Capital Gains Inclusion Rate Calculator: Manitoba Investor, $500K Portfolio Gains Split Across Pre- and Post-June 25, 2024 Dates

Published 2026-05-04 · 12 min read

You are a Manitoba investor sitting on $500,000 in realized portfolio gains across the 2024–2025 tax years. Some dispositions closed before June 25, 2024 and some after. The inclusion rate changed that day — from a flat 1/2 to a tiered system where gains above $250,000 annually are included at 2/3. Here is the exact blended-rate math, the optimal disposition sequencing, and the Manitoba combined marginal rates at each tier.

Key Takeaways

  • 1.After June 25, 2024, the first $250,000 in annual net capital gains for individuals is still included at 1/2 (50%). Gains above $250K are included at 2/3 (66.67%).
  • 2.Gains realized before June 25, 2024 are fully grandfathered at the 1/2 rate — the disposition date (trade date), not the settlement date, determines the rate.
  • 3.A Manitoba investor with $500K total gains in a single year pays tax on $291,667 of taxable income instead of $250,000 under the old flat 1/2 rate — an extra $41,667 in taxable income.
  • 4.Splitting $500K across two tax years (realizing $250K in each year) keeps the entire amount at the 1/2 rate, saving roughly $9,000 in Manitoba tax.
  • 5.Corporations have no $250K threshold — all gains after June 25, 2024 are included at 2/3, making personal realization more tax-efficient for gains under the threshold.

The June 25, 2024 Inclusion Rate Change: What Actually Happened

On June 10, 2024, the federal government confirmed the capital gains inclusion rate increase, effective for dispositions on or after June 25, 2024. The change introduced a two-tier system for individuals:

  • First $250,000 in annual net capital gains: included at 1/2 (50%) — unchanged
  • Above $250,000: included at 2/3 (66.67%)

For corporations and trusts, there is no $250,000 threshold. All capital gains realized on or after June 25, 2024 are included at 2/3. This is a critical distinction for investors who hold assets inside a holding company — the math is fundamentally different. For how corporate income structuring works more broadly, see our corporation salary vs. dividend calculator.

Which Gains Are Grandfathered at 1/2?

Any capital gain with a disposition date before June 25, 2024 is permanently locked at the 1/2 inclusion rate. The key rules:

  • Publicly traded securities: the trade date (T) is the disposition date, not the settlement date (T+1). A sale executed on June 24, 2024 is grandfathered even though settlement occurred on June 25.
  • Real property: the disposition date is generally the date the purchase and sale agreement becomes binding (not the closing date), unless the agreement specifies otherwise.
  • Private company shares: the disposition date is when the sale agreement is executed and all conditions precedent are met.

For our Manitoba investor with $500K in total gains, the first question is: how much was disposed of before June 25, 2024? This determines the grandfathered portion.

Worked Example: $500K Gains, Manitoba Investor

Here is the scenario. A Manitoba individual has a diversified portfolio and realized $500,000 in total capital gains during the 2024–2025 period. Assume the following split:

  • $150,000 realized before June 25, 2024 (grandfathered at 1/2)
  • $350,000 realized on or after June 25, 2024 (subject to the new tiered rate)

Step 1: Grandfathered Gains (Pre-June 25, 2024)

The $150,000 in pre-June 25 gains is included at 1/2 regardless of the annual threshold. Taxable capital gain = $150,000 × 50% = $75,000.

Step 2: Post-June 25 Gains and the $250K Threshold

The $350,000 in post-June 25 gains is subject to the tiered system. The $250,000 threshold applies to the full tax year's net capital gains (including the grandfathered portion). Since the investor already has $150,000 in gains for the year, only $100,000 of the post-June 25 gains falls under the $250K threshold.

