M — up 31% from $937K a quarter earlier.

Buyers outnumbered sellers: 7 funds opened new QNTM positions and 5 closed out — a net gain of 2 holders — while 7 added to existing stakes and 1 trimmed.

The largest buyer was AdvisorShares Investments, adding an estimated $266K. The largest seller was GTS Securities, exiting entirely with an estimated $89.8K sold.

  • 25 institutional investors held Quantum Biopharma Class B Subordinate Voting Shares (QNTM) as of Q1 2026, up from 24 in Q4 2025.
  • Funds reported $1.23M of Quantum Biopharma Class B Subordinate Voting Shares stock for Q1 2026, up 31% quarter-over-quarter.
  • 7 funds opened new Quantum Biopharma Class B Subordinate Voting Shares positions in Q1 2026 and 5 closed out, a net change of +2 holders.
  • The largest Quantum Biopharma Class B Subordinate Voting Shares buyer in Q1 2026 was AdvisorShares Investments, an estimated $266K added.
  • The largest Quantum Biopharma Class B Subordinate Voting Shares seller in Q1 2026 was GTS Securities, an estimated $89.8K sold.

Based on aggregated 13F filings for Q1 2026.