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The Political Record · The ledger · Act III, Winter into spring

Who crossed the floor in 2026?

Five Walk the Floor ·
Five Walk the Floor: the scene’s engraving

Five Walk the Floor

· Act III

Play it on the board

Five members of Parliament changed party in the House of Commons between February 18, 2026 and May 28, 2026: Matt Jeneroux (Edmonton Riverbend), from the Conservatives to the Liberals, on February 18, 2026; Lori Idlout (Nunavut), from the New Democrats to the Liberals, on March 11, 2026; Marilyn Gladu (Sarnia—Lambton—Bkejwanong), from the Conservatives to the Liberals, on April 8, 2026; Alexandre Boulerice (Rosemont—La Petite-Patrie), from the New Democrats to an independent, on April 27, 2026; and Simon-Pierre Savard-Tremblay (Saint-Hyacinthe—Bagot—Acton), from the Bloc Québécois to an independent, on May 28, 2026.

Today: As of November 1, 2026, the Liberals hold 173 of 343 seats, the Conservatives 137, the Bloc Québécois 21, the NDP 5, and the Greens 1; 6 seats are vacant, and 172 make a majority. How the House stands

Members
5 changed party
Went to
3 the Liberals, 2 independent
Came from
2 the Conservatives, 2 the New Democrats, 1 the Bloc Québécois
Liberal seats
168 → 174 (February 17, 2026 → May 28, 2026)
Vacant
3 → 0
Span
February 18, 2026 to May 28, 2026
Events
5, each with its source
Record as of
November 1, 2026
Every change of side, February 18, 2026 to May 28, 2026
DateMemberRidingFromToLiberal seats afterSource
Matt JenerouxEdmonton RiverbendConservativeLiberal169ourcommons.ca
Lori IdloutNunavutNew DemocraticLiberal170ourcommons.ca
Marilyn GladuSarnia—Lambton—BkejwanongConservativeLiberal171ourcommons.ca
Alexandre BoulericeRosemont—La Petite-PatrieNew DemocraticIndependent174ourcommons.ca
Simon-Pierre Savard-TremblaySaint-Hyacinthe—Bagot—ActonBloc QuébécoisIndependent174ourcommons.ca

Dates are the day the record each row links gives for the change; press reports can differ by a day. Record as of ; corrections are dated in the register.

IEvent by event

· Crosses the floor

Matt Jeneroux sits as a Liberal

Matt Jeneroux, member for Edmonton Riverbend, leaves the Conservative caucus and sits for the Liberals from this day.1

Member
Matt Jeneroux, first elected October 19, 2015
Sides
Conservative → Liberal
In 2025
Matt Jeneroux won it for the Conservatives with 50.2% of the vote, a margin of 5.4 points (Elections Canada)

After this event: LPC 169 · CPC 141 · BQ 22 · NDP 7 · GPC 1 · vacant 3. Ledger row

· Crosses the floor

Lori Idlout sits as a Liberal

Lori Idlout, member for Nunavut, leaves the NDP caucus and sits for the Liberals from this day.2

Seat
Nunavut (NU)
Member
Lori Idlout, first elected September 20, 2021
Sides
New Democratic → Liberal
In 2025
Lori Idlout won it for the New Democrats with 37.3% of the vote, a margin of 0.6 points (Elections Canada)

After this event: LPC 170 · CPC 141 · BQ 22 · NDP 6 · GPC 1 · vacant 3. Ledger row

· Crosses the floor

Marilyn Gladu sits as a Liberal

Marilyn Gladu, member for Sarnia—Lambton—Bkejwanong, leaves the Conservative caucus and sits for the Liberals from this day.3

Member
Marilyn Gladu, first elected October 19, 2015
Sides
Conservative → Liberal
In 2025
Marilyn Gladu won it for the Conservatives with 53.1% of the vote, a margin of 15.2 points (Elections Canada)

After this event: LPC 171 · CPC 140 · BQ 22 · NDP 6 · GPC 1 · vacant 3. Ledger row

· Sits as an independent

Alexandre Boulerice sits as an independent

Alexandre Boulerice, member for Rosemont—La Petite-Patrie, leaves the NDP caucus and sits as an independent from this day.4

Member
Alexandre Boulerice
Sides
New Democratic → Independent
In 2025
Alexandre Boulerice won it for the New Democrats with 41.0% of the vote, a margin of 9.4 points (Elections Canada)

After this event: LPC 174 · CPC 140 · BQ 22 · NDP 5 · IND 1 · GPC 1. Ledger row

· Sits as an independent

Simon-Pierre Savard-Tremblay sits as an independent

Simon-Pierre Savard-Tremblay, member for Saint-Hyacinthe—Bagot—Acton, leaves the Bloc Québécois caucus and sits as an independent from this day.5

Member
Simon-Pierre Savard-Tremblay
Sides
Bloc Québécois → Independent
In 2025
Simon-Pierre Savard-Tremblay won it for the Bloc Québécois with 43.9% of the vote, a margin of 10.3 points (Elections Canada)

After this event: LPC 174 · CPC 140 · BQ 21 · NDP 5 · IND 2 · GPC 1. Ledger row

IIThe House before and after

The House the day before the first event, , and after the last, .

Seats by party, February 17, 2026 and May 28, 2026
PartyChange
Liberal168174+6
Conservative142140−2
Bloc Québécois2221−1
New Democratic75−2
Independent02+2
Green110
Vacant30−3
Seats343343

Source: the events applied to Elections Canada's 2025 results; every event's own source is listed below.

Also in this span. Three other events moved the board between those dates, so the change above is not this story's alone: , By-elections called in University—Rosedale, Scarborough Southwest and Terrebonne; , NDP leader: Avi Lewis; , By-elections in University—Rosedale, Scarborough Southwest and Terrebonne.

Sources and citation

  1. ourcommons.ca ourcommons.ca/members/en/matt-jeneroux(89167)/roles
  2. ourcommons.ca ourcommons.ca/members/en/lori-idlout(111116)/roles
  3. ourcommons.ca ourcommons.ca/members/en/marilyn-gladu(88938)/roles
  4. ourcommons.ca ourcommons.ca/members/en/alexandre-boulerice(58775)/roles
  5. ourcommons.ca ourcommons.ca/members/en/simon-pierre-savard-tremblay(104944)/roles

The seats: Elections Canada's official 2025 results with every event since applied to them, and the House's list of members as of November 1, 2026. Page built 2026-11-03. Corrections: the register.

"Who crossed the floor in 2026?" (Five Walk the Floor). The Political Record. https://politicalrecord.ca/house/ledger/2026-winter-spring-sides/ Accessed 2026-11-03.