ComponentGainsInclusion RateTaxable Amount
Pre-June 25 gains (grandfathered)$150,0001/2 (50%)$75,000
Post-June 25 — within $250K threshold$100,0001/2 (50%)$50,000
Post-June 25 — above $250K threshold$250,0002/3 (66.67%)$166,667
Total taxable capital gains$291,667

Under the old uniform 1/2 rate, the same $500,000 in gains would produce $250,000 in taxable income. The new system adds $41,667 to the taxable amount — a 16.7% increase in inclusion.

Manitoba Combined Marginal Rates at Each Inclusion Tier

Manitoba's provincial tax rates interact with the federal brackets to produce the combined marginal rate on the included portion of capital gains. Here are the effective capital gains rates at key Manitoba income levels for 2025:

Taxable Income BracketCombined Marginal RateEffective CG Rate (1/2)Effective CG Rate (2/3)
$0–$47,00025.80%12.90%17.20%
$47,001–$57,37527.75%13.88%18.50%
$57,376–$100,00033.25%16.63%22.17%
$100,001–$106,73037.90%18.95%25.27%
$106,731–$165,43043.40%21.70%28.93%
$165,431–$235,67546.40%23.20%30.93%
$235,676–$355,84549.40%24.70%32.93%
$355,846+50.40%25.20%33.60%

Combined federal + Manitoba provincial rates for 2025. The jump from the 1/2 column to the 2/3 column is roughly 4–8 percentage points depending on the bracket — a material difference on six-figure gains. For how Manitoba's retail sales tax interacts with investment-related purchases, see our Manitoba RST calculator.

Tax Bill on the $500K Gain: Single-Year vs. Split-Year

Let's calculate the actual Manitoba tax difference between realizing all $500,000 in a single year versus splitting it across two tax years. Assume no other income for simplicity (the investor lives on capital gains and has no employment income).

ScenarioTaxable CG IncomeApprox. Tax (Fed + MB)Tax Savings vs. Single Year
All $500K in one year$291,667~$89,500
$250K in Year 1, $250K in Year 2$125,000 × 2~$80,200~$9,300
$200K in Year 1, $300K in Year 2$100K + $166,667~$84,100~$5,400

Estimates use 2025 federal and Manitoba brackets. The even $250K/$250K split is optimal because it maximizes use of the 1/2 inclusion threshold in both years. Any uneven split wastes threshold room in one year and overflows into the 2/3 rate in the other.

The $9,300 tax saving from splitting evenly is real money — it comes entirely from keeping the full $500,000 at the 1/2 inclusion rate instead of pushing $250,000 into the 2/3 tier. This is the single most valuable planning opportunity created by the June 25, 2024 change for investors with large unrealized gains.

Sequencing Dispositions to Maximize the Lower-Rate Bucket

The order in which you sell assets does not change the inclusion rate (the CRA does not apply gains on a first-in-first-out basis against the $250K threshold). What matters is the total net capital gains for the tax year. However, sequencing still matters for two reasons:

  • Tax-year boundary: Dispositions in December vs. January fall into different tax years, allowing you to use the $250K threshold twice.
  • Loss offsets: Realizing capital losses in the same year as gains reduces net gains, potentially keeping you under the $250K threshold. For a detailed walkthrough of tax-loss harvesting mechanics, see our tax-loss harvesting calculator.

For the Manitoba investor with $500K in unrealized gains across multiple holdings, the optimal strategy is:

  1. Realize up to $250,000 in net gains before December 31 of the current tax year.
  2. Harvest any available capital losses in the same year to offset gains and free up threshold room.
  3. Realize the remaining gains in January of the following year, resetting the $250K threshold.
  4. If gains exceed $500K total, continue spreading across additional tax years at $250K per year.

Corporate vs. Personal: Which Is Better for $500K in Gains?

