A trust can own shares in an acquisition vehicle as cleanly as any individual can. What a trust cannot do is hold appreciated shares indefinitely without a tax consequence the Act builds in on a fixed clock.
Key takeaways
A family trust shows up in an acquisition structure for reasons that have nothing to do with the deal itself — income splitting among family members, keeping future appreciation out of one individual's estate, or simply continuing a structure a family already uses for its other holdings. The trust can hold shares in the acquisition vehicle exactly as cleanly as an individual shareholder can. The complication isn't governance. It's a tax mechanic built into every Canadian trust that most acquisition planning has to design around from day one.
Where a trust is the sole beneficial owner of an acquisition vehicle's shares, CBCA s. 146(2) deems “a written declaration of a shareholder who is the beneficial owner of all the issued shares of a corporation… that restricts in whole or in part the powers of the directors to manage… the business and affairs of the corporation” to be a unanimous shareholder agreement. Practically, that means the trustees can put the same restrictions on the acquisition vehicle's board that a group of individual shareholders would negotiate into a s. 146 agreement — see structuring a purchase by two unrelated investors for how that agreement typically gets built where a trust is one investor among several rather than the sole owner. Where beneficial interests in the trust later change hands — a beneficiary's interest is assigned, or the trust distributes shares out to a beneficiary directly — s. 146(3)'s deemed-party rule and s. 146(4)'s 30-day rescission right for an unnotified transferee apply just as they would to any other share transfer.
ITA s. 104(4) deems every trust to have disposed of each property it holds — other than specifically exempt property — at the end of “the day that is 21 years after” the later of January 1, 1972 and the day the trust was created, and again every 21 years after that. If the trust's shares in the acquisition vehicle have appreciated by the time that day arrives, the trust is deemed to realize that gain, in full, whether or not anything was actually sold. There is no partial or gradual version of this rule — it applies on the day, to the whole of the property's accrued gain, regardless of the trust's own cash position to fund any resulting tax.
That single mechanic is why almost no acquisition structure that uses a trust plans for the trust to hold appreciated shares indefinitely. Section 104(6) gives the standard way around it: a trust can deduct, in computing its own income, amounts “that became payable in the year to, or that was included… in computing the income of, a beneficiary” — which shifts income (and capital gains realized on an actual disposition, subject to the trust's own terms and applicable flow-through rules) out of the trust and onto the beneficiary directly, taxed at the beneficiary's own rate rather than accumulating inside the trust. Well-advised trust structures distribute appreciated property, or the proceeds of its disposition, to beneficiaries well before the 21-year deemed-disposition date arrives, precisely so the gain is realized and taxed on the family's own terms rather than forced by the calendar.
Why a trust doesn't just hold the shares forever
The clock doesn't pause for a private company's shares. S. 104(4) applies to every property the trust holds, capital property included — illiquid, privately held acquisition-vehicle shares are not exempt property just because there's no ready market to fund the resulting tax.
The deemed disposition is at fair market value, not cost. A trust holding shares that have appreciated substantially by year 21 faces a real, immediate tax consequence on the full accrued gain, whether or not any shares actually change hands.
Distributing out under s. 104(6) is the standard planning response — not a workaround, but the ordinary way a family trust holding structure is expected to operate over its life.
A trust isn't only a vehicle for a founder's family holding structure — it can also be the investing entity in a private placement. National Instrument 45-106's accredited-investor definition includes a specific family-trust category at paragraph (w): a trust established by an accredited investor, where a majority of the trustees are themselves accredited investors and every beneficiary is the settlor's spouse, former spouse, parent, grandparent, sibling, child or grandchild (or those of the spouse or former spouse), qualifies as an accredited investor in its own right. That matters directly where a trust is participating alongside other investors in funding an acquisition vehicle — see using a holding company above the acquisition vehicle for how that capital typically flows into the structure once it's committed.
A founder sets up a discretionary family trust that holds shares in the holding company above his operating business's acquisition vehicle, with his spouse and adult children as beneficiaries. The trust was created in 2019, putting its first s. 104(4) deemed-disposition date in 2040. As the operating business grows and the shares' value rises well above the trust's original cost, the trustees begin distributing shares out to the adult-child beneficiaries directly in the years leading up to that date, each distribution realizing a portion of the accrued gain in the receiving beneficiary's own hands under s. 104(6) rather than letting it accumulate for a single, much larger deemed disposition inside the trust. The trust's own s. 146(2) declaration, in force since the acquisition vehicle was formed, continues to restrict the board's powers exactly as it did on day one — the governance layer doesn't change as beneficial ownership shifts from the trust to the individual family members over time.
No — it means the trust is deemed to have disposed of its property at fair market value for tax purposes on that date, whether or not an actual sale happens. The trust can keep holding the shares afterward, but the deemed gain (or loss) on the 21-year date is real and has to be reported and, if a gain, funded.
That's the standard planning approach — ITA s. 104(6) lets the trust deduct amounts paid or made payable to a beneficiary in the year, shifting the income (and, where the trust actually distributes capital property, potentially the gain) onto the beneficiary rather than letting it accumulate to a single deemed disposition inside the trust. The specific tax treatment of an in-kind distribution of shares depends on further rules this article does not cover — confirm the mechanics with a tax advisor before relying on the general description.
Yes, in specific circumstances. NI 45-106 para. (w) recognizes a family trust settled by an accredited investor, with a majority of accredited-investor trustees and beneficiaries limited to the settlor's specified family members, as an accredited investor in its own right — distinct from a trust simply holding shares it already owns in an acquisition vehicle.
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