Quantum BioPharma Corrects Share Consolidation Terms
A supplement to its management information circular clarifies fractional share rounding and a 70% cap on MVS voting power ahead of its November 10 meeting.
Updated on Nov. 5, 2026 in Quantum Computing

Quantum BioPharma Ltd. filed a supplement to its management information circular that corrects and restates the special resolution authorizing a consolidation of its MVS and Class B Subordinate Voting Shares. The company said proxies already submitted remain valid unless properly revoked or changed.
Why it matters
The correction changes how fractional shares will be treated and clarifies voting power limits that shareholders must consider before the annual general and special meeting. Shareholders who have already voted do not need to resubmit proxies unless they choose to revoke or change them.
The supplement sets the consolidation rounding rule at one-half of a share and caps MVS holders' aggregate voting power at 70% if Class B shares are cancelled such that MVS holders would exceed that level. Whether the cap will ever apply depends on share repurchases or cancellations that have not yet occurred.
The players
Quantum BioPharma Ltd.
A Toronto-based biopharmaceutical company focused on neurodegenerative, metabolic, and alcohol misuse disorders, and the issuer of the supplemented circular.
The details
Quantum BioPharma filed the supplement on November 5, 2026, to correct the special resolution in its September 28, 2026 circular. The company said it will not distribute an amended form of proxy, and shareholders may revoke or change voting instructions through the procedures in the circular and applicable form of proxy.
Timeline
- September 28, 2026: Management information circular dated and issued
- November 5, 2026: Supplement filed and announced
- November 10, 2026, 1:00 p.m. Eastern: Annual general and special shareholder meeting
The Tech Race
Dual-class structures pairing multiple voting shares with subordinate voting shares are common among Canadian issuers seeking to preserve founder control while raising capital. This filing refines one such mechanism by capping voting power at 70% and setting explicit rounding rules for consolidated shares.
Shareholders who want their votes to count under the revised resolution should review the supplement and confirm their proxy instructions before the meeting. Those who hold fractional shares after any consolidation will see them rounded according to the one-half threshold set out in the filing.
The takeaway
Shareholders who have already submitted proxies do not need to act unless they wish to change their vote. Reviewing the supplement before the November 10 meeting will clarify how fractional shares and the 70% voting cap would apply.
What happens next
Shareholders will vote at the annual general and special meeting on November 10, 2026, at 1:00 p.m. Eastern, where the share consolidation resolution will be considered.
Further reading
Explore more Quantum Computing coverage on Wisevoter.
More information
Review the SEDAR+ filings including circular and supplement for the full text of the supplement.