The elimination of the $250K threshold for corporations is the most significant structural difference in the new rules. Here is a direct comparison for the same $500,000 gain:

FactorPersonalCorporate (Manitoba CCPC)
$250K thresholdYes — first $250K at 1/2No — all at 2/3
Taxable capital gain on $500K$291,667$333,333
Corporate tax rate (investment income)n/a~50.67% (refundable)
Immediate tax on $500K gain~$89,500~$168,900 (before RDTOH refund)
After dividend extraction$89,500 (final)~$90,800 (after RDTOH refund + dividend tax)
Deferral advantageNoneYes — if you don't extract immediately

Corporate rates assume a Manitoba CCPC with passive investment income. The refundable dividend tax on hand (RDTOH) mechanism refunds roughly 30.67% of the corporate tax when eligible dividends are paid. The total after-all-tax cost is designed to be roughly equivalent (integration), but imperfect integration means the corporate route is slightly more expensive on a fully-extracted basis.

The corporate route only wins if you leave the money inside the corporation for extended periods, deferring the personal dividend tax. For a Manitoba investor who needs the $500K in cash within a year or two, personal realization is almost certainly cheaper — the $250K threshold alone saves roughly $18,000 in taxable income compared to the corporate all-at-2/3 treatment. For investors considering the lifetime capital gains exemption on a business sale, the personal route also provides access to the enhanced LCGE.

Optimal Timing: A Complete Worked Example

Here is the full sequence for our Manitoba investor to minimize tax on the $500,000 portfolio gain, assuming all dispositions occur after June 25, 2024 and the investor has no other income:

ActionTimingGains RealizedTaxable CG
Sell holdings with $250K gainsBefore Dec 31, 2025$250,000$125,000 (at 1/2)
Harvest $30K in losses (if available)Before Dec 31, 2025−$30,000−$15,000
Sell additional $30K in gains (replaces loss offset)Before Dec 31, 2025$30,000$15,000 (at 1/2)
Sell remaining $250K in gainsAfter Jan 1, 2026$250,000$125,000 (at 1/2)
Total taxable capital gains (over two years)$250,000

By splitting $500K across two years at $250K each, the entire amount stays at the 1/2 inclusion rate. The loss-harvesting step creates room to realize an additional $30K in gains within the $250K threshold, effectively “squeezing” more gains into the lower tier. Net gains in Year 1: $250K ($280K gains minus $30K losses). Net gains in Year 2: $250K. For cottage or real estate dispositions that involve larger single-asset gains, see our cottage capital gains calculator.

The LCGE Interaction: Why Business Owners Get Extra Room

The lifetime capital gains exemption (LCGE) for qualified small business corporation shares was increased to $1,250,000 effective June 25, 2024 (from $1,016,836). LCGE-eligible gains are fully exempt from tax and do not count against the $250,000 threshold. This means a Manitoba business owner selling a qualified business for $1.5 million could shelter $1.25 million under the LCGE and only $250,000 would be subject to capital gains inclusion — all within the 1/2 rate threshold.

For portfolio investors without LCGE-eligible shares, this does not apply. But if you hold shares in an active business alongside your investment portfolio, coordinate the business sale with your portfolio disposition plan to avoid exceeding the $250K threshold on the non-exempt portion.

Common Mistakes to Avoid

  • Assuming the $250K threshold is per-asset: It is per-taxpayer, per-year. Five separate $60K gains in one year total $300K, and $50K is included at 2/3.
  • Forgetting that the threshold includes all gains: Real estate, securities, and other capital property all count toward the same $250K annual limit.
  • Ignoring superficial loss rules when harvesting: If you repurchase the same or identical security within 30 days (before or after the sale), the loss is denied. Use a substitute security or wait 31 days.
  • Using the corporate route for gains under $250K: Without the threshold, corporations include every dollar at 2/3. For sub-$250K gains, personal realization is almost always cheaper.
  • Missing the December 31 trade-date cutoff: For year-end splitting, the trade must execute on or before December 31. Orders placed after market close on December 31 execute on January 2 and fall into the next tax year.

