A widely held fixed investment trust, or WHFIT, is a pass-through investment vehicle that holds a static pool of assets and reports every dollar of income, every expense, and every gain directly to its investors, who then pay the tax on their own returns. The trust itself owes no federal income tax. For the investor, that means tax reporting is noticeably more detailed than it would be for a mutual fund or an ordinary stock, and in some years you can end up paying tax on income you never saw as cash.
The Two Features Behind the Name
Under Treasury Regulation §1.671-5, a trust qualifies as a WHFIT only if it is both “fixed” and “widely held.”1eCFR. 26 CFR 1.671-5 – Reporting for Widely Held Fixed Investment Trusts
Fixed means the trustee has almost no discretion. Once the portfolio is set, the trustee cannot trade in and out, swap securities, or rebalance. The assets sit until they mature, are called, or the trust reaches its scheduled termination date. If the trustee did have the power to vary the investments, the structure could be reclassified as a business entity taxed as a corporation under Treasury Regulation §301.7701-4(c) rather than treated as a pass-through grantor trust.2Internal Revenue Service. Notice 2010-4 – WHFIT Transition Guidance
Widely held is satisfied as soon as at least one interest in the trust is held through a middleman: a custodian, a broker holding shares in street name, or a similar nominee.1eCFR. 26 CFR 1.671-5 – Reporting for Widely Held Fixed Investment Trusts Because interests move through brokerages, the trustee often has no direct line to the actual beneficial owners. That gap is what the specialized WHFIT reporting rules exist to bridge.
What’s Usually Inside One
WHFITs fall into two regulatory buckets, and your reporting experience depends on which bucket your holding sits in.
Widely Held Mortgage Trusts
WHMTs hold pools of mortgage-backed pass-through securities, typically pools from Fannie Mae, Freddie Mac, or Ginnie Mae, along with trusts invested in regular-interest REMICs.3Federal Housing Finance Agency. About Fannie Mae and Freddie Mac These trusts pass through interest income and a steady stream of principal payments as mortgages in the underlying pool amortize or refinance. Each principal payment has to be reflected as a downward adjustment to your cost basis, which is where most of the tedium of WHMT reporting comes from.
Non-Mortgage WHFITs
NMWHFITs cover everything else: unit investment trusts holding a basket of stocks or bonds, commodity trusts such as the SPDR Gold Trust (GLD), and similar grantor-trust structures. GLD, for example, is treated as a grantor trust whose income and expenses flow directly to its shareholders. The underlying assets may be equities, debt, commodities, or royalty interests. The mortgage-specific principal-payment headaches don’t apply, but the pass-through reporting of income, expenses, and dispositions still does.
How the Tax Treatment Works
A WHFIT is a grantor trust under Section 671 of the Internal Revenue Code. When a person is treated as the owner of a trust, all items of income, deductions, and credits attributable to the trust are included on that person’s own return.4Office of the Law Revision Counsel. 26 USC 671 – Trust Income, Deductions, and Credits Attributable to Grantors and Others as Substantial Owners In practice, the trust is invisible for tax purposes.
Each investor, formally a Trust Interest Holder, or TIH, owns a proportionate slice of every asset inside the trust and must report their share of everything the trust earns, spends, or sells. The trust files no income tax return and pays no tax. Interest, dividends, and capital gains from asset sales inside the trust all land on your return. Expenses are allocated to you too, though whether you can actually use them is another matter.
What Arrives at Tax Time
Each year a WHFIT investor receives two sets of documents: Forms 1099, and a supplemental written tax information statement.
The Forms 1099 may include Form 1099-INT for interest, Form 1099-DIV for dividends, Form 1099-B for sale proceeds, and Form 1099-OID for original issue discount when the OID allocated to you exceeds $10 for the year.5Internal Revenue Service. Instructions for Forms 1099-INT and 1099-OID
The supplemental statement is where the detail lives. It breaks down every item of income, expense, and credit allocated to you, including original issue discount calculations, non-pro-rata principal payments, and any asset sales inside the trust. Because of the allocation work involved, this statement is not due to TIHs until March 15, later than the standard 1099 deadline.5Internal Revenue Service. Instructions for Forms 1099-INT and 1099-OID That late arrival is a common reason WHFIT investors file for an extension.
Most retail investors never speak with the trustee. The brokerage holding your units receives the trustee’s data and uses it to generate the consolidated 1099 and supplemental statement that shows up in your account. Keep both documents. If a trustee or broker gets the numbers wrong, your 1099 is wrong, and sorting that out later falls on you.
The Gross-Up Problem and Phantom Income
WHFIT reporting uses a gross-up method. Trust expenses such as trustee fees and administrative costs are not netted against income before you see your share. The trustee reports your full gross income, then separately reports your allocated share of expenses. You report the larger income figure and claim the expenses as a separate deduction, if a deduction is available at all.
Historically, these allocated trust expenses were miscellaneous itemized deductions, deductible only to the extent they exceeded 2% of adjusted gross income.6Office of the Law Revision Counsel. 26 USC 67 – 2-Percent Floor on Miscellaneous Itemized Deductions A modest WHFIT position rarely cleared that floor.
The Tax Cuts and Jobs Act then eliminated miscellaneous itemized deductions outright starting in 2018. What began as a suspension through 2025 under Section 67(g) has been made permanent, and current law at Section 67(h) provides that no miscellaneous itemized deduction is allowed for any taxable year beginning after December 31, 2017, with no sunset date.6Office of the Law Revision Counsel. 26 USC 67 – 2-Percent Floor on Miscellaneous Itemized Deductions
The result is uncomfortable. You’re taxed on the trust’s full gross income but cannot deduct your share of its administrative expenses. The taxable amount on your 1099 can exceed the cash you actually received. For investors with meaningful WHFIT holdings, that phantom income is a recurring feature of the structure, and only Congress can change it.
Tracking Cost Basis
When the trust sells an underlying asset, you report your proportionate share of the capital gain or loss on Schedule D of Form 1040. The supplemental statement provides the sale date, gross proceeds, and the percentage of the asset sold.
For WHMT investors, the bigger ongoing task is tracking basis against the stream of principal payments. Each payment reduces your basis in the units. Skip the adjustments and you’ll overstate basis later, which means understating your capital gain and underreporting tax.
What Happens When the Trust Ends
Every WHFIT has a specified termination date; that fixed life is part of what makes it “fixed” to begin with. When the trust winds down, the remaining assets are sold and the proceeds distributed to unitholders. For tax purposes, the final distribution is treated as a sale of your proportionate share of the underlying assets, and you recognize gain or loss based on the difference between the proceeds and your adjusted basis.
For long-held WHMT units, adjusted basis can be far lower than what you originally paid, because every principal payment along the way reduced it. Take an investor who paid $10,000 for units and received $3,000 in principal payments over the life of the trust. The adjusted basis is $7,000. If the trust liquidates and returns $7,500, the result is a $500 capital gain, not the $2,500 loss the investor might have expected by comparing the distribution to the original purchase price. Investors who haven’t kept their basis records tend to discover this at exactly the wrong moment.