Important Disclaimer

This article provides general information based on the capital gains inclusion rate changes announced in the 2024 federal budget and enacted for dispositions on or after June 25, 2024. The $250,000 annual threshold for individuals, the 2/3 inclusion rate for corporations and trusts, and the LCGE increase to $1,250,000 are based on current legislation. Manitoba provincial tax rates reflect 2025 brackets. Corporate tax calculations assume a Manitoba-resident CCPC. Tax estimates are illustrative and depend on individual circumstances including other income, deductions, and credits. This is not tax, legal, or financial advice. Consult a qualified tax professional before making disposition timing decisions.

Frequently Asked Questions

What is the new capital gains inclusion rate in Canada after June 25, 2024?

For individuals, the first $250,000 in annual net capital gains continues to be included at 1/2 (50%). Gains above that $250,000 threshold are included at 2/3 (66.67%). For corporations and trusts, all capital gains realized on or after June 25, 2024 are included at 2/3 with no $250,000 threshold. The change applies only to gains with a disposition date on or after June 25, 2024 — gains realized before that date remain at the 1/2 rate regardless of when proceeds are received.

How does the $250,000 capital gains threshold work for individuals in 2025?

The $250,000 threshold is an annual limit that resets each tax year. It applies to your net capital gains for the year (total gains minus total capital losses). The first $250,000 of net gains is included at 1/2 (50%), and any amount above $250,000 is included at 2/3 (66.67%). This means a Manitoba investor with $500,000 in gains would include $125,000 (half of the first $250K) plus $166,667 (two-thirds of the remaining $250K) = $291,667 in taxable income, compared to $250,000 under the old uniform 1/2 rate.

Are capital gains realized before June 25, 2024 grandfathered at the 1/2 inclusion rate?

Yes. Capital gains with a disposition date before June 25, 2024 are fully grandfathered at the 1/2 (50%) inclusion rate, regardless of when you file your return or receive payment. The disposition date — not the settlement date or payment date — determines which rate applies. For publicly traded securities, the disposition date is the trade date (T), not the settlement date (T+1). If you sold shares on June 24, 2024, the entire gain is included at 1/2 even though settlement occurred after June 25.

What is the combined marginal tax rate on capital gains in Manitoba for 2025?

For a Manitoba investor in the top bracket ($355,845+ taxable income after inclusion), the combined federal-provincial marginal rate on ordinary income is 50.40%. At the 1/2 inclusion rate, the effective capital gains rate is 25.20%. At the 2/3 inclusion rate, the effective rate is 33.60%. For the more common bracket of $106,731–$165,430 taxable income, the marginal rate on ordinary income is 43.40%, giving effective capital gains rates of 21.70% (at 1/2 inclusion) and 28.93% (at 2/3 inclusion). The jump from 1/2 to 2/3 inclusion adds roughly 7–8 percentage points to your effective capital gains rate.

Should I realize capital gains inside a corporation or personally to minimize tax?

Corporations have no $250,000 threshold — all capital gains realized on or after June 25, 2024 are included at 2/3. Individuals get the first $250,000 at 1/2. For a $500,000 gain, an individual pays tax on $291,667 of taxable income, while a corporation pays tax on $333,333. However, corporate tax rates on investment income (including capital gains) are roughly 50.67% in Manitoba (refundable), and the refundable portion is returned when dividends are paid. The after-all-tax result depends on your personal dividend tax rate at extraction. For gains under $250,000, realizing personally is almost always better. For gains well above $250,000, the deferral advantage of corporate holding may offset the higher inclusion — but only if you do not need the cash immediately.

Can I split $500K in capital gains across two tax years to use the $250K threshold twice?

Yes, and this is one of the most effective strategies available. If you have unrealized gains of $500,000, you can realize $250,000 before December 31 of one year (using the full 1/2 inclusion rate on that amount) and realize the remaining $250,000 in January of the next year (again using the full 1/2 rate). This means the entire $500,000 is included at 1/2, saving you approximately $20,833 in taxable income compared to realizing the full amount in a single year. At a 43.40% marginal rate in Manitoba, that translates to roughly $9,042 in tax savings.